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Merge tag 'pci-v6.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fixes from Bjorn Helgaas:
- Revert a quirk that prevented Secondary Bus Reset for LSI / Agere
FW643.
We thought the device was broken, but the reset does work correctly
on other platforms, and the reset avoids leaking data out of VMs
(Bjorn Helgaas)
- Update MAINTAINERS to reflect that Gustavo Pimentel is no longer
reachable (Manivannan Sadhasivam)
* tag 'pci-v6.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
Revert "PCI: Mark LSI FW643 to avoid bus reset"
MAINTAINERS: Drop Gustavo Pimentel as PCI DWC Maintainer
Add MODULE_DEVICE_TABLE(), so the module could be properly autoloaded
based on the alias from of_device_id table.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Merge tag 'block-6.9-20240412' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- MD pull request via Song:
- UAF fix (Yu)
- Avoid out-of-bounds shift in blk-iocost (Rik)
- Fix for q->blkg_list corruption (Ming)
- Relax virt boundary mask/size segment checking (Ming)
* tag 'block-6.9-20240412' of git://git.kernel.dk/linux:
block: fix that blk_time_get_ns() doesn't update time after schedule
block: allow device to have both virt_boundary_mask and max segment size
block: fix q->blkg_list corruption during disk rebind
blk-iocost: avoid out of bounds shift
raid1: fix use-after-free for original bio in raid1_write_request()
The ACPI DSDT of the Surface Pro X (SQ2) specifies the interrupts for
the secondary UBS controller as
Name (_CRS, ResourceTemplate ()
{
Interrupt (ResourceConsumer, Level, ActiveHigh, Shared, ,, )
{
0x000000AA,
}
Interrupt (ResourceConsumer, Level, ActiveHigh, SharedAndWake, ,, )
{
0x000000A7, // hs_phy_irq: &intc GIC_SPI 136
}
Interrupt (ResourceConsumer, Level, ActiveHigh, SharedAndWake, ,, )
{
0x00000228, // ss_phy_irq: &pdc 40
}
Interrupt (ResourceConsumer, Edge, ActiveHigh, SharedAndWake, ,, )
{
0x0000020A, // dm_hs_phy_irq: &pdc 10
}
Interrupt (ResourceConsumer, Edge, ActiveHigh, SharedAndWake, ,, )
{
0x0000020B, // dp_hs_phy_irq: &pdc 11
}
})
Generally, the interrupts above 0x200 map to the PDC interrupts (as used
in the devicetree) as ACPI_NUMBER - 0x200. Note that this lines up with
dm_hs_phy_irq and dp_hs_phy_irq (as well as the interrupts for the
primary USB controller).
Based on the snippet above, ss_phy_irq should therefore be PDC 40 (=
0x28) and not PDC 7. The latter is according to ACPI instead used as
ss_phy_irq for port 0 of the multiport USB controller). Fix this by
setting ss_phy_irq to '&pdc 40'.
Fixes: b080f53a8f ("arm64: dts: qcom: sc8180x: Add remoteprocs, wifi and usb nodes")
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20240328022224.336938-1-luzmaximilian@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
While adding the GIC ITS MSI support, it was found that the msi-map entries
needed to be swapped to receive MSIs from the endpoint.
But later it was identified that the swapping was needed due to a bug in
the Qualcomm PCIe controller driver. And since the bug is now fixed with
commit bf79e33cdd ("PCI: qcom: Enable BDF to SID translation properly"),
let's fix the msi-map entries also to reflect the actual mapping in the
hardware.
Fixes: a33a532b3b ("arm64: dts: qcom: sm8650: Use GIC-ITS for PCIe0 and PCIe1")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD
Link: https://lore.kernel.org/r/20240318-pci-bdf-sid-fix-v1-3-acca6c5d9cf1@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
While adding the GIC ITS MSI support, it was found that the msi-map entries
needed to be swapped to receive MSIs from the endpoint.
But later it was identified that the swapping was needed due to a bug in
the Qualcomm PCIe controller driver. And since the bug is now fixed with
commit bf79e33cdd ("PCI: qcom: Enable BDF to SID translation properly"),
let's fix the msi-map entries also to reflect the actual mapping in the
hardware.
Fixes: 114990ce3e ("arm64: dts: qcom: sm8550: Use GIC-ITS for PCIe0 and PCIe1")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Link: https://lore.kernel.org/r/20240318-pci-bdf-sid-fix-v1-2-acca6c5d9cf1@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
While adding the GIC ITS MSI support, it was found that the msi-map entries
needed to be swapped to receive MSIs from the endpoint.
But later it was identified that the swapping was needed due to a bug in
the Qualcomm PCIe controller driver. And since the bug is now fixed with
commit bf79e33cdd ("PCI: qcom: Enable BDF to SID translation properly"),
let's fix the msi-map entries also to reflect the actual mapping in the
hardware.
Cc: stable@vger.kernel.org # 6.3: bf79e33cdd ("PCI: qcom: Enable BDF to SID translation properly")
Fixes: ff384ab56f ("arm64: dts: qcom: sm8450: Use GIC-ITS for PCIe0 and PCIe1")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240318-pci-bdf-sid-fix-v1-1-acca6c5d9cf1@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The compatible's for the cluster/domain idle states of x1e80100
are wrong, fix it.
Fixes: af16b00578 ("arm64: dts: qcom: Add base X1E80100 dtsi and the QCP dts")
Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240317132918.1068817-1-quic_rjendra@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
The code in qcom_q6v5_init() requests the "wdog" IRQ as
IRQF_TRIGGER_RISING. If dt defines the interrupt type as LEVEL_HIGH then
the driver will have issues getting the IRQ again after probe deferral
with an error like:
irq: type mismatch, failed to map hwirq-14 for interrupt-controller@b220000!
Fix that by updating the devicetrees to use IRQ_TYPE_EDGE_RISING for
these interrupts, as is already used in most dt's. Also the driver was
already using the interrupts with that type.
Fixes: 3658e411ef ("arm64: dts: qcom: sc7280: Add ADSP node")
Fixes: df62402e5f ("arm64: dts: qcom: sc7280: Add CDSP node")
Fixes: 152d1faf1e ("arm64: dts: qcom: add SC8280XP platform")
Fixes: 8eb5287e8a ("arm64: dts: qcom: sm6350: Add CDSP nodes")
Fixes: efc33c969f ("arm64: dts: qcom: sm6350: Add ADSP nodes")
Fixes: fe6fd26aed ("arm64: dts: qcom: sm6375: Add ADSP&CDSP")
Fixes: 23a8903785 ("arm64: dts: qcom: sm8250: Add remoteprocs")
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20240219-remoteproc-irqs-v1-1-c5aeb02334bd@fairphone.com
[bjorn: Added fixes references]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Merge tag 'io_uring-6.9-20240412' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix for sigmask restoring while waiting for events (Alexey)
- Typo fix in comment (Haiyue)
- Fix for a msg_control retstore on SEND_ZC retries (Pavel)
* tag 'io_uring-6.9-20240412' of git://git.kernel.dk/linux:
io-uring: correct typo in comment for IOU_F_TWQ_LAZY_WAKE
io_uring/net: restore msg_control on sendzc retry
io_uring: Fix io_cqring_wait() not restoring sigmask on get_timespec64() failure
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Merge tag 'ceph-for-6.9-rc4' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Two CephFS fixes marked for stable and a MAINTAINERS update"
* tag 'ceph-for-6.9-rc4' of https://github.com/ceph/ceph-client:
MAINTAINERS: remove myself as a Reviewer for Ceph
ceph: switch to use cap_delay_lock for the unlink delay list
ceph: redirty page before returning AOP_WRITEPAGE_ACTIVATE
Commit d96c36004e ("tracing: Fix FTRACE_RECORD_RECURSION_SIZE Kconfig
entry") removed a hidden tab because it apparently showed breakage in
some third-party kernel config parsing tool.
It wasn't clear what tool it was, but let's make sure it gets fixed.
Because if you can't parse tabs as whitespace, you should not be parsing
the kernel Kconfig files.
In fact, let's make such breakage more obvious than some esoteric ftrace
record size option. If you can't parse tabs, you can't have page sizes.
Yes, tab-vs-space confusion is sadly a traditional Unix thing, and
'make' is famous for being broken in this regard. But no, that does not
mean that it's ok.
I'd add more random tabs to our Kconfig files, but I don't want to make
things uglier than necessary. But it *might* bbe necessary if it turns
out we see more of this kind of silly tooling.
Fixes: d96c36004e ("tracing: Fix FTRACE_RECORD_RECURSION_SIZE Kconfig entry")
Link: https://lore.kernel.org/lkml/CAHk-=wj-hLLN_t_m5OL4dXLaxvXKy_axuoJYXif7iczbfgAevQ@mail.gmail.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix the buffer_percent accounting as it is dependent on three variables:
1) pages_read - number of subbuffers read
2) pages_lost - number of subbuffers lost due to overwrite
3) pages_touched - number of pages that a writer entered
These three counters only increment, and to know how many active pages
there are on the buffer at any given time, the pages_read and
pages_lost are subtracted from pages_touched. But the pages touched
was incremented whenever any writer went to the next subbuffer even
if it wasn't the only one, so it was incremented more than it should
be causing the counter for how many subbuffers currently have content
incorrect, which caused the buffer_percent that holds waiters until
the ring buffer is filled to a given percentage to wake up early.
- Fix warning of unused functions when PERF_EVENTS is not configured in
- Replace bad tab with space in Kconfig for FTRACE_RECORD_RECURSION_SIZE
- Fix to some kerneldoc function comments in eventfs code.
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Merge tag 'trace-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix the buffer_percent accounting as it is dependent on three
variables:
1) pages_read - number of subbuffers read
2) pages_lost - number of subbuffers lost due to overwrite
3) pages_touched - number of pages that a writer entered
These three counters only increment, and to know how many active
pages there are on the buffer at any given time, the pages_read and
pages_lost are subtracted from pages_touched.
But the pages touched was incremented whenever any writer went to the
next subbuffer even if it wasn't the only one, so it was incremented
more than it should be causing the counter for how many subbuffers
currently have content incorrect, which caused the buffer_percent
that holds waiters until the ring buffer is filled to a given
percentage to wake up early.
- Fix warning of unused functions when PERF_EVENTS is not configured in
- Replace bad tab with space in Kconfig for FTRACE_RECORD_RECURSION_SIZE
- Fix to some kerneldoc function comments in eventfs code.
* tag 'trace-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Only update pages_touched when a new page is touched
tracing: hide unused ftrace_event_id_fops
tracing: Fix FTRACE_RECORD_RECURSION_SIZE Kconfig entry
eventfs: Fix kernel-doc comments to functions
We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for
static_command_line, but the strings copied into static_command_line are
extra_command_line and command_line, rather than extra_command_line and
boot_command_line.
When strlen(command_line) > strlen(boot_command_line), static_command_line
will overflow.
This patch just recovers strlen(command_line) which was miss-consolidated
with strlen(boot_command_line) in the commit f5c7310ac7 ("init/main: add
checks for the return value of memblock_alloc*()")
Link: https://lore.kernel.org/all/20240412081733.35925-2-ytcoode@gmail.com/
Fixes: f5c7310ac7 ("init/main: add checks for the return value of memblock_alloc*()")
Cc: stable@vger.kernel.org
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
The alternative stub functions are listed as global, which produces
a build failure in some configs:
In file included from drivers/accel/qaic/qaic_drv.c:31:
drivers/accel/qaic/qaic_debugfs.h:16:5: error: no previous prototype for 'qaic_bootlog_register' [-Werror=missing-prototypes]
16 | int qaic_bootlog_register(void) { return 0; }
| ^~~~~~~~~~~~~~~~~~~~~
drivers/accel/qaic/qaic_debugfs.h:17:6: error: no previous prototype for 'qaic_bootlog_unregister' [-Werror=missing-prototypes]
17 | void qaic_bootlog_unregister(void) {}
| ^~~~~~~~~~~~~~~~~~~~~~~
drivers/accel/qaic/qaic_debugfs.h:18:6: error: no previous prototype for 'qaic_debugfs_init' [-Werror=missing-prototypes]
18 | void qaic_debugfs_init(struct qaic_drm_device *qddev) {}
| ^~~~~~~~~~~~~~~~~
Make them static inline as intended.
Fixes: 5f8df5c6de ("accel/qaic: Add bootlog debugfs")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240409133945.2976190-1-arnd@kernel.org
The AIC100 secondary bootloader uses the Sahara protocol for two
purposes - loading the runtime firmware images from the host, and
offloading crashdumps to the host. The crashdump functionality is only
invoked when the AIC100 device encounters a crash and dumps are enabled.
Also the collection of the dump is optional - the host can reject
collecting the dump.
The Sahara protocol contains many features and modes including firmware
upload, crashdump download, and client commands. For simplicity,
implement the parts of the protocol needed for loading firmware to the
device.
Fundamentally, the Sahara protocol is an embedded file transfer
protocol. Both sides negotiate a connection through a simple exchange of
hello messages. After handshaking through a hello message, the device
either sends a message requesting images, or a message advertising the
memory dump available for the host. For image transfer, the remote device
issues a read data request that provides an image (by ID), an offset, and
a length. The host has an internal mapping of image IDs to filenames. The
host is expected to access the image and transfer the requested chunk to
the device. The device can issue additional read requests, or signal that
it has consumed enough data from this image with an end of image message.
The host confirms the end of image, and the device can proceed with
another image by starting over with the hello exchange again.
Some images may be optional, and only provided as part of a provisioning
flow. The host is not aware of this information, and thus should report
an error to the device when an image is not available. The device will
evaluate if the image is required or not, and take the appropriate
action.
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240322034917.3522388-1-quic_jhugo@quicinc.com
If the device is unplugged and CONFIG_IIO is not supported, this will
result in a warning message at kernel/workqueue.
Only cancel delayed work in mcp2221_remove(), when CONFIG_IIO is enabled.
Signed-off-by: Abdelrahman Morsy <abdelrahmanhesham94@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
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Merge tag 'mips-fixes_6.9_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fix from Thomas Bogendoerfer:
"Fix for syscall_get_nr() to make it work even if tracing is disabled"
* tag 'mips-fixes_6.9_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: scall: Save thread_info.syscall unconditionally on entry
client:
- Protect connector modes with mode_config mutex
ast:
- Fix soft lockup
host1x:
- Do not setup DMA for virtual addresses
ivpu:
- Fix deadlock in context_xa
- PCI fixes
- Fixes to error handling
nouveau:
- gsp: Fix OOB access
- Fix casting
panfrost:
- Fix error path in MMU code
qxl:
- Revert "drm/qxl: simplify qxl_fence_wait"
vmwgfx:
- Enable DMA for SEV mappings
i915:
- Couple CDCLK programming fixes
- HDCP related fix
- 4 Bigjoiner related fixes
- Fix for a circular locking around GuC on reset+wedged case
xe:
- Fix double display mutex initializations
- Fix u32 -> u64 implicit conversions
- Fix RING_CONTEXT_CONTROL not marked as masked
msm:
- DP refcount leak fix on disconnect
- Add missing newlines to prints in msm_fb and msm_kms
- fix dpu debugfs entry permissions
- Fix the interface table for the catalog of X1E80100
- fix irq message printing
- Bindings fix to add DP node as child of mdss for mdss node
- Minor typo fix in DP driver API which handles port status change
- fix CHRASHDUMP_READ()
- fix HHB (highest bank bit) for a619 to fix UBWC corruption
amdgpu:
- GPU reset fixes
- Fix some confusing logging
- UMSCH fix
- Aborted suspend fix
- DCN 3.5 fixes
- S4 fix
- MES logging fixes
- SMU 14 fixes
- SDMA 4.4.2 fix
- KASAN fix
- SMU 13.0.10 fix
- VCN partition fix
- GFX11 fixes
- DWB fixes
- Plane handling fix
- FAMS fix
- DCN 3.1.6 fix
- VSC SDP fixes
- OLED panel fix
- GFX 11.5 fix
amdkfd:
- GPU reset fixes
- fix ioctl integer overflow
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Merge tag 'drm-fixes-2024-04-12' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Looks like everyone woke up after holidays, this weeks pull has a
bunch of stuff all over, 2 weeks worth of amdgpu is a lot of it, then
i915/xe have a few, a bunch of msm fixes, then some scattered driver
fixes.
I expect things will settle down for rc5.
client:
- Protect connector modes with mode_config mutex
ast:
- Fix soft lockup
host1x:
- Do not setup DMA for virtual addresses
ivpu:
- Fix deadlock in context_xa
- PCI fixes
- Fixes to error handling
nouveau:
- gsp: Fix OOB access
- Fix casting
panfrost:
- Fix error path in MMU code
qxl:
- Revert "drm/qxl: simplify qxl_fence_wait"
vmwgfx:
- Enable DMA for SEV mappings
i915:
- Couple CDCLK programming fixes
- HDCP related fix
- 4 Bigjoiner related fixes
- Fix for a circular locking around GuC on reset+wedged case
xe:
- Fix double display mutex initializations
- Fix u32 -> u64 implicit conversions
- Fix RING_CONTEXT_CONTROL not marked as masked
msm:
- DP refcount leak fix on disconnect
- Add missing newlines to prints in msm_fb and msm_kms
- fix dpu debugfs entry permissions
- Fix the interface table for the catalog of X1E80100
- fix irq message printing
- Bindings fix to add DP node as child of mdss for mdss node
- Minor typo fix in DP driver API which handles port status change
- fix CHRASHDUMP_READ()
- fix HHB (highest bank bit) for a619 to fix UBWC corruption
amdgpu:
- GPU reset fixes
- Fix some confusing logging
- UMSCH fix
- Aborted suspend fix
- DCN 3.5 fixes
- S4 fix
- MES logging fixes
- SMU 14 fixes
- SDMA 4.4.2 fix
- KASAN fix
- SMU 13.0.10 fix
- VCN partition fix
- GFX11 fixes
- DWB fixes
- Plane handling fix
- FAMS fix
- DCN 3.1.6 fix
- VSC SDP fixes
- OLED panel fix
- GFX 11.5 fix
amdkfd:
- GPU reset fixes
- fix ioctl integer overflow"
* tag 'drm-fixes-2024-04-12' of https://gitlab.freedesktop.org/drm/kernel: (65 commits)
amdkfd: use calloc instead of kzalloc to avoid integer overflow
drm/xe: Label RING_CONTEXT_CONTROL as masked
drm/xe/xe_migrate: Cast to output precision before multiplying operands
drm/xe/hwmon: Cast result to output precision on left shift of operand
drm/xe/display: Fix double mutex initialization
drm/amdgpu: differentiate external rev id for gfx 11.5.0
drm/amd/display: Adjust dprefclk by down spread percentage.
drm/amd/display: Set VSC SDP Colorimetry same way for MST and SST
drm/amd/display: Program VSC SDP colorimetry for all DP sinks >= 1.4
drm/amd/display: fix disable otg wa logic in DCN316
drm/amd/display: Do not recursively call manual trigger programming
drm/amd/display: always reset ODM mode in context when adding first plane
drm/amdgpu: fix incorrect number of active RBs for gfx11
drm/amd/display: Return max resolution supported by DWB
amd/amdkfd: sync all devices to wait all processes being evicted
drm/amdgpu: clear set_q_mode_offs when VM changed
drm/amdgpu: Fix VCN allocation in CPX partition
drm/amd/pm: fix the high voltage issue after unload
drm/amd/display: Skip on writeback when it's not applicable
drm/amdgpu: implement IRQ_STATE_ENABLE for SDMA v4.4.2
...
While monitoring the throttle time of IO from iocost, it's found that
such time is always zero after the io_schedule() from ioc_rqos_throttle,
for example, with the following debug patch:
+ printk("%s-%d: %s enter %llu\n", current->comm, current->pid, __func__, blk_time_get_ns());
while (true) {
set_current_state(TASK_UNINTERRUPTIBLE);
if (wait.committed)
break;
io_schedule();
}
+ printk("%s-%d: %s exit %llu\n", current->comm, current->pid, __func__, blk_time_get_ns());
It can be observerd that blk_time_get_ns() always return the same time:
[ 1068.096579] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.272587] fio-1268: ioc_rqos_throttle exit 1067901962288
[ 1068.274389] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.472690] fio-1268: ioc_rqos_throttle exit 1067901962288
[ 1068.474485] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.672656] fio-1268: ioc_rqos_throttle exit 1067901962288
[ 1068.674451] fio-1268: ioc_rqos_throttle enter 1067901962288
[ 1068.872655] fio-1268: ioc_rqos_throttle exit 1067901962288
And I think the root cause is that 'PF_BLOCK_TS' is always cleared
by blk_flush_plug() before scheduel(), hence blk_plug_invalidate_ts()
will never be called:
blk_time_get_ns
plug->cur_ktime = ktime_get_ns();
current->flags |= PF_BLOCK_TS;
io_schedule:
io_schedule_prepare
blk_flush_plug
__blk_flush_plug
/* the flag is cleared, while time is not */
current->flags &= ~PF_BLOCK_TS;
schedule
sched_update_worker
/* the flag is not set, hence plug->cur_ktime is not cleared */
if (tsk->flags & PF_BLOCK_TS)
blk_plug_invalidate_ts()
blk_time_get_ns
/* got the time stashed before schedule */
return plug->cur_ktime;
Fix the problem by clearing cached time in __blk_flush_plug().
Fixes: 06b23f92af ("block: update cached timestamp post schedule/preemption")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240411032349.3051233-2-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There are few knobs inside GuC firmware to control VFs scheduling.
Add basic functions to support their reconfigurations.
We will start using them shortly once we prepare debugfs.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240410170338.1199-6-michal.wajdeczko@intel.com
Many of the GuC actions use KLVs to pass additional parameters or
configuration data. Add few helper functions for better reporting
any information related to KLVs.
Cc: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Acked-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240410170338.1199-5-michal.wajdeczko@intel.com
In upcoming patches the PF driver will add support to change GuC
policies and will need to use PF2GUC_UPDATE_VGT_POLICY messages.
Add necessary definitions to our GuC firmware ABI header.
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240410170338.1199-4-michal.wajdeczko@intel.com
PF driver will maintain VF's configuration data mostly on the
GT level, but some internal data is located at the device level.
To allow easy access to that data from the GT level functions, and
to minimize code duplications, introduce set of helper functions
and macros for explicit use by the PF driver.
We will use these helpers in upcoming patches.
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240410170338.1199-3-michal.wajdeczko@intel.com
PF driver will maintain configurations and resources for every VF
and this data could span multiple tiles and/or GTs. Prepare mutex
to protect data that we will add in upcoming patches.
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240410170338.1199-2-michal.wajdeczko@intel.com
Add traces when queueing and delivering fake IRBs. These are significant
events that might have an impact on device driver processing and are
therefore relevant for problem analysis.
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
A race condition exists in ccw_device_set_online() that can cause the
online process to fail, leaving the affected device in an inconsistent
state. As a result, subsequent attempts to set that device online fail
with return code ENODEV.
The problem occurs when a path verification request arrives after
a wait for final device state completed, but before the result state
is evaluated.
Fix this by ensuring that the CCW-device lock is held between
determining final state and checking result state.
Note that since:
commit 2297791c92 ("s390/cio: dont unregister subchannel from child-drivers")
path verification requests are much more likely to occur during boot,
resulting in an increased chance of this race condition occurring.
Fixes: 2297791c92 ("s390/cio: dont unregister subchannel from child-drivers")
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
A deferred condition code 1 response indicates that I/O was not started
and should be retried. The current QDIO implementation handles a cc1
response as I/O error, resulting in a failed QDIO setup. This can happen
for example when a path verification request arrives at the same time
as QDIO setup I/O is started.
Fix this by retrying the QDIO setup I/O when a cc1 response is received.
Note that since
commit 2297791c92 ("s390/cio: dont unregister subchannel from child-drivers")
commit 5ef1dc40ff ("s390/cio: fix invalid -EBUSY on ccw_device_start")
deferred cc1 responses are much more likely to occur. See the commit
message of the latter for more background information.
Fixes: 2297791c92 ("s390/cio: dont unregister subchannel from child-drivers")
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Backmerging drm-next in order to get up-to-date and in particular
to access commit 9ca5facd04.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This is an effort to unify hmmptr (aka system allocator)
and userptr code. hmm_range_fault is used to populate
a virtual address range for both hmmptr and userptr,
instead of hmmptr using hmm_range_fault and userptr
using get_user_pages_fast.
This also aligns with AMD gpu driver's behavior. In
long term, we plan to put some common helpers in this
area to drm layer so it can be re-used by different
vendors.
-v1
use the function with parameter to confirm whether lock is
acquired by the caller or needs to be acquired in hmm_range_fault.
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Oak Zeng <oak.zeng@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412095237.1048599-3-himal.prasad.ghimiray@intel.com
Introduce a helper function xe_userptr_populate_range to populate
a userptr range. This functions calls hmm_range_fault to read
CPU page tables and populate all pfns/pages of this virtual address
range. For system memory page, dma-mapping is performed
to get a dma-address which can be used later for GPU to access pages.
v1: Address review comments:
separate a npage_in_range function (Matt)
reparameterize function xe_userptr_populate_range function (Matt)
move mmu_interval_read_begin() call into while loop (Thomas)
s/mark_range_accessed/xe_mark_range_accessed (Thomas)
use set_page_dirty_lock (vs set_page_dirty) (Thomas)
move a few checking in xe_vma_userptr_pin_pages to hmm.c (Matt)
v2: Remove device private page support. Only support system
pages for now. use dma-map-sg rather than dma-map-page (Matt/Thomas)
v3: Address review comments:
Squash patch "drm/xe: Introduce a helper to free sg table" to current
patch (Matt)
start and end addresses are already page aligned (Matt)
Do mmap_read_lock and mmap_read_unlock for hmm_range_fault incase of
non system allocator call. (Matt)
Drop kthread_use_mm and kthread_unuse_mm. (Matt)
No need of kernel-doc for static functions.(Matt)
Modify function names. (Matt)
Free sgtable incase of dma_map_sgtable failure.(Matt)
Modify loop for hmm_range_fault.(Matt)
v4: Remove the dummy function for xe_hmm_userptr_populate_range
since CONFIG_HMM_MIRROR is needed. (Matt)
Change variable names start/end to userptr_start/userptr_end.(Matt)
v5: Remove device private page support info from commit message. Since
the patch doesn't support device page handling. (Thomas)
Signed-off-by: Oak Zeng <oak.zeng@intel.com>
Co-developed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@intel.com>
Cc: Brian Welty <brian.welty@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412095237.1048599-2-himal.prasad.ghimiray@intel.com
Building with clang results in the following warning:
posix_timers.c:69:6: warning: absolute value function 'abs' given an
argument of type 'long long' but has parameter of type 'int' which may
cause truncation of value [-Wabsolute-value]
if (abs(diff - DELAY * USECS_PER_SEC) > USECS_PER_SEC / 2) {
^
So switch to using llabs() instead.
Fixes: 0bc4b0cf15 ("selftests: add basic posix timers selftests")
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410232637.4135564-3-jstultz@google.com
After commit 6d029c25b7 ("selftests/timers/posix_timers: Reimplement
check_timer_distribution()"), clang warns:
tools/testing/selftests/timers/../kselftest.h:398:6: warning: variable 'major' is used uninitialized whenever '||' condition is true [-Wsometimes-uninitialized]
398 | if (uname(&info) || sscanf(info.release, "%u.%u.", &major, &minor) != 2)
| ^~~~~~~~~~~~
tools/testing/selftests/timers/../kselftest.h:401:9: note: uninitialized use occurs here
401 | return major > min_major || (major == min_major && minor >= min_minor);
| ^~~~~
tools/testing/selftests/timers/../kselftest.h:398:6: note: remove the '||' if its condition is always false
398 | if (uname(&info) || sscanf(info.release, "%u.%u.", &major, &minor) != 2)
| ^~~~~~~~~~~~~~~
tools/testing/selftests/timers/../kselftest.h:395:20: note: initialize the variable 'major' to silence this warning
395 | unsigned int major, minor;
| ^
| = 0
This is a false positive because if uname() fails, ksft_exit_fail_msg()
will be called, which unconditionally calls exit(), a noreturn function.
However, clang does not know that ksft_exit_fail_msg() will call exit() at
the point in the pipeline that the warning is emitted because inlining has
not occurred, so it assumes control flow will resume normally after
ksft_exit_fail_msg() is called.
Make it clear to clang that all of the functions that call exit()
unconditionally in kselftest.h are noreturn transitively by marking them
explicitly with '__attribute__((__noreturn__))', which clears up the
warning above and any future warnings that may appear for the same reason.
Fixes: 6d029c25b7 ("selftests/timers/posix_timers: Reimplement check_timer_distribution()")
Reported-by: John Stultz <jstultz@google.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240411-mark-kselftest-exit-funcs-noreturn-v1-1-b027c948f586@kernel.org
Closes: https://lore.kernel.org/all/20240410232637.4135564-2-jstultz@google.com/
After commit 6d029c25b7 ("selftests/timers/posix_timers: Reimplement
check_timer_distribution()") the following warning occurs when building
with an older gcc:
posix_timers.c:250:2: warning: format not a string literal and no format arguments [-Wformat-security]
250 | ksft_print_msg(errmsg);
| ^~~~~~~~~~~~~~
Fix this up by changing it to ksft_print_msg("%s", errmsg)
Fixes: 6d029c25b7 ("selftests/timers/posix_timers: Reimplement check_timer_distribution()")
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Justin Stitt <justinstitt@google.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410232637.4135564-1-jstultz@google.com
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Merge tag 'nf-24-04-11' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
netfilter pull request 24-04-11
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
Patches #1 and #2 add missing rcu read side lock when iterating over
expression and object type list which could race with module removal.
Patch #3 prevents promisc packet from visiting the bridge/input hook
to amend a recent fix to address conntrack confirmation race
in br_netfilter and nf_conntrack_bridge.
Patch #4 adds and uses iterate decorator type to fetch the current
pipapo set backend datastructure view when netlink dumps the
set elements.
Patch #5 fixes removal of duplicate elements in the pipapo set backend.
Patch #6 flowtable validates pppoe header before accessing it.
Patch #7 fixes flowtable datapath for pppoe packets, otherwise lookup
fails and pppoe packets follow classic path.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In malidp_mw_connector_reset, new memory is allocated with kzalloc, but
no check is performed. In order to prevent null pointer dereferencing,
ensure that mw_state is checked before calling
__drm_atomic_helper_connector_reset.
Fixes: 8cbc5caf36 ("drm: mali-dp: Add writeback connector")
Signed-off-by: Huai-Yuan Liu <qq810974084@gmail.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240407063053.5481-1-qq810974084@gmail.com
The power_supply frame-work is not really designed for there to be
long living in kernel references to power_supply devices.
Specifically unregistering a power_supply while some other code has
a reference to it triggers a WARN in power_supply_unregister():
WARN_ON(atomic_dec_return(&psy->use_cnt));
Folllowed by the power_supply still getting removed and the
backing data freed anyway, leaving the tusb1210 charger-detect code
with a dangling reference, resulting in a crash the next time
tusb1210_get_online() is called.
Fix this by only holding the reference in tusb1210_get_online()
freeing it at the end of the function. Note this still leaves
a theoretical race window, but it avoids the issue when manually
rmmod-ing the charger chip driver during development.
Fixes: 48969a5623 ("phy: ti: tusb1210: Add charger detection")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240406140821.18624-1-hdegoede@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Commit 5abed58a8b ("phy: qcom: qmp-combo: Fix VCO div offset on v3")
fixed a regression introduced in 6.5 by making sure that the correct
offset is used for the DP_PHY_VCO_DIV register on v3 hardware.
Unfortunately, that fix instead broke DisplayPort on v5_5nm and v6
hardware as it failed to add the corresponding offsets also to those
register tables.
Fixes: 815891eee6 ("phy: qcom-qmp-combo: Introduce orientation variable")
Fixes: 5abed58a8b ("phy: qcom: qmp-combo: Fix VCO div offset on v3")
Cc: stable@vger.kernel.org # 6.5: 5abed58a8b
Cc: Stephen Boyd <swboyd@chromium.org>
Cc: Abhinav Kumar <quic_abhinavk@quicinc.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20240408093023.506-1-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use consistent log severity (pr_warn) to log all messages in SNP
enable path.
Suggested-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Link: https://lore.kernel.org/r/20240410101643.32309-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Commit 1a75cc710b ("iommu/vt-d: Use rbtree to track iommu probed
devices") adds all devices probed by the iommu driver in a rbtree
indexed by the source ID of each device. It assumes that each device
has a unique source ID. This assumption is incorrect and the VT-d
spec doesn't state this requirement either.
The reason for using a rbtree to track devices is to look up the device
with PCI bus and devfunc in the paths of handling ATS invalidation time
out error and the PRI I/O page faults. Both are PCI ATS feature related.
Only track the devices that have PCI ATS capabilities in the rbtree to
avoid unnecessary WARN_ON in the iommu probe path. Otherwise, on some
platforms below kernel splat will be displayed and the iommu probe results
in failure.
WARNING: CPU: 3 PID: 166 at drivers/iommu/intel/iommu.c:158 intel_iommu_probe_device+0x319/0xd90
Call Trace:
<TASK>
? __warn+0x7e/0x180
? intel_iommu_probe_device+0x319/0xd90
? report_bug+0x1f8/0x200
? handle_bug+0x3c/0x70
? exc_invalid_op+0x18/0x70
? asm_exc_invalid_op+0x1a/0x20
? intel_iommu_probe_device+0x319/0xd90
? debug_mutex_init+0x37/0x50
__iommu_probe_device+0xf2/0x4f0
iommu_probe_device+0x22/0x70
iommu_bus_notifier+0x1e/0x40
notifier_call_chain+0x46/0x150
blocking_notifier_call_chain+0x42/0x60
bus_notify+0x2f/0x50
device_add+0x5ed/0x7e0
platform_device_add+0xf5/0x240
mfd_add_devices+0x3f9/0x500
? preempt_count_add+0x4c/0xa0
? up_write+0xa2/0x1b0
? __debugfs_create_file+0xe3/0x150
intel_lpss_probe+0x49f/0x5b0
? pci_conf1_write+0xa3/0xf0
intel_lpss_pci_probe+0xcf/0x110 [intel_lpss_pci]
pci_device_probe+0x95/0x120
really_probe+0xd9/0x370
? __pfx___driver_attach+0x10/0x10
__driver_probe_device+0x73/0x150
driver_probe_device+0x19/0xa0
__driver_attach+0xb6/0x180
? __pfx___driver_attach+0x10/0x10
bus_for_each_dev+0x77/0xd0
bus_add_driver+0x114/0x210
driver_register+0x5b/0x110
? __pfx_intel_lpss_pci_driver_init+0x10/0x10 [intel_lpss_pci]
do_one_initcall+0x57/0x2b0
? kmalloc_trace+0x21e/0x280
? do_init_module+0x1e/0x210
do_init_module+0x5f/0x210
load_module+0x1d37/0x1fc0
? init_module_from_file+0x86/0xd0
init_module_from_file+0x86/0xd0
idempotent_init_module+0x17c/0x230
__x64_sys_finit_module+0x56/0xb0
do_syscall_64+0x6e/0x140
entry_SYSCALL_64_after_hwframe+0x71/0x79
Fixes: 1a75cc710b ("iommu/vt-d: Use rbtree to track iommu probed devices")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10689
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20240407011429.136282-1-baolu.lu@linux.intel.com
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The page request queue is per IOMMU, its allocation should be made
NUMA-aware for performance reasons.
Fixes: a222a7f0bb ("iommu/vt-d: Implement page request handling")
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20240403214007.985600-1-jacob.jun.pan@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The topology rework missed that early_init_amd() tries to re-enable the
Topology Extensions when the BIOS disabled them.
The new parser is invoked before early_init_amd() so the re-enable attempt
happens too late.
Move it into the AMD specific topology parser code where it belongs.
Fixes: f7fb3b2dd9 ("x86/cpu: Provide an AMD/HYGON specific topology parser")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/878r1j260l.ffs@tglx
A system with NODEID_MSR was reported to crash during early boot without
any output.
The reason is that the union which is used for accessing the bitfields in
the MSR is written wrongly and the resulting executable code accesses the
wrong part of the MSR data.
As a consequence a later division by that value results in 0 and that
result is used for another division as divisor, which obviously does not
work well.
The magic world of C, unions and bitfields:
union {
u64 bita : 3,
bitb : 3;
u64 all;
} x;
x.all = foo();
a = x.bita;
b = x.bitb;
results in the effective executable code of:
a = b = x.bita;
because bita and bitb are treated as union members and therefore both end
up at bit offset 0.
Wrapping the bitfield into an anonymous struct:
union {
struct {
u64 bita : 3,
bitb : 3;
};
u64 all;
} x;
works like expected.
Rework the NODEID_MSR union in exactly that way to cure the problem.
Fixes: f7fb3b2dd9 ("x86/cpu: Provide an AMD/HYGON specific topology parser")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Reported-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Laura Nao <laura.nao@collabora.com>
Link: https://lore.kernel.org/r/20240410194311.596282919@linutronix.de
Closes: https://lore.kernel.org/all/20240322175210.124416-1-laura.nao@collabora.com/
CPUID 0x80000008 ECX.cpu_nthreads describes the number of threads in the
package. The parser uses this value to initialize the SMT domain level.
That's wrong because cpu_nthreads does not describe the number of threads
per physical core. So this needs to set the CORE domain level and let the
later parsers set the SMT shift if available.
Preset the SMT domain level with the assumption of one thread per core,
which is correct ifrt here are no other CPUID leafs to parse, and propagate
cpu_nthreads and the core level APIC bitwidth into the CORE domain.
Fixes: f7fb3b2dd9 ("x86/cpu: Provide an AMD/HYGON specific topology parser")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Reported-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Laura Nao <laura.nao@collabora.com>
Link: https://lore.kernel.org/r/20240410194311.535206450@linutronix.de
For consistency with the other CONFIG_MITIGATION_* options, replace the
CONFIG_SPECTRE_BHI_{ON,OFF} options with a single
CONFIG_MITIGATION_SPECTRE_BHI option.
[ mingo: Fix ]
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nikolay Borisov <nik.borisov@suse.com>
Link: https://lore.kernel.org/r/3833812ea63e7fdbe36bf8b932e63f70d18e2a2a.1712813475.git.jpoimboe@kernel.org
