skb allocated by __hci_cmd_sync would not be used whether in checking
for supported iBT hardware variants or after, we should free it in all
error branches, this patch makes the case read version failed or default
error case free skb before return.
Fixes: c86c7285bb ("Bluetooth: btintel: Fix the legacy bootloader returns tlv based version")
Fixes: 019a1caa7f ("Bluetooth: btintel: Refactoring setup routine for bootloader devices")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When attempting to connect multiple ISO sockets without using
DEFER_SETUP may result in the following crash:
BUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0
Read of size 2 at addr 0000000000000036 by task kworker/u3:1/50
CPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted
6.0.0-rc7-02243-gb84a13ff4eda #4373
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
BIOS 1.16.0-1.fc36 04/01/2014
Workqueue: hci0 hci_cmd_sync_work
Call Trace:
<TASK>
dump_stack_lvl+0x19/0x27
kasan_report+0xbc/0xf0
? hci_create_cis_sync+0x18b/0x2b0
hci_create_cis_sync+0x18b/0x2b0
? get_link_mode+0xd0/0xd0
? __ww_mutex_lock_slowpath+0x10/0x10
? mutex_lock+0xe0/0xe0
? get_link_mode+0xd0/0xd0
hci_cmd_sync_work+0x111/0x190
process_one_work+0x427/0x650
worker_thread+0x87/0x750
? process_one_work+0x650/0x650
kthread+0x14e/0x180
? kthread_exit+0x50/0x50
ret_from_fork+0x22/0x30
</TASK>
Fixes: 26afbd826e ("Bluetooth: Add initial implementation of CIS connections")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btintel.c:1041:38: warning: cast to restricted __le32
drivers/bluetooth/btintel.c:1786:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1795:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1796:25: warning: cast to restricted __le16
drivers/bluetooth/btintel.c:1797:25: warning: cast to restricted __le16
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btusb.c:3426:28: warning: cast to restricted __le32
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This fix the following warnings detect with make W=1 C=1:
drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2245:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2249:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2253:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2257:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2261:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2267:18: warning: cast to restricted __le16
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
RTL8723DS is another variant of the RTL8723 WiFi + Bluetooth chip. It is
already supported by the hci_uart/btrtl driver. Document the compatible.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Document the compatible string for BCM43430A0 bluetooth used in lg-lenok
and BCM43430A1 used in asus-sparrow.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
pci_disable_device() need be called while module exiting, switch to use
pcim_enable(), pci_disable_device() will be called in pcim_release()
after probe() failure.
Fixes: ab80b2cec05f ("Bluetooth: hci_bcm4377: Add new driver for BCM4377 PCIe boards")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom BCM4377/4378/4387 are dual WiFi/Bluetooth boards found in Apple
machines. This driver adds support for the Bluetooth function which
exposes a shared memory IPC protocol over PCIe to tunnel HCI traffic.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom 4377 controllers found in Apple x86 Macs with the T2 chip
claim to support extended scanning when querying supported states,
< HCI Command: LE Read Supported St.. (0x08|0x001c) plen 0
> HCI Event: Command Complete (0x0e) plen 12
LE Read Supported States (0x08|0x001c) ncmd 1
Status: Success (0x00)
States: 0x000003ffffffffff
[...]
LE Set Extended Scan Parameters (Octet 37 - Bit 5)
LE Set Extended Scan Enable (Octet 37 - Bit 6)
[...]
, but then fail to actually implement the extended scanning:
< HCI Command: LE Set Extended Sca.. (0x08|0x0041) plen 8
Own address type: Random (0x01)
Filter policy: Accept all advertisement (0x00)
PHYs: 0x01
Entry 0: LE 1M
Type: Active (0x01)
Interval: 11.250 msec (0x0012)
Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
Status: Unknown HCI Command (0x01)
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Broadcom controllers present on Apple Silicon devices use the upper
8 bits of the event type in the LE Extended Advertising Report for
the channel on which the frame has been received.
These bits are reserved according to the Bluetooth spec anyway such that
we can just drop them to ensure that the advertising results are parsed
correctly.
The following excerpt from a btmon trace shows a report received on
channel 37 by these controllers:
> HCI Event: LE Meta Event (0x3e) plen 55
LE Extended Advertising Report (0x0d)
Num reports: 1
Entry 0
Event type: 0x2513
Props: 0x0013
Connectable
Scannable
Use legacy advertising PDUs
Data status: Complete
Reserved (0x2500)
Legacy PDU Type: Reserved (0x2513)
Address type: Public (0x00)
Address: XX:XX:XX:XX:XX:XX (Shenzhen Jingxun Software [...])
Primary PHY: LE 1M
Secondary PHY: No packets
SID: no ADI field (0xff)
TX power: 127 dBm
RSSI: -76 dBm (0xb4)
Periodic advertising interval: 0.00 msec (0x0000)
Direct address type: Public (0x00)
Direct address: 00:00:00:00:00:00 (OUI 00-00-00)
Data length: 0x1d
[...]
Flags: 0x18
Simultaneous LE and BR/EDR (Controller)
Simultaneous LE and BR/EDR (Host)
Company: Harman International Industries, Inc. (87)
Data: [...]
Service Data (UUID 0xfddf):
Name (complete): JBL Flip 5
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add bluetooth controller nodes and the required brcm,board-type
properties to be able to select the correct firmware to all board
device trees.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
These chips are combined Wi-Fi/Bluetooth radios which expose a
PCI subfunction for the Bluetooth part.
They are found in Apple machines such as the x86 models with the T2
chip or the arm64 models with the M1 or M2 chips.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Bluetooth controllers share the common local-bd-address property.
Add a generic YAML schema to replace bluetooth.txt for those.
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
CYW4373A0 is a Wi-Fi + Bluetooth combo device from Cypress.
This chip is present e.g. on muRata 2AE module.
This chip has additional quirk where the HCI command 0xfc45, used on
older chips to switch UART clock from 24 MHz to 48 MHz, to support
baudrates over 3 Mbdps, is no longer recognized by this newer chip.
This newer chip can configure the 4 Mbdps baudrate without the need
to issue HCI command 0xfc45, so add flag to indicate this and do not
issue the command on this chip to avoid failure to set 4 Mbdps baud
rate.
It is not clear whether there is a way to determine which chip does
and which chip does not support the HCI command 0xfc45, other than
trial and error.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
CYW4373A0 is a Wi-Fi + Bluetooth combo device from Cypress.
This chip is present e.g. on muRata 2AE module. Extend the
binding with its DT compatible.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Replace kmalloc+memset by kzalloc
for better readability and simplicity.
This addresses the cocci warning below:
WARNING: kzalloc should be used for d, instead of kmalloc/memset
Signed-off-by: Kang Minchul <tegongkang@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add IDs to usb_device_id table for WCN6855. IDs are extracted from Windows
driver of Lenovo Thinkpad T14 Gen 2(Driver version 1.0.0.1205 Windows 10)
Windows driver download address:
https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/
thinkpad-t-series-laptops/thinkpad-t14-gen-2-type-20xk-20xl/downloads
/driver-list/
Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
'err' is known to be <0 at this point.
So, some cases can not be reached because of a missing "-".
Add it.
Fixes: ca2045e059 ("Bluetooth: Add bt_status")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This adds CONFIG_BT_LE_L2CAP_ECRED which can be used to enable L2CAP
Enhanced Credit Flow Control Mode by default, previously it was only
possible to set it via module parameter (e.g. bluetooth.enable_ecred=1).
Since L2CAP ECRED mode is required by the likes of EATT which is
recommended for LE Audio this enables it by default.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-By: Tedd Ho-Jeong An <tedd.an@intel.com>
poll_sync has been proven to fix races of USB data and event endpoints
so this enables it by default.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
This adds CONFIG_BT_HCIBTUSB_POLL_SYNC which can be used to set the
default behavior of Bluetooth USB controller with respect to poll
synchronization of its endpoits.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
The current version of the configuration structure has unaligned
16-bit fields, but according to the specification [1], access to
the configuration space must be aligned.
Add a second, aligned version of the configuration structure
and a new feature bit indicating that this version is being used.
[1] https://docs.oasis-open.org/virtio/virtio/v1.1/virtio-v1.1.pdf
Signed-off-by: Igor Skalkin <Igor.Skalkin@opensynergy.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When validating the parameter length for MGMT_OP_ADD_EXT_ADV_PARAMS
command, use the correct op code in error status report:
was MGMT_OP_ADD_ADVERTISING, changed to MGMT_OP_ADD_EXT_ADV_PARAMS.
Fixes: 1241057283 ("Bluetooth: Break add adv into two mgmt commands")
Signed-off-by: Inga Stotland <inga.stotland@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
If hci_register_suspend_notifier() returns error, the hdev and rfkill
are leaked. We could disregard the error and print a warning message
instead to avoid leaks, as it just means we won't be handing suspend
requests.
Fixes: 9952d90ea2 ("Bluetooth: Handle PM_SUSPEND_PREPARE and PM_POST_SUSPEND")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Use kzalloc rather than duplicating its implementation, which makes code
simple and easy to understand.
./net/bluetooth/hci_conn.c:2038:6-13: WARNING: kzalloc should be used for cp, instead of kmalloc/memset.
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2406
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Only assign hdev->wakeup if the serial port supports wakeup. Otherwise
it will fall back to the hci_uart_wakeup or the behavior that can be
overridden before calling the hci_uart_register_device().
Signed-off-by: Zhengping Jiang <jiangzp@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
For ISO BIS related functions in hci_conn.c, make dst_type values be HCI
address type values, not ISO socket address type values. This makes it
consistent with CIS functions.
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
For USB ALT 6 settings some Realtek chips need to transmit mSBC data
continuously without the zero length of USB packets.
In this commit, create BTUSB_ALT6_CONTINUOUS_TX to manage the behavior.
Therefore, create REALTEK_ALT6_CONTINUOUS_TX_CHIP to manage the specific
chip model for the behavior.
Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This patch adds a data structure for btrealtek object, and the
definition of vendor behavior flags. It also adds macros to set/test/get
the flags.
Signed-off-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Device removal is clearly out of virtio spec: it attempts to remove
unused buffers from a VQ before invoking device reset. To fix, make
open/close NOPs and do all cleanup/setup in probe/remove.
NB: This is a hacky way to handle this - virtbt_{open,close} as NOP is
not really what a driver is supposed to be doing. These are transport
enable/disable callbacks from the BT core towards the driver. It maps to
a device being enabled/disabled by something like bluetoothd for
example. So if disabled, users expect that no resources/queues are in
use. It does work with all other transports like USB, SDIO, UART etc.
There should be no buffer used if the device is powered off. We also
don’t have any USB URBs in-flight if the transport is not active.
The way to implement a proper fix would be using vq reset if supported,
or even using a full device reset.
The cost of the hack is a single skb wasted on an unused bt device.
NB2: with this fix in place driver still suffers from a race condition
if an interrupt triggers while device is being reset. To fix, in the
virtbt_close() callback we should deactivate all interrupts. To be
fixed.
squashed fixup: bluetooth: virtio_bt: fix an error code in probe()
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220811080943.198245-1-mst@redhat.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Igor Skalkin <Igor.Skalkin@opensynergy.com>
If a command is already sent, we take care of freeing it, but we
also need to cancel the timeout as well.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
force_static_address shall be writable while hdev is initing but is not
considered powered yet since the static address is written only when
powered.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Brian Gix <brian.gix@intel.com>
This attempts to program the address stored in hdev->static_addr after
the init sequence has been complete:
@ MGMT Command: Set Static A.. (0x002b) plen 6
Address: C0:55:44:33:22:11 (Static)
@ MGMT Event: Command Complete (0x0001) plen 7
Set Static Address (0x002b) plen 4
Status: Success (0x00)
Current settings: 0x00008200
Low Energy
Static Address
@ MGMT Event: New Settings (0x0006) plen 4
Current settings: 0x00008200
Low Energy
Static Address
< HCI Command: LE Set Random.. (0x08|0x0005) plen 6
Address: C0:55:44:33:22:11 (Static)
> HCI Event: Command Complete (0x0e) plen 4
LE Set Random Address (0x08|0x0005) ncmd 1
Status: Success (0x00)
@ MGMT Event: Command Complete (0x0001) plen 7
Set Powered (0x0005) plen 4
Status: Success (0x00)
Current settings: 0x00008201
Powered
Low Energy
Static Address
@ MGMT Event: New Settings (0x0006) plen 4
Current settings: 0x00008201
Powered
Low Energy
Static Address
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Brian Gix <brian.gix@intel.com>
The USB interface between the host and the bluetooth adapter used for
SCO packets uses an USB isochronous endpoint with a fragmentation scheme
that does not tolerate errors. Except USB isochronous transfers do
not provide a reliable stream with guaranteed delivery. (There is no
retry on error, see USB spec v2.0 5.6 and 8.5.5.)
To fragment a packet, the bluetooth HCI simply splits it in parts and
transfer them as-is. The receiver is expected to reconstruct the packet
by assuming the first fragment contains the header and parsing its size
field. There is no error detection either.
If a fragment is lost, the end result is that the kernel is no longer
synchronized and will pass malformed data to the upper layers, since it
has no way to tell if the first fragment is an actual first fragment or
a continuation fragment. Resynchronization can only happen by luck and
requires an unbounded amount of time.
The typical symptom for a HSP/HFP bluetooth headset is that the
microphone stops working and dmesg contains piles of rate-limited
"Bluetooth: hci0: SCO packet for unknown connection handle XXXX"
errors for an indeterminate amount of time, until the kernel accidentally
resynchronize.
A workaround is to ask the upper layer to prevalidate the first fragment
header. This is not possible with user channels so this workaround is
disabled in this case.
This problem is the most severe when using an ath3k adapter on an i.MX 6
board, where packet loss occur regularly, possibly because it is an USB1
device connected on an USB2 hub and this is a special case requiring
split transactions.
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
On cmd_timeout with no reset_gpio, reset the USB port as a last
resort.
This patch changes the behavior of btusb_intel_cmd_timeout and
btusb_rtl_cmd_timeout.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@google.com>
Reviewed-by: Ying Hsu <yinghsu@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
In case of suspend/resume and HCI_RESET (BT On and Off),
ISOC endpoint set to alt setting 0 when no SCO connection exists.
This patch shall avoid resetting of ISOC endpoint to alt setting to 0.
Signed-off-by: Chethan Tumkur Narayan <chethan.tumkur.narayan@intel.com>
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
for bare-metal enclaves and KVM guests to mitigate single-step
attacks
* Increase batching to speed up enclave release
* Replace kmap/kunmap_atomic() calls
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Merge tag 'x86_sgx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 sgx updates from Dave Hansen:
"The biggest deal in this series is support for a new hardware feature
that allows enclaves to detect and mitigate single-stepping attacks.
There's also a minor performance tweak and a little piece of the
kmap_atomic() -> kmap_local() transition.
Summary:
- Introduce a new SGX feature (Asynchrounous Exit Notification) for
bare-metal enclaves and KVM guests to mitigate single-step attacks
- Increase batching to speed up enclave release
- Replace kmap/kunmap_atomic() calls"
* tag 'x86_sgx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sgx: Replace kmap/kunmap_atomic() calls
KVM/VMX: Allow exposing EDECCSSA user leaf function to KVM guest
x86/sgx: Allow enclaves to use Asynchrounous Exit Notification
x86/sgx: Reduce delay and interference of enclave release
- Add the cpu_cache_invalidate_memregion() API for cache flushing in
response to physical memory reconfiguration, or memory-side data
invalidation from operations like secure erase or memory-device unlock.
- Add a facility for the kernel to warn about collisions between kernel
and userspace access to PCI configuration registers
- Add support for Restricted CXL Host (RCH) topologies (formerly CXL 1.1)
- Add handling and reporting of CXL errors reported via the PCIe AER
mechanism
- Add support for CXL Persistent Memory Security commands
- Add support for the "XOR" algorithm for CXL host bridge interleave
- Rework / simplify CXL to NVDIMM interactions
- Miscellaneous cleanups and fixes
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Merge tag 'cxl-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl updates from Dan Williams:
"Compute Express Link (CXL) updates for 6.2.
While it may seem backwards, the CXL update this time around includes
some focus on CXL 1.x enabling where the work to date had been with
CXL 2.0 (VH topologies) in mind.
First generation CXL can mostly be supported via BIOS, similar to DDR,
however it became clear there are use cases for OS native CXL error
handling and some CXL 3.0 endpoint features can be deployed on CXL 1.x
hosts (Restricted CXL Host (RCH) topologies). So, this update brings
RCH topologies into the Linux CXL device model.
In support of the ongoing CXL 2.0+ enabling two new core kernel
facilities are added.
One is the ability for the kernel to flag collisions between userspace
access to PCI configuration registers and kernel accesses. This is
brought on by the PCIe Data-Object-Exchange (DOE) facility, a hardware
mailbox over config-cycles.
The other is a cpu_cache_invalidate_memregion() API that maps to
wbinvd_on_all_cpus() on x86. To prevent abuse it is disabled in guest
VMs and architectures that do not support it yet. The CXL paths that
need it, dynamic memory region creation and security commands (erase /
unlock), are disabled when it is not present.
As for the CXL 2.0+ this cycle the subsystem gains support Persistent
Memory Security commands, error handling in response to PCIe AER
notifications, and support for the "XOR" host bridge interleave
algorithm.
Summary:
- Add the cpu_cache_invalidate_memregion() API for cache flushing in
response to physical memory reconfiguration, or memory-side data
invalidation from operations like secure erase or memory-device
unlock.
- Add a facility for the kernel to warn about collisions between
kernel and userspace access to PCI configuration registers
- Add support for Restricted CXL Host (RCH) topologies (formerly CXL
1.1)
- Add handling and reporting of CXL errors reported via the PCIe AER
mechanism
- Add support for CXL Persistent Memory Security commands
- Add support for the "XOR" algorithm for CXL host bridge interleave
- Rework / simplify CXL to NVDIMM interactions
- Miscellaneous cleanups and fixes"
* tag 'cxl-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (71 commits)
cxl/region: Fix memdev reuse check
cxl/pci: Remove endian confusion
cxl/pci: Add some type-safety to the AER trace points
cxl/security: Drop security command ioctl uapi
cxl/mbox: Add variable output size validation for internal commands
cxl/mbox: Enable cxl_mbox_send_cmd() users to validate output size
cxl/security: Fix Get Security State output payload endian handling
cxl: update names for interleave ways conversion macros
cxl: update names for interleave granularity conversion macros
cxl/acpi: Warn about an invalid CHBCR in an existing CHBS entry
tools/testing/cxl: Require cache invalidation bypass
cxl/acpi: Fail decoder add if CXIMS for HBIG is missing
cxl/region: Fix spelling mistake "memergion" -> "memregion"
cxl/regs: Fix sparse warning
cxl/acpi: Set ACPI's CXL _OSC to indicate RCD mode support
tools/testing/cxl: Add an RCH topology
cxl/port: Add RCD endpoint port enumeration
cxl/mem: Move devm_cxl_add_endpoint() from cxl_core to cxl_mem
tools/testing/cxl: Add XOR Math support to cxl_test
cxl/acpi: Support CXL XOR Interleave Math (CXIMS)
...
- Fix race conditions related to thermal device operations that are not
protected against thermal device removal (Guenter Roeck).
- Fix error code in __thermal_cooling_device_register() (Dan Carpenter).
- Validate new cooling device state (coming from user space) in
cur_state_store() and reuse the max_state value from cooling device
structure in the sysfs interface (Viresh Kumar).
- Fix some possible name leaks in error paths in the thermal control
core code (Yang Yingliang).
- Detect TCC lock bit set in the intel_tcc_cooling driver and make it
refuse to update the TCC offset in that case (Zhang Rui).
- Add TCC cooling support for RaptorLake-S (Zhang Rui).
- Prevent accidental clearing of HFI status by one of the other
drivers using the same status register (Srinivas Pandruvada).
- Protect clearing of thermal status bits in Intel thermal control
drivers (Srinivas Pandruvada).
- Allow the HFI thermal control driver to ACK an HFI event for the
previously observed timestamp (Srinivas Pandruvada).
- Remove a pointless die_id check from the HFI thermal driver and
adjust the definition a data structure used by it (Ricardo Neri).
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Merge tag 'thermal-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These include thermal core fixes to protect thermal device operations
against thermal device removal, other thermal core fixes and updates
of Intel thermal control drivers.
Specifics:
- Fix race conditions related to thermal device operations that are
not protected against thermal device removal (Guenter Roeck)
- Fix error code in __thermal_cooling_device_register() (Dan
Carpenter)
- Validate new cooling device state (coming from user space) in
cur_state_store() and reuse the max_state value from cooling device
structure in the sysfs interface (Viresh Kumar)
- Fix some possible name leaks in error paths in the thermal control
core code (Yang Yingliang)
- Detect TCC lock bit set in the intel_tcc_cooling driver and make it
refuse to update the TCC offset in that case (Zhang Rui)
- Add TCC cooling support for RaptorLake-S (Zhang Rui)
- Prevent accidental clearing of HFI status by one of the other
drivers using the same status register (Srinivas Pandruvada)
- Protect clearing of thermal status bits in Intel thermal control
drivers (Srinivas Pandruvada)
- Allow the HFI thermal control driver to ACK an HFI event for the
previously observed timestamp (Srinivas Pandruvada)
- Remove a pointless die_id check from the HFI thermal driver and
adjust the definition a data structure used by it (Ricardo Neri)"
* tag 'thermal-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: hfi: Remove a pointless die_id check
thermal: core: fix some possible name leaks in error paths
thermal: intel: hfi: ACK HFI for the same timestamp
thermal: intel: Protect clearing of thermal status bits
thermal: intel: Prevent accidental clearing of HFI status
thermal/core: Protect thermal device operations against thermal device removal
thermal/core: Remove thermal_zone_set_trips()
thermal/core: Protect sysfs accesses to thermal operations with thermal zone mutex
thermal/core: Protect hwmon accesses to thermal operations with thermal zone mutex
thermal/core: Introduce locked version of thermal_zone_device_update
thermal/core: Move parameter validation from __thermal_zone_get_temp to thermal_zone_get_temp
thermal/core: Ensure that thermal device is registered in thermal_zone_get_temp
thermal/core: Delete device under thermal device zone lock
thermal/core: Destroy thermal zone device mutex in release function
thermal: intel: intel_tcc_cooling: Add TCC cooling support for RaptorLake-S
thermal: intel: intel_tcc_cooling: Detect TCC lock bit
thermal: intel: hfi: Improve the type of hfi_features::nr_table_pages
thermal/core: fix error code in __thermal_cooling_device_register()
thermal: sysfs: Reuse cdev->max_state
thermal: Validate new state in cur_state_store()
- Update the ACPICA code in the kernel to the 20221020 upstream
version and fix a couple of issues in it:
* Make acpi_ex_load_op() match upstream implementation (Rafael
Wysocki).
* Add support for loong_arch-specific APICs in MADT (Huacai Chen).
* Add support for fixed PCIe wake event (Huacai Chen).
* Add EBDA pointer sanity checks (Vit Kabele).
* Avoid accessing VGA memory when EBDA < 1KiB (Vit Kabele).
* Add CCEL table support to both compiler/disassembler (Kuppuswamy
Sathyanarayanan).
* Add a couple of new UUIDs to the known UUID list (Bob Moore).
* Add support for FFH Opregion special context data (Sudeep Holla).
* Improve warning message for "invalid ACPI name" (Bob Moore).
* Add support for CXL 3.0 structures (CXIMS & RDPAS) in the CEDT
table (Alison Schofield).
* Prepare IORT support for revision E.e (Robin Murphy).
* Finish support for the CDAT table (Bob Moore).
* Fix error code path in acpi_ds_call_control_method() (Rafael
Wysocki).
* Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage() (Li
Zetao).
* Update the version of the ACPICA code in the kernel (Bob Moore).
- Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
enumeration code (Giulio Benetti).
- Change the return type of the ACPI driver remove callback to void and
update its users accordingly (Dawei Li).
- Add general support for FFH address space type and implement the low-
level part of it for ARM64 (Sudeep Holla).
- Fix stale comments in the ACPI tables parsing code and make it print
more messages related to MADT (Hanjun Guo, Huacai Chen).
- Replace invocations of generic library functions with more kernel-
specific counterparts in the ACPI sysfs interface (Christophe JAILLET,
Xu Panda).
- Print full name paths of ACPI power resource objects during
enumeration (Kane Chen).
- Eliminate a compiler warning regarding a missing function prototype
in the ACPI power management code (Sudeep Holla).
- Fix and clean up the ACPI processor driver (Rafael Wysocki, Li Zhong,
Colin Ian King, Sudeep Holla).
- Add quirk for the HP Pavilion Gaming 15-cx0041ur to the ACPI EC
driver (Mia Kanashi).
- Add some mew ACPI backlight handling quirks and update some existing
ones (Hans de Goede).
- Make the ACPI backlight driver prefer the native backlight control
over vendor backlight control when possible (Hans de Goede).
- Drop unsetting ACPI APEI driver data on remove (Uwe Kleine-König).
- Use xchg_release() instead of cmpxchg() for updating new GHES cache
slots (Ard Biesheuvel).
- Clean up the ACPI APEI code (Sudeep Holla, Christophe JAILLET, Jay Lu).
- Add new I2C device enumeration quirks for Medion Lifetab S10346 and
Lenovo Yoga Tab 3 Pro (YT3-X90F) (Hans de Goede).
- Make the ACPI battery driver notify user space about adding new
battery hooks and removing the existing ones (Armin Wolf).
- Modify the pfr_update and pfr_telemetry drivers to use ACPI_FREE()
for freeing acpi_object structures to help diagnostics (Wang ShaoBo).
- Make the ACPI fan driver use sysfs_emit_at() in its sysfs interface
code (ye xingchen).
- Fix the _FIF package extraction failure handling in the ACPI fan
driver (Hanjun Guo).
- Fix the PCC mailbox handling error code path (Huisong Li).
- Avoid using PCC Opregions if there is no platform interrupt allocated
for this purpose (Huisong Li).
- Use sysfs_emit() instead of scnprintf() in the ACPI PAD driver and
CPPC library (ye xingchen).
- Fix some kernel-doc issues in the ACPI GSI processing code (Xiongfeng
Wang).
- Fix name memory leak in pnp_alloc_dev() (Yang Yingliang).
- Do not disable PNP devices on suspend when they cannot be re-enabled
on resume (Hans de Goede).
- Clean up the ACPI thermal driver a bit (Rafael Wysocki).
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Merge tag 'acpi-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and PNP updates from Rafael Wysocki:
"These include new code (for instance, support for the FFH address
space type and support for new firmware data structures in ACPICA),
some new quirks (mostly related to backlight handling and I2C
enumeration), a number of fixes and a fair amount of cleanups all
over.
Specifics:
- Update the ACPICA code in the kernel to the 20221020 upstream
version and fix a couple of issues in it:
- Make acpi_ex_load_op() match upstream implementation (Rafael
Wysocki)
- Add support for loong_arch-specific APICs in MADT (Huacai Chen)
- Add support for fixed PCIe wake event (Huacai Chen)
- Add EBDA pointer sanity checks (Vit Kabele)
- Avoid accessing VGA memory when EBDA < 1KiB (Vit Kabele)
- Add CCEL table support to both compiler/disassembler (Kuppuswamy
Sathyanarayanan)
- Add a couple of new UUIDs to the known UUID list (Bob Moore)
- Add support for FFH Opregion special context data (Sudeep
Holla)
- Improve warning message for "invalid ACPI name" (Bob Moore)
- Add support for CXL 3.0 structures (CXIMS & RDPAS) in the CEDT
table (Alison Schofield)
- Prepare IORT support for revision E.e (Robin Murphy)
- Finish support for the CDAT table (Bob Moore)
- Fix error code path in acpi_ds_call_control_method() (Rafael
Wysocki)
- Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage() (Li
Zetao)
- Update the version of the ACPICA code in the kernel (Bob Moore)
- Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
enumeration code (Giulio Benetti)
- Change the return type of the ACPI driver remove callback to void
and update its users accordingly (Dawei Li)
- Add general support for FFH address space type and implement the
low- level part of it for ARM64 (Sudeep Holla)
- Fix stale comments in the ACPI tables parsing code and make it
print more messages related to MADT (Hanjun Guo, Huacai Chen)
- Replace invocations of generic library functions with more kernel-
specific counterparts in the ACPI sysfs interface (Christophe
JAILLET, Xu Panda)
- Print full name paths of ACPI power resource objects during
enumeration (Kane Chen)
- Eliminate a compiler warning regarding a missing function prototype
in the ACPI power management code (Sudeep Holla)
- Fix and clean up the ACPI processor driver (Rafael Wysocki, Li
Zhong, Colin Ian King, Sudeep Holla)
- Add quirk for the HP Pavilion Gaming 15-cx0041ur to the ACPI EC
driver (Mia Kanashi)
- Add some mew ACPI backlight handling quirks and update some
existing ones (Hans de Goede)
- Make the ACPI backlight driver prefer the native backlight control
over vendor backlight control when possible (Hans de Goede)
- Drop unsetting ACPI APEI driver data on remove (Uwe Kleine-König)
- Use xchg_release() instead of cmpxchg() for updating new GHES cache
slots (Ard Biesheuvel)
- Clean up the ACPI APEI code (Sudeep Holla, Christophe JAILLET, Jay
Lu)
- Add new I2C device enumeration quirks for Medion Lifetab S10346 and
Lenovo Yoga Tab 3 Pro (YT3-X90F) (Hans de Goede)
- Make the ACPI battery driver notify user space about adding new
battery hooks and removing the existing ones (Armin Wolf)
- Modify the pfr_update and pfr_telemetry drivers to use ACPI_FREE()
for freeing acpi_object structures to help diagnostics (Wang
ShaoBo)
- Make the ACPI fan driver use sysfs_emit_at() in its sysfs interface
code (ye xingchen)
- Fix the _FIF package extraction failure handling in the ACPI fan
driver (Hanjun Guo)
- Fix the PCC mailbox handling error code path (Huisong Li)
- Avoid using PCC Opregions if there is no platform interrupt
allocated for this purpose (Huisong Li)
- Use sysfs_emit() instead of scnprintf() in the ACPI PAD driver and
CPPC library (ye xingchen)
- Fix some kernel-doc issues in the ACPI GSI processing code
(Xiongfeng Wang)
- Fix name memory leak in pnp_alloc_dev() (Yang Yingliang)
- Do not disable PNP devices on suspend when they cannot be
re-enabled on resume (Hans de Goede)
- Clean up the ACPI thermal driver a bit (Rafael Wysocki)"
* tag 'acpi-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (67 commits)
ACPI: x86: Add skip i2c clients quirk for Medion Lifetab S10346
ACPI: APEI: EINJ: Refactor available_error_type_show()
ACPI: APEI: EINJ: Fix formatting errors
ACPI: processor: perflib: Adjust acpi_processor_notify_smm() return value
ACPI: processor: perflib: Rearrange acpi_processor_notify_smm()
ACPI: processor: perflib: Rearrange unregistration routine
ACPI: processor: perflib: Drop redundant parentheses
ACPI: processor: perflib: Adjust white space
ACPI: processor: idle: Drop unnecessary statements and parens
ACPI: thermal: Adjust critical.flags.valid check
ACPI: fan: Convert to use sysfs_emit_at() API
ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()
ACPI: battery: Call power_supply_changed() when adding hooks
ACPI: use sysfs_emit() instead of scnprintf()
ACPI: x86: Add skip i2c clients quirk for Lenovo Yoga Tab 3 Pro (YT3-X90F)
ACPI: APEI: Remove a useless include
PNP: Do not disable devices on suspend when they cannot be re-enabled on resume
ACPI: processor: Silence missing prototype warnings
ACPI: processor_idle: Silence missing prototype warnings
ACPI: PM: Silence missing prototype warning
...
- Fix nasty and hard to debug race condition introduced by mistake
in the runtime PM core code and clean up that code somewhat on
top of the fix (Rafael Wysocki).
- Generalize of_perf_domain_get_sharing_cpumask phandle format (Hector
Martin).
- Add new cpufreq driver for Apple SoC CPU P-states (Hector Martin).
- Update Qualcomm cpufreq driver, including:
* CPU clock provider support,
* Generic cleanups or reorganization.
* Potential memleak fix.
* Fix of the return value of cpufreq_driver->get().
(Manivannan Sadhasivam, Chen Hui).
- Update Qualcomm cpufreq driver's DT bindings, including:
* Support for CPU clock provider.
* Missing cache-related properties fixes.
* Support for QDU1000/QRU1000.
(Manivannan Sadhasivam, Rob Herring, Melody Olvera).
- Add support for ti,am625 SoC and enable build of ti-cpufreq for
ARCH_K3 (Dave Gerlach, and Vibhore Vardhan).
- Use flexible array to simplify memory allocation in the tegra186
cpufreq driver (Christophe JAILLET).
- Convert cpufreq statistics code to use sysfs_emit_at() (ye xingchen).
- Allow intel_pstate to use no-HWP mode on Sapphire Rapids (Giovanni
Gherdovich).
- Add missing pci_dev_put() to the amd_freq_sensitivity cpufreq driver
(Xiongfeng Wang).
- Initialize the kobj_unregister completion before calling
kobject_init_and_add() in the cpufreq core code (Yongqiang Liu).
- Defer setting boost MSRs in the ACPI cpufreq driver (Stuart Hayes,
Nathan Chancellor).
- Make intel_pstate accept initial EPP value of 0x80 (Srinivas
Pandruvada).
- Make read-only array sys_clk_src in the SPEAr cpufreq driver static
(Colin Ian King).
- Make array speeds in the longhaul cpufreq driver static (Colin Ian
King).
- Use str_enabled_disabled() helper in the ACPI cpufreq driver (Andy
Shevchenko).
- Drop a reference to CVS from cpufreq documentation (Conghui Wang).
- Improve kernel messages printed by the PSCI cpuidle driver (Ulf
Hansson).
- Make the DT cpuidle driver return the correct number of parsed idle
states, clean it up and clarify a comment in it (Ulf Hansson).
- Modify the tasks freezing code to avoid using pr_cont() and refine an
error message printed by it (Rafael Wysocki).
- Make the hibernation core code complain about memory map mismatches
during resume to help diagnostics (Xueqin Luo).
- Fix mistake in a kerneldoc comment in the hibernation code (xiongxin).
- Reverse the order of performance and enabling operations in the
generic power domains code (Abel Vesa).
- Power off[on] domains in hibernate .freeze[thaw]_noirq hook of in the
generic power domains code (Abel Vesa).
- Consolidate genpd_restore_noirq() and genpd_resume_noirq() (Shawn
Guo).
- Pass generic PM noirq hooks to genpd_finish_suspend() (Shawn Guo).
- Drop generic power domain status manipulation during hibernate
restore (Shawn Guo).
- Fix compiler warnings with make W=1 in the idle_inject power capping
driver (Srinivas Pandruvada).
- Use kstrtobool() instead of strtobool() in the power capping sysfs
interface (Christophe JAILLET).
- Add SCMI Powercap based power capping driver (Cristian Marussi).
- Add Emerald Rapids support to the intel-uncore-freq driver (Artem
Bityutskiy).
- Repair slips in kernel-doc comments in the generic notifier code
(Lukas Bulwahn).
- Fix several DT issues in the OPP library reorganize code around
opp-microvolt-<named> DT property (Viresh Kumar).
- Allow any of opp-microvolt, opp-microamp, or opp-microwatt properties
to be present without the others present (James Calligeros).
- Fix clock-latency-ns property in DT example (Serge Semin).
- Add a private governor_data for devfreq governors (Kant Fan).
- Reorganize devfreq code to use device_match_of_node() and
devm_platform_get_and_ioremap_resource() instead of open coding
them (ye xingchen, Minghao Chi).
- Make cpupower choose base_cpu to display default cpupower details
instead of picking CPU 0 (Saket Kumar Bhaskar).
- Add Georgian translation to cpupower documentation (Zurab
Kargareteli).
- Introduce powercap intel-rapl library, powercap-info command, and
RAPL monitor into cpupower (Thomas Renninger).
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Merge tag 'pm-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These include two new drivers (cpufreq driver for Apple SoC CPU
P-states and the SCMI Powercap based power capping driver), other new
hardware support and driver extensions (Qualcomm cpufreq driver and
its DT bindings, TI cpufreq driver, intel_pstate, intel-uncore-freq),
a bunch of fixes and cleanups all over and a cpupower utility update
including new features related to RAPL support.
Specifics:
- Fix nasty and hard to debug race condition introduced by mistake in
the runtime PM core code and clean up that code somewhat on top of
the fix (Rafael Wysocki)
- Generalize of_perf_domain_get_sharing_cpumask phandle format
(Hector Martin)
- Add new cpufreq driver for Apple SoC CPU P-states (Hector Martin)
- Update Qualcomm cpufreq driver (Manivannan Sadhasivam, Chen Hui):
- CPU clock provider support
- Generic cleanups or reorganization
- Potential memleak fix
- Fix of the return value of cpufreq_driver->get()
- Update Qualcomm cpufreq driver's DT bindings (Manivannan
Sadhasivam, Rob Herring, Melody Olvera):
- Support for CPU clock provider
- Missing cache-related properties fixes
- Support for QDU1000/QRU1000
- Add support for ti,am625 SoC and enable build of ti-cpufreq for
ARCH_K3 (Dave Gerlach, and Vibhore Vardhan)
- Use flexible array to simplify memory allocation in the tegra186
cpufreq driver (Christophe JAILLET)
- Convert cpufreq statistics code to use sysfs_emit_at() (ye
xingchen)
- Allow intel_pstate to use no-HWP mode on Sapphire Rapids (Giovanni
Gherdovich)
- Add missing pci_dev_put() to the amd_freq_sensitivity cpufreq
driver (Xiongfeng Wang)
- Initialize the kobj_unregister completion before calling
kobject_init_and_add() in the cpufreq core code (Yongqiang Liu)
- Defer setting boost MSRs in the ACPI cpufreq driver (Stuart Hayes,
Nathan Chancellor)
- Make intel_pstate accept initial EPP value of 0x80 (Srinivas
Pandruvada)
- Make read-only array sys_clk_src in the SPEAr cpufreq driver static
(Colin Ian King)
- Make array speeds in the longhaul cpufreq driver static (Colin Ian
King)
- Use str_enabled_disabled() helper in the ACPI cpufreq driver (Andy
Shevchenko)
- Drop a reference to CVS from cpufreq documentation (Conghui Wang)
- Improve kernel messages printed by the PSCI cpuidle driver (Ulf
Hansson)
- Make the DT cpuidle driver return the correct number of parsed idle
states, clean it up and clarify a comment in it (Ulf Hansson)
- Modify the tasks freezing code to avoid using pr_cont() and refine
an error message printed by it (Rafael Wysocki)
- Make the hibernation core code complain about memory map mismatches
during resume to help diagnostics (Xueqin Luo)
- Fix mistake in a kerneldoc comment in the hibernation code
(xiongxin)
- Reverse the order of performance and enabling operations in the
generic power domains code (Abel Vesa)
- Power off[on] domains in hibernate .freeze[thaw]_noirq hook of in
the generic power domains code (Abel Vesa)
- Consolidate genpd_restore_noirq() and genpd_resume_noirq() (Shawn
Guo)
- Pass generic PM noirq hooks to genpd_finish_suspend() (Shawn Guo)
- Drop generic power domain status manipulation during hibernate
restore (Shawn Guo)
- Fix compiler warnings with make W=1 in the idle_inject power
capping driver (Srinivas Pandruvada)
- Use kstrtobool() instead of strtobool() in the power capping sysfs
interface (Christophe JAILLET)
- Add SCMI Powercap based power capping driver (Cristian Marussi)
- Add Emerald Rapids support to the intel-uncore-freq driver (Artem
Bityutskiy)
- Repair slips in kernel-doc comments in the generic notifier code
(Lukas Bulwahn)
- Fix several DT issues in the OPP library reorganize code around
opp-microvolt-<named> DT property (Viresh Kumar)
- Allow any of opp-microvolt, opp-microamp, or opp-microwatt
properties to be present without the others present (James
Calligeros)
- Fix clock-latency-ns property in DT example (Serge Semin)
- Add a private governor_data for devfreq governors (Kant Fan)
- Reorganize devfreq code to use device_match_of_node() and
devm_platform_get_and_ioremap_resource() instead of open coding
them (ye xingchen, Minghao Chi)
- Make cpupower choose base_cpu to display default cpupower details
instead of picking CPU 0 (Saket Kumar Bhaskar)
- Add Georgian translation to cpupower documentation (Zurab
Kargareteli)
- Introduce powercap intel-rapl library, powercap-info command, and
RAPL monitor into cpupower (Thomas Renninger)"
* tag 'pm-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
PM: runtime: Adjust white space in the core code
cpufreq: Remove CVS version control contents from documentation
cpufreq: stats: Convert to use sysfs_emit_at() API
cpufreq: ACPI: Only set boost MSRs on supported CPUs
PM: sleep: Refine error message in try_to_freeze_tasks()
PM: sleep: Avoid using pr_cont() in the tasks freezing code
PM: runtime: Relocate rpm_callback() right after __rpm_callback()
PM: runtime: Do not call __rpm_callback() from rpm_idle()
PM / devfreq: event: use devm_platform_get_and_ioremap_resource()
PM / devfreq: event: Use device_match_of_node()
PM / devfreq: Use device_match_of_node()
powercap: idle_inject: Fix warnings with make W=1
PM: hibernate: Complain about memory map mismatches during resume
dt-bindings: cpufreq: cpufreq-qcom-hw: Add QDU1000/QRU1000 cpufreq
cpufreq: tegra186: Use flexible array to simplify memory allocation
cpupower: rapl monitor - shows the used power consumption in uj for each rapl domain
cpupower: Introduce powercap intel-rapl library and powercap-info command
cpupower: Add Georgian translation
cpufreq: intel_pstate: Add Sapphire Rapids support in no-HWP mode
cpufreq: amd_freq_sensitivity: Add missing pci_dev_put()
...
Currently the KTAP specification says that a test result line is
<result> <number> [<description>][ # [<directive>] [<diagnostic data>]]
and the description of a test can be "any sequence of words
(can't include #)" which specifies that there may be more than
one word but does not specify anything other than those words
which might be used to separate the words which probably isn't
what we want. Given that practically we have tests using a range
of separators for words including combinations of spaces and
combinations of other symbols like underscores or punctuation
let's just clarify that the description can contain any character
other than # (marking the start of the directive/diagnostic) or
newline (marking the end of this test result).
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Use macros, VISIBLE_IF_KUNIT and EXPORT_SYMBOL_IF_KUNIT, to allow
static symbols to be conditionally set to be visible during
apparmor_policy_unpack_test, which removes the need to include the testing
file in the implementation file.
Change the namespace of the symbols that are now conditionally visible (by
adding the prefix aa_) to avoid confusion with symbols of the same name.
Allow the test to be built as a module and namespace the module name from
policy_unpack_test to apparmor_policy_unpack_test to improve clarity of
the module name.
Provide an example of how static symbols can be dealt with in testing.
Signed-off-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Create two macros:
VISIBLE_IF_KUNIT - A macro that sets symbols to be static if CONFIG_KUNIT
is not enabled. Otherwise if CONFIG_KUNIT is enabled there is no change to
the symbol definition.
EXPORT_SYMBOL_IF_KUNIT(symbol) - Exports symbol into
EXPORTED_FOR_KUNIT_TESTING namespace only if CONFIG_KUNIT is enabled. Must
use MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING) in test file in order to
use symbols.
Signed-off-by: Rae Moar <rmoar@google.com>
Reviewed-by: John Johansen <john.johansen@canonical.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
