[Intel-gfx] [PATCH] drm/i915/userptr: Acquire the page lock around set_page_dirty()

[Sasha Levin]

Hi,

[This is an automated email]

This commit has been processed because it contains a "Fixes:" tag,
fixing commit: 5cc9ed4b9a7a drm/i915: Introduce mapping of user pages into video memory (userptr) ioctl.

The bot has tested the following trees: v5.1.16, v4.19.57, v4.14.132, v4.9.184, v4.4.184.

v5.1.16: Build OK!
v4.19.57: Build OK!
v4.14.132: Build OK!
v4.9.184: Failed to apply! Possible dependencies:
    0e70447605f4 ("drm/i915: Move common code out of i915_gpu_error.c")
    1b36595ffb35 ("drm/i915: Show RING registers through debugfs")
    275f039db56f ("drm/i915: Move user fault tracking to a separate list")
    3594a3e21f1f ("drm/i915: Remove superfluous locking around userfault_list")
    3b3f1650b1ca ("drm/i915: Allocate intel_engine_cs structure only for the enabled engines")
    7c108fd8feac ("drm/i915: Move fence cancellation to runtime suspend")
    8baa1f04b9ed ("drm/i915: Update debugfs describe_obj() to show fault-mappable")
    96d776345277 ("drm/i915: Use a radixtree for random access to the object's backing storage")
    9c870d03674f ("drm/i915: Use RPM as the barrier for controlling user mmap access")
    a4f5ea64f0a8 ("drm/i915: Refactor object page API")
    d636951ec01b ("drm/i915: Cleanup instdone collection")
    f8a7fde45610 ("drm/i915: Defer active reference until required")

v4.4.184: Failed to apply! Possible dependencies:
    09cbfeaf1a5a ("mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros")
    0a798eb92e6d ("drm/i915: Refactor duplicate object vmap functions")
    0b5372727be3 ("drm/i915/cmdparser: Use cached vmappings")
    0e749e54244e ("dax: increase granularity of dax_clear_blocks() operations")
    0eb973d31d0a ("drm/i915: Cache ringbuffer GTT VMA")
    43394c7d0d36 ("drm/i915: Extract i915_gem_obj_prepare_shmem_write()")
    4420cfd3f51c ("staging: lustre: format properly all comment blocks for LNet core")
    52db400fcd50 ("pmem, dax: clean up clear_pmem()")
    5fd88337d209 ("staging: lustre: fix all conditional comparison to zero in LNet layer")
    85d1225ec066 ("drm/i915: Introduce & use new lightweight SGL iterators")
    a188222b6ed2 ("net: Rename NETIF_F_ALL_CSUM to NETIF_F_CSUM_MASK")
    a4f5ea64f0a8 ("drm/i915: Refactor object page API")
    b2e0d1625e19 ("dax: fix lifetime of in-kernel dax mappings with dax_map_atomic()")
    b9bcd14a2b91 ("drm/i915: Extract checking for backing struct pages to a helper")
    d1a5f2b4d8a1 ("block: use DAX for partition table reads")
    def0c5f6b0cd ("drm/i915: Map the ringbuffer using WB on LLC machines")
    e10624f8c097 ("pmem: fail io-requests to known bad blocks")


NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?

--
Thanks,
Sasha