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authorIngo Molnar <mingo@elte.hu>2009-02-25 08:21:52 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-25 10:20:03 +0100
commit3255aa2eb636a508fc82a73fabbb8aaf2ff23c0f (patch)
tree2a602fb8f4fefe666e8daedf1e1f755800bd700a /drivers
parent95f66b3770d6d0755b4a2d818c237574ffd74e4c (diff)
x86, mm: pass in 'total' to __copy_from_user_*nocache()
Impact: cleanup, enable future change Add a 'total bytes copied' parameter to __copy_from_user_*nocache(), and update all the callsites. The parameter is not used yet - architecture code can use it to more intelligently decide whether the copy should be cached or non-temporal. Cc: Salman Qazi <sqazi@google.com> Cc: Nick Piggin <npiggin@suse.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 81857665409..6b209db8370 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -215,7 +215,7 @@ fast_user_write(struct io_mapping *mapping,
vaddr_atomic = io_mapping_map_atomic_wc(mapping, page_base);
unwritten = __copy_from_user_inatomic_nocache(vaddr_atomic + page_offset,
- user_data, length);
+ user_data, length, length);
io_mapping_unmap_atomic(vaddr_atomic);
if (unwritten)
return -EFAULT;