From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Qiang Huang" Date: Mon, 28 Apr 2014 02:11:22 +0100 Message-ID: Subject: [PATCH 3.2 88/94] drivers: hv: additional switch to use mb() instead of smp_mb() In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.2.58-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Qiang Huang 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 Signed-off-by: Ben Hutchings --- 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);