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 <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/395740
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Pawel Wodkowski 2018-01-22 18:13:32 +01:00 committed by Jim Harris
parent c1cfc10a59
commit f69503f155

View File

@ -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");