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2006 Sep 28
0
[Patch] Remove unnecessary tlb flush in blktap_poll
...p.c
--- a/linux-2.6-xen-sparse/drivers/xen/blktap/blktap.c Thu Sep 28 23:24:43 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/blktap/blktap.c Thu Sep 28 23:29:31 2006 +0100
@@ -680,7 +680,6 @@ static unsigned int blktap_poll(struct f
poll_wait(file, &info->wait, wait);
if (info->ufe_ring.req_prod_pvt != info->ufe_ring.sring->req_prod) {
- flush_tlb_all();
RING_PUSH_REQUESTS(&info->ufe_ring);
return POLLIN | POLLRDNORM;
}
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