[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for iommu: Remove iova cpu hotplugging flushing (rev2)

[Patchwork]

== Series Details ==

Series: iommu: Remove iova cpu hotplugging flushing (rev2)
URL   : https://patchwork.freedesktop.org/series/108880/
State : warning

== Summary ==

Error: dim checkpatch failed
197c8a0312f4 iommu: Remove iova cpu hotplugging flushing
-:17: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#17: 
<4>[    6.931011] ffff888100e02a78 (&(&priv->bus_notifier)->rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x20/0x50

total: 0 errors, 1 warnings, 0 checks, 76 lines checked
a07376429e5f Restore "iommu/dma: Fix race condition during iova_domain initialization"
-:8: ERROR:GIT_COMMIT_ID: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit ac9a5d522bb8 ("iommu/dma: Fix race condition during iova_domain initialization")'
#8: 
reverted commit ac9a5d522bb80be50ea84965699e1c8257d745ce.  That revert is

-:22: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment
#22: FILE: drivers/iommu/dma-iommu.c:68:
+	struct mutex			mutex;

total: 1 errors, 0 warnings, 1 checks, 51 lines checked