diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-08-27 08:18:43 -0400 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-09-11 04:31:53 -0400 |
| commit | 44874f84918e37b64bec6df1587e5fe2fdf6ab62 (patch) | |
| tree | 8fc95bb2358322ddd9307d231849d7c0a064b001 /arch/x86/xen/setup.c | |
| parent | adee14b2e1557d0a8559f29681732d05a89dfc35 (diff) | |
KVM: SVM: fix random segfaults with NPT enabled
This patch introduces a guest TLB flush on every NPF exit in KVM. This fixes
random segfaults and #UD exceptions in the guest seen under some workloads
(e.g. long running compile workloads or tbench). A kernbench run with and
without that fix showed that it has a slowdown lower than 0.5%
Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/xen/setup.c')
0 files changed, 0 insertions, 0 deletions