Quoting Joonas Lahtinen (2017-10-17 08:03:57)
> On Mon, 2017-10-16 at 21:27 +0100, Chris Wilson wrote:
> > 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")
> > Testcase: igt/gem_madvise/dontneed-before-pwrite
> > Signed-off-by: Chris Wilson <[email protected]>
> > Cc: Matthew Auld <[email protected]>
> > Cc: Joonas Lahtinen <[email protected]>
> > Cc: Mika Kuoppala <[email protected]>
>
> Reviewed-by: Joonas Lahtinen <[email protected]>
Ta, pushed.
-Chris
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
