Commit-ID: b226fa12991d6ee9b6b13a7e1de88ec5d25f5007 Gitweb: http://git.kernel.org/tip/b226fa12991d6ee9b6b13a7e1de88ec5d25f5007 Author: Ingo Molnar <mingo@xxxxxxx> AuthorDate: Tue, 7 Apr 2009 11:30:17 +0200 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Tue, 7 Apr 2009 11:32:43 +0200 x86, perfcounters: add atomic64_xchg() Complete atomic64_t support on the 32-bit side by adding atomic64_xch(). Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> LKML-Reference: <20090406094518.445450972@xxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/include/asm/atomic_32.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/atomic_32.h b/arch/x86/include/asm/atomic_32.h index 977250e..a9fef6c 100644 --- a/arch/x86/include/asm/atomic_32.h +++ b/arch/x86/include/asm/atomic_32.h @@ -306,6 +306,12 @@ static inline void atomic64_set(atomic64_t *ptr, unsigned long long new_val) } while (atomic64_cmpxchg(ptr, old_val, new_val) != old_val); } +static inline void +atomic64_xchg(atomic64_t *ptr, unsigned long long new_val) +{ + atomic64_set(ptr, new_val); +} + /** * atomic64_read - read atomic64 variable * @ptr: pointer to type atomic64_t -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html