Skip to content

Commit

Permalink
x86/bitops: Move BIT_64() for a wider use
Browse files Browse the repository at this point in the history
Needed for shifting 64-bit values on 32-bit, like MSR values,
for example.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frank Arnold <frank.arnold@amd.com>
Link: http://lkml.kernel.org/r/1337684026-19740-1-git-send-email-bp@amd64.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
  • Loading branch information
Borislav Petkov authored and Ingo Molnar committed May 23, 2012
1 parent 239e7ba commit e8f380e
Show file tree
Hide file tree
Showing 2 changed files with 2 additions and 2 deletions.
2 changes: 2 additions & 0 deletions arch/x86/include/asm/bitops.h
Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@
#include <linux/compiler.h>
#include <asm/alternative.h>

#define BIT_64(n) (U64_C(1) << (n))

/*
* These have to be done with inline assembly: that way the bit-setting
* is guaranteed to be atomic. All bit operations return 0 if the bit
Expand Down
2 changes: 0 additions & 2 deletions drivers/edac/mce_amd.h
Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,6 @@

#include <asm/mce.h>

#define BIT_64(n) (U64_C(1) << (n))

#define EC(x) ((x) & 0xffff)
#define XEC(x, mask) (((x) >> 16) & mask)

Expand Down

0 comments on commit e8f380e

Please sign in to comment.