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1279373 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
David Stevens
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c578123e63 |
virtio_balloon: Treat stats requests as wakeup events
Treat stats requests as wakeup events to ensure that the driver responds to device requests in a timely manner. Signed-off-by: David Stevens <stevensd@chromium.org> Acked-by: David Hildenbrand <david@redhat.com> Message-Id: <20240321012445.1593685-3-stevensd@google.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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David Stevens
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810d831bbb |
virtio_balloon: Give the balloon its own wakeup source
Wakeup sources don't support nesting multiple events, so sharing a
single object between multiple drivers can result in one driver
overriding the wakeup event processing period specified by another
driver. Have the virtio balloon driver use the wakeup source of the
device it is bound to rather than the wakeup source of the parent
device, to avoid conflicts with the transport layer.
Note that although the virtio balloon's virtio_device itself isn't what
actually wakes up the device, it is responsible for processing wakeup
events. In the same way that EPOLLWAKEUP uses a dedicated wakeup_source
to prevent suspend when userspace is processing wakeup events, a
dedicated wakeup_source is necessary when processing wakeup events in a
higher layer in the kernel.
Fixes:
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David Hildenbrand
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e4544c550e |
virtio-mem: support suspend+resume
With virtio-mem, primarily hibernation is problematic: as the machine shuts down, the virtio-mem device loses its state. Powering the machine back up is like losing a bunch of DIMMs. While there would be ways to add limited support, suspend+resume is more commonly used for VMs and "easier" to support cleanly. s2idle can be supported without any device dependencies. Similarly, one would expect suspend-to-ram (i.e., S3) to work out of the box. However, QEMU currently unplugs all device memory when resuming the VM, using a cold reset on the "wakeup" path. In order to support S3, we need a feature flag for the device to tell us if memory remains plugged when waking up. In the future, QEMU will implement this feature. So let's always support s2idle and support S3 with plugged memory only if the device indicates support. Block hibernation early using the PM notifier. Trying to hibernate now fails early: # echo disk > /sys/power/state [ 26.455369] PM: hibernation: hibernation entry [ 26.458271] virtio_mem virtio0: hibernation is not supported. [ 26.462498] PM: hibernation: hibernation exit -bash: echo: write error: Operation not permitted s2idle works even without the new feature bit: # echo s2idle > /sys/power/mem_sleep # echo mem > /sys/power/state [ 52.083725] PM: suspend entry (s2idle) [ 52.095950] Filesystems sync: 0.010 seconds [ 52.101493] Freezing user space processes [ 52.104213] Freezing user space processes completed (elapsed 0.001 seconds) [ 52.106520] OOM killer disabled. [ 52.107655] Freezing remaining freezable tasks [ 52.110880] Freezing remaining freezable tasks completed (elapsed 0.001 seconds) [ 52.113296] printk: Suspending console(s) (use no_console_suspend to debug) S3 does not work without the feature bit when memory is plugged: # echo deep > /sys/power/mem_sleep # echo mem > /sys/power/state [ 32.788281] PM: suspend entry (deep) [ 32.816630] Filesystems sync: 0.027 seconds [ 32.820029] Freezing user space processes [ 32.823870] Freezing user space processes completed (elapsed 0.001 seconds) [ 32.827756] OOM killer disabled. [ 32.829608] Freezing remaining freezable tasks [ 32.833842] Freezing remaining freezable tasks completed (elapsed 0.001 seconds) [ 32.837953] printk: Suspending console(s) (use no_console_suspend to debug) [ 32.916172] virtio_mem virtio0: suspend+resume with plugged memory is not supported [ 32.916181] virtio-pci 0000:00:02.0: PM: pci_pm_suspend(): virtio_pci_freeze+0x0/0x50 returns -1 [ 32.916197] virtio-pci 0000:00:02.0: PM: dpm_run_callback(): pci_pm_suspend+0x0/0x170 returns -1 [ 32.916210] virtio-pci 0000:00:02.0: PM: failed to suspend async: error -1 But S3 works with the new feature bit when memory is plugged (patched QEMU): # echo deep > /sys/power/mem_sleep # echo mem > /sys/power/state [ 33.983694] PM: suspend entry (deep) [ 34.009828] Filesystems sync: 0.024 seconds [ 34.013589] Freezing user space processes [ 34.016722] Freezing user space processes completed (elapsed 0.001 seconds) [ 34.019092] OOM killer disabled. [ 34.020291] Freezing remaining freezable tasks [ 34.023549] Freezing remaining freezable tasks completed (elapsed 0.001 seconds) [ 34.026090] printk: Suspending console(s) (use no_console_suspend to debug) Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20240318120645.105664-1-david@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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240a1853b4 |
kernel: Remove signal hacks for vhost_tasks
This removes the signal/coredump hacks added for vhost_tasks in:
Commit
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Mike Christie
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db5247d9bf |
vhost_task: Handle SIGKILL by flushing work and exiting
Instead of lingering until the device is closed, this has us handle SIGKILL by: 1. marking the worker as killed so we no longer try to use it with new virtqueues and new flush operations. 2. setting the virtqueue to worker mapping so no new works are queued. 3. running all the exiting works. Suggested-by: Edward Adam Davis <eadavis@qq.com> Reported-and-tested-by: syzbot+98edc2df894917b3431f@syzkaller.appspotmail.com Message-Id: <tencent_546DA49414E876EEBECF2C78D26D242EE50A@qq.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-9-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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ba704ff4e1 |
vhost: Release worker mutex during flushes
In the next patches where the worker can be killed while in use, we need to be able to take the worker mutex and kill queued works for new IO and flushes, and set some new flags to prevent new __vhost_vq_attach_worker calls from swapping in/out killed workers. If we are holding the worker mutex during a flush and the flush's work is still in the queue, the worker code that will handle the SIGKILL cleanup won't be able to take the mutex and perform it's cleanup. So this patch has us drop the worker mutex while waiting for the flush to complete. Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-8-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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34cf9ba5f0 |
vhost: Use virtqueue mutex for swapping worker
__vhost_vq_attach_worker uses the vhost_dev mutex to serialize the swapping of a virtqueue's worker. This was done for simplicity because we are already holding that mutex. In the next patches where the worker can be killed while in use, we need finer grained locking because some drivers will hold the vhost_dev mutex while flushing. However in the SIGKILL handler in the next patches, we will need to be able to swap workers (set current one to NULL), kill queued works and stop new flushes while flushes are in progress. To prepare us, this has us use the virtqueue mutex for swapping workers instead of the vhost_dev one. Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-7-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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0352c961cb |
vhost_scsi: Handle vhost_vq_work_queue failures for TMFs
vhost_vq_work_queue will never fail when queueing the TMF's response handling because a guest can only send us TMFs when the device is fully setup so there is always a worker at that time. In the next patches we will modify the worker code so it handles SIGKILL by exiting before outstanding commands/TMFs have sent their responses. In that case vhost_vq_work_queue can fail when we try to send a response. This has us just free the TMF's resources since at this time the guest won't be able to get a response even if we could send it. Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-6-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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d9e59eec4a |
vhost: Remove vhost_vq_flush
vhost_vq_flush is no longer used so remove it. Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-5-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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59b701b99e |
vhost-scsi: Use system wq to flush dev for TMFs
We flush all the workers that are not also used by the ctl vq to make sure that responses queued by LIO before the TMF response are sent before the TMF response. This requires a special vhost_vq_flush function which, in the next patches where we handle SIGKILL killing workers while in use, will require extra locking/complexity. To avoid that, this patch has us flush the entire device from the system work queue, then queue up sending the response from there. This is a little less optimal since we now flush all workers but this will be ok since commands have already timed out and perf is not a concern. Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-4-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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1eceddeeb6 |
vhost-scsi: Handle vhost_vq_work_queue failures for cmds
In the next patches we will support the vhost_task being killed while in use. The problem for vhost-scsi is that we can't free some structs until we get responses for commands we have submitted to the target layer and we currently process the responses from the vhost_task. This has just drop the responses and free the command's resources. When all commands have completed then operations like flush will be woken up and we can complete device release and endpoint cleanup. Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-3-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Mike Christie
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b1b2ce58ed |
vhost-scsi: Handle vhost_vq_work_queue failures for events
Currently, we can try to queue an event's work before the vhost_task is created. When this happens we just drop it in vhost_scsi_do_plug before even calling vhost_vq_work_queue. During a device shutdown we do the same thing after vhost_scsi_clear_endpoint has cleared the backends. In the next patches we will be able to kill the vhost_task before we have cleared the endpoint. In that case, vhost_vq_work_queue can fail and we will leak the event's memory. This has handle the failure by just freeing the event. This is safe to do, because vhost_vq_work_queue will only return failure for us when the vhost_task is killed and so userspace will not be able to handle events if we sent them. Signed-off-by: Mike Christie <michael.christie@oracle.com> Message-Id: <20240316004707.45557-2-michael.christie@oracle.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Li Zhijian
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7b1b5c7fff |
vdpa: Convert sprintf/snprintf to sysfs_emit
Per filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. coccinelle complains that there are still a couple of functions that use snprintf(). Convert them to sysfs_emit(). sprintf() will be converted as weel if they have. Generally, this patch is generated by make coccicheck M=<path/to/file> MODE=patch \ COCCI=scripts/coccinelle/api/device_attr_show.cocci No functional change intended CC: "Michael S. Tsirkin" <mst@redhat.com> CC: Jason Wang <jasowang@redhat.com> CC: Xuan Zhuo <xuanzhuo@linux.alibaba.com> CC: virtualization@lists.linux.dev Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Message-Id: <20240314095853.1326111-1-lizhijian@fujitsu.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Yuxue Liu
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f181a3736b |
vp_vdpa: Fix return value check vp_vdpa_request_irq
In the vp_vdpa_set_status function, when setting the device status to VIRTIO_CONFIG_S_DRIVER_OK, the vp_vdpa_request_irq function may fail. In such cases, the device status should not be set to DRIVER_OK. Add exception printing to remind the user. Signed-off-by: Yuxue Liu <yuxue.liu@jaguarmicro.com> Message-Id: <20240325105448.235-1-gavin.liu@jaguarmicro.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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Ard Biesheuvel
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e92bee9f86 |
arm64/fpsimd: Avoid erroneous elide of user state reload
TIF_FOREIGN_FPSTATE is a 'convenience' flag that should reflect whether
the current CPU holds the most recent user mode FP/SIMD state of the
current task. It combines two conditions:
- whether the current CPU's FP/SIMD state belongs to the task;
- whether that state is the most recent associated with the task (as a
task may have executed on other CPUs as well).
When a task is scheduled in and TIF_KERNEL_FPSTATE is set, it means the
task was in a kernel mode NEON section when it was scheduled out, and so
the kernel mode FP/SIMD state is restored. Since this implies that the
current CPU is *not* holding the most recent user mode FP/SIMD state of
the current task, the TIF_FOREIGN_FPSTATE flag is set too, so that the
user mode FP/SIMD state is reloaded from memory when returning to
userland.
However, the task may be scheduled out after completing the kernel mode
NEON section, but before returning to userland. When this happens, the
TIF_FOREIGN_FPSTATE flag will not be preserved, but will be set as usual
the next time the task is scheduled in, and will be based on the above
conditions.
This means that, rather than setting TIF_FOREIGN_FPSTATE when scheduling
in a task with TIF_KERNEL_FPSTATE set, the underlying state should be
updated so that TIF_FOREIGN_FPSTATE will assume the expected value as a
result.
So instead, call fpsimd_flush_cpu_state(), which takes care of this.
Closes: https://lore.kernel.org/all/cb8822182231850108fa43e0446a4c7f@kernel.org
Reported-by: Johannes Nixdorf <mixi@shadowice.org>
Fixes:
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Will Deacon
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f481bb32d6 |
Reapply "arm64: fpsimd: Implement lazy restore for kernel mode FPSIMD"
This reverts commit
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Tony Luck
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93022482b2 |
x86/cpu: Fix x86_match_cpu() to match just X86_VENDOR_INTEL
Code in v6.9 arch/x86/kernel/smpboot.c was changed by commit |
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Souradeep Chakrabarti
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9c91c7fadb |
net: mana: Fix the extra HZ in mana_hwc_send_request
Commit |
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Tony Luck
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6d85a058cf |
crypto: x86/aes-xts - switch to new Intel CPU model defines
New CPU #defines encode vendor and family as well as model. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Eric Biggers <ebiggers@google.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Link: https://lore.kernel.org/r/20240520224620.9480-2-tony.luck@intel.com |
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Takashi Iwai
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c1a8d5f31b |
ALSA: core: Enable proc module when CONFIG_MODULES=y
We used '#ifdef MODULE' for judging whether the system supports the sound module or not, and /proc/asound/modules is created only when '#ifdef MODULE' is true. The check is not really appropriate, though, because the flag means only for the sound core and the drivers are still allowed to be built as modules even if 'MODULE' is not set in sound/core/init.c. For fixing the inconsistency, replace those ifdefs with 'ifdef CONFIG_MODULES'. One place for a NULL module check is rewritten with IS_MODULE(CONFIG_SND) to be more intuitive. It can't be changed to CONFIG_MODULES; otherwise it would hit a WARN_ON() incorrectly. This is a slight behavior change; the modules proc entry appears now no matter whether the sound core is built-in or not as long as modules are enabled on the kernel in general. This can't be avoided due to the nature of kernel builds. Link: https://lore.kernel.org/r/20240520170349.2417900-1-xu.yang_2@nxp.com Signed-off-by: Takashi Iwai <tiwai@suse.de> Tested-by: Xu Yang <xu.yang_2@nxp.com> Link: https://lore.kernel.org/r/20240522070442.17786-2-tiwai@suse.de |
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Takashi Iwai
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39381fe739 |
ALSA: core: Fix NULL module pointer assignment at card init
The commit |
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Horatiu Vultur
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eda40be3a5 |
net: lan966x: Remove ptp traps in case the ptp is not enabled.
Lan966x is adding ptp traps to redirect the ptp frames to the CPU such
that the HW will not forward these frames anywhere. The issue is that in
case ptp is not enabled and the timestamping source is et to
HWTSTAMP_SOURCE_NETDEV then these traps would not be removed on the
error path.
Fix this by removing the traps in this case as they are not needed.
Fixes:
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Yu Kuai
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9a42891c35 |
block: fix lost bio for plug enabled bio based device
With the following two conditions, bio will be lost:
1) blk plug is not enabled, for example, __blkdev_direct_IO_simple() and
__blkdev_direct_IO_async();
2) bio plug is enabled, for example write IO for raid1/raid10 while
bitmap is enabled;
Root cause is that blk_finish_plug() will add the bio to
curent->bio_list, while such bio will not be handled:
__submit_bio_noacct
current->bio_list = bio_list_on_stack;
blk_start_plug
do {
dm_submit_bio
md_handle_request
raid10_write_request
-> generate new bio for underlying disks
raid1_add_bio_to_plug -> bio is added to plug
} while ((bio = bio_list_pop(&bio_list_on_stack[0])))
-> previous bio are all handled
blk_finish_plug
raid10_unplug
raid1_submit_write
submit_bio_noacct
if (current->bio_list)
bio_list_add(¤t->bio_list[0], bio)
-> add new bio
current->bio_list = NULL
-> new bio is lost
Fix the problem by moving the plug into the while loop, so that
current->bio_list will still be handled after blk_finish_plug().
By the way, enable plug for raid1/raid10 in this case will also prevent
delay IO handling into daemon thread, which should also improve IO
performance.
Fixes:
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Dave Airlie
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3e3eb55e2b |
Merge tag 'drm-misc-next-fixes-2024-05-16' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next
drm-misc-next-fixes for v6.10-rc1: - VM_BIND fix for nouveau. - Lots of panthor fixes: * Fixes for panthor's heap logical block. * Reset on unrecoverable fault * Fix VM references. * Reset fix. - xlnx compile and doc fixes. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/54d2c8b9-8b04-45fc-b483-200ffac9d344@linux.intel.com |
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Yang Li
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1e8b7b3dbb |
rv: Update rv_en(dis)able_monitor doc to match kernel-doc
The patch updates the function documentation comment for
rv_en(dis)able_monitor to adhere to the kernel-doc specification.
Link: https://lore.kernel.org/linux-trace-kernel/20240520054239.61784-1-yang.lee@linux.alibaba.com
Fixes:
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Jeff Johnson
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23748e3e0f |
tracing: Add MODULE_DESCRIPTION() to preemptirq_delay_test
Fix the 'make W=1' warning:
WARNING: modpost: missing MODULE_DESCRIPTION() in kernel/trace/preemptirq_delay_test.o
Link: https://lore.kernel.org/linux-trace-kernel/20240518-md-preemptirq_delay_test-v1-1-387d11b30d85@quicinc.com
Cc: stable@vger.kernel.org
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes:
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Petr Pavlu
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c2274b908d |
ring-buffer: Fix a race between readers and resize checks
The reader code in rb_get_reader_page() swaps a new reader page into the ring buffer by doing cmpxchg on old->list.prev->next to point it to the new page. Following that, if the operation is successful, old->list.next->prev gets updated too. This means the underlying doubly-linked list is temporarily inconsistent, page->prev->next or page->next->prev might not be equal back to page for some page in the ring buffer. The resize operation in ring_buffer_resize() can be invoked in parallel. It calls rb_check_pages() which can detect the described inconsistency and stop further tracing: [ 190.271762] ------------[ cut here ]------------ [ 190.271771] WARNING: CPU: 1 PID: 6186 at kernel/trace/ring_buffer.c:1467 rb_check_pages.isra.0+0x6a/0xa0 [ 190.271789] Modules linked in: [...] [ 190.271991] Unloaded tainted modules: intel_uncore_frequency(E):1 skx_edac(E):1 [ 190.272002] CPU: 1 PID: 6186 Comm: cmd.sh Kdump: loaded Tainted: G E 6.9.0-rc6-default #5 158d3e1e6d0b091c34c3b96bfd99a1c58306d79f [ 190.272011] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552c-rebuilt.opensuse.org 04/01/2014 [ 190.272015] RIP: 0010:rb_check_pages.isra.0+0x6a/0xa0 [ 190.272023] Code: [...] [ 190.272028] RSP: 0018:ffff9c37463abb70 EFLAGS: 00010206 [ 190.272034] RAX: ffff8eba04b6cb80 RBX: 0000000000000007 RCX: ffff8eba01f13d80 [ 190.272038] RDX: ffff8eba01f130c0 RSI: ffff8eba04b6cd00 RDI: ffff8eba0004c700 [ 190.272042] RBP: ffff8eba0004c700 R08: 0000000000010002 R09: 0000000000000000 [ 190.272045] R10: 00000000ffff7f52 R11: ffff8eba7f600000 R12: ffff8eba0004c720 [ 190.272049] R13: ffff8eba00223a00 R14: 0000000000000008 R15: ffff8eba067a8000 [ 190.272053] FS: 00007f1bd64752c0(0000) GS:ffff8eba7f680000(0000) knlGS:0000000000000000 [ 190.272057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 190.272061] CR2: 00007f1bd6662590 CR3: 000000010291e001 CR4: 0000000000370ef0 [ 190.272070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 190.272073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 190.272077] Call Trace: [ 190.272098] <TASK> [ 190.272189] ring_buffer_resize+0x2ab/0x460 [ 190.272199] __tracing_resize_ring_buffer.part.0+0x23/0xa0 [ 190.272206] tracing_resize_ring_buffer+0x65/0x90 [ 190.272216] tracing_entries_write+0x74/0xc0 [ 190.272225] vfs_write+0xf5/0x420 [ 190.272248] ksys_write+0x67/0xe0 [ 190.272256] do_syscall_64+0x82/0x170 [ 190.272363] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 190.272373] RIP: 0033:0x7f1bd657d263 [ 190.272381] Code: [...] [ 190.272385] RSP: 002b:00007ffe72b643f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 190.272391] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1bd657d263 [ 190.272395] RDX: 0000000000000002 RSI: 0000555a6eb538e0 RDI: 0000000000000001 [ 190.272398] RBP: 0000555a6eb538e0 R08: 000000000000000a R09: 0000000000000000 [ 190.272401] R10: 0000555a6eb55190 R11: 0000000000000246 R12: 00007f1bd6662500 [ 190.272404] R13: 0000000000000002 R14: 00007f1bd6667c00 R15: 0000000000000002 [ 190.272412] </TASK> [ 190.272414] ---[ end trace 0000000000000000 ]--- Note that ring_buffer_resize() calls rb_check_pages() only if the parent trace_buffer has recording disabled. Recent commit |
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Petr Pavlu
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ea70a9628e |
ring-buffer: Correct stale comments related to non-consuming readers
Adjust the following code documentation: * Kernel-doc comments for ring_buffer_read_prepare() and ring_buffer_read_finish() mention that recording to the ring buffer is disabled when the read is active. Remove mention of this restriction because it was already lifted in commit |
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Linus Torvalds
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29c73fc794 |
perf tools fixes and improvements for v6.10:
- Add Kan Liang to MAINTAINERS as a perf tools reviewer.
- Add support for using the 'capstone' disassembler library in various tools,
such as 'perf script' and 'perf annotate'. This is an alternative for the
use of the 'xed' and 'objdump' disassemblers.
- Data-type profiling improvements:
Resolve types for a->b->c by backtracking the assignments until it finds
DWARF info for one of those members
Support for global variables, keeping a cache to speed up lookups.
Handle the 'call' instruction, dealing with effects on registers and handling
its return when tracking register data types.
Handle x86's segment based addressing like %gs:0x28, to support things like
per CPU variables, the stack canary, etc.
Data-type profiling got big speedups when using capstone for disassembling.
The objdump outoput parsing method is left as a fallback when capstone fails or
isn't available. There are patches posted for 6.11 that to use a LLVM
disassembler.
Support event group display in the TUI when annotating types with --data-type,
for instance to show memory load and store events for the data type fields.
Optimize the 'perf annotate' data structures, reducing memory usage.
Add a initial 'perf test' for 'perf annotate', checking that a target symbol
appears on the output, specifying objdump via the command line, etc.
- Integrate the shellcheck utility with the build of perf to allow catching
shell problems early in areas such as 'perf test', 'perf trace' scrape
scripts, etc.
- Add 'uretprobe' variant in the 'perf bench uprobe' tool.
- Add script to run instances of 'perf script' in parallel.
- Allow parsing tracepoint names that start with digits, such as
9p/9p_client_req, etc. Make sure 'perf test' tests it even on systems
where those tracepoints aren't available.
Vendor Events:
- Update Intel JSON files for Cascade Lake X, Emerald Rapids, Grand Ridge, Ice
Lake X, Lunar Lake, Meteor Lake, Sapphire Rapids, Sierra Forest, Sky Lake X,
Sky Lake and Snow Ridge X. Remove info metrics erroneously in TopdownL1.
- Add AMD's Zen 5 core and uncore events and metrics. Those come from the
"Performance Monitor Counters for AMD Family 1Ah Model 00h- 0Fh Processors"
document, with events that capture information on op dispatch, execution and
retirement, branch prediction, L1 and L2 cache activity, TLB activity, etc.
- Mark L1D_CACHE_INVAL impacted by errata for ARM64's AmpereOne/AmpereOneX.
Miscellaneous:
- Sync header copies with the kernel sources.
- Move some header copies used only for generating translation string tables
for ioctl cmds and other syscall integer arguments to a new directory under
tools/perf/beauty/, to separate from copies in tools/include/ that are used
to build the tools.
- Introduce scrape script for several syscall 'flags'/'mask' arguments.
- Improve cpumap utilization, fixing up pairing of refcounts, using the right
iterators (perf_cpu_map__for_each_cpu), etc.
- Give more details about raw event encodings in 'perf list', show tracepoint
encoding in the detailed output.
- Refactor the DSOs handling code, reducing memory usage.
- Document the BPF event modifier and add a 'perf test' for it.
- Improve the event parser, better error messages and add further 'perf test's
for it.
- Add reference count checking to 'struct comm_str' and 'struct mem_info'.
- Make ARM64's 'perf test' entries for the Neoverse N1 more robust.
- Tweak the ARM64's Coresight 'perf test's.
- Improve ARM64's CoreSight ETM version detection and error reporting.
- Fix handling of symbols when using kcore.
- Fix PAI (Processor Activity Instrumentation) counter names for s390 virtual
machines in 'perf report'.
- Fix -g/--call-graph option failure in 'perf sched timehist'.
- Add LIBTRACEEVENT_DIR build option to allow building with libtraceevent
installed in non-standard directories, such as when doing cross builds.
- Various 'perf test' and 'perf bench' fixes.
- Improve 'perf probe' error message for long C++ probe names.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools updates from Arnaldo Carvalho de Melo:
"General:
- Integrate the shellcheck utility with the build of perf to allow
catching shell problems early in areas such as 'perf test', 'perf
trace' scrape scripts, etc
- Add 'uretprobe' variant in the 'perf bench uprobe' tool
- Add script to run instances of 'perf script' in parallel
- Allow parsing tracepoint names that start with digits, such as
9p/9p_client_req, etc. Make sure 'perf test' tests it even on
systems where those tracepoints aren't available
- Add Kan Liang to MAINTAINERS as a perf tools reviewer
- Add support for using the 'capstone' disassembler library in
various tools, such as 'perf script' and 'perf annotate'. This is
an alternative for the use of the 'xed' and 'objdump' disassemblers
Data-type profiling improvements:
- Resolve types for a->b->c by backtracking the assignments until it
finds DWARF info for one of those members
- Support for global variables, keeping a cache to speed up lookups
- Handle the 'call' instruction, dealing with effects on registers
and handling its return when tracking register data types
- Handle x86's segment based addressing like %gs:0x28, to support
things like per CPU variables, the stack canary, etc
- Data-type profiling got big speedups when using capstone for
disassembling. The objdump outoput parsing method is left as a
fallback when capstone fails or isn't available. There are patches
posted for 6.11 that to use a LLVM disassembler
- Support event group display in the TUI when annotating types with
--data-type, for instance to show memory load and store events for
the data type fields
- Optimize the 'perf annotate' data structures, reducing memory usage
- Add a initial 'perf test' for 'perf annotate', checking that a
target symbol appears on the output, specifying objdump via the
command line, etc
Vendor Events:
- Update Intel JSON files for Cascade Lake X, Emerald Rapids, Grand
Ridge, Ice Lake X, Lunar Lake, Meteor Lake, Sapphire Rapids, Sierra
Forest, Sky Lake X, Sky Lake and Snow Ridge X. Remove info metrics
erroneously in TopdownL1
- Add AMD's Zen 5 core and uncore events and metrics. Those come from
the "Performance Monitor Counters for AMD Family 1Ah Model 00h- 0Fh
Processors" document, with events that capture information on op
dispatch, execution and retirement, branch prediction, L1 and L2
cache activity, TLB activity, etc
- Mark L1D_CACHE_INVAL impacted by errata for ARM64's AmpereOne/
AmpereOneX
Miscellaneous:
- Sync header copies with the kernel sources
- Move some header copies used only for generating translation string
tables for ioctl cmds and other syscall integer arguments to a new
directory under tools/perf/beauty/, to separate from copies in
tools/include/ that are used to build the tools
- Introduce scrape script for several syscall 'flags'/'mask'
arguments
- Improve cpumap utilization, fixing up pairing of refcounts, using
the right iterators (perf_cpu_map__for_each_cpu), etc
- Give more details about raw event encodings in 'perf list', show
tracepoint encoding in the detailed output
- Refactor the DSOs handling code, reducing memory usage
- Document the BPF event modifier and add a 'perf test' for it
- Improve the event parser, better error messages and add further
'perf test's for it
- Add reference count checking to 'struct comm_str' and 'struct
mem_info'
- Make ARM64's 'perf test' entries for the Neoverse N1 more robust
- Tweak the ARM64's Coresight 'perf test's
- Improve ARM64's CoreSight ETM version detection and error reporting
- Fix handling of symbols when using kcore
- Fix PAI (Processor Activity Instrumentation) counter names for s390
virtual machines in 'perf report'
- Fix -g/--call-graph option failure in 'perf sched timehist'
- Add LIBTRACEEVENT_DIR build option to allow building with
libtraceevent installed in non-standard directories, such as when
doing cross builds
- Various 'perf test' and 'perf bench' fixes
- Improve 'perf probe' error message for long C++ probe names"
* tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (260 commits)
tools lib subcmd: Show parent options in help
perf pmu: Count sys and cpuid JSON events separately
perf stat: Don't display metric header for non-leader uncore events
perf annotate-data: Ensure the number of type histograms
perf annotate: Fix segfault on sample histogram
perf daemon: Fix file leak in daemon_session__control
libsubcmd: Fix parse-options memory leak
perf lock: Avoid memory leaks from strdup()
perf sched: Rename 'switches' column header to 'count' and add usage description, options for latency
perf tools: Ignore deleted cgroups
perf parse: Allow tracepoint names to start with digits
perf parse-events: Add new 'fake_tp' parameter for tests
perf parse-events: pass parse_state to add_tracepoint
perf symbols: Fix ownership of string in dso__load_vmlinux()
perf symbols: Update kcore map before merging in remaining symbols
perf maps: Re-use __maps__free_maps_by_name()
perf symbols: Remove map from list before updating addresses
perf tracepoint: Don't scan all tracepoints to test if one exists
perf dwarf-aux: Fix build with HAVE_DWARF_CFI_SUPPORT
perf thread: Fixes to thread__new() related to initializing comm
...
|
||
|
Linus Torvalds
|
4865a27c66 |
bitmap patches for 6.10
Hi Linus,
Please pull patches for 6.10. This includes:
- topology_span_sane() optimization from Kyle Meyer;
- fns() rework from Kuan-Wei Chiu (used in
cpumask_local_spread() and other places); and
- headers cleanup from Andy.
This also adds a MAINTAINERS record for bitops API as it's unattended,
and I'd like to follow it closer.
Thanks,
Yury
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Merge tag 'bitmap-for-6.10v2' of https://github.com/norov/linux
Pull bitmap updates from Yury Norov:
- topology_span_sane() optimization from Kyle Meyer
- fns() rework from Kuan-Wei Chiu (used in cpumask_local_spread() and
other places)
- headers cleanup from Andy
- add a MAINTAINERS record for bitops API
* tag 'bitmap-for-6.10v2' of https://github.com/norov/linux:
usercopy: Don't use "proxy" headers
bitops: Move aligned_byte_mask() to wordpart.h
MAINTAINERS: add BITOPS API record
bitmap: relax find_nth_bit() limitation on return value
lib: make test_bitops compilable into the kernel image
bitops: Optimize fns() for improved performance
lib/test_bitops: Add benchmark test for fns()
Compiler Attributes: Add __always_used macro
sched/topology: Optimize topology_span_sane()
cpumask: Add for_each_cpu_from()
|
||
Wayne Lin
|
5a507b7d2b |
drm/mst: Fix NULL pointer dereference at drm_dp_add_payload_part2
[Why] Commit: - commit |
||
|
Linus Torvalds
|
b6394d6f71 |
Assorted commits that had missed the last merge window...
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Merge tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
"Assorted commits that had missed the last merge window..."
* tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
remove call_{read,write}_iter() functions
do_dentry_open(): kill inode argument
kernel_file_open(): get rid of inode argument
get_file_rcu(): no need to check for NULL separately
fd_is_open(): move to fs/file.c
close_on_exec(): pass files_struct instead of fdtable
|
||
|
Linus Torvalds
|
3413efa888 |
Compactifying bdev flags
We can easily have up to 24 flags with sane atomicity, _without_ pushing anything out of the first cacheline of struct block_device. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQqUNBr3gm4hGXdBJlZ7Krx/gZQ6wUCZkznRwAKCRBZ7Krx/gZQ 69XpAQDOZCyvYOZ/dlMOKKLf2vAojC/h++E/NjvGt3erbvVN2wEArXMi13ECsoCw JYJA3MsmvjuY6VNcm24icf2/p4TMIgo= =JyYi -----END PGP SIGNATURE----- Merge tag 'pull-bd_flags-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull bdev flags update from Al Viro: "Compactifying bdev flags. We can easily have up to 24 flags with sane atomicity, _without_ pushing anything out of the first cacheline of struct block_device" * tag 'pull-bd_flags-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: bdev: move ->bd_make_it_fail to ->__bd_flags bdev: move ->bd_ro_warned to ->__bd_flags bdev: move ->bd_has_subit_bio to ->__bd_flags bdev: move ->bd_write_holder into ->__bd_flags bdev: move ->bd_read_only to ->__bd_flags bdev: infrastructure for flags wrapper for access to ->bd_partno Use bdev_is_paritition() instead of open-coding it |
||
Jens Axboe
|
d13ddd9c89 |
io_uring/sqpoll: ensure that normal task_work is also run timely
With the move to private task_work, SQPOLL neglected to also run the
normal task_work, if any is pending. This will eventually get run, but
we should run it with the private task_work to ensure that things like
a final fput() is processed in a timely fashion.
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/313824bc-799d-414f-96b7-e6de57c7e21d@gmail.com/
Reported-by: Andrew Udvare <audvare@gmail.com>
Fixes:
|
||
|
Linus Torvalds
|
2a8120d7b4 |
more s390 updates for 6.10 merge window
- Switch read and write software bits for PUDs - Add missing hardware bits for PUDs and PMDs - Generate unwind information for C modules to fix GDB unwind error for vDSO functions - Create .build-id links for unstripped vDSO files to enable vDSO debugging with symbols - Use standard stack frame layout for vDSO generated stack frames to manually walk stack frames without DWARF information - Rework perf_callchain_user() and arch_stack_walk_user() functions to reduce code duplication - Skip first stack frame when walking user stack - Add basic checks to identify invalid instruction pointers when walking stack frames - Introduce and use struct stack_frame_vdso_wrapper within vDSO user wrapper code to automatically generate an asm-offset define. Also use STACK_FRAME_USER_OVERHEAD instead of STACK_FRAME_OVERHEAD to document that the code works with user space stack - Clear the backchain of the extra stack frame added by the vDSO user wrapper code. This allows the user stack walker to detect and skip the non-standard stack frame. Without this an incorrect instruction pointer would be added to stack traces. - Rewrite psw_idle() function in C to ease maintenance and further enhancements - Remove get_vtimer() function and use get_cpu_timer() instead - Mark psw variable in __load_psw_mask() as __unitialized to avoid superfluous clearing of PSW - Remove obsolete and superfluous comment about removed TIF_FPU flag - Replace memzero_explicit() and kfree() with kfree_sensitive() to fix warnings reported by Coccinelle - Wipe sensitive data and all copies of protected- or secure-keys from stack when an IOCTL fails - Both do_airq_interrupt() and do_io_interrupt() functions set CIF_NOHZ_DELAY flag. Move it in do_io_irq() to simplify the code - Provide iucv_alloc_device() and iucv_release_device() helpers, which can be used to deduplicate more or less identical IUCV device allocation and release code in four different drivers - Make use of iucv_alloc_device() and iucv_release_device() helpers to get rid of quite some code and also remove a cast to an incompatible function (clang W=1) - There is no user of iucv_root outside of the core IUCV code left. Therefore remove the EXPORT_SYMBOL - __apply_alternatives() contains a runtime check which verifies that the size of the to be patched code area is even. Convert this to a compile time check - Increase size of buffers for sending z/VM CP DIAGNOSE X'008' commands from 128 to 240 - Do not accept z/VM CP DIAGNOSE X'008' commands longer than maximally allowed - Use correct defines IPL_BP_NVME_LEN and IPL_BP0_NVME_LEN instead of IPL_BP_FCP_LEN and IPL_BP0_FCP_LEN ones to initialize NVMe reIPL block on 'scp_data' sysfs attribute update - Initialize the correct fields of the NVMe dump block, which were confused with FCP fields - Refactor macros for 'scp_data' (re-)IPL sysfs attribute to reduce code duplication - Introduce 'scp_data' sysfs attribute for dump IPL to allow tools such as dumpconf passing additional kernel command line parameters to a stand-alone dumper - Rework the CPACF query functions to use the correct RRE or RRF instruction formats and set instruction register fields correctly - Instead of calling BUG() at runtime force a link error during compile when a unsupported opcode is used with __cpacf_query() or __cpacf_check_opcode() functions - Fix a crash in ap_parse_bitmap_str() function on /sys/bus/ap/apmask or /sys/bus/ap/aqmask sysfs file update with a relative mask value - Fix "bindings complete" udev event which should be sent once all AP devices have been bound to device drivers and again when unbind/bind actions take place and all AP devices are bound again - Facility list alt_stfle_fac_list is nowhere used in the decompressor, therefore remove it there - Remove custom kprobes insn slot allocator in favour of the standard module_alloc() one, since kernel image and module areas are located within 4GB - Use kvcalloc() instead of kvmalloc_array() in zcrypt driver to avoid calling memset() with a large byte count and get rid of the sparse warning as result -----BEGIN PGP SIGNATURE----- iI0EABYIADUWIQQrtrZiYVkVzKQcYivNdxKlNrRb8AUCZkyx2BccYWdvcmRlZXZA bGludXguaWJtLmNvbQAKCRDNdxKlNrRb8PYZAP9KxEfTyUmIh61Gx8+m3BW5dy7p E2Q8yotlUpGj49ul+AD8CEAyTiWR95AlMOVZZLV/0J7XIjhALvpKAGfiJWkvXgc= =pife -----END PGP SIGNATURE----- Merge tag 's390-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull more s390 updates from Alexander Gordeev: - Switch read and write software bits for PUDs - Add missing hardware bits for PUDs and PMDs - Generate unwind information for C modules to fix GDB unwind error for vDSO functions - Create .build-id links for unstripped vDSO files to enable vDSO debugging with symbols - Use standard stack frame layout for vDSO generated stack frames to manually walk stack frames without DWARF information - Rework perf_callchain_user() and arch_stack_walk_user() functions to reduce code duplication - Skip first stack frame when walking user stack - Add basic checks to identify invalid instruction pointers when walking stack frames - Introduce and use struct stack_frame_vdso_wrapper within vDSO user wrapper code to automatically generate an asm-offset define. Also use STACK_FRAME_USER_OVERHEAD instead of STACK_FRAME_OVERHEAD to document that the code works with user space stack - Clear the backchain of the extra stack frame added by the vDSO user wrapper code. This allows the user stack walker to detect and skip the non-standard stack frame. Without this an incorrect instruction pointer would be added to stack traces. - Rewrite psw_idle() function in C to ease maintenance and further enhancements - Remove get_vtimer() function and use get_cpu_timer() instead - Mark psw variable in __load_psw_mask() as __unitialized to avoid superfluous clearing of PSW - Remove obsolete and superfluous comment about removed TIF_FPU flag - Replace memzero_explicit() and kfree() with kfree_sensitive() to fix warnings reported by Coccinelle - Wipe sensitive data and all copies of protected- or secure-keys from stack when an IOCTL fails - Both do_airq_interrupt() and do_io_interrupt() functions set CIF_NOHZ_DELAY flag. Move it in do_io_irq() to simplify the code - Provide iucv_alloc_device() and iucv_release_device() helpers, which can be used to deduplicate more or less identical IUCV device allocation and release code in four different drivers - Make use of iucv_alloc_device() and iucv_release_device() helpers to get rid of quite some code and also remove a cast to an incompatible function (clang W=1) - There is no user of iucv_root outside of the core IUCV code left. Therefore remove the EXPORT_SYMBOL - __apply_alternatives() contains a runtime check which verifies that the size of the to be patched code area is even. Convert this to a compile time check - Increase size of buffers for sending z/VM CP DIAGNOSE X'008' commands from 128 to 240 - Do not accept z/VM CP DIAGNOSE X'008' commands longer than maximally allowed - Use correct defines IPL_BP_NVME_LEN and IPL_BP0_NVME_LEN instead of IPL_BP_FCP_LEN and IPL_BP0_FCP_LEN ones to initialize NVMe reIPL block on 'scp_data' sysfs attribute update - Initialize the correct fields of the NVMe dump block, which were confused with FCP fields - Refactor macros for 'scp_data' (re-)IPL sysfs attribute to reduce code duplication - Introduce 'scp_data' sysfs attribute for dump IPL to allow tools such as dumpconf passing additional kernel command line parameters to a stand-alone dumper - Rework the CPACF query functions to use the correct RRE or RRF instruction formats and set instruction register fields correctly - Instead of calling BUG() at runtime force a link error during compile when a unsupported opcode is used with __cpacf_query() or __cpacf_check_opcode() functions - Fix a crash in ap_parse_bitmap_str() function on /sys/bus/ap/apmask or /sys/bus/ap/aqmask sysfs file update with a relative mask value - Fix "bindings complete" udev event which should be sent once all AP devices have been bound to device drivers and again when unbind/bind actions take place and all AP devices are bound again - Facility list alt_stfle_fac_list is nowhere used in the decompressor, therefore remove it there - Remove custom kprobes insn slot allocator in favour of the standard module_alloc() one, since kernel image and module areas are located within 4GB - Use kvcalloc() instead of kvmalloc_array() in zcrypt driver to avoid calling memset() with a large byte count and get rid of the sparse warning as result * tag 's390-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (39 commits) s390/zcrypt: Use kvcalloc() instead of kvmalloc_array() s390/kprobes: Remove custom insn slot allocator s390/boot: Remove alt_stfle_fac_list from decompressor s390/ap: Fix bind complete udev event sent after each AP bus scan s390/ap: Fix crash in AP internal function modify_bitmap() s390/cpacf: Make use of invalid opcode produce a link error s390/cpacf: Split and rework cpacf query functions s390/ipl: Introduce sysfs attribute 'scp_data' for dump ipl s390/ipl: Introduce macros for (re)ipl sysfs attribute 'scp_data' s390/ipl: Fix incorrect initialization of nvme dump block s390/ipl: Fix incorrect initialization of len fields in nvme reipl block s390/ipl: Do not accept z/VM CP diag X'008' cmds longer than max length s390/ipl: Fix size of vmcmd buffers for sending z/VM CP diag X'008' cmds s390/alternatives: Convert runtime sanity check into compile time check s390/iucv: Unexport iucv_root tty: hvc-iucv: Make use of iucv_alloc_device() s390/smsgiucv_app: Make use of iucv_alloc_device() s390/netiucv: Make use of iucv_alloc_device() s390/vmlogrdr: Make use of iucv_alloc_device() s390/iucv: Provide iucv_alloc_device() / iucv_release_device() ... |
||
|
Linus Torvalds
|
334e5639fc |
m68knommu: updates and fixes for v6.10
. remove use of kernel config option from uapi header -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEmsfM6tQwfNjBOxr3TiQVqaG9L4AFAmZMFsgACgkQTiQVqaG9 L4AykQ//aOs9lTYHzNzbgJ9H+TLWa9EUFRGEpvKVCZQlE/MkjHzXeQhspNRlzjaa Uzs1n0X4DTs9FP1sOz76IlCbFq48YfJJuHd+88psjIB13J5Ov1ELGCGdF9c8Nbk8 G1aDaVTlfD0CAWGL+wdz6aRY0HLBCnq3eA22Ab2TwVrSsmS0d8u9j2GNM/WhyMXe zs7j5219mzR9Q3tqDTgOZ/Bgjk7XmfHKq1CHisYK/4CqR2vEF/LMAcv+7Ct4aYSC lGvGyBrn7k8isCWeVN1rTOaC/CWmCFo9JMgA8xaL719TH95OCcTzgxIXhmMc/VvI 5XQ84T5gUpQp3RaJDhUWwxWosoNV2fOIQqzEdbpBDb1AkEclmdMummwBKISXzQ+Q dz2ccDYb9MkcltdLjxxeqBqcvHSdvKNjHMkxAo6jWacd9UheqT2efkUvmbwlIx/q DkLyOd7niny2eMlxUwT3e3q3tnU1HMwJqwKp6wYGAWsWZ4fRrGuAOS1JA/hTApzY 227CIequJpH4rZ3GaXfRkQ+pxKFoFho+9vnqeOMC8q7lcyRLNmKx3ubspqd65IGn 6lbCq8NsE+v6B0uq6Ehme9HhAzWr1crMIRpyJHZA6SlY+RhoSkTx7oNKLf5/pNOD YJ9HZJ8DMn8siZd68t74l1hgqy0ORK+0WvOYYMJVHHb4kuvp5+E= =9nx3 -----END PGP SIGNATURE----- Merge tag 'm68knommu-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu update from Greg Ungerer: . remove use of kernel config option from uapi header * tag 'm68knommu-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: Avoid CONFIG_COLDFIRE switch in uapi header |
||
|
Linus Torvalds
|
5499315668 |
EFI fixes for v6.10 #1
- Followup fix for the EFI boot sequence refactor, which may result in physical KASLR putting the kernel in a region which is being used for a special purpose via a command line argument. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZks6+wAKCRAwbglWLn0t XCJzAQCOgl1bhfwU14U0KNjboeCcQKYrvD/6AmqM/UBsQyfB4gD+NuEAh2iKldeS +5DuaWE3/sMPrZlTpatNF5E99mu2uAQ= =Um+v -----END PGP SIGNATURE----- Merge tag 'efi-fixes-for-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI fix from Ard Biesheuvel: - Followup fix for the EFI boot sequence refactor, which may result in physical KASLR putting the kernel in a region which is being used for a special purpose via a command line argument. * tag 'efi-fixes-for-v6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: x86/efistub: Omit physical KASLR when memory reservations exist |
||
|
Linus Torvalds
|
856726396d |
- Fix DM discard regressions due to DM core switching over to using
queue_limits_set() without DM core and targets first being updated to set (and stack) discard limits in terms of max_hw_discard_sectors and not max_discard_sectors. - Fix stable@ DM integrity discard support to set device's discard_granularity limit to the device's logical block size. -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEJfWUX4UqZ4x1O2wixSPxCi2dA1oFAmZMv3kACgkQxSPxCi2d A1pX2gf+NjaTP+6otMJ44sYwUGHuWtgwDy7NcoTiF4RvLQjjrUh8Lgm2p3i4evFs 4AzMNXy5V6/mEx/AZb7sjCtPkIGOykkBud3+jhStohQKvXEJQcYtwACNv151NW2c Fw2tcPZbPKH8P8UkDkegLaCu+4DotYjhuw44dfHFVZ95Wlhcm2UmcjWQEf/LtYW0 Si2FE0z2n1yi1mY6cExuL0bJ+LaMrXRQzHE3ZPaPRn4PFNUTY1juKsHYbgyL7cZ+ xQM1W/KBrKzDztCJGKH4Cl86L3kNPRkiQ7BQ/2Wtse20o10EGT0+lPvevCNcPNpi gbjAo7OPy9WPA9N/AR8Wfj06YQFaGA== =Pp+x -----END PGP SIGNATURE----- Merge tag 'for-6.10/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - Fix DM discard regressions due to DM core switching over to using queue_limits_set() without DM core and targets first being updated to set (and stack) discard limits in terms of max_hw_discard_sectors and not max_discard_sectors - Fix stable@ DM integrity discard support to set device's discard_granularity limit to the device's logical block size * tag 'for-6.10/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm: always manage discard support in terms of max_hw_discard_sectors dm-integrity: set discard_granularity to logical block size |
||
|
Linus Torvalds
|
98f312bc58 |
Power management fixes for 6.10-rc1
- Fix a memory leak in the exit path of amd-pstate (Peng Ma).
- Fix required_opp_tables handling in the cases when multiple generic
PM domains share one OPP table (Viresh Kumar).
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Merge tag 'pm-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix the amd-pstate driver and the operating performance point
(OPP) handling related to generic PM domains.
Specifics:
- Fix a memory leak in the exit path of amd-pstate (Peng Ma)
- Fix required_opp_tables handling in the cases when multiple generic
PM domains share one OPP table (Viresh Kumar)"
* tag 'pm-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
OPP: Fix required_opp_tables for multiple genpds using same table
cpufreq: amd-pstate: fix memory leak on CPU EPP exit
|
||
|
Linus Torvalds
|
62a12816cb |
ACPI fixes for 6.10-rc1
These make the ACPI EC driver always install the EC address space handler at the root of the ACPI namespace which causes it to take care of all EC operation regions everywhere, so in particular the custom EC address space handler in the WMI driver is not needed any more and accordingly it gets removed altogether. -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmZMYfoSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxyQEQAJst7Tn/3kMwGQXnalapUC/sKmabNNqq 9E6hlFMlvkev36QNEmPg102Bs+qzr3JVzydyoP+9P/rarw3pa1f2ab7JSQbV77HX s+EJ75NKT4GFGx2uq3UGArFqLaPhm+jT4dqKES0f+Niw1urgkpCXl//j9CpbdgWM 6oIlkDePUZqZ6mleFgYI99jhqtwI3yWcHVNHO7Iw9F6fA6A+qmMLELJvgsyW4Yaw E3CBhszMu4YeX5ovQxze/UYYdUMBf/JWel3iuzu9Gpt3IdWpocIjCgMXKp0/eekG wR1PuGA7X/4Tv4pJ2KDMMGD9w5ff6hBj9iI35BACxjuje4mVQf3LLBKmfphOaTVo NBFLTJW8gVyFkudEwmvuNBOezG/ltIXqLVI79qwWkYcLagSQeg4HiKXkv7pKzVwA 1kAcG3Vg3lrg3dO09Nu9xWzOHoLiJSROCqDA1onR+cmrvb1cJB05PGS3lvHwAQgJ +dv1/+iIur3R0Yisc3pXKWz4q4wARjjafL/8QWBXlwNlo1PBVqv5Hbf3l1N15jnZ lkl21RmoTRzw7p/yqiz0JIWXL+xqDLRQhko1wVAbdBSTEtlhCaBQZKx67rZ849Je KtbSwupI5u++QuB2uYGJ+9+XqRoZ4m7LZOGGXXPjDrkJdBE72T9MJKiZohAMptVa uOvE0AMszRiz =Ho4A -----END PGP SIGNATURE----- Merge tag 'acpi-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fixes from Rafael Wysocki: "These make the ACPI EC driver always install the EC address space handler at the root of the ACPI namespace which causes it to take care of all EC operation regions everywhere. This means that the custom EC address space handler in the WMI driver is not needed any more and accordingly it gets removed altogether" * tag 'acpi-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: platform/x86: wmi: Remove custom EC address space handler ACPI: EC: Install address space handler at the namespace root |
||
|
Linus Torvalds
|
5b5a5ad5a5 |
Thermal control fixes for 6.10-rc1
- Fix and clean up the MediaTek lvts_thermal driver (Julien Panis).
- Prevent invalid trip point handling from triggering spurious trip
point crossing events and allow passive polling to stop when a
passive trip point involved in it becomes invalid (Rafael Wysocki).
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Merge tag 'thermal-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix the MediaTek lvts_thermal driver and the handling of trip
points that start as invalid and are adjusted later by user space via
sysfs.
Specifics:
- Fix and clean up the MediaTek lvts_thermal driver (Julien Panis)
- Prevent invalid trip point handling from triggering spurious trip
point crossing events and allow passive polling to stop when a
passive trip point involved in it becomes invalid (Rafael Wysocki)"
* tag 'thermal-6.10-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: core: Fix the handling of invalid trip points
thermal/drivers/mediatek/lvts_thermal: Fix wrong lvts_ctrl index
thermal/drivers/mediatek/lvts_thermal: Remove unused members from struct lvts_ctrl_data
thermal/drivers/mediatek/lvts_thermal: Check NULL ptr on lvts_data
|
||
|
Linus Torvalds
|
3b1440380d |
intel-gpio for v6.10-2
* NULL pointer dereference fix in GPIO APCI library * Restore ACPI handle matching for GPIO devices represented in banks The following is an automated git shortlog grouped by driver: gpiolib: - acpi: Fix failed in acpi_gpiochip_find() by adding parent node match - acpi: Move ACPI device NULL check to acpi_can_fallback_to_crs() -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqaflIX74DDDzMJJtb7wzTHR8rCgFAmZMxEgACgkQb7wzTHR8 rCjgWQ//eT84o/XpeM+KlZpabmQBXKM7EGgVIc95gKAM77eKHNxG608DS4yxvEbU y+k7HDg3OZ4JFVWC7E7RTS9cImW7rxM3vbdRtymxNKZpsvT48IJeP/A0/LKV7eka irLX/lr+8MKM5hrwoWmO9MJrIAYA2q1JobBqQzhLaaPfz4MVhe9ntiyEZArDgSI+ Z3F5gHVDhkfb2wtKcaUAp+OkBCmUhQPMx8hY7iZbsHCOAZtjLEGuqWbvUiL0IvEA X8QQ2Jfc+AkZRp5HD4PRv1jpo51O3cpv85KWmOQTzuyEzYFXoaR5pegYvRHdVCNM oUSheff89a7iGfSMA/v2Rpvff188gGh9PIcrKdQlk3bD2V0dTLStbbMJJBCCUcTq LX3CJv2RCauWexIpMXeCX+h0y4AeFbZSjoyVmMIEPUK7XGWvuGxDDMfpYz2mlo6s aPBuq/Wj84EWWYqLspj6yHV8mMkOoCA2K8LLinL9rev1p3d7k7CPuLW4vxLMUHH0 CjIK8iraKt1oIsY9Ij5kqVytHUmTXYHDRXdPc32yUAVXmC0uqPvQ58AnAfWCdeQl Bph6eZD6ts5Xb/tGvIhw5jDovx2R1lp9/pt+2q6T/mk86xkm+/mNK9M7y3Tf5xBv vtjDds+OmI51Io9UKlC73cCIs3UYm8A5OeADPFLPVMuEaOQvZng= =/z1Z -----END PGP SIGNATURE----- Merge tag 'intel-gpio-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel Pull intel-gpio fixes from Andy Shevchenko: - NULL pointer dereference fix in GPIO APCI library - Restore ACPI handle matching for GPIO devices represented in banks * tag 'intel-gpio-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel: gpiolib: acpi: Fix failed in acpi_gpiochip_find() by adding parent node match gpiolib: acpi: Move ACPI device NULL check to acpi_can_fallback_to_crs() |
||
|
Linus Torvalds
|
b9dd56e813 |
soundwire updates for 6.10
- cleanup and conversion for soundwire sysfs groups - intel support for ace2x bits, auxdevice pm improvements - qcom multi link device support -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAmZMTBMACgkQfBQHDyUj g0cLwxAAs2BjcTzYcYX+bPQGBWb8Fvzm7/vKQrkPiZTVm0TtKL5EB2CBzqo+xhpf DIUNw9nNECswmS4X6J3vPZs4cYeIYgmrXXs0Wt+kB5YFsvYoM/aHNyxvwWheAcPg atzv4x0leYnmwD8rFwCER4jVNaUw54dy9L/SurCSxMEzpp48bkZyD4fAaAgO3I8x Ou0vZHEctev2s4cbSnnZhQnkcQdTfk2q93OrUtoWx0BaXA71HGds+tyJhM9iuih4 wpRvZvX7xYscohNEJxx0scks14dd8DvVklCWRc14mCYeUK32uX02cTUqDXZdr/SX Ljy/GjMKCcVlA75KIP47iqtsMZATqG/kJZQWps4lobJulinvkFaPO5BNZ1B0qpvm Y6zkMLQjF6YdP6DZnWvfp6+Zc8WOLnzDGiIhvnCL7YDMqVZwaJqurvVeTcX66K5l 1cB9BkgXamqS38aI4Zu/qr8vxVuhZK0Os/5/k2MJQhjzFb8tmK66oKEJ42kawK4X X1ZE4sUdsYbp3CR184FXXpzOeKsxjBiao2E8t1EEFgVPCvIFsa9TjjPWs+bGQ9jq iixdQXawzv1kwOuT5DzyDwRvwHe46o8zG5yR3kqu64EAzdcg8tspdtODsw2ZV1FJ EvALOC3bw6PJkOpurRFjijGrqFbWKSkgxOUkgR3GKExX/bd8NPQ= =H/AJ -----END PGP SIGNATURE----- Merge tag 'soundwire-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire Pull soundwire updates from Vinod Koul: - cleanup and conversion for soundwire sysfs groups - intel support for ace2x bits, auxdevice pm improvements - qcom multi link device support * tag 'soundwire-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (33 commits) soundwire: intel_ace2.x: add support for DOAISE property soundwire: intel_ace2.x: add support for DODSE property soundwire: intel_ace2x: use DOAIS and DODS settings from firmware soundwire: intel_ace2x: cleanup DOAIS/DODS settings soundwire: intel_ace2x: simplify check_wake() soundwire: intel_ace2x: fix wakeup handling soundwire: intel_init: resume all devices on exit. soundwire: intel: export intel_resume_child_device soundwire: intel_auxdevice: use pm_runtime_resume() instead of pm_request_resume() ASoC: SOF: Intel: hda: disable SoundWire interrupt later soundwire: qcom: allow multi-link on newer devices soundwire: intel_ace2x: use legacy formula for intel_alh_id soundwire: reconcile dp0_prop and dpn_prop soundwire: intel_ace2x: set the clock source soundwire: intel_ace2.x: power-up first before setting SYNCPRD soundwire: intel_ace2x: move and extend clock selection soundwire: intel: add support for MeteorLake additional clocks soundwire: intel: add more values for SYNCPRD soundwire: bus: extend base clock checks to 96 MHz soundwire: cadence: show the bus frequency and frame shape ... |
||
|
Linus Torvalds
|
8053d2ffc4 |
phy-for-6.10
- New Support
- Support for Embedded DisplayPort and DisplayPort submodes and driver
support on Qualcomm X1E80100 edp driver
- Qualcomm QMP UFS PHY for SM8475, QMP USB phy for QDU1000/QRU1000 and
eusb2-repeater for SMB2360
- Samsung HDMI PHY for i.MX8MP, gs101 UFS phy
- Mediatek XFI T-PHY support for mt7988
- Rockchip usbdp combo phy driver
- Updates
- Qualcomm x4 lane EP support for sa8775p, v4 ad v6 support for X1E80100,
SM8650 tables for UFS Gear 4 & 5 and correct voltage swing tables
- Freescale imx8m-pci pcie link-up updates
- Rockchip rx-common-refclk-mode support
- More platform remove callback returning void conversions
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Merge tag 'phy-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull generic phy updates from Vinod Koul:
"New HW Support:
- Support for Embedded DisplayPort and DisplayPort submodes and
driver support on Qualcomm X1E80100 edp driver
- Qualcomm QMP UFS PHY for SM8475, QMP USB phy for QDU1000/QRU1000
and eusb2-repeater for SMB2360
- Samsung HDMI PHY for i.MX8MP, gs101 UFS phy
- Mediatek XFI T-PHY support for mt7988
- Rockchip usbdp combo phy driver
Updates:
- Qualcomm x4 lane EP support for sa8775p, v4 ad v6 support for
X1E80100, SM8650 tables for UFS Gear 4 & 5 and correct voltage
swing tables
- Freescale imx8m-pci pcie link-up updates
- Rockchip rx-common-refclk-mode support
- More platform remove callback returning void conversions"
* tag 'phy-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (43 commits)
dt-bindings: phy: qcom,usb-snps-femto-v2: use correct fallback for sc8180x
dt-bindings: phy: qcom,sc8280xp-qmp-ufs-phy: fix msm899[68] power-domains
dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: fix x1e80100-gen3x2 schema
phy: qcpm-qmp-usb: Add support for QDU1000/QRU1000
dt-bindings: phy: qcom,qmp-usb: Add QDU1000 USB3 PHY
dt-bindings: phy: qcom,usb-snps-femto-v2: Add bindings for QDU1000
phy: qcom-qmp-pcie: add x4 lane EP support for sa8775p
phy: samsung-ufs: ufs: exit on first reported error
phy: samsung-ufs: ufs: remove superfluous mfd/syscon.h header
phy: rockchip: fix CONFIG_TYPEC dependency
phy: rockchip: usbdp: fix uninitialized variable
phy: rockchip-snps-pcie3: add support for rockchip,rx-common-refclk-mode
dt-bindings: phy: rockchip,pcie3-phy: add rockchip,rx-common-refclk-mode
phy: rockchip: add usbdp combo phy driver
dt-bindings: phy: add rockchip usbdp combo phy document
phy: add driver for MediaTek XFI T-PHY
dt-bindings: phy: mediatek,mt7988-xfi-tphy: add new bindings
phy: freescale: fsl-samsung-hdmi: Convert to platform remove callback returning void
phy: qcom: qmp-ufs: update SM8650 tables for Gear 4 & 5
MAINTAINERS: Add phy-gs101-ufs file to Tensor GS101.
...
|
||
|
Linus Torvalds
|
d4e034b4c4 |
dmaengine updates for v6.10
New support: - Freescale i.MX8ULP edma support in edma driver - StarFive JH8100 DMA support in Synopsis axi-dmac driver Updates: - Tracing support for freescale edma driver, updates to dpaa2 driver - Remove unused QCom hidma DT support - Support for i2c dma in imx-sdma - Maintainers update for idxd and edma drivers -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+vs47OPLdNbVcHzyfBQHDyUjg0cFAmZMPDAACgkQfBQHDyUj g0f2dQ/+OSBO+fs8yZJaDjxETLBZFGWX/VoHIaARTUxJYHNhXXZApy6gluMJrPxM /6AeTZO2XCvPdZWzWRslkS2pPLuR8alWJo+SimGB6VoKDAplQLemMNorvM0w1sof rHS38JHkSUifjQtlJyY4AWcP21jVe08MpXaOQmcHfWQ8QaEhacPrq7V46x6OogAO x/QXjiOizo6GMEOpS+CMpR2rrM4sq90GEnN0c7cXg+BXmoiCp586peqqkoAUSUry acIb+vwrGn2WOXrWlYUpFFIvOGVfwiZBP8mnOAhN7KR6xcm0OXbLhDKn3pRofYbo ZaORd2Nae4NJxsiVYUr3Ae+4NwxKhFi7xzY5zNjq9IgKrvOT/22E2fj1wwCfjYEj 7cShuB/1Qq+qcF3zRSWrFjKV3dFCFp2+jMrBTbaZq13Gvt6cEtOqcwT3XiRJ18A/ X8lXWzXEHvLt74AV819cEUg8K3LnoiAuXzfkQgAve8H/bxtlvO+HM6p8s9v164pb mp9mHI5QUNG2A5xzCGQ3KCpBEUhODOml2k2dvkQRWjKUW1zXGl5+67rB6npkKJV7 fw6amW2l/cDYver3tzKQUFWRJgQt8rbNJ3u30o1Ea1NXFrr6gS/RNhVkAm3vkWrq E3kpKgQ4A9RTqlMbvGf+/eel7oOv6RYqZWfc5LW39p3+EAoDWF4= =arjK -----END PGP SIGNATURE----- Merge tag 'dmaengine-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine Pull dmaengine updates from Vinod Koul: "New HW support: - Freescale i.MX8ULP edma support in edma driver - StarFive JH8100 DMA support in Synopsis axi-dmac driver Updates: - Tracing support for freescale edma driver, updates to dpaa2 driver - Remove unused QCom hidma DT support - Support for i2c dma in imx-sdma - Maintainers update for idxd and edma drivers" * tag 'dmaengine-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (42 commits) MAINTAINERS: Update role for IDXD driver dmaengine: fsl-edma: use _Generic to handle difference type dmaengine: fsl-edma: add trace event support dmaengine: idxd: Avoid unnecessary destruction of file_ida dmaengine: xilinx: xdma: fix module autoloading dt-bindings: dma: fsl-edma: allow 'power-domains' property dt-bindings: dma: fsl-edma: remove 'clocks' from required dmaengine: fsl-dpaa2-qdma: Fix kernel-doc check warning dmaengine: imx-sdma: Add i2c dma support dmaengine: imx-sdma: utilize compiler to calculate ADDRS_ARRAY_SIZE_V<n> dt-bindings: fsl-imx-sdma: Add I2C peripheral types ID dt-bindings: fsl-dma: fsl-edma: clean up unused "fsl,imx8qm-adma" compatible string dmaengine: fsl-edma: clean up unused "fsl,imx8qm-adma" compatible string dt-bindings: dma: Drop unused QCom hidma binding dmaengine: qcom: Drop hidma DT support dmaengine: pl08x: Use kcalloc() instead of kzalloc() dmaengine: fsl-dpaa2-qdma: Update DPDMAI interfaces to version 3 dmaengine: fsl-edma: fix miss mutex unlock at an error return path dmaengine: pch_dma: remove unused function chan2parent dmaengine: fsl-dpaa2-qdma: Add dpdmai_cmd_open ... |
||
Jiangfeng Xiao
|
ffbf4fb9b5 |
arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY
When CONFIG_DEBUG_BUGVERBOSE=n, we fail to add necessary padding bytes
to bug_table entries, and as a result the last entry in a bug table will
be ignored, potentially leading to an unexpected panic(). All prior
entries in the table will be handled correctly.
The arm64 ABI requires that struct fields of up to 8 bytes are
naturally-aligned, with padding added within a struct such that struct
are suitably aligned within arrays.
When CONFIG_DEBUG_BUGVERPOSE=y, the layout of a bug_entry is:
struct bug_entry {
signed int bug_addr_disp; // 4 bytes
signed int file_disp; // 4 bytes
unsigned short line; // 2 bytes
unsigned short flags; // 2 bytes
}
... with 12 bytes total, requiring 4-byte alignment.
When CONFIG_DEBUG_BUGVERBOSE=n, the layout of a bug_entry is:
struct bug_entry {
signed int bug_addr_disp; // 4 bytes
unsigned short flags; // 2 bytes
< implicit padding > // 2 bytes
}
... with 8 bytes total, with 6 bytes of data and 2 bytes of trailing
padding, requiring 4-byte alginment.
When we create a bug_entry in assembly, we align the start of the entry
to 4 bytes, which implicitly handles padding for any prior entries.
However, we do not align the end of the entry, and so when
CONFIG_DEBUG_BUGVERBOSE=n, the final entry lacks the trailing padding
bytes.
For the main kernel image this is not a problem as find_bug() doesn't
depend on the trailing padding bytes when searching for entries:
for (bug = __start___bug_table; bug < __stop___bug_table; ++bug)
if (bugaddr == bug_addr(bug))
return bug;
However for modules, module_bug_finalize() depends on the trailing
bytes when calculating the number of entries:
mod->num_bugs = sechdrs[i].sh_size / sizeof(struct bug_entry);
... and as the last bug_entry lacks the necessary padding bytes, this entry
will not be counted, e.g. in the case of a single entry:
sechdrs[i].sh_size == 6
sizeof(struct bug_entry) == 8;
sechdrs[i].sh_size / sizeof(struct bug_entry) == 0;
Consequently module_find_bug() will miss the last bug_entry when it does:
for (i = 0; i < mod->num_bugs; ++i, ++bug)
if (bugaddr == bug_addr(bug))
goto out;
... which can lead to a kenrel panic due to an unhandled bug.
This can be demonstrated with the following module:
static int __init buginit(void)
{
WARN(1, "hello\n");
return 0;
}
static void __exit bugexit(void)
{
}
module_init(buginit);
module_exit(bugexit);
MODULE_LICENSE("GPL");
... which will trigger a kernel panic when loaded:
------------[ cut here ]------------
hello
Unexpected kernel BRK exception at EL1
Internal error: BRK handler: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in: hello(O+)
CPU: 0 PID: 50 Comm: insmod Tainted: G O 6.9.1 #8
Hardware name: linux,dummy-virt (DT)
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : buginit+0x18/0x1000 [hello]
lr : buginit+0x18/0x1000 [hello]
sp : ffff800080533ae0
x29: ffff800080533ae0 x28: 0000000000000000 x27: 0000000000000000
x26: ffffaba8c4e70510 x25: ffff800080533c30 x24: ffffaba8c4a28a58
x23: 0000000000000000 x22: 0000000000000000 x21: ffff3947c0eab3c0
x20: ffffaba8c4e3f000 x19: ffffaba846464000 x18: 0000000000000006
x17: 0000000000000000 x16: ffffaba8c2492834 x15: 0720072007200720
x14: 0720072007200720 x13: ffffaba8c49b27c8 x12: 0000000000000312
x11: 0000000000000106 x10: ffffaba8c4a0a7c8 x9 : ffffaba8c49b27c8
x8 : 00000000ffffefff x7 : ffffaba8c4a0a7c8 x6 : 80000000fffff000
x5 : 0000000000000107 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff3947c0eab3c0
Call trace:
buginit+0x18/0x1000 [hello]
do_one_initcall+0x80/0x1c8
do_init_module+0x60/0x218
load_module+0x1ba4/0x1d70
__do_sys_init_module+0x198/0x1d0
__arm64_sys_init_module+0x1c/0x28
invoke_syscall+0x48/0x114
el0_svc_common.constprop.0+0x40/0xe0
do_el0_svc+0x1c/0x28
el0_svc+0x34/0xd8
el0t_64_sync_handler+0x120/0x12c
el0t_64_sync+0x190/0x194
Code: d0ffffe0 910003fd 91000000 9400000b (d4210000)
---[ end trace 0000000000000000 ]---
Kernel panic - not syncing: BRK handler: Fatal exception
Fix this by always aligning the end of a bug_entry to 4 bytes, which is
correct regardless of CONFIG_DEBUG_BUGVERBOSE.
Fixes:
|
||
|
Linus Torvalds
|
34dcc46610 |
omap: redo the driver from legacy to mailbox api
zynqmp: enable bufferless IPI arm: add mhu-v3 driver common: convert from tasklet to BH workqueue qcom: MSM8974 APCS compatible -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAmZMrLAACgkQf9lkf8eY P5UWFRAAhdtfFtdw3MgabOEd47kybvr+gkBcPEHb83CIuCP8K10LPraAzDC/TIj/ lJi56JCO7BNoZyZs/Hpk9TZvf5X7D437TGEUCCJzz4HSgVmjR2fGtHlDTanx+Pot jk/UOMLgtTxwt95DkIsyDs6UFXHuQ8MG3ItJmybuZs28S3fgoYRd0n+xQMz6rZm4 iJoGGxYBv9tRbS+lkEaeu3DZb0429SXLSpx4MrRvjBpo0ms4RO/m0lphLJntkhoZ ic73P8UhdbKjOkNL1SM6riw3fm3szdWourcirwFbjkI2aaVbUUUt+HRCjrm+DD6l RfL3LT7w+uSMSuiLhDzG0Nj/8q05fSNMZ/qbXOcBawM7BeqzPJA59ysuIsYdTTSO RlQtQCQIHpdv5+GDcOrPGXePavDOFSapcFdcWE5yHOCmxweVLt6HeEk+uXCAq1/i f0+VymcsHLNcRpNA2ERuBzk+1oz1l866VpzNLVcvTaR5qWETFJAsDS2DyZveJ6V7 xDnvqGMWsyLNzBrPtHQg3NigiaCrcaM6QBVow8kveZuYoYtmNJ4Iq2SH1KHauNXA 1yatWf2UtjebBT7vvdptYra278szcpJ7b3NlJCJ6xsAP4ZUoH136Ib2kVWsZTId1 HpZxrrGRngLNNwUU6fB2NtPSzXpYRzkCdwi4mitxjHA4pmfAsNQ= =i6Oe -----END PGP SIGNATURE----- Merge tag 'mailbox-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox Pull mailbox updates from Jassi Brar: - redo the omap driver from legacy to mailbox api - enable bufferless IPI for zynqmp - add mhu-v3 driver - convert from tasklet to BH workqueue - add qcom MSM8974 APCS compatible IDs * tag 'mailbox-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox: (24 commits) dt-bindings: mailbox: qcom-ipcc: Document the SDX75 IPCC dt-bindings: mailbox: qcom: Add MSM8974 APCS compatible mailbox: Convert from tasklet to BH workqueue mailbox: mtk-cmdq: Fix pm_runtime_get_sync() warning in mbox shutdown mailbox: mtk-cmdq-mailbox: fix module autoloading mailbox: zynqmp: handle SGI for shared IPI mailbox: arm_mhuv3: Add driver dt-bindings: mailbox: arm,mhuv3: Add bindings mailbox: omap: Remove kernel FIFO message queuing mailbox: omap: Reverse FIFO busy check logic mailbox: omap: Remove mbox_chan_to_omap_mbox() mailbox: omap: Use mbox_controller channel list directly mailbox: omap: Use function local struct mbox_controller mailbox: omap: Merge mailbox child node setup loops mailbox: omap: Use devm_pm_runtime_enable() helper mailbox: omap: Remove device class mailbox: omap: Remove unneeded header omap-mailbox.h mailbox: omap: Move fifo size check to point of use mailbox: omap: Move omap_mbox_irq_t into driver mailbox: omap: Remove unused omap_mbox_request_channel() function ... |
||
|
Linus Torvalds
|
ab7b884a34 |
remoteproc updates for v6.10
This makes the remoteproc core rproc_class const. DeviceTree bindings for a few different Qualcomm remoteprocs are updated to remove a range of validation warnings/errors. The Qualcomm SMD binding marks qcom,ipc deprecated, in favor or the mailbox interface. The TI K3 R5 remoteproc driver is updated to ensure that cores are powered up in the appropriate order. The driver also see a couple of fixes related to cleanups in error paths during probe. The Mediatek remoteproc driver is extended to support the MT8188 SCP core 1. Support for varying DRAM and IPI shared buffer sizes are introduced. This together with a couple of bug fixes and improvements to the driver. Support for the AMD-Xilinx Versal and Versal-NET platforms are added. Coredump support and support for parsing TCM information from DeviceTree is added to the Xilinx R5F remoteproc driver. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmZMEOcVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FchoP/jdIgdIac4LJo7JEV3PDELePmUHf OshGpV33zRonpXtLBM9xsN1jt1O1jpsJZ7J0sUSQJgob0y07GgImhiSIglgrmmgp fHortMyBVME+IRGiEEtB3s8LlbUe5O1gR9+nqnZM1tbxMTx1FVSMe1FvKXNQuLNV PXx095FrhfRptFMhOw0Rpngokcwh3hMoHhb/f1ZmdInBDvasuMd2B5kaWUv99hh2 zZKI3DhU0qIwSHtQ0Il+RmPnyCq4kbF29JCIB+9JVhd/sPCDwxbZlTnteoMSM7Ub tqOYan/GKatiCFO8Y8aF1kQyLRUR/Qujpnd+rxsV5zI3ouNOOhp9qbjsN5tQ7MH2 sG4zEV2qukMipeUoHlGHom8bq9Ux6sKnre3YZBRvlbW4IVWmrZgFWt9Z+D8N600Q AnUJaycc75tNQj2klx1vMAmdo/v+KhnhyTJoLzd/RPb6QqWbe1ABQH2w5t89XEKH XNfc4zGqJLoLpWod3kY68gBOuodWG6UqF6fPIsG4qLz5UGIV2fngzo6Ycdq5RhsP SWsmk8XSQCR8TBDN/l2xcFybXp5iGPJFste5PtrIQLP66P2CK9Ao96V0Otmpm91N SyhhcWkgS8LYvKBd9A2xPJHUXwroguaI9M49rwqDEvVDu0tsnDfJWx6p/CY7CAu1 myRj9UjCLjwYTBzE =YGw7 -----END PGP SIGNATURE----- Merge tag 'rproc-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull remoteproc updates from Bjorn Andersson: "This makes the remoteproc core rproc_class const. DeviceTree bindings for a few different Qualcomm remoteprocs are updated to remove a range of validation warnings/errors. The Qualcomm SMD binding marks qcom,ipc deprecated, in favor or the mailbox interface. The TI K3 R5 remoteproc driver is updated to ensure that cores are powered up in the appropriate order. The driver also see a couple of fixes related to cleanups in error paths during probe. The Mediatek remoteproc driver is extended to support the MT8188 SCP core 1. Support for varying DRAM and IPI shared buffer sizes are introduced. This together with a couple of bug fixes and improvements to the driver. Support for the AMD-Xilinx Versal and Versal-NET platforms are added. Coredump support and support for parsing TCM information from DeviceTree is added to the Xilinx R5F remoteproc driver" * tag 'rproc-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (22 commits) dt-bindings: remoteproc: qcom,sdm845-adsp-pil: Fix qcom,halt-regs definition dt-bindings: remoteproc: qcom,sc7280-wpss-pil: Fix qcom,halt-regs definition dt-bindings: remoteproc: qcom,qcs404-cdsp-pil: Fix qcom,halt-regs definition dt-bindings: remoteproc: qcom,msm8996-mss-pil: allow glink-edge on msm8996 dt-bindings: remoteproc: qcom,smd-edge: Mark qcom,ipc as deprecated remoteproc: k3-r5: Jump to error handling labels in start/stop errors remoteproc: mediatek: Fix error code in scp_rproc_init() remoteproc: k3-r5: Do not allow core1 to power up before core0 via sysfs remoteproc: k3-r5: Wait for core0 power-up before powering up core1 remoteproc: mediatek: Add IMGSYS IPI command remoteproc: mediatek: Support setting DRAM and IPI shared buffer sizes remoteproc: mediatek: Support MT8188 SCP core 1 dt-bindings: remoteproc: mediatek: Support MT8188 dual-core SCP drivers: remoteproc: xlnx: Fix uninitialized tcm mode drivers: remoteproc: xlnx: Fix uninitialized variable use drivers: remoteproc: xlnx: Add Versal and Versal-NET support remoteproc: zynqmp: parse TCM from device tree dt-bindings: remoteproc: Add Tightly Coupled Memory (TCM) bindings remoteproc: zynqmp: fix lockstep mode memory region remoteproc: zynqmp: Add coredump support ... |
||
|
Linus Torvalds
|
e66128fa8e |
rpmsg updates for v6.10
This makes core rpmsg_class const and it ensures automatic module loading of the Qualcomm glink_ssr driver happens. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmZMDUIVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3F49oP/iZhXMYNrFV1B6HuOHBHHsGyXlgp wRDw3Ww3LsVroE6MGCP1BucRG0X6NMJekSY6ekHZqkc342eWqKrLgEaiGMuwHmY6 wiv1ge0ncRO0SvU7qrbBCmWOgx4bH/UQvZcEABXBFLjfrZkijFaqhgA0gWgwJBcH LTHttRRVSqLesuwo9c9V+gChZmMqNHP8sqbtF8NbPIHTLiSzuItqsgE6/ue8fmR9 v1LdQHvfqly5Acu0F7YUS/bq+QVvnwVQElcVv5ImS+5ey1kJ0dQK0H9sKk4tX6R/ zo8K19C91VliW/cniA8Tg8kakop8WmhUdNY5XG2PFiRQLSe0w1zB9jyEnGkDU7rs SHY0U7ajpaJgaiBR82jfu3YFUvx5OHMhueHnhGDJYjM7+OViLAIYQlVvpdX0y0mF c4i5DYbEnps4fKTo8pUAwbVFlX7jQEaDap1ptkPveeilWvJyCCs2xk2HV3+xIuU+ 65bX6B0Pecmx0O4RnfpS91W881t/R/JPOujqY9io4WNkIzjNk1dfRpoklwgTl6BO tr3jxXS3W4hvQLD8fIfZ8jNdxkDw+bIeya9t1QfUWEDC7u/enQD9mqpu4ZSv28r3 FaYoOgvKghvncklVuyjrDaO6zsXI+baY43k6qftd2H/pAAwEqwJvED7hu34f9nt8 h7mq7bHbbEncGZn0 =9WMR -----END PGP SIGNATURE----- Merge tag 'rpmsg-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull rpmsg updates from Bjorn Andersson: "This makes core rpmsg_class const and ensures that the automatic module loading of the Qualcomm glink_ssr driver happens" * tag 'rpmsg-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: rpmsg: qcom_glink_ssr: fix module autoloading rpmsg: core: Make rpmsg_class constant |
||
|
Linus Torvalds
|
f0bae243b2 |
pci-v6.10-changes
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Merge tag 'pci-v6.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Skip E820 checks for MCFG ECAM regions for new (2016+) machines,
since there's no requirement to describe them in E820 and some
platforms require ECAM to work (Bjorn Helgaas)
- Rename PCI_IRQ_LEGACY to PCI_IRQ_INTX to be more specific (Damien
Le Moal)
- Remove last user and pci_enable_device_io() (Heiner Kallweit)
- Wait for Link Training==0 to avoid possible race (Ilpo Järvinen)
- Skip waiting for devices that have been disconnected while
suspended (Ilpo Järvinen)
- Clear Secondary Status errors after enumeration since Master Aborts
and Unsupported Request errors are an expected part of enumeration
(Vidya Sagar)
MSI:
- Remove unused IMS (Interrupt Message Store) support (Bjorn Helgaas)
Error handling:
- Mask Genesys GL975x SD host controller Replay Timer Timeout
correctable errors caused by a hardware defect; the errors cause
interrupts that prevent system suspend (Kai-Heng Feng)
- Fix EDR-related _DSM support, which previously evaluated revision 5
but assumed revision 6 behavior (Kuppuswamy Sathyanarayanan)
ASPM:
- Simplify link state definitions and mask calculation (Ilpo
Järvinen)
Power management:
- Avoid D3cold for HP Pavilion 17 PC/1972 PCIe Ports, where BIOS
apparently doesn't know how to put them back in D0 (Mario
Limonciello)
CXL:
- Support resetting CXL devices; special handling required because
CXL Ports mask Secondary Bus Reset by default (Dave Jiang)
DOE:
- Support DOE Discovery Version 2 (Alexey Kardashevskiy)
Endpoint framework:
- Set endpoint BAR to be 64-bit if the driver says that's all the
device supports, in addition to doing so if the size is >2GB
(Niklas Cassel)
- Simplify endpoint BAR allocation and setting interfaces (Niklas
Cassel)
Cadence PCIe controller driver:
- Drop DT binding redundant msi-parent and pci-bus.yaml (Krzysztof
Kozlowski)
Cadence PCIe endpoint driver:
- Configure endpoint BARs to be 64-bit based on the BAR type, not the
BAR value (Niklas Cassel)
Freescale Layerscape PCIe controller driver:
- Convert DT binding to YAML (Frank Li)
MediaTek MT7621 PCIe controller driver:
- Add DT binding missing 'reg' property for child Root Ports
(Krzysztof Kozlowski)
- Fix theoretical string truncation in PHY name (Sergio Paracuellos)
NVIDIA Tegra194 PCIe controller driver:
- Return success for endpoint probe instead of falling through to the
failure path (Vidya Sagar)
Renesas R-Car PCIe controller driver:
- Add DT binding missing IOMMU properties (Geert Uytterhoeven)
- Add DT binding R-Car V4H compatible for host and endpoint mode
(Yoshihiro Shimoda)
Rockchip PCIe controller driver:
- Configure endpoint BARs to be 64-bit based on the BAR type, not the
BAR value (Niklas Cassel)
- Add DT binding missing maxItems to ep-gpios (Krzysztof Kozlowski)
- Set the Subsystem Vendor ID, which was previously zero because it
was masked incorrectly (Rick Wertenbroek)
Synopsys DesignWare PCIe controller driver:
- Restructure DBI register access to accommodate devices where this
requires Refclk to be active (Manivannan Sadhasivam)
- Remove the deinit() callback, which was only need by the
pcie-rcar-gen4, and do it directly in that driver (Manivannan
Sadhasivam)
- Add dw_pcie_ep_cleanup() so drivers that support PERST# can clean
up things like eDMA (Manivannan Sadhasivam)
- Rename dw_pcie_ep_exit() to dw_pcie_ep_deinit() to make it parallel
to dw_pcie_ep_init() (Manivannan Sadhasivam)
- Rename dw_pcie_ep_init_complete() to dw_pcie_ep_init_registers() to
reflect the actual functionality (Manivannan Sadhasivam)
- Call dw_pcie_ep_init_registers() directly from all the glue
drivers, not just those that require active Refclk from the host
(Manivannan Sadhasivam)
- Remove the "core_init_notifier" flag, which was an obscure way for
glue drivers to indicate that they depend on Refclk from the host
(Manivannan Sadhasivam)
TI J721E PCIe driver:
- Add DT binding J784S4 SoC Device ID (Siddharth Vadapalli)
- Add DT binding J722S SoC support (Siddharth Vadapalli)
TI Keystone PCIe controller driver:
- Add DT binding missing num-viewport, phys and phy-name properties
(Jan Kiszka)
Miscellaneous:
- Constify and annotate with __ro_after_init (Heiner Kallweit)
- Convert DT bindings to YAML (Krzysztof Kozlowski)
- Check for kcalloc() failure in of_pci_prop_intr_map() (Duoming
Zhou)"
* tag 'pci-v6.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (97 commits)
PCI: Do not wait for disconnected devices when resuming
x86/pci: Skip early E820 check for ECAM region
PCI: Remove unused pci_enable_device_io()
ata: pata_cs5520: Remove unnecessary call to pci_enable_device_io()
PCI: Update pci_find_capability() stub return types
PCI: Remove PCI_IRQ_LEGACY
scsi: vmw_pvscsi: Do not use PCI_IRQ_LEGACY instead of PCI_IRQ_LEGACY
scsi: pmcraid: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: mpt3sas: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: megaraid_sas: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: ipr: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: hpsa: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
scsi: arcmsr: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
wifi: rtw89: Use PCI_IRQ_INTX instead of PCI_IRQ_LEGACY
dt-bindings: PCI: rockchip,rk3399-pcie: Add missing maxItems to ep-gpios
Revert "genirq/msi: Provide constants for PCI/IMS support"
Revert "x86/apic/msi: Enable PCI/IMS"
Revert "iommu/vt-d: Enable PCI/IMS"
Revert "iommu/amd: Enable PCI/IMS"
Revert "PCI/MSI: Provide IMS (Interrupt Message Store) support"
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