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author | neel <neel@FreeBSD.org> | 2012-08-04 02:06:55 +0000 |
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committer | neel <neel@FreeBSD.org> | 2012-08-04 02:06:55 +0000 |
commit | d40b98f60b39af7a76f82076ee5e53f389dc3cba (patch) | |
tree | 3da5056fa03213597ef70b339b09f5046dd288c6 /lib | |
parent | 34ecb49705e4b6d23100af4ad97c0ea3f640f517 (diff) | |
download | FreeBSD-src-d40b98f60b39af7a76f82076ee5e53f389dc3cba.zip FreeBSD-src-d40b98f60b39af7a76f82076ee5e53f389dc3cba.tar.gz |
Force certain bits in %cr4 to be hard-wired to '1' or '0' from a guest's
perspective. If we don't do this some guest OSes (e.g. Linux) will reset
the CR4_VMXE bit in %cr4 with disastrous consequences.
Reported by: grehan
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions