Separate PATA timings code from libata-core.c:
* add PATA_TIMINGS config option and make corresponding PATA
host drivers (and ATA ACPI code) select it
* move following PATA timings code to libata-pata-timings.c:
- ata_timing_quantize()
- ata_timing_merge()
- ata_timing_find_mode()
- ata_timing_compute()
* group above functions together in <linux/libata.h>
* include libata-pata-timings.c in the build when PATA_TIMINGS
config option is enabled
* cover ata_timing_cycle2mode() with CONFIG_ATA_ACPI ifdef (it
depends on code from libata-core.c and libata-pata-timings.c
while its only user is ATA ACPI)
Code size savings on m68k arch using (modified) atari_defconfig:
text data bss dec hex filename
before:
39688 573 40 40301 9d6d drivers/ata/libata-core.o
after:
37820 572 40 38432 9620 drivers/ata/libata-core.o
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
* fix the overly long line in ata_timing_quantize()
* use standard kernel CodingStyle in ata_timing_merge()
* do not use assignment in if condition in ata_timing_compute()
* fix non-standard comment style in ata_timing_compute()
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Move EXPORT_SYMBOL_GPL()s close to exported code like it is
done in other kernel subsystems. As a nice side effect this
results in the removal of few ifdefs.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently the maximum required size of the ata_scsi_rbuf[] is
576 bytes in ata_scsiop_inq_89() so modify ATA_SCSI_RBUF_SIZE
define accordingly.
Code size savings on m68k arch using (modified) atari_defconfig:
text data bss dec hex filename
before:
20782 105 4096 24983 6197 drivers/ata/libata-scsi.o
after:
20782 105 576 21463 53d7 drivers/ata/libata-scsi.o
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Optimize struct ata_force_param size by:
- using u8 for cbl and spd_limit fields
- using u16 for lflags field
Code size savings on m68k arch using (modified) atari_defconfig:
text data bss dec hex filename
before:
41064 573 40 41677 a2cd drivers/ata/libata-core.o
after:
40654 573 40 41267 a133 drivers/ata/libata-core.o
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use COMMAND_LINE_SIZE instead PAGE_SIZE for ata_force_param_buf[]
size as libata parameters buffer doesn't need to be bigger than
the command line buffer.
For many architectures this results in decreased libata-core.o
size (COMMAND_LINE_SIZE varies from 256 to 4096 while the minimum
PAGE_SIZE is 4096).
Code size savings on m68k arch using (modified) atari_defconfig:
text data bss dec hex filename
before:
41064 4413 40 45517 b1cd drivers/ata/libata-core.o
after:
41064 573 40 41677 a2cd drivers/ata/libata-core.o
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Initialize rbuf[] directly instead of using ata_tf_to_fis(). This
results in simpler and smaller code. It also allows separating
ata_tf_to_fis() into SATA specific libata part in the future.
Code size savings on m68k arch using (modified) atari_defconfig:
text data bss dec hex filename
before:
20824 105 4096 25025 61c1 drivers/ata/libata-scsi.o
after:
20782 105 4096 24983 6197 drivers/ata/libata-scsi.o
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use core helper instead of open-coding it.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There is no reason to expose SATA_PMP config option when no SATA
host drivers are enabled. To fix it add SATA_HOST config option,
make all SATA host drivers select it and finally make SATA_PMP
config options depend on it.
This also serves as preparation for the future changes which
optimize libata core code size on PATA only setups.
CC: "James E.J. Bottomley" <jejb@linux.ibm.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> # for SCSI bits
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There is no point in exposing ncq_enable_prio sysfs attribute for
devices on PATA and non-NCQ capable SATA hosts so:
* remove dev_attr_ncq_prio_enable from ata_common_sdev_attrs[]
* add ata_ncq_sdev_attrs[]
* update ATA_NCQ_SHT() macro to use ata_ncq_sdev_attrs[]
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In commit 7634ccd2da ("libata: maintainership update") from 2018
Jens has officially taken over libata maintainership from Tejun so
remove stale information from core libata code.
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add Intel Comet Lake PCH-V PCI ID to the list of supported controllers.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add Intel Comet Lake PCH-H PCI ID to the list of supported controllers.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When we spawn a SCSI device from an ATA device in libata-scsi
the SCSI device had no relation to the device tree.
The DT binding allows us to define port nodes under a
PATA (IDE) or SATA host controller, so we can have proper device
nodes for these devices.
If OF is enabled, walk the children of the host controller node
to see if there is a valid device tree node to assign. The reg
is used to match to ID 0 for the master device and ID 1 for the
slave device.
The corresponding device tree bindings have been accepted by
the device tree maintainers.
Cc: Chris Healy <cphealy@gmail.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If the call to scsi_add_host_with_dma() in ata_scsi_add_hosts() fails,
then we may get use-after-free KASAN warns:
==================================================================
BUG: KASAN: use-after-free in kobject_put+0x24/0x180
Read of size 1 at addr ffff0026b8c80364 by task swapper/0/1
CPU: 1 PID: 1 Comm: swapper/0 Tainted: G W 5.6.0-rc3-00004-g5a71b206ea82-dirty #1765
Hardware name: Huawei TaiShan 200 (Model 2280)/BC82AMDD, BIOS 2280-V2 CS V3.B160.01 02/24/2020
Call trace:
dump_backtrace+0x0/0x298
show_stack+0x14/0x20
dump_stack+0x118/0x190
print_address_description.isra.9+0x6c/0x3b8
__kasan_report+0x134/0x23c
kasan_report+0xc/0x18
__asan_load1+0x5c/0x68
kobject_put+0x24/0x180
put_device+0x10/0x20
scsi_host_put+0x10/0x18
ata_devres_release+0x74/0xb0
release_nodes+0x2d0/0x470
devres_release_all+0x50/0x78
really_probe+0x2d4/0x560
driver_probe_device+0x7c/0x148
device_driver_attach+0x94/0xa0
__driver_attach+0xa8/0x110
bus_for_each_dev+0xe8/0x158
driver_attach+0x30/0x40
bus_add_driver+0x220/0x2e0
driver_register+0xbc/0x1d0
__pci_register_driver+0xbc/0xd0
ahci_pci_driver_init+0x20/0x28
do_one_initcall+0xf0/0x608
kernel_init_freeable+0x31c/0x384
kernel_init+0x10/0x118
ret_from_fork+0x10/0x18
Allocated by task 5:
save_stack+0x28/0xc8
__kasan_kmalloc.isra.8+0xbc/0xd8
kasan_kmalloc+0xc/0x18
__kmalloc+0x1a8/0x280
scsi_host_alloc+0x44/0x678
ata_scsi_add_hosts+0x74/0x268
ata_host_register+0x228/0x488
ahci_host_activate+0x1c4/0x2a8
ahci_init_one+0xd18/0x1298
local_pci_probe+0x74/0xf0
work_for_cpu_fn+0x2c/0x48
process_one_work+0x488/0xc08
worker_thread+0x330/0x5d0
kthread+0x1c8/0x1d0
ret_from_fork+0x10/0x18
Freed by task 5:
save_stack+0x28/0xc8
__kasan_slab_free+0x118/0x180
kasan_slab_free+0x10/0x18
slab_free_freelist_hook+0xa4/0x1a0
kfree+0xd4/0x3a0
scsi_host_dev_release+0x100/0x148
device_release+0x7c/0xe0
kobject_put+0xb0/0x180
put_device+0x10/0x20
scsi_host_put+0x10/0x18
ata_scsi_add_hosts+0x210/0x268
ata_host_register+0x228/0x488
ahci_host_activate+0x1c4/0x2a8
ahci_init_one+0xd18/0x1298
local_pci_probe+0x74/0xf0
work_for_cpu_fn+0x2c/0x48
process_one_work+0x488/0xc08
worker_thread+0x330/0x5d0
kthread+0x1c8/0x1d0
ret_from_fork+0x10/0x18
There is also refcount issue, as well:
WARNING: CPU: 1 PID: 1 at lib/refcount.c:28 refcount_warn_saturate+0xf8/0x170
The issue is that we make an erroneous extra call to scsi_host_put()
for that host:
So in ahci_init_one()->ata_host_alloc_pinfo()->ata_host_alloc(), we setup
a device release method - ata_devres_release() - which intends to release
the SCSI hosts:
static void ata_devres_release(struct device *gendev, void *res)
{
...
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
if (!ap)
continue;
if (ap->scsi_host)
scsi_host_put(ap->scsi_host);
}
...
}
However in the ata_scsi_add_hosts() error path, we also call
scsi_host_put() for the SCSI hosts.
Fix by removing the the scsi_host_put() calls in ata_scsi_add_hosts() and
leave this to ata_devres_release().
Fixes: f31871951b ("libata: separate out ata_host_alloc() and ata_host_register()")
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add the PCI ID to the driver list to support this new device.
Cc: stable@vger.kernel.org
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
No users, drop it.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Loongson 7A1000 SATA controller uses BAR0 as the base address register.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add the Loongson vendor ID to pci_ids.h to be used by the controller
driver in the future.
The Loongson vendor ID can be found at the following link:
https://git.kernel.org/pub/scm/utils/pciutils/pciutils.git/tree/pci.ids
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We've been accruing these for a couple of weeks, so the batch is a bit
bigger than usual.
Largest delta is due to a led-bl driver that is added -- there was
a miscommunication before the merge window and the driver didn't make it
in. Due to this, the platforms needing it regressed. At this point, it
seemed easier to add the new driver than unwind the changes.
Besides that, there are a handful of various fixes:
- AMD tee memory leak fix
- A handful of fixlets for i.MX SCU communication
- A few maintainers woke up and realized DEBUG_FS had been missing for
a while, so a few updates of that.
... and the usual collection of smaller fixes to various platforms.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"We've been accruing these for a couple of weeks, so the batch is a bit
bigger than usual.
Largest delta is due to a led-bl driver that is added -- there was a
miscommunication before the merge window and the driver didn't make it
in. Due to this, the platforms needing it regressed. At this point, it
seemed easier to add the new driver than unwind the changes.
Besides that, there are a handful of various fixes:
- AMD tee memory leak fix
- A handful of fixlets for i.MX SCU communication
- A few maintainers woke up and realized DEBUG_FS had been missing
for a while, so a few updates of that.
... and the usual collection of smaller fixes to various platforms"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (37 commits)
ARM: socfpga_defconfig: Add back DEBUG_FS
arm64: dts: socfpga: agilex: Fix gmac compatible
ARM: bcm2835_defconfig: Explicitly restore CONFIG_DEBUG_FS
arm64: dts: meson: fix gxm-khadas-vim2 wifi
arm64: dts: meson-sm1-sei610: add missing interrupt-names
ARM: meson: Drop unneeded select of COMMON_CLK
ARM: dts: bcm2711: Add pcie0 alias
ARM: dts: bcm283x: Add missing properties to the PWR LED
tee: amdtee: fix memory leak in amdtee_open_session()
ARM: OMAP2+: Fix compile if CONFIG_HAVE_ARM_SMCCC is not set
arm: dts: dra76x: Fix mmc3 max-frequency
ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
bus: ti-sysc: Fix 1-wire reset quirk
ARM: dts: r8a7779: Remove deprecated "renesas, rcar-sata" compatible value
soc: imx-scu: Align imx sc msg structs to 4
firmware: imx: Align imx_sc_msg_req_cpu_start to 4
firmware: imx: scu-pd: Align imx sc msg structs to 4
firmware: imx: misc: Align imx sc msg structs to 4
firmware: imx: scu: Ensure sequential TX
ARM: dts: imx7-colibri: Fix frequency for sd/mmc
...
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Merge tag 'edac_urgent-2020-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
"Error reporting fix for synopsys_edac: do not overwrite partial
decoded error message (Sherry Sun)"
* tag 'edac_urgent-2020-03-08' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/synopsys: Do not print an error with back-to-back snprintf() calls
Here are 4 small char/misc driver fixes for reported issues for 5.6-rc5.
These fixes are:
- binder fix for a potential use-after-free problem found (took
2 tries to get it right)
- interconnect core fix
- altera-stapl driver fix
All 4 of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are four small char/misc driver fixes for reported issues for
5.6-rc5.
These fixes are:
- binder fix for a potential use-after-free problem found (took two
tries to get it right)
- interconnect core fix
- altera-stapl driver fix
All four of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: prevent UAF for binderfs devices II
interconnect: Handle memory allocation errors
altera-stapl: altera_get_note: prevent write beyond end of 'key'
binder: prevent UAF for binderfs devices
Here are 4 small driver core / debugfs patches for 5.6-rc3
They are:
- debugfs api cleanup now that all callers for
debugfs_create_regset32() have been fixed up. This was
waiting until after the -rc1 merge as these fixes came in
through different trees
- driver core sync state fixes based on reports of minor issues
found in the feature
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and debugfs fixes from Greg KH:
"Here are four small driver core / debugfs patches for 5.6-rc3:
- debugfs api cleanup now that all debugfs_create_regset32() callers
have been fixed up. This was waiting until after the -rc1 merge as
these fixes came in through different trees
- driver core sync state fixes based on reports of minor issues found
in the feature
All of these have been in linux-next with no reported issues"
* tag 'driver-core-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
driver core: Skip unnecessary work when device doesn't have sync_state()
driver core: Add dev_has_sync_state()
driver core: Call sync_state() even if supplier has no consumers
debugfs: remove return value of debugfs_create_regset32()
Here are some small tty/serial fixes for 5.6-rc5
Just some small serial driver fixes, and a vt core fixup, full details
are:
- vt fixes for issues found by syzbot
- serdev fix for Apple boxes
- fsl_lpuart serial driver fixes
- MAINTAINER update for incorrect serial files
- new device ids for 8250_exar driver
- mvebu-uart fix
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty/serial fixes for 5.6-rc5
Just some small serial driver fixes, and a vt core fixup, full details
are:
- vt fixes for issues found by syzbot
- serdev fix for Apple boxes
- fsl_lpuart serial driver fixes
- MAINTAINER update for incorrect serial files
- new device ids for 8250_exar driver
- mvebu-uart fix
All of these have been in linux-next with no reported issues"
* tag 'tty-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: fsl_lpuart: free IDs allocated by IDA
Revert "tty: serial: fsl_lpuart: drop EARLYCON_DECLARE"
serdev: Fix detection of UART devices on Apple machines.
MAINTAINERS: Add missed files related to Synopsys DesignWare UART
serial: 8250_exar: add support for ACCES cards
tty:serial:mvebu-uart:fix a wrong return
vt: selection, push sel_lock up
vt: selection, push console lock down
Here are some small USB and PHY driver fixes for reported issues for
5.6-rc5.
Included in here are:
- phy driver fixes
- new USB quirks
- USB cdns3 gadget driver fixes
- USB hub core fixes
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are some small USB and PHY driver fixes for reported issues for
5.6-rc5.
Included in here are:
- phy driver fixes
- new USB quirks
- USB cdns3 gadget driver fixes
- USB hub core fixes
All of these have been in linux-next with no reported issues"
* tag 'usb-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: dwc3: gadget: Update chain bit correctly when using sg list
usb: core: port: do error out if usb_autopm_get_interface() fails
usb: core: hub: do error out if usb_autopm_get_interface() fails
usb: core: hub: fix unhandled return by employing a void function
usb: storage: Add quirk for Samsung Fit flash
usb: quirks: add NO_LPM quirk for Logitech Screen Share
usb: usb251xb: fix regulator probe and error handling
phy: allwinner: Fix GENMASK misuse
usb: cdns3: gadget: toggle cycle bit before reset endpoint
usb: cdns3: gadget: link trb should point to next request
phy: mapphone-mdm6600: Fix timeouts by adding wake-up handling
phy: brcm-sata: Correct MDIO operations for 40nm platforms
phy: ti: gmii-sel: do not fail in case of gmii
phy: ti: gmii-sel: fix set of copy-paste errors
phy: core: Fix phy_get() to not return error on link creation failure
phy: mapphone-mdm6600: Fix write timeouts with shorter GPIO toggle interval
- Fix busted syzkaller fix in 'get_new_pps' - this turned out to crash on
certain HW configurations
- Bug fixes for various missed things in error unwinds
- Add a missing rcu_read_lock annotation in hfi/qib
- Fix two ODP related regressions from the recent mmu notifier changes
- Several more syzkaller bugs in siw, RDMA netlink, verbs and iwcm
- Revert an old patch in CMA as it is now shown to not be allocating port
numbers properly
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Nothing particularly exciting, some small ODP regressions from the mmu
notifier rework, another bunch of syzkaller fixes, and a bug fix for a
botched syzkaller fix in the first rc pull request.
- Fix busted syzkaller fix in 'get_new_pps' - this turned out to
crash on certain HW configurations
- Bug fixes for various missed things in error unwinds
- Add a missing rcu_read_lock annotation in hfi/qib
- Fix two ODP related regressions from the recent mmu notifier
changes
- Several more syzkaller bugs in siw, RDMA netlink, verbs and iwcm
- Revert an old patch in CMA as it is now shown to not be allocating
port numbers properly"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/iwcm: Fix iwcm work deallocation
RDMA/siw: Fix failure handling during device creation
RDMA/nldev: Fix crash when set a QP to a new counter but QPN is missing
RDMA/odp: Ensure the mm is still alive before creating an implicit child
RDMA/core: Fix protection fault in ib_mr_pool_destroy
IB/mlx5: Fix implicit ODP race
IB/hfi1, qib: Ensure RCU is locked when accessing list
RDMA/core: Fix pkey and port assignment in get_new_pps
RMDA/cm: Fix missing ib_cm_destroy_id() in ib_cm_insert_listen()
RDMA/rw: Fix error flow during RDMA context initialization
RDMA/core: Fix use of logical OR in get_new_pps
Revert "RDMA/cma: Simplify rdma_resolve_addr() error flow"
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Merge tag 'io_uring-5.6-2020-03-07' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Here are a few io_uring fixes that should go into this release. This
contains:
- Removal of (now) unused io_wq_flush() and associated flag (Pavel)
- Fix cancelation lockup with linked timeouts (Pavel)
- Fix for potential use-after-free when freeing percpu ref for fixed
file sets
- io-wq cancelation fixups (Pavel)"
* tag 'io_uring-5.6-2020-03-07' of git://git.kernel.dk/linux-block:
io_uring: fix lockup with timeouts
io_uring: free fixed_file_data after RCU grace period
io-wq: remove io_wq_flush and IO_WQ_WORK_INTERNAL
io-wq: fix IO_WQ_WORK_NO_CANCEL cancellation
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Merge tag 'block-5.6-2020-03-07' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Here are a few fixes that should go into this release. This contains:
- Revert of a bad bcache patch from this merge window
- Removed unused function (Daniel)
- Fixup for the blktrace fix from Jan from this release (Cengiz)
- Fix of deeper level bfqq overwrite in BFQ (Carlo)"
* tag 'block-5.6-2020-03-07' of git://git.kernel.dk/linux-block:
block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group()
blktrace: fix dereference after null check
Revert "bcache: ignore pending signals when creating gc and allocator thread"
block: Remove used kblockd_schedule_work_on()
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Merge tag 'media/v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- a fix for the media controller links in both hantro driver and in
v4l2-mem2mem core
- some fixes for the pulse8-cec driver
- vicodec: handle alpha channel for RGB32 formats, as it may be used
- mc-entity.c: fix handling of pad flags
* tag 'media/v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: hantro: Fix broken media controller links
media: mc-entity.c: use & to check pad flags, not ==
media: v4l2-mem2mem.c: fix broken links
media: vicodec: process all 4 components for RGB32 formats
media: pulse8-cec: close serio in disconnect, not adap_free
media: pulse8-cec: INIT_DELAYED_WORK was called too late
There is a recipe to deadlock the kernel: submit a timeout sqe with a
linked_timeout (e.g. test_single_link_timeout_ception() from liburing),
and SIGKILL the process.
Then, io_kill_timeouts() takes @ctx->completion_lock, but the timeout
isn't flagged with REQ_F_COMP_LOCKED, and will try to double grab it
during io_put_free() to cancel the linked timeout. Probably, the same
can happen with another io_kill_timeout() call site, that is
io_commit_cqring().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- Fix panic in gup_fast on large pud by providing an implementation of
pud_write. This has been overlooked during migration to common gup code.
- Fix unexpected write combining on PCI stores.
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Merge tag 's390-5.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix panic in gup_fast on large pud by providing an implementation of
pud_write. This has been overlooked during migration to common gup
code.
- Fix unexpected write combining on PCI stores.
* tag 's390-5.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: Fix unexpected write combine on resource
s390/mm: fix panic in gup_fast on large pud
One fix for a recent regression to our breakpoint/watchpoint code.
Another fix for our KUAP support, this time a missing annotation in a rarely
used path in signal handling.
A fix for our handling of a CPU feature that effects the PMU, when booting
guests in some configurations.
A minor fix to our linker script to explicitly include the .BTF section.
Thanks to:
Christophe Leroy, Desnes A. Nunes do Rosario, Leonardo Bras, Naveen N. Rao,
Ravi Bangoria, Stefan Berger.
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Merge tag 'powerpc-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes for 5.6:
- One fix for a recent regression to our breakpoint/watchpoint code.
- Another fix for our KUAP support, this time a missing annotation in
a rarely used path in signal handling.
- A fix for our handling of a CPU feature that effects the PMU, when
booting guests in some configurations.
- A minor fix to our linker script to explicitly include the .BTF
section.
Thanks to: Christophe Leroy, Desnes A. Nunes do Rosario, Leonardo
Bras, Naveen N. Rao, Ravi Bangoria, Stefan Berger"
* tag 'powerpc-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm: Fix missing KUAP disable in flush_coherent_icache()
powerpc: fix hardware PMU exception bug on PowerVM compatibility mode systems
powerpc: Include .BTF section
powerpc/watchpoint: Don't call dar_within_range() for Book3S
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Merge tag 'for-linus-5.6b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Four fixes and a small cleanup patch:
- two fixes by Dongli Zhang fixing races in the xenbus driver
- two fixes by me fixing issues introduced in 5.6
- a small cleanup by Gustavo Silva replacing a zero-length array with
a flexible-array"
* tag 'for-linus-5.6b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/blkfront: fix ring info addressing
xen/xenbus: fix locking
xenbus: req->err should be updated before req->state
xenbus: req->body should be updated before req->state
xen: Replace zero-length array with flexible-array member
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Merge tag 'for-linus-2020-03-07' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux
Pull thread fixes from Christian Brauner:
"Here are a few hopefully uncontroversial fixes:
- Use RCU_INIT_POINTER() when initializing rcu protected members in
task_struct to fix sparse warnings.
- Add pidfd_fdinfo_test binary to .gitignore file"
* tag 'for-linus-2020-03-07' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux:
selftests: pidfd: Add pidfd_fdinfo_test in .gitignore
exit: Fix Sparse errors and warnings
fork: Use RCU_INIT_POINTER() instead of rcu_access_pointer()
The regular "bump-in-the-middle" updates, containing mostly ASoC-
related fixes at this time. All changes are reasonably small.
A few entries are for ASoC and ALSA core parts (DAPM, PCM, topology)
for followups of the recent changes and potential buffer overflow by
snprintf(), while the rest are (both new and old) device-specific
fixes for Intel, meson, tas2562, rt1015, as well as the usual
HD-audio quirks.
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Merge tag 'sound-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The regular "bump-in-the-middle" updates, containing mostly ASoC-
related fixes at this time. All changes are reasonably small.
A few entries are for ASoC and ALSA core parts (DAPM, PCM, topology)
for followups of the recent changes and potential buffer overflow by
snprintf(), while the rest are (both new and old) device-specific
fixes for Intel, meson, tas2562, rt1015, as well as the usual HD-audio
quirks"
* tag 'sound-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (25 commits)
ALSA: sgio2audio: Remove usage of dropped hw_params/hw_free functions
ALSA: hda/realtek - Enable the headset of ASUS B9450FA with ALC294
ALSA: hda/realtek - Fix silent output on Gigabyte X570 Aorus Master
ALSA: hda/realtek - Add Headset Button supported for ThinkPad X1
ALSA: hda/realtek - Add Headset Mic supported
ASoC: wm8741: Fix typo in Kconfig prompt
ASoC: stm32: sai: manage rebind issue
ASoC: SOF: Fix snd_sof_ipc_stream_posn()
ASoC: rt1015: modify pre-divider for sysclk
ASoC: rt1015: add operation callback function for rt1015_dai[]
ASoC: soc-component: tidyup snd_soc_pcm_component_sync_stop()
ASoC: dapm: Correct DAPM handling of active widgets during shutdown
ASoC: tas2562: Fix sample rate error message
ASoC: Intel: Skylake: Fix available clock counter incrementation
ASoC: soc-pcm/soc-compress: don't use snd_soc_dapm_stream_stop()
ASoC: meson: g12a: add tohdmitx reset
ASoC: pcm512x: Fix unbalanced regulator enable call in probe error path
ASoC: soc-core: fix for_rtd_codec_dai_rollback() macro
ASoC: topology: Fix memleak in soc_tplg_manifest_load()
ASoC: topology: Fix memleak in soc_tplg_link_elems_load()
...
More fixes that have arrived since the merge window, spread out all
over. There's a few things like the operation callback addition for
rt1015 and the meson reset addition which add small new bits of
functionality to fix non-working systems, they're all very small and for
parts of newly added functionality.
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Merge tag 'asoc-fix-v5.6-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.6
More fixes that have arrived since the merge window, spread out all
over. There's a few things like the operation callback addition for
rt1015 and the meson reset addition which add small new bits of
functionality to fix non-working systems, they're all very small and for
parts of newly added functionality.
This Kselftest update for Linux 5.6-rc5 consists of a cleanup patch
to undo changes to global .gitignore that added selftests/lkdtm
objects and add them to a local selftests/lkdtm/.gitignore.
Summary of Linus's comments on local vs. global gitignore scope:
- Keep local gitignore patterns in local files.
- Put only global gitignore patterns in the top-level gitignore file.
Local scope keeps things much better separated. It also incidentally
means that if a directory gets renamed, the gitignore file continues
to work unless in the case of renaming the actual files themselves that
are named in the gitignore.
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Merge tag 'linux-kselftest-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest update from Shuah Khan:
"This consists of a cleanup patch to undo changes to global .gitignore
that added selftests/lkdtm objects and add them to a local
selftests/lkdtm/.gitignore.
Summary of Linus's comments on local vs. global gitignore scope:
- Keep local gitignore patterns in local files.
- Put only global gitignore patterns in the top-level gitignore file.
Local scope keeps things much better separated. It also incidentally
means that if a directory gets renamed, the gitignore file continues
to work unless in the case of renaming the actual files themselves
that are named in the gitignore"
* tag 'linux-kselftest-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftest/lkdtm: Use local .gitignore
This tag contains a handful of fixes that I would like to target for 5.6:
* A pair of fixes to module loading, which we hope solve the last of the issues
with module text being loaded too sparsely for our call relocations.
* A Kconfig fix that disallows selecting memory models not supported by NOMMU.
* A series of Kconfig updates to ease selecting the drivers necessary to run on
QEMU's virt platform.
* DTS updates for SiFive's HiFive Unleashed.
* A fix to our seccomp support that avoids mangling restartable syscalls.
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Merge tag 'riscv-for-linus-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of fixes that I would like to target for 5.6:
- A pair of fixes to module loading, which we hope solve the last of
the issues with module text being loaded too sparsely for our call
relocations.
- A Kconfig fix that disallows selecting memory models not supported
by NOMMU.
- A series of Kconfig updates to ease selecting the drivers necessary
to run on QEMU's virt platform.
- DTS updates for SiFive's HiFive Unleashed.
- A fix to our seccomp support that avoids mangling restartable
syscalls"
* tag 'riscv-for-linus-5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: fix seccomp reject syscall code path
riscv: dts: Add GPIO reboot method to HiFive Unleashed DTS file
RISC-V: Select Goldfish RTC driver for QEMU virt machine
RISC-V: Select SYSCON Reboot and Poweroff for QEMU virt machine
RISC-V: Enable QEMU virt machine support in defconfigs
RISC-V: Add kconfig option for QEMU virt machine
riscv: Fix range looking for kernel image memblock
riscv: Force flat memory model with no-mmu
riscv: Change code model of module to medany to improve data accessing
riscv: avoid the PIC offset of static percpu data in module beyond 2G limits
This makes the script more convenient to run.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fixes for warnings introduced by hierarchical PSCI binding changes
- Fixes for broken doc references due to DT schema conversions
- Several grammar and typo fixes
- Fix a bunch of dtc warnings in examples
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Merge tag 'devicetree-fixes-for-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
"Another batch of DT fixes. I think this should be the last of it, but
sending pull requests seems to cause people to send more fixes.
Summary:
- Fixes for warnings introduced by hierarchical PSCI binding changes
- Fixes for broken doc references due to DT schema conversions
- Several grammar and typo fixes
- Fix a bunch of dtc warnings in examples"
* tag 'devicetree-fixes-for-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: arm: Fixup the DT bindings for hierarchical PSCI states
dt-bindings: power: Extend nodename pattern for power-domain providers
MAINTAINERS: update ALLWINNER CPUFREQ DRIVER entry
dt-bindings: bus: Drop empty compatible string in example
dt-bindings: power: Convert domain-idle-states bindings to json-schema
dt-bindings: arm: Fix cpu compatibles in the hierarchical example for PSCI
dt-bindings: arm: Correct links to idle states definitions
dt-bindings: mfd: Fix typo in file name of twl-familly.txt
dt-bindings: mfd: tps65910: Improve grammar
dt-bindings: mfd: zii,rave-sp: Fix a typo ("onborad")
dt-bindings: arm: fsl: fix APF6Dev compatible
dt-bindings: Fix dtc warnings in examples
docs: dt: fix several broken doc references
docs: dt: fix several broken references due to renames
MAINTAINERS: clean up PCIE DRIVER FOR CAVIUM THUNDERX
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Merge tag 'for-5.6-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"One fixup for DIO when in use with the new checksums, a missed case
where the checksum size was still assuming u32"
* tag 'for-5.6-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix RAID direct I/O reads with alternate csums
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Merge tag 'filelock-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking fixes from Jeff Layton:
"Just a couple of late-breaking patches for the file locking code. The
second patch (from yangerkun) fixes a rather nasty looking potential
use-after-free that should go to stable.
The other patch could technically wait for 5.7, but it's fairly
innocuous so I figured we might as well take it"
* tag 'filelock-v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: fix a potential use-after-free problem when wakeup a waiter
fcntl: Distribute switch variables for initialization
A selection of small fixes, mostly for drivers, that have arrived since
the merge window. None of them are earth shattering in themselves but
all useful for affected systems.
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Merge tag 'spi-fix-v5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A selection of small fixes, mostly for drivers, that have arrived
since the merge window. None of them are earth shattering in
themselves but all useful for affected systems"
* tag 'spi-fix-v5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi_register_controller(): free bus id on error paths
spi: bcm63xx-hsspi: Really keep pll clk enabled
spi: atmel-quadspi: fix possible MMIO window size overrun
spi/zynqmp: remove entry that causes a cs glitch
spi: pxa2xx: Add CS control clock quirk
spi: spidev: Fix CS polarity if GPIO descriptors are used
spi: qup: call spi_qup_pm_resume_runtime before suspending
spi: spi-omap2-mcspi: Support probe deferral for DMA channels
spi: spi-omap2-mcspi: Handle DMA size restriction on AM65x
A couple of small fixes, one for a minor issue in the stm32-vrefbuf
driver and a documentation fix in the Qualcomm code.
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Merge tag 'regulator-fix-v5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of small fixes, one for a minor issue in the stm32-vrefbuf
driver and a documentation fix in the Qualcomm code"
* tag 'regulator-fix-v5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: stm32-vrefbuf: fix a possible overshoot when re-enabling
regulator: qcom_spmi: Fix docs for PM8004
Fix an error return in the adt7462 driver, bad voltage limits
reported by the xdpe12284 driver, and a broken documentation
reference in the adm1177 driver documentation.
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Merge tag 'hwmon-for-v5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Fix an error return in the adt7462 driver, bad voltage limits reported
by the xdpe12284 driver, and a broken documentation reference in the
adm1177 driver documentation"
* tag 'hwmon-for-v5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (adt7462) Fix an error return in ADT7462_REG_VOLT()
hwmon: (pmbus/xdpe12284) Add callback for vout limits conversion
docs: adm1177: fix a broken reference
- Fix misreporting of ASID limit when KPTI is enabled
- Fix busted NULL pointer checks for GICC structure in ACPI PMU code
- Avoid nobbling the "fsl_imx8_ddr" PMU counters when disabling them
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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:
"Here are another three arm64 fixes for 5.6, all pretty minor. Main
thing is fixing a silly bug in the fsl_imx8_ddr PMU driver where we
would zero the counters when disabling them.
- Fix misreporting of ASID limit when KPTI is enabled
- Fix busted NULL pointer checks for GICC structure in ACPI PMU code
- Avoid nobbling the "fsl_imx8_ddr" PMU counters when disabling them"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: context: Fix ASID limit in boot messages
drivers/perf: arm_pmu_acpi: Fix incorrect checking of gicc pointer
drivers/perf: fsl_imx8_ddr: Correct the CLEAR bit definition
