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Date: Mon, 28 Apr 2014 02:11:22 +0100 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "Qiang Huang" <h.huangqiang@...wei.com> Subject: [PATCH 3.2 88/94] drivers: hv: additional switch to use mb() instead of smp_mb() 3.2.58-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Qiang Huang <h.huangqiang@...wei.com> commit e4af376d04b0(drivers: hv: switch to use mb() instead of smp_mb()), the adjustment mistakenly dropped the change in hv_ringbuffer_read, so add it. Signed-off-by: Qiang Huang <h.huangqiang@...wei.com> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- drivers/hv/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -485,7 +485,7 @@ int hv_ringbuffer_read(struct hv_ring_bu /* Make sure all reads are done before we update the read index since */ /* the writer may start writing to the read area once the read index */ /*is updated */ - smp_mb(); + mb(); /* Update the read index */ hv_set_next_read_location(inring_info, next_read_location); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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