From f69503f155b928cd59b6a845dcb53bdc04b4fa90 Mon Sep 17 00:00:00 2001 From: Pawel Wodkowski Date: Mon, 22 Jan 2018 18:13:32 +0100 Subject: [PATCH] rte_vhost: add offset while mmaping log base address. QEMU always set offset to 0 but for sanity we should take the offset into account. Change-Id: I36213cd8fbeb85862b6de59c60bd6bcee7f9d1b2 Signed-off-by: Pawel Wodkowski Reviewed-on: https://review.gerrithub.io/395740 Reviewed-by: Daniel Verkamp Reviewed-by: Jim Harris Reviewed-by: Dariusz Stojaczyk Tested-by: SPDK Automated Test System --- lib/vhost/rte_vhost/vhost_user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/vhost/rte_vhost/vhost_user.c b/lib/vhost/rte_vhost/vhost_user.c index 47bfe494b..1f293198c 100644 --- a/lib/vhost/rte_vhost/vhost_user.c +++ b/lib/vhost/rte_vhost/vhost_user.c @@ -885,7 +885,7 @@ vhost_user_set_log_base(struct virtio_net *dev, struct VhostUserMsg *msg) * mmap from 0 to workaround a hugepage mmap bug: mmap will * fail when offset is not page size aligned. */ - addr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + addr = mmap(0, size + off, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); close(fd); if (addr == MAP_FAILED) { RTE_LOG(ERR, VHOST_CONFIG, "mmap log base failed!\n");