| Message ID | 1431543933-27781-1-git-send-email-msalter@redhat.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
Acked-by: Arlin Davis <arlin.r.davis@intel.com> > -----Original Message----- > From: Mark Salter [mailto:msalter@redhat.com] > Sent: Wednesday, May 13, 2015 12:06 PM > To: Davis, Arlin R > Cc: linux-rdma@vger.kernel.org; Mark Salter > Subject: [PATCH] dapl: aarch64 support for linux > > Add atomic ops to fix builds for aarch64 Linux. > > Signed-off-by: Mark Salter <msalter@redhat.com> > --- > 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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"
Add atomic ops to fix builds for aarch64 Linux. Signed-off-by: Mark Salter <msalter@redhat.com> --- dapl/udapl/linux/dapl_osd.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)