From: Koichiro Den <den@klaipeden.com>
To: mst@redhat.com, jasowang@redhat.com
Cc: netdev@vger.kernel.org, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: [PATCH 1/2] vhost: remove the possible fruitless search on iotlb prefetch
Date: Sat, 19 Aug 2017 15:41:14 +0900 [thread overview]
Message-ID: <20170819064114.27219-1-den@klaipeden.com> (raw)
Signed-off-by: Koichiro Den <den@klaipeden.com>
---
drivers/vhost/vhost.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index e4613a3c362d..93e909afc1c3 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1184,7 +1184,7 @@ static int iotlb_access_ok(struct vhost_virtqueue *vq,
while (len > s) {
node = vhost_umem_interval_tree_iter_first(&umem->umem_tree,
addr,
- addr + len - 1);
+ addr + len - s - 1);
if (node == NULL || node->start > addr) {
vhost_iotlb_miss(vq, addr, access);
return false;
--
2.9.4
next reply other threads:[~2017-08-19 6:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-19 6:41 Koichiro Den [this message]
2017-08-21 3:09 ` [PATCH 1/2] vhost: remove the possible fruitless search on iotlb prefetch Jason Wang
2017-08-21 19:45 ` Michael S. Tsirkin
[not found] ` <20170821223039-mutt-send-email-mst@kernel.org>
2017-08-22 14:09 ` Koichiro Den
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