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    locking/atomic/x86: Use atomic_try_cmpxchg() · e6790e4b
    Peter Zijlstra 提交于
    Better code generation:
    
          text           data  bss        name
      10665111        4530096  843776     defconfig-build/vmlinux.3
      10655703        4530096  843776     defconfig-build/vmlinux.4
    Signed-off-by: NPeter 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: NIngo Molnar <mingo@kernel.org>
    e6790e4b
atomic64_64.h 6.0 KB