From: kfraser@localhost.localdomain Date: Tue, 7 Nov 2006 12:31:17 +0000 (+0000) Subject: [BLKTAP] No need for barrier when updating rsp_prod_pvt. X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=bcc2aed22acbbe0d319e18f7e06c249c03daf100;p=xen.git [BLKTAP] No need for barrier when updating rsp_prod_pvt. Signed-off-by: Keir Fraser --- diff --git a/tools/blktap/drivers/tapdisk.c b/tools/blktap/drivers/tapdisk.c index 236e4ca2cf..0c9b623abe 100644 --- a/tools/blktap/drivers/tapdisk.c +++ b/tools/blktap/drivers/tapdisk.c @@ -381,7 +381,6 @@ static inline int write_rsp_to_ring(struct td_state *s, blkif_response_t *rsp) rsp_d = RING_GET_RESPONSE(&info->fe_ring, info->fe_ring.rsp_prod_pvt); memcpy(rsp_d, rsp, sizeof(blkif_response_t)); - wmb(); info->fe_ring.rsp_prod_pvt++; return 0;