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authorJeremy Fitzhardinge <jeremy@goop.org>2008-03-17 16:37:17 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-24 23:57:31 +0200
commite2a81baf6604a2e08e10c7405b0349106f77c8af (patch)
tree3eaf386316be1f499d92fae213493ec3d6b5b576 /lib/crc16.c
parentaa380c82b83252754a8c11bfc92359bd87cbf710 (diff)
xen: support sysenter/sysexit if hypervisor does
64-bit Xen supports sysenter for 32-bit guests, so support its use. (sysenter is faster than int $0x80 in 32-on-64.) sysexit is still not supported, so we fake it up using iret. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'lib/crc16.c')
0 files changed, 0 insertions, 0 deletions