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| author |   Avi Kivity <avi@redhat.com> | 2011-01-06 18:09:12 +0200 |
|---|---|---|
| committer |   Marcelo Tosatti <mtosatti@redhat.com> | 2011-03-17 13:08:26 -0300 |
| commit | 40712faeb84dacfcb3925a88231daa08b3624d34 (patch) | |
| tree | f2d916b387dcf6613a4a3a43d10f96b979eb17f2 /kernel | |
| parent | KVM: VMX: Simplify saving guest rcx in vmx_vcpu_run (diff) | |
| download | wireguard-linux-40712faeb84dacfcb3925a88231daa08b3624d34.tar.xz wireguard-linux-40712faeb84dacfcb3925a88231daa08b3624d34.zip | |
KVM: VMX: Avoid atomic operation in vmx_vcpu_run
Instead of exchanging the guest and host rcx, have separate storage
for each. This allows us to avoid using the xchg instruction, which
is is a little slower than normal operations.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions