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author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-22 16:34:51 +0400 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-10-22 16:34:51 +0400 |
commit | c2fb7916927e989ea424e61ce5fe617e54878827 (patch) | |
tree | 02f9d5482075f8931637d82bb697a6470270136a /include/asm-generic/bitops/builtin-__fls.h | |
parent | 29de6ce574870a0d3fd157afdbf51c0282e2bf63 (diff) | |
parent | 6f0c0580b70c89094b3422ba81118c7b959c7556 (diff) | |
download | linux-c2fb7916927e989ea424e61ce5fe617e54878827.tar.xz |
Merge tag 'v3.7-rc2' into drm-intel-next-queued
Linux 3.7-rc2
Backmerge to solve two ugly conflicts:
- uapi. We've already added new ioctl definitions for -next. Do I need to say more?
- wc support gtt ptes. We've had to revert this for snb+ for 3.7 and
also fix a few other things in the code. Now we know how to make it
work on snb+, but to avoid losing the other fixes do the backmerge
first before re-enabling wc gtt ptes on snb+.
And a few other minor things, among them git getting confused in
intel_dp.c and seemingly causing a conflict out of nothing ...
Conflicts:
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_dp.c
drivers/gpu/drm/i915/intel_modes.c
include/drm/i915_drm.h
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/asm-generic/bitops/builtin-__fls.h')
-rw-r--r-- | include/asm-generic/bitops/builtin-__fls.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-generic/bitops/builtin-__fls.h b/include/asm-generic/bitops/builtin-__fls.h new file mode 100644 index 000000000000..0248f386635f --- /dev/null +++ b/include/asm-generic/bitops/builtin-__fls.h @@ -0,0 +1,15 @@ +#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_ +#define _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_ + +/** + * __fls - find last (most-significant) set bit in a long word + * @word: the word to search + * + * Undefined if no set bit exists, so code should check against 0 first. + */ +static __always_inline unsigned long __fls(unsigned long word) +{ + return (sizeof(word) * 8) - 1 - __builtin_clzl(word); +} + +#endif |