mirror of
https://github.com/torvalds/linux
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17635 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
74738c556d |
USB fixes for 5.14-rc3
Here are some USB fixes for 5.14-rc3 to resolve a bunch of tiny problems
reported. Included in here are:
- dtsi revert to resolve a problem which broke android systems
that relied on the dts name to find the USB controller device.
People are still working out the "real" solution for this, but
for now the revert is needed.
- core USB fix for pipe calculation found by syzbot
- typec fixes
- gadget driver fixes
- new usb-serial device ids
- new USB quirks
- xhci fixes
- usb hub fixes for power management issues reported
- other tiny fixes
All have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some USB fixes for 5.14-rc3 to resolve a bunch of tiny
problems reported. Included in here are:
- dtsi revert to resolve a problem which broke android systems that
relied on the dts name to find the USB controller device.
People are still working out the "real" solution for this, but for
now the revert is needed.
- core USB fix for pipe calculation found by syzbot
- typec fixes
- gadget driver fixes
- new usb-serial device ids
- new USB quirks
- xhci fixes
- usb hub fixes for power management issues reported
- other tiny fixes
All have been in linux-next with no reported problems"
* tag 'usb-5.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (27 commits)
USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
Revert "USB: quirks: ignore remote wake-up on Fibocom L850-GL LTE modem"
usb: cdc-wdm: fix build error when CONFIG_WWAN_CORE is not set
Revert "arm64: dts: qcom: Harmonize DWC USB3 DT nodes name"
usb: dwc2: gadget: Fix sending zero length packet in DDMA mode.
usb: dwc2: Skip clock gating on Samsung SoCs
usb: renesas_usbhs: Fix superfluous irqs happen after usb_pkt_pop()
usb: dwc2: gadget: Fix GOUTNAK flow for Slave mode.
usb: phy: Fix page fault from usb_phy_uevent
usb: xhci: avoid renesas_usb_fw.mem when it's unusable
usb: gadget: u_serial: remove WARN_ON on null port
usb: dwc3: avoid NULL access of usb_gadget_driver
usb: max-3421: Prevent corruption of freed memory
usb: gadget: Fix Unbalanced pm_runtime_enable in tegra_xudc_probe
MAINTAINERS: repair reference in USB IP DRIVER FOR HISILICON KIRIN 970
usb: typec: stusb160x: Don't block probing of consumer of "connector" nodes
usb: typec: stusb160x: register role switch before interrupt registration
USB: usb-storage: Add LaCie Rugged USB3-FW to IGNORE_UAS
usb: ehci: Prevent missed ehci interrupts with edge-triggered MSI
usb: hub: Disable USB 3 device initiated lpm if exit latency is too high
...
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||
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Linus Torvalds
|
9f42f674a8 |
arm64 fixes for -rc3
- Fix hang when issuing SMC on SVE-capable system due to clobbered LR
- Fix boot failure due to missing block mappings with folded page-table
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A pair of arm64 fixes for -rc3. The straightforward one is a fix to
our firmware calling stub, which accidentally started corrupting the
link register on machines with SVE. Since these machines don't really
exist yet, it wasn't spotted in -next.
The other fix is a revert-and-a-bit of a patch originally intended to
allow PTE-level huge mappings for the VMAP area on 32-bit PPC 8xx. A
side-effect of this change was that our pXd_set_huge() implementations
could be replaced with generic dummy functions depending on the levels
of page-table being used, which in turn broke the boot if we fail to
create the linear mapping as a result of using these functions to
operate on the pgd. Huge thanks to Michael Ellerman for modifying the
revert so as not to regress PPC 8xx in terms of functionality.
Anyway, that's the background and it's also available in the commit
message along with Link tags pointing at all of the fun.
Summary:
- Fix hang when issuing SMC on SVE-capable system due to
clobbered LR
- Fix boot failure due to missing block mappings with folded
page-table"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
Revert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge"
arm64: smccc: Save lr before calling __arm_smccc_sve_check()
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Linus Torvalds
|
4784dc99c7 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Fix type of bind option flag in af_xdp, from Baruch Siach.
2) Fix use after free in bpf_xdp_link_release(), from Xuan Zhao.
3) PM refcnt imbakance in r8152, from Takashi Iwai.
4) Sign extension ug in liquidio, from Colin Ian King.
5) Mising range check in s390 bpf jit, from Colin Ian King.
6) Uninit value in caif_seqpkt_sendmsg(), from Ziyong Xuan.
7) Fix skb page recycling race, from Ilias Apalodimas.
8) Fix memory leak in tcindex_partial_destroy_work, from Pave Skripkin.
9) netrom timer sk refcnt issues, from Nguyen Dinh Phi.
10) Fix data races aroun tcp's tfo_active_disable_stamp, from Eric
Dumazet.
11) act_skbmod should only operate on ethernet packets, from Peilin Ye.
12) Fix slab out-of-bpunds in fib6_nh_flush_exceptions(),, from Psolo
Abeni.
13) Fix sparx5 dependencies, from Yajun Deng.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (74 commits)
dpaa2-switch: seed the buffer pool after allocating the swp
net: sched: cls_api: Fix the the wrong parameter
net: sparx5: fix unmet dependencies warning
net: dsa: tag_ksz: dont let the hardware process the layer 4 checksum
net: dsa: ensure linearized SKBs in case of tail taggers
ravb: Remove extra TAB
ravb: Fix a typo in comment
net: dsa: sja1105: make VID 4095 a bridge VLAN too
tcp: disable TFO blackhole logic by default
sctp: do not update transport pathmtu if SPP_PMTUD_ENABLE is not set
net: ixp46x: fix ptp build failure
ibmvnic: Remove the proper scrq flush
selftests: net: add ESP-in-UDP PMTU test
udp: check encap socket in __udp_lib_err
sctp: update active_key for asoc when old key is being replaced
r8169: Avoid duplicate sysfs entry creation error
ixgbe: Fix packet corruption due to missing DMA sync
Revert "qed: fix possible unpaired spin_{un}lock_bh in _qed_mcp_cmd_and_union()"
ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions
fsl/fman: Add fibre support
...
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||
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Jonathan Marek
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d8a719059b |
Revert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge"
This reverts commit |
||
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Jean-Philippe Brucker
|
a7c3acca53 |
arm64: smccc: Save lr before calling __arm_smccc_sve_check()
Commit |
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Greg Kroah-Hartman
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1f958f3dff |
Revert "arm64: dts: qcom: Harmonize DWC USB3 DT nodes name"
This reverts commit
|
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Joakim Zhang
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77e5253dea |
arm64: dts: imx8mp: change interrupt order per dt-binding
This patch changs interrupt order which found by dtbs_check. $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml arch/arm64/boot/dts/freescale/imx8mp-evk.dt.yaml: ethernet@30bf0000: interrupt-names:0: 'macirq' was expected arch/arm64/boot/dts/freescale/imx8mp-evk.dt.yaml: ethernet@30bf0000: interrupt-names:1: 'eth_wake_irq' was expected According to Documentation/devicetree/bindings/net/snps,dwmac.yaml, we should list interrupt in it's order. Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
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Linus Torvalds
|
1d67c8d993 |
ARM: SoC fixes for v5.14
Here are the patches for this week that came as the fallout of
the merge window:
- Two fixes for the NVidia memory controller driver
- multiple defconfig files get patched to turn CONFIG_FB back on
after that is no longer selected by CONFIG_DRM
- ffa and scmpi firmware drivers fixes, mostly addressing compiler
and documentation warnings
- Platform specific fixes for device tree files on ASpeed,
Renesas and NVidia SoC, mostly for recent regressions.
- A workaround for a regression on the USB PHY with devlink when
the usb-nop-xceiv driver is not available until the rootfs is
mounted.
- Device tree compiler warnings in Arm Versatile-AB
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'soc-fixes-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Here are the patches for this week that came as the fallout of the
merge window:
- Two fixes for the NVidia memory controller driver
- multiple defconfig files get patched to turn CONFIG_FB back on
after that is no longer selected by CONFIG_DRM
- ffa and scmpi firmware drivers fixes, mostly addressing compiler
and documentation warnings
- Platform specific fixes for device tree files on ASpeed, Renesas
and NVidia SoC, mostly for recent regressions.
- A workaround for a regression on the USB PHY with devlink when the
usb-nop-xceiv driver is not available until the rootfs is mounted.
- Device tree compiler warnings in Arm Versatile-AB"
* tag 'soc-fixes-5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
ARM: dts: versatile: Fix up interrupt controller node names
ARM: multi_v7_defconfig: Make NOP_USB_XCEIV driver built-in
ARM: configs: Update u8500_defconfig
ARM: configs: Update Vexpress defconfig
ARM: configs: Update Versatile defconfig
ARM: configs: Update RealView defconfig
ARM: configs: Update Integrator defconfig
arm: Typo s/PCI_IXP4XX_LEGACY/IXP4XX_PCI_LEGACY/
firmware: arm_scmi: Fix range check for the maximum number of pending messages
firmware: arm_scmi: Avoid padding in sensor message structure
firmware: arm_scmi: Fix kernel doc warnings about return values
firmware: arm_scpi: Fix kernel doc warnings
firmware: arm_scmi: Fix kernel doc warnings
ARM: shmobile: defconfig: Restore graphical consoles
firmware: arm_ffa: Fix a possible ffa_linux_errmap buffer overflow
firmware: arm_ffa: Fix the comment style
firmware: arm_ffa: Simplify probe function
firmware: arm_ffa: Ensure drivers provide a probe function
firmware: arm_scmi: Fix possible scmi_linux_errmap buffer overflow
firmware: arm_scmi: Ensure drivers provide a probe function
...
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||
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Arnd Bergmann
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93346fb3f6 |
arm64: tegra: Device tree fixes for v5.14-rc1
This contains two late fixes for Tegra194 device tree files to restore USB and audio functionality after enabling system-wide IOMMU support. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmDoY6MTHHRyZWRpbmdA bnZpZGlhLmNvbQAKCRDdI6zXfz6zoWe9EACuCgg/auB6eusx4sjxg73dPAfS6TgG 0y5uEXvPxD8Ngny43cP1mlN4AT9zN0j/WkSU4FZgazXu5uDfjiLZS7LUP3uqdb9j 6t1lRy1T3R1XOaSSprLGw/GUDdMcl+Q3MTwIkJ5s5OrNwjizq7g4YsZZL1xLm1Yw v/jToo8viiHb+q8S0+7rLvC/wyClRVaR5by9jviuQay8v+I6/hQrgkg8IOI3g8t5 gQZpKOgJ23YwjDVpfWxGD0v4NFzfvxgdfZltvGxl3jjvNVLhSBTF06ycVrXtNDUE HzMBBCx8F8RCn7iRb04GX1kVaTnJ8qhvWp9fL+z6M/CQ9T6FL+ZgmbjlzUfGXVPW 0RlN0yQSyUGO6lfRYk/2wpAYfCpXhrzeB66CcEOsj225s/YtOlDl2xphJxVbOlr2 AxxTAvZrWE/cqF5x4hRsEck/5mM+H6fSg8Vskh7Sy2LtvVtW9TxdSWBiNHxtCZjm g8uqhBdWlGUgbrw8fACM4HtdCtakPaEycyqeIdsM+YnKX6kiGEB5PyiLqn3Ok5b4 acIJ6pqylnRX4vU0HI9guTLcwny58oova0Q+AxNDvXTeeYB3PlNF2AeQpEQSa4iC gXhlEnH2bIryyFBVjGBNQdM2ua4BrJG6+uuWWn/NaBRBrtxLLUkSOKq0+J7Wi0la xEKPI4ta5/QIQQ== =Tf9G -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmDx8qQACgkQmmx57+YA GNksVA/5AWQ3YeujrzClQHZ9LcWrgK2E8smm0MMS3y9bHUWWx4pXzmm8Z6iUQC61 XL/alTK1Eum+G+hQv12YgbwXc0BAta4clhHc0kOBTEsjUecZy6hk/NqrCC2NQ8Jo ZUWeHWvbU6+3wlQdb4gFLeMgNRA/vUiHCXdHFC1buh7vUVIxL359QAv6B3AKK5Qk VFAggSJe+zQEXSKAVlpZa37OPBq/mnkIcjK5ckUJjLA79kw+HMcA6/W5m3P6yJgm A9YwGgDj360YbEk8R6BG7zDnqYRLk8Fa/9PX54u+n6bdZxTcKEFXQynkTplrstab jbs3ZLpHUDkSye6Sq3e2W+0nInKOkm//3XUH0ew5wzmAYB3QVDF7cdfs0qxl1wES kDEXhS4Uy39vImMoq0BeDbH53IAWywtI0aduu7+pphiYDRzoxNkbGaHawMxRcNgp 9Q6qwF+RG9SS0QDnucdRS108S9pjxcLr663blF0njJuZWfR4qNX5uG72fq99i/5n EIN4VQPCHMvojGCXH6wFhnhEaMjeLVohika49QX/O4Mwu40ma8F4b57xwGgOPyxP 5H8yX0evulfGeZ/d9o8hR2Ztexp4wPnrN6rxUCZo2VKoCSJHBmm7uclsrFE5qxgX eS6xU8PGSg8KBiq3Q4tOS5wjRLGKZjtn0E2EXwcmM2MfPP855+Q= =aeU2 -----END PGP SIGNATURE----- Merge tag 'tegra-for-5.14-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes arm64: tegra: Device tree fixes for v5.14-rc1 This contains two late fixes for Tegra194 device tree files to restore USB and audio functionality after enabling system-wide IOMMU support. * tag 'tegra-for-5.14-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: arm64: tegra: Enable SMMU support for USB on Tegra194 arm64: tegra: Enable audio IOMMU support on Tegra194 Link: https://lore.kernel.org/r/20210709150220.2543875-1-thierry.reding@gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Mark Rutland
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e6f85cbeb2 |
arm64: entry: fix KCOV suppression
We suppress KCOV for entry.o rather than entry-common.o. As entry.o is
built from entry.S, this is pointless, and permits instrumentation of
entry-common.o, which is built from entry-common.c.
Fix the Makefile to suppress KCOV for entry-common.o, as we had intended
to begin with. I've verified with objdump that this is working as
expected.
Fixes:
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Mark Rutland
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31a7f0f6c8 |
arm64: entry: add missing noinstr
We intend that all the early exception handling code is marked as
`noinstr`, but we forgot this for __el0_error_handler_common(), which is
called before we have completed entry from user mode. If it were
instrumented, we could run into problems with RCU, lockdep, etc.
Mark it as `noinstr` to prevent this.
The few other functions in entry-common.c which do not have `noinstr` are
called once we've completed entry, and are safe to instrument.
Fixes:
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Mark Rutland
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59f44069e0 |
arm64: mte: fix restoration of GCR_EL1 from suspend
Since commit: |
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Robin Murphy
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295cf15623 |
arm64: Avoid premature usercopy failure
Al reminds us that the usercopy API must only return complete failure if absolutely nothing could be copied. Currently, if userspace does something silly like giving us an unaligned pointer to Device memory, or a size which overruns MTE tag bounds, we may fail to honour that requirement when faulting on a multi-byte access even though a smaller access could have succeeded. Add a mitigation to the fixup routines to fall back to a single-byte copy if we faulted on a larger access before anything has been written to the destination, to guarantee making *some* forward progress. We needn't be too concerned about the overall performance since this should only occur when callers are doing something a bit dodgy in the first place. Particularly broken userspace might still be able to trick generic_perform_write() into an infinite loop by targeting write() at an mmap() of some read-only device register where the fault-in load succeeds but any store synchronously aborts such that copy_to_user() is genuinely unable to make progress, but, well, don't do that... CC: stable@vger.kernel.org Reported-by: Chen Huang <chenhuang5@huawei.com> Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/dc03d5c675731a1f24a62417dba5429ad744234e.1626098433.git.robin.murphy@arm.com Signed-off-by: Will Deacon <will@kernel.org> |
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Nathan Chancellor
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8cdd23c23c |
arm64: Restrict ARM64_BTI_KERNEL to clang 12.0.0 and newer
Commit |
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Will Deacon
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c1132702c7 |
Revert "arm64: cache: Lower ARCH_DMA_MINALIGN to 64 (L1_CACHE_BYTES)"
This reverts commit
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Carlos Bilbao
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e62e074814 |
arm64: Add missing header <asm/smp.h> in two files
Add missing header <asm/smp.h> on include/asm/smp_plat.h, as it calls function cpu_logical_map(). Also include it on kernel/cpufeature.c since it has calls to functions cpu_panic_kernel() and cpu_die_early(). Both files call functions defined on this header, make the header dependencies less fragile. Signed-off-by: Carlos Bilbao <bilbao@vt.edu> Acked-by: Mark Rutland <mark.rutland@arm.com> Link: https://lore.kernel.org/r/4325940.LvFx2qVVIh@iron-maiden Signed-off-by: Will Deacon <will@kernel.org> |
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Mark Rutland
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5f34b1eb2f |
arm64: fix strlen() with CONFIG_KASAN_HW_TAGS
When the kernel is built with CONFIG_KASAN_HW_TAGS and the CPU supports
MTE, memory accesses are checked at 16-byte granularity, and
out-of-bounds accesses can result in tag check faults. Our current
implementation of strlen() makes unaligned 16-byte accesses (within a
naturally aligned 4096-byte window), and can trigger tag check faults.
This can be seen at boot time, e.g.
| BUG: KASAN: invalid-access in __pi_strlen+0x14/0x150
| Read at addr f4ff0000c0028300 by task swapper/0/0
| Pointer tag: [f4], memory tag: [fe]
|
| CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-09550-g03c2813535a2-dirty #20
| Hardware name: linux,dummy-virt (DT)
| Call trace:
| dump_backtrace+0x0/0x1b0
| show_stack+0x1c/0x30
| dump_stack_lvl+0x68/0x84
| print_address_description+0x7c/0x2b4
| kasan_report+0x138/0x38c
| __do_kernel_fault+0x190/0x1c4
| do_tag_check_fault+0x78/0x90
| do_mem_abort+0x44/0xb4
| el1_abort+0x40/0x60
| el1h_64_sync_handler+0xb0/0xd0
| el1h_64_sync+0x78/0x7c
| __pi_strlen+0x14/0x150
| __register_sysctl_table+0x7c4/0x890
| register_leaf_sysctl_tables+0x1a4/0x210
| register_leaf_sysctl_tables+0xc8/0x210
| __register_sysctl_paths+0x22c/0x290
| register_sysctl_table+0x2c/0x40
| sysctl_init+0x20/0x30
| proc_sys_init+0x3c/0x48
| proc_root_init+0x80/0x9c
| start_kernel+0x640/0x69c
| __primary_switched+0xc0/0xc8
To fix this, we can reduce the (strlen-internal) MIN_PAGE_SIZE to 16
bytes when CONFIG_KASAN_HW_TAGS is selected. This will cause strlen() to
align the base pointer downwards to a 16-byte boundary, and to discard
the additional prefix bytes without counting them. All subsequent
accesses will be 16-byte aligned 16-byte LDPs. While the comments say
the body of the loop will access 32 bytes, this is performed as two
16-byte acceses, with the second made only if the first did not
encounter a NUL byte, so the body of the loop will not over-read across
a 16-byte boundary.
No other string routines are affected. The other str*() routines will
not make any access which straddles a 16-byte boundary, and the mem*()
routines will only make acceses which straddle a 16-byte boundary when
which is entirely within the bounds of the relevant base and size
arguments.
Fixes:
|
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Biju Das
|
c3e67ad6f5 |
dt-bindings: clock: r9a07g044-cpg: Update clock/reset definitions
Update clock and reset definitions as per RZ/G2L_clock_list_r02_02.xlsx
and RZ/G2L HW(Rev.0.50) manual.
Update {GIC,IA55,SCIF} clock and reset entries in the CPG driver, and
separate reset from module clocks in order to handle them efficiently.
Update the SCIF0 clock and reset index in the SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210626081344.5783-6-biju.das.jz@bp.renesas.com
Link: https://lore.kernel.org/r/20210626081344.5783-7-biju.das.jz@bp.renesas.com
Link: https://lore.kernel.org/r/20210626081344.5783-8-biju.das.jz@bp.renesas.com
[geert: Squashed 3 commits]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
|
||
|
Linus Torvalds
|
81361b837a |
Kbuild updates for v5.14
- Increase the -falign-functions alignment for the debug option.
- Remove ugly libelf checks from the top Makefile.
- Make the silent build (-s) more silent.
- Re-compile the kernel if KBUILD_BUILD_TIMESTAMP is specified.
- Various script cleanups
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Merge tag 'kbuild-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Increase the -falign-functions alignment for the debug option.
- Remove ugly libelf checks from the top Makefile.
- Make the silent build (-s) more silent.
- Re-compile the kernel if KBUILD_BUILD_TIMESTAMP is specified.
- Various script cleanups
* tag 'kbuild-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (27 commits)
scripts: add generic syscallnr.sh
scripts: check duplicated syscall number in syscall table
sparc: syscalls: use pattern rules to generate syscall headers
parisc: syscalls: use pattern rules to generate syscall headers
nds32: add arch/nds32/boot/.gitignore
kbuild: mkcompile_h: consider timestamp if KBUILD_BUILD_TIMESTAMP is set
kbuild: modpost: Explicitly warn about unprototyped symbols
kbuild: remove trailing slashes from $(KBUILD_EXTMOD)
kconfig.h: explain IS_MODULE(), IS_ENABLED()
kconfig: constify long_opts
scripts/setlocalversion: simplify the short version part
scripts/setlocalversion: factor out 12-chars hash construction
scripts/setlocalversion: add more comments to -dirty flag detection
scripts/setlocalversion: remove workaround for old make-kpkg
scripts/setlocalversion: remove mercurial, svn and git-svn supports
kbuild: clean up ${quiet} checks in shell scripts
kbuild: sink stdout from cmd for silent build
init: use $(call cmd,) for generating include/generated/compile.h
kbuild: merge scripts/mkmakefile to top Makefile
sh: move core-y in arch/sh/Makefile to arch/sh/Kbuild
...
|
||
|
Linus Torvalds
|
af4cf6a568 |
ARM: Defconfig changes for 5.14
A set of defconfig changes, we keep them in a separate branch to avoid conflicts between topics by separating them out. These changes are almost exclusively turning on new drivers for various platforms, or turning on modules for new drivers for the shared generic configs. -----BEGIN PGP SIGNATURE----- iQJDBAABCgAtFiEElf+HevZ4QCAJmMQ+jBrnPN6EHHcFAmDo3KoPHG9sb2ZAbGl4 b20ubmV0AAoJEIwa5zzehBx3L0IQAJEH7TmAZNlFuF3+wGBMgzzjN6grQ2goFLGZ 6vBLgP9os7hGR5Nj658z4g5JNUei/xs6od74KbbGq6Zj+B0Rk0DOa7bIfBTt5wxx sP+pJEYkZgkP0zoH5NQl7UBNfBFkojl1mBALgG60TUc2KHOgFlwBopljNdanvY7C o2xsQN8orZ1c6Ul2RqN5/rnwdyau9uTJ38WHjc0iR8z5vpZWWg29jhu2PXCFepBH rI6802UO7itJpH746tGnT4wVB3h6rr3k8PkouJxJE8NM1ei+B8ghV++qFVOZj98X jmf3SVonZI5xPtZypnK7h0YYxFb512DZCtNn0DaY74bEzswBpLxgg7M5eZzS1MFu LosJ+x00hzS8fFj/5JII9in2aNbfHRs1wMDXkGg1CXlv+viif42NCXR9PjtijzFt TzFPpYc9FoGYS5UZqdjBCOrUOe6aca8h8QyJD54Ry5e5uyH6Jm0C4Mu75UktnijO rj7v0/Mi6lSBoHbxIfGnQz/YAXyH1T7rRBJR1gSrFXi6TJJnMd8J81e6Ep+qdd/N UATrJyheCnGqtlNeqEYCLSeZWygDJ6O1vXgP2VXJqPEqTJr5aC2Tnq+aOVP/RnJ6 yXWVA9INgqP5ozN1mVqwvzymcMPRPGx/+uwLI+BtLEPngRRmXLh8PQ9s4qcbpXtm 6enhFGWv =8yuO -----END PGP SIGNATURE----- Merge tag 'arm-defconfig-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM defconfig updates from "Olof Johansson "A set of defconfig changes, we keep them in a separate branch to avoid conflicts between topics by separating them out. These changes are almost exclusively turning on new drivers for various platforms, or turning on modules for new drivers for the shared generic configs" * tag 'arm-defconfig-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (22 commits) arm64: defconfig: Enable renesas usb xhci pci host controller arm64: defconfig: Visconti: Enable GPIO arm64: defconfig: Visconti: Enable PWM arm64: defconfig: add drivers needed for DragonBoard410c ARM: config: aspeed: Add DEBUG_FS and EXT4 ARM: ixp4xx_defconfig: add MTD_PHYSMAP ARM: ixp4xx_defconfig: add CONFIG_SERIAL_OF_PLATFORM ARM: imx_v6_v7_defconfig: Select the Wifi ath10k sdio driver ARM: exynos_defconfig: restore framebuffer support arm64: defconfig: Enable ARCH_R9A07G044 ARM: configs: at91_dt_defconfig: configs for sam9x60 arm64: defconfig: Enable Exynos UFS driver arm64: defconfig: qcom: enable interconnect for SM8350 ARM: tegra_defconfig: Enable CONFIG_DEVFREQ_THERMAL arm64: defconfig: Enable usb2_clksel for R-Car Gen3 and RZ/G2 arm64: defconfig: enable Layerscape EDAC driver ARM: omap2plus_defconfig: Add LP5523 LED driver ARM: omap2plus_defconfig: Add WL1251 and WEXT modules ARM: shmobile: defconfig: Refresh for v5.13-rc1 arm64: defconfig: Allow Mediatek boards to boot from the mmc ... |
||
|
Linus Torvalds
|
e083bbd604 |
ARM: Devicetree material for 5.14
Like always, the DT branch is sizable. There are numerous additions and
fixes to existing platforms, but also a handful of new ones introduced.
Less than some other releases, but there's been significant work on
cleanups, refactorings and device enabling on existing platforms.
A non-exhaustive list of new material:
- Refactoring of BCM2711 dtsi structure to add support for the Raspberry Pi 400
- Rockchip: RK3568 SoC and EVB, video codecs for rk3036/3066/3188/322x
- Qualcomm: SA8155p Automotive platform (SM8150 derivative),
SM8150/8250 enhancements and support for Sony Xperia 1/1II and 5/5II
- TI K3: PCI/USB3 support on AM64-sk boards, R5 remoteproc definitions
- TI OMAP: Various cleanups
- Tegra: Audio support for Jetson Xavier NX, SMMU support on Tegra194
- Qualcomm: lots of additions for peripherals across several SoCs, and
new support for Microsoft Surface Duo (SM8150-based), Huawei Ascend G7.
- i.MX: Numerous additions of features across SoCs and boards.
- Allwinner: More device bindings for V3s, Forlinx OKA40i-C and NanoPi
R1S H5 boards
- MediaTek: More device bindings for mt8167, new Chromebook system
variants for mt8183
- Renesas: RZ/G2L SoC and EVK added
- Amlogic: BananaPi BPI-M5 board added
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Merge tag 'arm-dt-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM devicetree updates from Olof Johansson:
"Like always, the DT branch is sizable. There are numerous additions
and fixes to existing platforms, but also a handful of new ones
introduced. Less than some other releases, but there's been
significant work on cleanups, refactorings and device enabling on
existing platforms.
A non-exhaustive list of new material:
- Refactoring of BCM2711 dtsi structure to add support for the
Raspberry Pi 400
- Rockchip: RK3568 SoC and EVB, video codecs for
rk3036/3066/3188/322x
- Qualcomm: SA8155p Automotive platform (SM8150 derivative),
SM8150/8250 enhancements and support for Sony Xperia 1/1II and
5/5II
- TI K3: PCI/USB3 support on AM64-sk boards, R5 remoteproc
definitions
- TI OMAP: Various cleanups
- Tegra: Audio support for Jetson Xavier NX, SMMU support on Tegra194
- Qualcomm: lots of additions for peripherals across several SoCs,
and new support for Microsoft Surface Duo (SM8150-based), Huawei
Ascend G7.
- i.MX: Numerous additions of features across SoCs and boards.
- Allwinner: More device bindings for V3s, Forlinx OKA40i-C and
NanoPi R1S H5 boards
- MediaTek: More device bindings for mt8167, new Chromebook system
variants for mt8183
- Renesas: RZ/G2L SoC and EVK added
- Amlogic: BananaPi BPI-M5 board added"
* tag 'arm-dt-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (511 commits)
arm64: dts: rockchip: add basic dts for RK3568 EVB
arm64: dts: rockchip: add core dtsi for RK3568 SoC
arm64: dts: rockchip: add generic pinconfig settings used by most Rockchip socs
ARM: dts: rockchip: add vpu and vdec node for RK322x
ARM: dts: rockchip: add vpu nodes for RK3066 and RK3188
ARM: dts: rockchip: add vpu node for RK3036
arm64: dts: ipq8074: Add QUP6 I2C node
arm64: dts: rockchip: Re-add regulator-always-on for vcc_sdio for rk3399-roc-pc
arm64: dts: rockchip: Re-add regulator-boot-on, regulator-always-on for vdd_gpu on rk3399-roc-pc
arm64: dts: rockchip: add ir-receiver for rk3399-roc-pc
arm64: dts: rockchip: Add USB-C port details for rk3399 Firefly
arm64: dts: rockchip: Sort rk3399 firefly pinmux entries
arm64: dts: rockchip: add infrared receiver node to RK3399 Firefly
arm64: dts: rockchip: add SPDIF node for rk3399-firefly
arm64: dts: rockchip: Add Rotation Property for OGA Panel
arm64: dts: qcom: sc7180: bus votes for eMMC and SD card
arm64: dts: qcom: sm8250-edo: Add Samsung touchscreen
arm64: dts: qcom: sm8250-edo: Enable GPI DMA
arm64: dts: qcom: sm8250-edo: Enable ADSP/CDSP/SLPI
arm64: dts: qcom: sm8250-edo: Enable PCIe
...
|
||
|
Linus Torvalds
|
6e207b8821 |
ARM: SoC changes for 5.14
A few SoC (code) changes have queued up this cycle, mostly for minor
changes and some refactoring and cleanup of legacy platforms. This
branch also contains a few of the fixes that weren't sent in by the end
of the release (all fairly minor).
- Adding an additional maintainer for the TEE subsystem (Sumit Garg)
- Quite a significant modernization of the IXP4xx platforms by Linus
Walleij, revisiting with a new PCI host driver/binding, removing legacy
mach/* include dependencies and moving platform detection/config to
drivers/soc. Also some updates/cleanup of platform data.
- Core power domain support for Tegra platforms, and some improvements
in build test coverage by adding stubs for compile test targets.
- A handful of updates to i.MX platforms, adding legacy (non-PSCI) SMP
support on i.MX7D, SoC ID setup for i.MX50, removal of platform data
and board fixups for iMX6/7.
... and a few smaller changes and fixes for Samsung, OMAP, Allwinner,
Rockchip.
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Merge tag 'arm-soc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC updates from Olof Johansson:
"A few SoC (code) changes have queued up this cycle, mostly for minor
changes and some refactoring and cleanup of legacy platforms. This
branch also contains a few of the fixes that weren't sent in by the
end of the release (all fairly minor).
- Adding an additional maintainer for the TEE subsystem (Sumit Garg)
- Quite a significant modernization of the IXP4xx platforms by Linus
Walleij, revisiting with a new PCI host driver/binding, removing
legacy mach/* include dependencies and moving platform
detection/config to drivers/soc. Also some updates/cleanup of
platform data.
- Core power domain support for Tegra platforms, and some
improvements in build test coverage by adding stubs for compile
test targets.
- A handful of updates to i.MX platforms, adding legacy (non-PSCI)
SMP support on i.MX7D, SoC ID setup for i.MX50, removal of platform
data and board fixups for iMX6/7.
... and a few smaller changes and fixes for Samsung, OMAP, Allwinner,
Rockchip"
* tag 'arm-soc-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (53 commits)
MAINTAINERS: Add myself as TEE subsystem reviewer
ixp4xx: fix spelling mistake in Kconfig "Devce" -> "Device"
hw_random: ixp4xx: Add OF support
hw_random: ixp4xx: Add DT bindings
hw_random: ixp4xx: Turn into a module
hw_random: ixp4xx: Use SPDX license tag
hw_random: ixp4xx: enable compile-testing
pata: ixp4xx: split platform data to its own header
soc: ixp4xx: move cpu detection to linux/soc/ixp4xx/cpu.h
PCI: ixp4xx: Add a new driver for IXP4xx
PCI: ixp4xx: Add device tree bindings for IXP4xx
ARM/ixp4xx: Make NEED_MACH_IO_H optional
ARM/ixp4xx: Move the virtual IObases
MAINTAINERS: ARM/MStar/Sigmastar SoCs: Add a link to the MStar tree
ARM: debug: add UART early console support for MSTAR SoCs
ARM: dts: ux500: Fix LED probing
ARM: imx: add smp support for imx7d
ARM: imx6q: drop of_platform_default_populate() from init_machine
arm64: dts: rockchip: Update RK3399 PCI host bridge window to 32-bit address memory
soc/tegra: fuse: Fix Tegra234-only builds
...
|
||
|
Olof Johansson
|
42accadb32
|
Merge branch 'arm/fixes' into arm/soc
Merging in the last batch of fixes that didn't go in before previous release, just a few smaller DT fixups and a MAINTAINERS update * arm/fixes: (29 commits) MAINTAINERS: Add myself as TEE subsystem reviewer ARM: dts: ux500: Fix LED probing arm64: dts: rockchip: Update RK3399 PCI host bridge window to 32-bit address memory arm64: dts: allwinner: a64-sopine-baseboard: change RGMII mode to TXID arm64: meson: select COMMON_CLK soc: amlogic: meson-clk-measure: remove redundant dev_err call in meson_msr_probe() ARM: dts: qcom: sdx55-telit: Represent secure-regions as 64-bit elements ARM: dts: qcom: sdx55-t55: Represent secure-regions as 64-bit elements ARM: dts: sun8i: h3: orangepi-plus: Fix ethernet phy-mode ARM: dts: imx: emcon-avari: Fix nxp,pca8574 #gpio-cells ARM: dts: imx7d-pico: Fix the 'tuning-step' property ARM: dts: imx7d-meerkat96: Fix the 'tuning-step' property arm64: dts: freescale: sl28: var1: fix RGMII clock and voltage arm64: dts: freescale: sl28: var4: fix RGMII clock and voltage ARM: imx: pm-imx27: Include "common.h" arm64: dts: zii-ultra: fix 12V_MAIN voltage arm64: dts: zii-ultra: remove second GEN_3V3 regulator instance arm64: dts: ls1028a: fix memory node optee: use export_uuid() to copy client UUID arm64: dts: ti: k3*: Introduce reg definition for interrupt routers ... |
||
|
Thierry Reding
|
c667dcd4df |
arm64: tegra: Enable SMMU support for USB on Tegra194
As of commit |
||
|
Thierry Reding
|
34e0fc345a |
arm64: tegra: Enable audio IOMMU support on Tegra194
Add iommus and interconnects properties to the sound device tree node on
Tegra194. This ensures that the correct SID is used for translation of
physical to I/O virtual addresses and that the path to system memory is
properly described, which in turn can impact the range of memory that
the device can address.
Fixes:
|
||
|
Aneesh Kumar K.V
|
dc4875f0e7 |
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
No functional change in this patch. [aneesh.kumar@linux.ibm.com: m68k build error reported by kernel robot] Link: https://lkml.kernel.org/r/87tulxnb2v.fsf@linux.ibm.com Link: https://lkml.kernel.org/r/20210615110859.320299-2-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Aneesh Kumar K.V
|
9cf6fa2458 |
mm: rename pud_page_vaddr to pud_pgtable and make it return pmd_t *
No functional change in this patch. [aneesh.kumar@linux.ibm.com: fix] Link: https://lkml.kernel.org/r/87wnqtnb60.fsf@linux.ibm.com [sfr@canb.auug.org.au: another fix] Link: https://lkml.kernel.org/r/20210619134410.89559-1-aneesh.kumar@linux.ibm.com Link: https://lkml.kernel.org/r/20210615110859.320299-1-aneesh.kumar@linux.ibm.com Link: https://lore.kernel.org/linuxppc-dev/CAHk-=wi+J+iodze9FtjM3Zi4j4OeS+qqbKxME9QN4roxPEXH9Q@mail.gmail.com/ Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Stephen Boyd
|
f61b870607 |
arm64: stacktrace: use %pSb for backtrace printing
Let's use the new printk format to print the stacktrace entry when printing a backtrace to the kernel logs. This will include any module's build ID[1] in it so that offline/crash debugging can easily locate the debuginfo for a module via something like debuginfod[2]. Link: https://lkml.kernel.org/r/20210511003845.2429846-7-swboyd@chromium.org Link: https://fedoraproject.org/wiki/Releases/FeatureBuildId [1] Link: https://sourceware.org/elfutils/Debuginfod.html [2] Signed-off-by: Stephen Boyd <swboyd@chromium.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Jessica Yu <jeyu@kernel.org> Cc: Evan Green <evgreen@chromium.org> Cc: Hsin-Yi Wang <hsinyi@chromium.org> Cc: Petr Mladek <pmladek@suse.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Baoquan He <bhe@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Young <dyoung@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Sasha Levin <sashal@kernel.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kefeng Wang
|
29ffbca19e |
arm64: convert to setup_initial_init_mm()
Use setup_initial_init_mm() helper to simplify code. Link: https://lkml.kernel.org/r/20210608083418.137226-5-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
|
7bb7f2ac24 |
arch, mm: wire up memfd_secret system call where relevant
Wire up memfd_secret system call on architectures that define ARCH_HAS_SET_DIRECT_MAP, namely arm64, risc-v and x86. Link: https://lkml.kernel.org/r/20210518072034.31572-7-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: David Hildenbrand <david@redhat.com> Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Christopher Lameter <cl@linux.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Elena Reshetova <elena.reshetova@intel.com> Cc: Hagen Paul Pfeifer <hagen@jauu.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rick Edgecombe <rick.p.edgecombe@intel.com> Cc: Roman Gushchin <guro@fb.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tycho Andersen <tycho@tycho.ws> Cc: Will Deacon <will@kernel.org> Cc: kernel test robot <lkp@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Mike Rapoport
|
6d47c23b16 |
set_memory: allow querying whether set_direct_map_*() is actually enabled
On arm64, set_direct_map_*() functions may return 0 without actually changing the linear map. This behaviour can be controlled using kernel parameters, so we need a way to determine at runtime whether calls to set_direct_map_invalid_noflush() and set_direct_map_default_noflush() have any effect. Extend set_memory API with can_set_direct_map() function that allows checking if calling set_direct_map_*() will actually change the page table, replace several occurrences of open coded checks in arm64 with the new function and provide a generic stub for architectures that always modify page tables upon calls to set_direct_map APIs. [arnd@arndb.de: arm64: kfence: fix header inclusion ] Link: https://lkml.kernel.org/r/20210518072034.31572-4-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: David Hildenbrand <david@redhat.com> Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Christopher Lameter <cl@linux.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Elena Reshetova <elena.reshetova@intel.com> Cc: Hagen Paul Pfeifer <hagen@jauu.net> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Palmer Dabbelt <palmerdabbelt@google.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rick Edgecombe <rick.p.edgecombe@intel.com> Cc: Roman Gushchin <guro@fb.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tycho Andersen <tycho@tycho.ws> Cc: Will Deacon <will@kernel.org> Cc: kernel test robot <lkp@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Linus Torvalds
|
77d34a4683 |
ARM development updates for 5.14-rc1:
- Make it clear __swp_entry_to_pte() uses PTE_TYPE_FAULT - Updates for setting vmalloc size via command line to resolve an issue with the 8MiB hole not properly being accounted for, and clean up the code. - ftrace support for module PLTs - Spelling fixes - kbuild updates for removing generated files and pattern rules for generating files - Clang/llvm updates - Change the way the kernel is mapped, placing it in vmalloc space instead. - Remove arm_pm_restart from arm and aarch64. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEuNNh8scc2k/wOAE+9OeQG+StrGQFAmDi5ewACgkQ9OeQG+St rGRfLg//cWUq/FBgRWggSgvLGBnbqwJABKFnynVy7c+g+kPxNudDHjL9a2A8c6aR oTBMzaQvfRCQA2drgGK2fZ02sCHJxStX8d6Y6WyVaVEIBZPH6y09gZy1wW0/fIZS S8qk82WaASddk/kvNeFrWD/5qNT4tz8COndZeYbBpEsXw/5RjIqSQqyn0k5CZqUj 0lL95y1AW9vD9AH7OYyYMB6pLwDMt0LCTSynx/o6ZmaysX56KdM8c3ziiUllWwJB TIR03DeSpCZMiJMjwZUiWVl2BLjTES9WE2klZYulhgfh+ljlhkHvO+i8B+qy8kDS JHIXHnuMi3GjSFg6MlP/s21pLHT6yuCZ8dSGaACa+HEf1s0nRnE9wl2kzUFcJtLY jHAE5YyvO0BLJHCMuRGiB77rKwI92ij4yxKHvchU0BRlpgaVYcBmhZfqdVGnB4VO Mu2pMaHLzEdrkfLteYJ7bvKn0o5cD/G3wj/9UDAzJ6ME91LINiNqzgub68pf1KTe /YipxKipqcpbSBeysZAkfqTbMNB5WuxNnfmgwU15ZyfZsalcXSYEDkYex5+GGgOc w36VddVtQXNKd0LuCfoquda3hIjLvgCNf62ZDFNDXgOHcVu8okYXwZi9vyYg6xIn 0gfh/T/lK0DoLWul0/CuLpSnsjw+1T7WTgKlvgLYGusWIQ2mC7w= =dq60 -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm Pull ARM development updates from Russell King: - Make it clear __swp_entry_to_pte() uses PTE_TYPE_FAULT - Updates for setting vmalloc size via command line to resolve an issue with the 8MiB hole not properly being accounted for, and clean up the code. - ftrace support for module PLTs - Spelling fixes - kbuild updates for removing generated files and pattern rules for generating files - Clang/llvm updates - Change the way the kernel is mapped, placing it in vmalloc space instead. - Remove arm_pm_restart from arm and aarch64. * tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (29 commits) ARM: 9098/1: ftrace: MODULE_PLT: Fix build problem without DYNAMIC_FTRACE ARM: 9097/1: mmu: Declare section start/end correctly ARM: 9096/1: Remove arm_pm_restart() ARM: 9095/1: ARM64: Remove arm_pm_restart() ARM: 9094/1: Register with kernel restart handler ARM: 9093/1: drivers: firmwapsci: Register with kernel restart handler ARM: 9092/1: xen: Register with kernel restart handler ARM: 9091/1: Revert "mm: qsd8x50: Fix incorrect permission faults" ARM: 9090/1: Map the lowmem and kernel separately ARM: 9089/1: Define kernel physical section start and end ARM: 9088/1: Split KERNEL_OFFSET from PAGE_OFFSET ARM: 9087/1: kprobes: test-thumb: fix for LLVM_IAS=1 ARM: 9086/1: syscalls: use pattern rules to generate syscall headers ARM: 9085/1: remove unneeded abi parameter to syscallnr.sh ARM: 9084/1: simplify the build rule of mach-types.h ARM: 9083/1: uncompress: atags_to_fdt: Spelling s/REturn/Return/ ARM: 9082/1: [v2] mark prepare_page_table as __init ARM: 9079/1: ftrace: Add MODULE_PLTS support ARM: 9078/1: Add warn suppress parameter to arm_gen_branch_link() ARM: 9077/1: PLT: Move struct plt_entries definition to header ... |
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Linus Torvalds
|
c932ed0adb |
TTY / Serial patches for 5.14-rc1
Here is the big set of tty and serial driver patches for 5.14-rc1. A bit more than normal, but nothing major, lots of cleanups. Highlights are: - lots of tty api cleanups and mxser driver cleanups from Jiri - build warning fixes - various serial driver updates - coding style cleanups - various tty driver minor fixes and updates - removal of broken and disable r3964 line discipline (finally!) All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYOM4qQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylKvQCfbh+OmTkDlDlDhSWlxuV05M1XTXoAoLUcLZru s5JCnwSZztQQLMDHj7Pd =Zupm -----END PGP SIGNATURE----- Merge tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty / serial updates from Greg KH: "Here is the big set of tty and serial driver patches for 5.14-rc1. A bit more than normal, but nothing major, lots of cleanups. Highlights are: - lots of tty api cleanups and mxser driver cleanups from Jiri - build warning fixes - various serial driver updates - coding style cleanups - various tty driver minor fixes and updates - removal of broken and disable r3964 line discipline (finally!) All of these have been in linux-next for a while with no reported issues" * tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (227 commits) serial: mvebu-uart: remove unused member nb from struct mvebu_uart arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART dt-bindings: mvebu-uart: fix documentation serial: mvebu-uart: correctly calculate minimal possible baudrate serial: mvebu-uart: do not allow changing baudrate when uartclk is not available serial: mvebu-uart: fix calculation of clock divisor tty: make linux/tty_flip.h self-contained serial: Prefer unsigned int to bare use of unsigned serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs serial: qcom_geni_serial: use DT aliases according to DT bindings Revert "tty: serial: Add UART driver for Cortina-Access platform" tty: serial: Add UART driver for Cortina-Access platform MAINTAINERS: add me back as mxser maintainer mxser: Documentation, fix typos mxser: Documentation, make the docs up-to-date mxser: Documentation, remove traces of callout device mxser: introduce mxser_16550A_or_MUST helper mxser: rename flags to old_speed in mxser_set_serial_info mxser: use port variable in mxser_set_serial_info mxser: access info->MCR under info->slock ... |
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Linus Torvalds
|
cd3eb7efaa |
IOMMU Updates for Linux v5.14
Including:
- SMMU Updates from Will Deacon:
- SMMUv3: Support stalling faults for platform devices
- SMMUv3: Decrease defaults sizes for the event and PRI queues
- SMMUv2: Support for a new '->probe_finalize' hook, needed by Nvidia
- SMMUv2: Even more Qualcomm compatible strings
- SMMUv2: Avoid Adreno TTBR1 quirk for DB820C platform
- Intel VT-d updates from Lu Baolu:
- Convert Intel IOMMU to use sva_lib helpers in iommu core
- ftrace and debugfs supports for page fault handling
- Support asynchronous nested capabilities
- Various misc cleanups
- Support for new VIOT ACPI table to make the VirtIO IOMMU:
available on x86
- Add the amd_iommu=force_enable command line option to
enable the IOMMU on platforms where they are known to cause
problems
- Support for version 2 of the Rockchip IOMMU
- Various smaller fixes, cleanups and refactorings
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Merge tag 'iommu-updates-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- SMMU Updates from Will Deacon:
- SMMUv3:
- Support stalling faults for platform devices
- Decrease defaults sizes for the event and PRI queues
- SMMUv2:
- Support for a new '->probe_finalize' hook, needed by Nvidia
- Even more Qualcomm compatible strings
- Avoid Adreno TTBR1 quirk for DB820C platform
- Intel VT-d updates from Lu Baolu:
- Convert Intel IOMMU to use sva_lib helpers in iommu core
- ftrace and debugfs supports for page fault handling
- Support asynchronous nested capabilities
- Various misc cleanups
- Support for new VIOT ACPI table to make the VirtIO IOMMU
available on x86
- Add the amd_iommu=force_enable command line option to enable
the IOMMU on platforms where they are known to cause problems
- Support for version 2 of the Rockchip IOMMU
- Various smaller fixes, cleanups and refactorings
* tag 'iommu-updates-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (66 commits)
iommu/virtio: Enable x86 support
iommu/dma: Pass address limit rather than size to iommu_setup_dma_ops()
ACPI: Add driver for the VIOT table
ACPI: Move IOMMU setup code out of IORT
ACPI: arm64: Move DMA setup operations out of IORT
iommu/vt-d: Fix dereference of pointer info before it is null checked
iommu: Update "iommu.strict" documentation
iommu/arm-smmu: Check smmu->impl pointer before dereferencing
iommu/arm-smmu-v3: Remove unnecessary oom message
iommu/arm-smmu: Fix arm_smmu_device refcount leak in address translation
iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails
iommu/vt-d: Fix linker error on 32-bit
iommu/vt-d: No need to typecast
iommu/vt-d: Define counter explicitly as unsigned int
iommu/vt-d: Remove unnecessary braces
iommu/vt-d: Removed unused iommu_count in dmar domain
iommu/vt-d: Use bitfields for DMAR capabilities
iommu/vt-d: Use DEVICE_ATTR_RO macro
iommu/vt-d: Fix out-bounds-warning in intel/svm.c
iommu/vt-d: Add PRQ handling latency sampling
...
|
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|
Linus Torvalds
|
71bd934101 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: "190 patches. Subsystems affected by this patch series: mm (hugetlb, userfaultfd, vmscan, kconfig, proc, z3fold, zbud, ras, mempolicy, memblock, migration, thp, nommu, kconfig, madvise, memory-hotplug, zswap, zsmalloc, zram, cleanups, kfence, and hmm), procfs, sysctl, misc, core-kernel, lib, lz4, checkpatch, init, kprobes, nilfs2, hfs, signals, exec, kcov, selftests, compress/decompress, and ipc" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (190 commits) ipc/util.c: use binary search for max_idx ipc/sem.c: use READ_ONCE()/WRITE_ONCE() for use_global_lock ipc: use kmalloc for msg_queue and shmid_kernel ipc sem: use kvmalloc for sem_undo allocation lib/decompressors: remove set but not used variabled 'level' selftests/vm/pkeys: exercise x86 XSAVE init state selftests/vm/pkeys: refill shadow register after implicit kernel write selftests/vm/pkeys: handle negative sys_pkey_alloc() return code selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random kcov: add __no_sanitize_coverage to fix noinstr for all architectures exec: remove checks in __register_bimfmt() x86: signal: don't do sas_ss_reset() until we are certain that sigframe won't be abandoned hfsplus: report create_date to kstat.btime hfsplus: remove unnecessary oom message nilfs2: remove redundant continue statement in a while-loop kprobes: remove duplicated strong free_insn_page in x86 and s390 init: print out unknown kernel parameters checkpatch: do not complain about positive return values starting with EPOLL checkpatch: improve the indented label test checkpatch: scripts/spdxcheck.py now requires python3 ... |
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Linus Torvalds
|
911a2997a5 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmDcl7AACgkQnJ2qBz9k QNnsBQf+LBAPsfykQ/f8EdHErO1lfbVTmwf2g/JzTkjrIVZTZ6Ic47aCIiFxgHU2 Js9ufaPxpsbbopzpn2PAoCUzxNsZDqgXtnC03MOUAqoSFbAvgLHz2sQwjqeYJUGQ P6n7VipEA/qBVpQI5zeCUhHYcahoNrRjSLzaFnE2Z8CrQYQ6Ry9gVEhduvu2OTru 62cWlAWlTJfx/FcR1Y0F/ZznnNSKMiAHcEe3F6Beztplg2ooq+z6FclJYrkmnxMq SXSOsqTCdi1/oFx36NpvLkykrIS9I7N/iqCnKwbm6X+nyZZKyAwYZhWVqkbozPPu +u1Ppq8o0IuWwEA6/UAmxgAO3m/Gkw== =tn0h -----END PGP SIGNATURE----- Merge tag 'fs_for_v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull misc fs updates from Jan Kara: "The new quotactl_fd() syscall (remake of quotactl_path() syscall that got introduced & disabled in 5.13 cycle), and couple of udf, reiserfs, isofs, and writeback fixes and cleanups" * tag 'fs_for_v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: writeback: fix obtain a reference to a freeing memcg css quota: remove unnecessary oom message isofs: remove redundant continue statement quota: Wire up quotactl_fd syscall quota: Change quotactl_path() systcall to an fd-based one reiserfs: Remove unneed check in reiserfs_write_full_page() udf: Fix NULL pointer dereference in udf_symlink function reiserfs: add check for invalid 1st journal block |
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|
Andy Shevchenko
|
f39650de68 |
kernel.h: split out panic and oops helpers
kernel.h is being used as a dump for all kinds of stuff for a long time. Here is the attempt to start cleaning it up by splitting out panic and oops helpers. There are several purposes of doing this: - dropping dependency in bug.h - dropping a loop by moving out panic_notifier.h - unload kernel.h from something which has its own domain At the same time convert users tree-wide to use new headers, although for the time being include new header back to kernel.h to avoid twisted indirected includes for existing users. [akpm@linux-foundation.org: thread_info.h needs limits.h] [andriy.shevchenko@linux.intel.com: ia64 fix] Link: https://lkml.kernel.org/r/20210520130557.55277-1-andriy.shevchenko@linux.intel.com Link: https://lkml.kernel.org/r/20210511074137.33666-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Co-developed-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Corey Minyard <cminyard@mvista.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Kees Cook <keescook@chromium.org> Acked-by: Wei Liu <wei.liu@kernel.org> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Sebastian Reichel <sre@kernel.org> Acked-by: Luis Chamberlain <mcgrof@kernel.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: Helge Deller <deller@gmx.de> # parisc Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Anshuman Khandual
|
1c2f7d14d8 |
mm/thp: define default pmd_pgtable()
Currently most platforms define pmd_pgtable() as pmd_page() duplicating the same code all over. Instead just define a default value i.e pmd_page() for pmd_pgtable() and let platforms override when required via <asm/pgtable.h>. All the existing platform that override pmd_pgtable() have been moved into their respective <asm/pgtable.h> header in order to precede before the new generic definition. This makes it much cleaner with reduced code. Link: https://lkml.kernel.org/r/1623646133-20306-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Nick Hu <nickhu@andestech.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Brian Cain <bcain@codeaurora.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Stafford Horne <shorne@gmail.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Anshuman Khandual
|
fac7757e1f |
mm: define default value for FIRST_USER_ADDRESS
Currently most platforms define FIRST_USER_ADDRESS as 0UL duplication the same code all over. Instead just define a generic default value (i.e 0UL) for FIRST_USER_ADDRESS and let the platforms override when required. This makes it much cleaner with reduced code. The default FIRST_USER_ADDRESS here would be skipped in <linux/pgtable.h> when the given platform overrides its value via <asm/pgtable.h>. Link: https://lkml.kernel.org/r/1620615725-24623-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Guo Ren <guoren@kernel.org> [csky] Acked-by: Stafford Horne <shorne@gmail.com> [openrisc] Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> [RISC-V] Cc: Richard Henderson <rth@twiddle.net> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Brian Cain <bcain@codeaurora.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Stafford Horne <shorne@gmail.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Kefeng Wang
|
63703f37aa |
mm: generalize ZONE_[DMA|DMA32]
ZONE_[DMA|DMA32] configs have duplicate definitions on platforms that subscribe to them. Instead, just make them generic options which can be selected on applicable platforms. Also only x86/arm64 architectures could enable both ZONE_DMA and ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone configurable and visible on the two architectures. Link: https://lkml.kernel.org/r/20210528074557.17768-1-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> [RISC-V] Acked-by: Michal Simek <michal.simek@xilinx.com> [microblaze] Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Anshuman Khandual
|
16c9afc776 |
arm64/mm: drop HAVE_ARCH_PFN_VALID
CONFIG_SPARSEMEM_VMEMMAP is now the only available memory model on arm64 platforms and free_unused_memmap() would just return without creating any holes in the memmap mapping. There is no need for any special handling in pfn_valid() and HAVE_ARCH_PFN_VALID can just be dropped. This also moves the pfn upper bits sanity check into generic pfn_valid(). Link: https://lkml.kernel.org/r/1621947349-25421-1-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: David Hildenbrand <david@redhat.com> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Mike Rapoport <rppt@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Mike Rapoport
|
a7d9f306ba |
arm64: drop pfn_valid_within() and simplify pfn_valid()
The arm64's version of pfn_valid() differs from the generic because of two reasons: * Parts of the memory map are freed during boot. This makes it necessary to verify that there is actual physical memory that corresponds to a pfn which is done by querying memblock. * There are NOMAP memory regions. These regions are not mapped in the linear map and until the previous commit the struct pages representing these areas had default values. As the consequence of absence of the special treatment of NOMAP regions in the memory map it was necessary to use memblock_is_map_memory() in pfn_valid() and to have pfn_valid_within() aliased to pfn_valid() so that generic mm functionality would not treat a NOMAP page as a normal page. Since the NOMAP regions are now marked as PageReserved(), pfn walkers and the rest of core mm will treat them as unusable memory and thus pfn_valid_within() is no longer required at all and can be disabled on arm64. pfn_valid() can be slightly simplified by replacing memblock_is_map_memory() with memblock_is_memory(). [rppt@kernel.org: fix merge fix] Link: https://lkml.kernel.org/r/YJtoQhidtIJOhYsV@kernel.org Link: https://lkml.kernel.org/r/20210511100550.28178-5-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: David Hildenbrand <david@redhat.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Mike Rapoport
|
873ba46391 |
arm64: decouple check whether pfn is in linear map from pfn_valid()
The intended semantics of pfn_valid() is to verify whether there is a struct page for the pfn in question and nothing else. Yet, on arm64 it is used to distinguish memory areas that are mapped in the linear map vs those that require ioremap() to access them. Introduce a dedicated pfn_is_map_memory() wrapper for memblock_is_map_memory() to perform such check and use it where appropriate. Using a wrapper allows to avoid cyclic include dependencies. While here also update style of pfn_valid() so that both pfn_valid() and pfn_is_map_memory() declarations will be consistent. Link: https://lkml.kernel.org/r/20210511100550.28178-4-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: David Hildenbrand <david@redhat.com> Acked-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Kefeng Wang
|
781eb2cdd2 |
mm/kconfig: move HOLES_IN_ZONE into mm
commit a55749639dc1 ("ia64: drop marked broken DISCONTIGMEM and
VIRTUAL_MEM_MAP") drop VIRTUAL_MEM_MAP, so there is no need HOLES_IN_ZONE
on ia64.
Also move HOLES_IN_ZONE into mm/Kconfig, select it if architecture needs
this feature.
Link: https://lkml.kernel.org/r/20210417075946.181402-1-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Cc: Will Deacon <will@kernel.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Christophe Leroy
|
c742199a01 |
mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge
For architectures with no PMD and/or no PUD, add stubs similar to what we
have for architectures without P4D.
[christophe.leroy@csgroup.eu: arm64: define only {pud/pmd}_{set/clear}_huge when useful]
Link: https://lkml.kernel.org/r/73ec95f40cafbbb69bdfb43a7f53876fd845b0ce.1620990479.git.christophe.leroy@csgroup.eu
[christophe.leroy@csgroup.eu: x86: define only {pud/pmd}_{set/clear}_huge when useful]
Link: https://lkml.kernel.org/r/7fbf1b6bc3e15c07c24fa45278d57064f14c896b.1620930415.git.christophe.leroy@csgroup.eu
Link: https://lkml.kernel.org/r/5ac5976419350e8e048d463a64cae449eb3ba4b0.1620795204.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Christophe Leroy
|
79c1c594f4 |
mm/hugetlb: change parameters of arch_make_huge_pte()
Patch series "Subject: [PATCH v2 0/5] Implement huge VMAP and VMALLOC on powerpc 8xx", v2. This series implements huge VMAP and VMALLOC on powerpc 8xx. Powerpc 8xx has 4 page sizes: - 4k - 16k - 512k - 8M At the time being, vmalloc and vmap only support huge pages which are leaf at PMD level. Here the PMD level is 4M, it doesn't correspond to any supported page size. For now, implement use of 16k and 512k pages which is done at PTE level. Support of 8M pages will be implemented later, it requires use of hugepd tables. To allow this, the architecture provides two functions: - arch_vmap_pte_range_map_size() which tells vmap_pte_range() what page size to use. A stub returning PAGE_SIZE is provided when the architecture doesn't provide this function. - arch_vmap_pte_supported_shift() which tells __vmalloc_node_range() what page shift to use for a given area size. A stub returning PAGE_SHIFT is provided when the architecture doesn't provide this function. This patch (of 5): At the time being, arch_make_huge_pte() has the following prototype: pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma, struct page *page, int writable); vma is used to get the pages shift or size. vma is also used on Sparc to get vm_flags. page is not used. writable is not used. In order to use this function without a vma, replace vma by shift and flags. Also remove the used parameters. Link: https://lkml.kernel.org/r/cover.1620795204.git.christophe.leroy@csgroup.eu Link: https://lkml.kernel.org/r/f4633ac6a7da2f22f31a04a89e0a7026bb78b15b.1620795204.git.christophe.leroy@csgroup.eu Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Uladzislau Rezki <uladzislau.rezki@sony.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
dbe69e4337 |
Networking changes for 5.14.
Core:
- BPF:
- add syscall program type and libbpf support for generating
instructions and bindings for in-kernel BPF loaders (BPF loaders
for BPF), this is a stepping stone for signed BPF programs
- infrastructure to migrate TCP child sockets from one listener
to another in the same reuseport group/map to improve flexibility
of service hand-off/restart
- add broadcast support to XDP redirect
- allow bypass of the lockless qdisc to improving performance
(for pktgen: +23% with one thread, +44% with 2 threads)
- add a simpler version of "DO_ONCE()" which does not require
jump labels, intended for slow-path usage
- virtio/vsock: introduce SOCK_SEQPACKET support
- add getsocketopt to retrieve netns cookie
- ip: treat lowest address of a IPv4 subnet as ordinary unicast address
allowing reclaiming of precious IPv4 addresses
- ipv6: use prandom_u32() for ID generation
- ip: add support for more flexible field selection for hashing
across multi-path routes (w/ offload to mlxsw)
- icmp: add support for extended RFC 8335 PROBE (ping)
- seg6: add support for SRv6 End.DT46 behavior
- mptcp:
- DSS checksum support (RFC 8684) to detect middlebox meddling
- support Connection-time 'C' flag
- time stamping support
- sctp: packetization Layer Path MTU Discovery (RFC 8899)
- xfrm: speed up state addition with seq set
- WiFi:
- hidden AP discovery on 6 GHz and other HE 6 GHz improvements
- aggregation handling improvements for some drivers
- minstrel improvements for no-ack frames
- deferred rate control for TXQs to improve reaction times
- switch from round robin to virtual time-based airtime scheduler
- add trace points:
- tcp checksum errors
- openvswitch - action execution, upcalls
- socket errors via sk_error_report
Device APIs:
- devlink: add rate API for hierarchical control of max egress rate
of virtual devices (VFs, SFs etc.)
- don't require RCU read lock to be held around BPF hooks
in NAPI context
- page_pool: generic buffer recycling
New hardware/drivers:
- mobile:
- iosm: PCIe Driver for Intel M.2 Modem
- support for Qualcomm MSM8998 (ipa)
- WiFi: Qualcomm QCN9074 and WCN6855 PCI devices
- sparx5: Microchip SparX-5 family of Enterprise Ethernet switches
- Mellanox BlueField Gigabit Ethernet (control NIC of the DPU)
- NXP SJA1110 Automotive Ethernet 10-port switch
- Qualcomm QCA8327 switch support (qca8k)
- Mikrotik 10/25G NIC (atl1c)
Driver changes:
- ACPI support for some MDIO, MAC and PHY devices from Marvell and NXP
(our first foray into MAC/PHY description via ACPI)
- HW timestamping (PTP) support: bnxt_en, ice, sja1105, hns3, tja11xx
- Mellanox/Nvidia NIC (mlx5)
- NIC VF offload of L2 bridging
- support IRQ distribution to Sub-functions
- Marvell (prestera):
- add flower and match all
- devlink trap
- link aggregation
- Netronome (nfp): connection tracking offload
- Intel 1GE (igc): add AF_XDP support
- Marvell DPU (octeontx2): ingress ratelimit offload
- Google vNIC (gve): new ring/descriptor format support
- Qualcomm mobile (rmnet & ipa): inline checksum offload support
- MediaTek WiFi (mt76)
- mt7915 MSI support
- mt7915 Tx status reporting
- mt7915 thermal sensors support
- mt7921 decapsulation offload
- mt7921 enable runtime pm and deep sleep
- Realtek WiFi (rtw88)
- beacon filter support
- Tx antenna path diversity support
- firmware crash information via devcoredump
- Qualcomm 60GHz WiFi (wcn36xx)
- Wake-on-WLAN support with magic packets and GTK rekeying
- Micrel PHY (ksz886x/ksz8081): add cable test support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- BPF:
- add syscall program type and libbpf support for generating
instructions and bindings for in-kernel BPF loaders (BPF loaders
for BPF), this is a stepping stone for signed BPF programs
- infrastructure to migrate TCP child sockets from one listener to
another in the same reuseport group/map to improve flexibility
of service hand-off/restart
- add broadcast support to XDP redirect
- allow bypass of the lockless qdisc to improving performance (for
pktgen: +23% with one thread, +44% with 2 threads)
- add a simpler version of "DO_ONCE()" which does not require jump
labels, intended for slow-path usage
- virtio/vsock: introduce SOCK_SEQPACKET support
- add getsocketopt to retrieve netns cookie
- ip: treat lowest address of a IPv4 subnet as ordinary unicast
address allowing reclaiming of precious IPv4 addresses
- ipv6: use prandom_u32() for ID generation
- ip: add support for more flexible field selection for hashing
across multi-path routes (w/ offload to mlxsw)
- icmp: add support for extended RFC 8335 PROBE (ping)
- seg6: add support for SRv6 End.DT46 behavior
- mptcp:
- DSS checksum support (RFC 8684) to detect middlebox meddling
- support Connection-time 'C' flag
- time stamping support
- sctp: packetization Layer Path MTU Discovery (RFC 8899)
- xfrm: speed up state addition with seq set
- WiFi:
- hidden AP discovery on 6 GHz and other HE 6 GHz improvements
- aggregation handling improvements for some drivers
- minstrel improvements for no-ack frames
- deferred rate control for TXQs to improve reaction times
- switch from round robin to virtual time-based airtime scheduler
- add trace points:
- tcp checksum errors
- openvswitch - action execution, upcalls
- socket errors via sk_error_report
Device APIs:
- devlink: add rate API for hierarchical control of max egress rate
of virtual devices (VFs, SFs etc.)
- don't require RCU read lock to be held around BPF hooks in NAPI
context
- page_pool: generic buffer recycling
New hardware/drivers:
- mobile:
- iosm: PCIe Driver for Intel M.2 Modem
- support for Qualcomm MSM8998 (ipa)
- WiFi: Qualcomm QCN9074 and WCN6855 PCI devices
- sparx5: Microchip SparX-5 family of Enterprise Ethernet switches
- Mellanox BlueField Gigabit Ethernet (control NIC of the DPU)
- NXP SJA1110 Automotive Ethernet 10-port switch
- Qualcomm QCA8327 switch support (qca8k)
- Mikrotik 10/25G NIC (atl1c)
Driver changes:
- ACPI support for some MDIO, MAC and PHY devices from Marvell and
NXP (our first foray into MAC/PHY description via ACPI)
- HW timestamping (PTP) support: bnxt_en, ice, sja1105, hns3, tja11xx
- Mellanox/Nvidia NIC (mlx5)
- NIC VF offload of L2 bridging
- support IRQ distribution to Sub-functions
- Marvell (prestera):
- add flower and match all
- devlink trap
- link aggregation
- Netronome (nfp): connection tracking offload
- Intel 1GE (igc): add AF_XDP support
- Marvell DPU (octeontx2): ingress ratelimit offload
- Google vNIC (gve): new ring/descriptor format support
- Qualcomm mobile (rmnet & ipa): inline checksum offload support
- MediaTek WiFi (mt76)
- mt7915 MSI support
- mt7915 Tx status reporting
- mt7915 thermal sensors support
- mt7921 decapsulation offload
- mt7921 enable runtime pm and deep sleep
- Realtek WiFi (rtw88)
- beacon filter support
- Tx antenna path diversity support
- firmware crash information via devcoredump
- Qualcomm WiFi (wcn36xx)
- Wake-on-WLAN support with magic packets and GTK rekeying
- Micrel PHY (ksz886x/ksz8081): add cable test support"
* tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2168 commits)
tcp: change ICSK_CA_PRIV_SIZE definition
tcp_yeah: check struct yeah size at compile time
gve: DQO: Fix off by one in gve_rx_dqo()
stmmac: intel: set PCI_D3hot in suspend
stmmac: intel: Enable PHY WOL option in EHL
net: stmmac: option to enable PHY WOL with PMT enabled
net: say "local" instead of "static" addresses in ndo_dflt_fdb_{add,del}
net: use netdev_info in ndo_dflt_fdb_{add,del}
ptp: Set lookup cookie when creating a PTP PPS source.
net: sock: add trace for socket errors
net: sock: introduce sk_error_report
net: dsa: replay the local bridge FDB entries pointing to the bridge dev too
net: dsa: ensure during dsa_fdb_offload_notify that dev_hold and dev_put are on the same dev
net: dsa: include fdb entries pointing to bridge in the host fdb list
net: dsa: include bridge addresses which are local in the host fdb list
net: dsa: sync static FDB entries on foreign interfaces to hardware
net: dsa: install the host MDB and FDB entries in the master's RX filter
net: dsa: reference count the FDB addresses at the cross-chip notifier level
net: dsa: introduce a separate cross-chip notifier type for host FDBs
net: dsa: reference count the MDB entries at the cross-chip notifier level
...
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Linus Torvalds
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44b6ed4cfa |
Clang feature updates for v5.14-rc1
- Add CC_HAS_NO_PROFILE_FN_ATTR in preparation for PGO support in the face of the noinstr attribute, paving the way for PGO and fixing GCOV. (Nick Desaulniers) - x86_64 LTO coverage is expanded to 32-bit x86. (Nathan Chancellor) - Small fixes to CFI. (Mark Rutland, Nathan Chancellor) -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmDbiFYWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJtd7D/9O7KE4M1O38TumCK9e6djPETb6 CHF5dpxnV5w1ZWgBysy8+nZ0ORWAm05rgF65K4ROBUhdrygEElIIkI88a/F9pDyE 99E0WTgQi4x4pFFJHF1Sj2G6YoCqrvFpZ45fMd8xk3y/sykhKO4k2A2ux1cHH1zh yYkzASDdukpr/xfcu1JCSFyjRU3Yk9aRzpg0PtrcMSDDuCYqg+oL91rxtkdXc6wS FbVSkUiFQq+RZk9h6DaiVDen/rPvo4rqgQYbdVM8s94gMaHA4MiMiQE6cKkClfdp zacqqh9Cjaeyievz6jkVSqFtmO7e231E6kAWg/ebqVjs6WIcS3NVEfGGjCEaCuMq qKy/m30YzpJ0jLbbQ9L/Cm3xu5ZqfSaQBQmBjNcBMkeMQN8o/P6qt6UASZfBXXCs ++MUpNQEJqxCyZdwu/6qlzfKUiGo5AJo7RRes5/shqTXQLLBni4j7vtkSYZsfPYr b1nHk6TnyY7PjcMekG/IWU89pMchEDswGxSGlrqoop1kT3zumzJeZdPAB8sdNjI8 aBb120qLIC8n9ybZZsNliNtK4IHerBOxDDJB40EEbtBCPowZDEUt/z/DQrKjbOv4 viOulu1D8f/MDXVBx2aTXGpMo/jQf7bKRITtpzt1eFWSTZzqCqWLfGRq2myjz0t5 f2x1rpJLC2oV4KNCYw== =IhVh -----END PGP SIGNATURE----- Merge tag 'clang-features-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull clang feature updates from Kees Cook: - Add CC_HAS_NO_PROFILE_FN_ATTR in preparation for PGO support in the face of the noinstr attribute, paving the way for PGO and fixing GCOV. (Nick Desaulniers) - x86_64 LTO coverage is expanded to 32-bit x86. (Nathan Chancellor) - Small fixes to CFI. (Mark Rutland, Nathan Chancellor) * tag 'clang-features-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: qemu_fw_cfg: Make fw_cfg_rev_attr a proper kobj_attribute Kconfig: Introduce ARCH_WANTS_NO_INSTR and CC_HAS_NO_PROFILE_FN_ATTR compiler_attributes.h: cleanups for GCC 4.9+ compiler_attributes.h: define __no_profile, add to noinstr x86, lto: Enable Clang LTO for 32-bit as well CFI: Move function_nocfi() into compiler.h MAINTAINERS: Add Clang CFI section |
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Linus Torvalds
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65090f30ab |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: "191 patches. Subsystems affected by this patch series: kthread, ia64, scripts, ntfs, squashfs, ocfs2, kernel/watchdog, and mm (gup, pagealloc, slab, slub, kmemleak, dax, debug, pagecache, gup, swap, memcg, pagemap, mprotect, bootmem, dma, tracing, vmalloc, kasan, initialization, pagealloc, and memory-failure)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (191 commits) mm,hwpoison: make get_hwpoison_page() call get_any_page() mm,hwpoison: send SIGBUS with error virutal address mm/page_alloc: split pcp->high across all online CPUs for cpuless nodes mm/page_alloc: allow high-order pages to be stored on the per-cpu lists mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA docs: remove description of DISCONTIGMEM arch, mm: remove stale mentions of DISCONIGMEM mm: remove CONFIG_DISCONTIGMEM m68k: remove support for DISCONTIGMEM arc: remove support for DISCONTIGMEM arc: update comment about HIGHMEM implementation alpha: remove DISCONTIGMEM and NUMA mm/page_alloc: move free_the_page mm/page_alloc: fix counting of managed_pages mm/page_alloc: improve memmap_pages dbg msg mm: drop SECTION_SHIFT in code comments mm/page_alloc: introduce vm.percpu_pagelist_high_fraction mm/page_alloc: limit the number of pages on PCP lists when reclaim is active mm/page_alloc: scale the number of pages that are batch freed ... |
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Mike Rapoport
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a9ee6cf5c6 |
mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA
After removal of DISCINTIGMEM the NEED_MULTIPLE_NODES and NUMA configuration options are equivalent. Drop CONFIG_NEED_MULTIPLE_NODES and use CONFIG_NUMA instead. Done with $ sed -i 's/CONFIG_NEED_MULTIPLE_NODES/CONFIG_NUMA/' \ $(git grep -wl CONFIG_NEED_MULTIPLE_NODES) $ sed -i 's/NEED_MULTIPLE_NODES/NUMA/' \ $(git grep -wl NEED_MULTIPLE_NODES) with manual tweaks afterwards. [rppt@linux.ibm.com: fix arm boot crash] Link: https://lkml.kernel.org/r/YMj9vHhHOiCVN4BF@linux.ibm.com Link: https://lkml.kernel.org/r/20210608091316.3622-9-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: David Hildenbrand <david@redhat.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Matt Turner <mattst88@gmail.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |