From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Salter Subject: [PATCH] dapl: aarch64 support for linux Date: Wed, 13 May 2015 15:05:33 -0400 Message-ID: <1431543933-27781-1-git-send-email-msalter@redhat.com> Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Arlin Davis Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mark Salter List-Id: linux-rdma@vger.kernel.org Add atomic ops to fix builds for aarch64 Linux. Signed-off-by: Mark Salter --- dapl/udapl/linux/dapl_osd.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/dapl/udapl/linux/dapl_osd.h b/dapl/udapl/linux/dapl_osd.h index 10f71b0..2b255d0 100644 --- a/dapl/udapl/linux/dapl_osd.h +++ b/dapl/udapl/linux/dapl_osd.h @@ -50,7 +50,8 @@ #endif /* __linux__ */ #if !defined (__i386__) && !defined (__ia64__) && !defined(__x86_64__) && \ - !defined(__PPC__) && !defined(__PPC64__) && !defined(__s390x__) + !defined(__PPC__) && !defined(__PPC64__) && !defined(__s390x__) && \ + !defined(__aarch64__) #error UNDEFINED ARCH #endif @@ -214,6 +215,8 @@ dapl_os_atomic_inc ( : "=&r" (tmp), "+m" (v) : "b" (v) : "cc"); +#elif defined(__aarch64__) + __atomic_fetch_add(v, 1, __ATOMIC_ACQ_REL); #else /* !__ia64__ */ __asm__ __volatile__ ( "lock;" "incl %0" @@ -258,6 +261,8 @@ dapl_os_atomic_dec ( : "=&r" (tmp), "+m" (v) : "b" (v) : "cc"); +#elif defined(__aarch64__) + __atomic_fetch_add(v, -1, __ATOMIC_ACQ_REL); #else /* !__ia64__ */ __asm__ __volatile__ ( "lock;" "decl %0" @@ -322,6 +327,10 @@ dapl_os_atomic_assign ( : "=&r" (current_value), "=m" (*v) : "r" (v), "r" (match_value), "r" (new_value), "m" (*v) : "cc", "memory"); +#elif defined(__aarch64__) + current_value = match_value; + __atomic_compare_exchange_n(v, ¤t_value, new_value, 1, + __ATOMIC_ACQ_REL, __ATOMIC_RELAXED); #else __asm__ __volatile__ ( "lock; cmpxchgl %1, %2" -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html