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* [PATCH bpf-next] samples/bpf: xdpsock: order memory on AArch64
@ 2018-07-24 13:33 Brian Brooks
  2018-07-25  5:52 ` Daniel Borkmann
  0 siblings, 1 reply; 2+ messages in thread
From: Brian Brooks @ 2018-07-24 13:33 UTC (permalink / raw)
  To: ast, daniel, bjorn.topel, magnus.karlsson
  Cc: netdev, linux-kernel, Brian Brooks

Signed-off-by: Brian Brooks <brian.brooks@linaro.org>
---
 samples/bpf/xdpsock_user.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 5904b1543831..1e82f7c617c3 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -145,8 +145,13 @@ static void dump_stats(void);
 	} while (0)
 
 #define barrier() __asm__ __volatile__("": : :"memory")
+#ifdef __aarch64__
+#define u_smp_rmb() __asm__ __volatile__("dmb ishld": : :"memory")
+#define u_smp_wmb() __asm__ __volatile__("dmb ishst": : :"memory")
+#else
 #define u_smp_rmb() barrier()
 #define u_smp_wmb() barrier()
+#endif
 #define likely(x) __builtin_expect(!!(x), 1)
 #define unlikely(x) __builtin_expect(!!(x), 0)
 
-- 
2.18.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH bpf-next] samples/bpf: xdpsock: order memory on AArch64
  2018-07-24 13:33 [PATCH bpf-next] samples/bpf: xdpsock: order memory on AArch64 Brian Brooks
@ 2018-07-25  5:52 ` Daniel Borkmann
  0 siblings, 0 replies; 2+ messages in thread
From: Daniel Borkmann @ 2018-07-25  5:52 UTC (permalink / raw)
  To: Brian Brooks, ast, bjorn.topel, magnus.karlsson; +Cc: netdev, linux-kernel

On 07/24/2018 03:33 PM, Brian Brooks wrote:
> Signed-off-by: Brian Brooks <brian.brooks@linaro.org>

Please respin with proper commit message instead of empty one.

Thanks,
Daniel

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2018-07-24 13:33 [PATCH bpf-next] samples/bpf: xdpsock: order memory on AArch64 Brian Brooks
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