From: Paul Mackerras Date: Fri, 12 Jun 2009 21:10:41 +0000 (+0000) Subject: powerpc: Use generic atomic64_t implementation on 32-bit processors X-Git-Tag: firefly_0821_release~13700^2~48 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c2e95c6d7a9b9d8f023c3639edbb1da65ccd15ac;p=firefly-linux-kernel-4.4.55.git powerpc: Use generic atomic64_t implementation on 32-bit processors This makes 32-bit powerpc use the generic atomic64_t implementation. Signed-off-by: Paul Mackerras Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index eae0c2bbbf38..9fb344d5a86a 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -125,6 +125,7 @@ config PPC select USE_GENERIC_SMP_HELPERS if SMP select HAVE_OPROFILE select HAVE_SYSCALL_WRAPPERS if PPC64 + select GENERIC_ATOMIC64 if PPC32 config EARLY_PRINTK bool diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index b7d2d07b6f96..4012483b1899 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -470,6 +470,9 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) +#else /* __powerpc64__ */ +#include + #endif /* __powerpc64__ */ #include