On Wed, Dec 14, 2011 at 01:57:32PM +0100, Daniel Vetter wrote: > Like for shmem_pwrite_slow. The only difference is that because we > read data, we can leave the fetched cachelines in the cpu: In the case > that the object isn't in the cpu read domain anymore, the clflush for > the next cpu read domain invalidation will simply drop these > cachelines. > > slow_shmem_bit17_copy is now ununsed, so kill it. > > With this patch tests/gem_mmap_gtt now actually works. > > v2: add __ to copy_to_user_swizzled as suggested by Chris Wilson. > > v3: Fixup the swizzling logic, it swizzled the wrong pages. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38115 > Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch> > Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> I've picked up these 3 patches to finally fix the pwrite/pread -EFAULT bug. Assuming nothing pops up in testing this week and no one raises any complains about the currently queued patches, I'll push out a new -next after fosdem with the current set of patches in -next-queued. -Daniel -- Daniel Vetter Mail: daniel at ffwll.ch Mobile: +41 (0)79 365 57 48