Messages in this thread | | | Date | Thu, 18 Nov 2004 22:16:56 -0800 | From | "David S. Miller" <> | Subject | Re: Six archs are missing atomic_inc_return() |
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On Thu, 18 Nov 2004 20:48:36 -0800 Andrew Morton <akpm@osdl.org> wrote:
> Chuck Ebbert <76306.1226@compuserve.com> wrote: > > > > Six archs do not have the atomic_inc_return() macro as of 2.6.10-rc2: > > > > cris > > h8300 > > m32r > > ppc > > ppc64 > > s390 > > All of these architectures implement atomic_add_return(). So they all need > > #define atomic_inc_return(v) atomic_add_return(1, v) > > added to their atomic.h. > > Wanna send a patch?
Come again? They all seem to have it in current 2.6.x BK as far as I can tell.
davem@nuts:/disk1/BK/sparc-2.6$ egrep atomic_inc_return include/asm-cris/atomic.h include/asm-h8300/atomic.h include/asm-m32r/atomic.h include/asm-ppc/atomic.h include/asm-ppc64/atomic.h include/asm-s390/atomic.h include/asm-cris/atomic.h:extern __inline__ int atomic_inc_return(volatile atomic_t *v) include/asm-h8300/atomic.h:static __inline__ int atomic_inc_return(atomic_t *v) include/asm-h8300/atomic.h:#define atomic_inc(v) atomic_inc_return(v) include/asm-h8300/atomic.h:#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) include/asm-m32r/atomic.h: * atomic_inc_return - increment atomic variable and return it include/asm-m32r/atomic.h:static inline int atomic_inc_return(atomic_t *v) include/asm-m32r/atomic.h: "# atomic_inc_return \n\t" include/asm-m32r/atomic.h:#define atomic_inc(v) ((void)atomic_inc_return(v)) include/asm-m32r/atomic.h:#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) include/asm-ppc/atomic.h:static __inline__ int atomic_inc_return(atomic_t *v) include/asm-ppc/atomic.h:"1: lwarx %0,0,%1 # atomic_inc_return\n\ include/asm-ppc/atomic.h:#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) include/asm-ppc64/atomic.h:static __inline__ int atomic_inc_return(atomic_t *v) include/asm-ppc64/atomic.h:"1: lwarx %0,0,%1 # atomic_inc_return\n\ include/asm-ppc64/atomic.h:#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) include/asm-s390/atomic.h:static __inline__ int atomic_inc_return(volatile atomic_t * v) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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