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| author | Peter Zijlstra <peterz@infradead.org> | 2017-02-01 16:07:55 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-23 08:54:41 +0100 |
| commit | b78c0d471255e99411d6c1b3975df21c3cd9f349 (patch) | |
| tree | 799156a3c194a43bcfe79f34a5d921f526f97103 /Documentation | |
| parent | a9ebf306f52c756c4f9e50ee9a60cd6389d71344 (diff) | |
locking/refcounts: Use atomic_try_cmpxchg()
Generates better code (GCC-6.2.1):
text filename
1576 defconfig-build/lib/refcount.o.pre
1488 defconfig-build/lib/refcount.o.post
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions