diff options
author | Andreas Herrmann <[email protected]> | 2010-04-27 12:13:48 +0200 |
---|---|---|
committer | H. Peter Anvin <[email protected]> | 2010-05-13 16:21:20 -0700 |
commit | f01487119dda3d9f58c9729c7361ecc50a61c188 (patch) | |
tree | bbd1d01429950207716337fbbd9e9f356560258c /net/lapb/lapb_in.c | |
parent | b0c4d952a158a6a2547672cf4fc9d55e415410de (diff) |
x86, amd: Check X86_FEATURE_OSVW bit before accessing OSVW MSRs
If host CPU is exposed to a guest the OSVW MSRs are not guaranteed
to be present and a GP fault occurs. Thus checking the feature flag is
essential.
Cc: <[email protected]> # .32.x .33.x
Signed-off-by: Andreas Herrmann <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
Diffstat (limited to 'net/lapb/lapb_in.c')
0 files changed, 0 insertions, 0 deletions