[Bug 103310] [CI] igt at gem_madvise@dontneed-before-pwrite - fail
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Oct 17 13:12:15 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=103310
Chris Wilson <chris at chris-wilson.co.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit a6d65e451cc4e7127698384868a4447ee7be7d16
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date: Mon Oct 16 21:27:32 2017 +0100
drm/i915: Report -EFAULT before pwrite fast path into shmemfs
When pwriting into shmemfs, the fast path pagecache_write does not
notice when it is writing to beyond the end of the truncated shmemfs
inode. Report -EFAULT directly when we try to use pwrite into the
!I915_MADV_WILLNEED object.
Fixes: 7c55e2c5772d ("drm/i915: Use pagecache write to prepopulate shmemfs
from pwrite-ioctl")
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