On Wed, Mar 22, 2017 at 10:12:24PM -0400, Jarod Wilson wrote:
> The definition for udma_to_device_barrier on aarch64 is missing. Looks
> like an oversight in the commit that removed the old barrier macros and
> added this one.
>
> Fixes: 85a5529dead5 ("Remove the old barrier macros")
> CC: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jarod Wilson <jarod@xxxxxxxxxx>
> util/udma_barrier.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/util/udma_barrier.h b/util/udma_barrier.h
> index 86578af5..9932a687 100644
> +++ b/util/udma_barrier.h
> @@ -93,7 +93,7 @@
> #elif defined(__sparc_v9__)
> #define udma_to_device_barrier() asm volatile("membar #StoreStore" ::: "memory")
> #elif defined(__aarch64__)
> -#define wmb() asm volatile("dsb st" ::: "memory");
> +#define udma_to_device_barrier() asm volatile("dsb st" ::: "memory");
> #elif defined(__sparc__) || defined(__s390x__)
> #define udma_to_device_barrier() asm volatile("" ::: "memory")
> #else
Doh, yep my bad.
https://github.com/linux-rdma/rdma-core/pull/106
Jason
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