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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-25 08:21:52 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-25 10:20:03 +0100 |
| commit | 3255aa2eb636a508fc82a73fabbb8aaf2ff23c0f (patch) | |
| tree | 2a602fb8f4fefe666e8daedf1e1f755800bd700a /drivers | |
| parent | Merge branch 'x86/asm' into x86/mm (diff) | |
| download | linux-3255aa2eb636a508fc82a73fabbb8aaf2ff23c0f.tar.xz linux-3255aa2eb636a508fc82a73fabbb8aaf2ff23c0f.zip | |
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.c | 2 |
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 818576654092..6b209db8370d 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; |