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authorPeter Zijlstra2017-03-17 20:44:45 +0100
committerIngo Molnar2017-03-23 08:54:41 +0100
commite6790e4b5d5e97dc287f3496dd2cf2dbabdfdb35 (patch)
tree70bb3495496bb4f41221119cc6c6acd954334457 /Documentation/blockdev
parentb78c0d471255e99411d6c1b3975df21c3cd9f349 (diff)
locking/atomic/x86: Use atomic_try_cmpxchg()
Better code generation: text data bss name 10665111 4530096 843776 defconfig-build/vmlinux.3 10655703 4530096 843776 defconfig-build/vmlinux.4 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>
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