x86emul: check for SYSENTER/SYSEXIT availability
authorJan Beulich <jbeulich@suse.com>
Wed, 14 Dec 2016 09:09:40 +0000 (10:09 +0100)
committerJan Beulich <jbeulich@suse.com>
Wed, 14 Dec 2016 09:09:40 +0000 (10:09 +0100)
commitd95533f554cde498b9afe731b94a4d9198b47cbe
tree0ea2fd0e44bc315c186bbfc11ca9e396695c91ad
parent54abe826c8297e12f805be2bcf318ef75cc7f58d
x86emul: check for SYSENTER/SYSEXIT availability

We can't exclude someone wanting to hide the instructions from guests.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
xen/arch/x86/x86_emulate/x86_emulate.c