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| author | Gleb Natapov <gleb@redhat.com> | 2009-06-11 11:06:51 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-09-10 08:32:57 +0300 |
| commit | 33e4c68656a2e461b296ce714ec322978de85412 (patch) | |
| tree | 9fbadb2c192cc22dca24dc6dfac6804dba5e70e8 /arch/x86/kvm/timer.c | |
| parent | 6edf14d8d0df144d6928799040f46fa37b5460ae (diff) | |
| download | blackbird-op-linux-33e4c68656a2e461b296ce714ec322978de85412.tar.gz blackbird-op-linux-33e4c68656a2e461b296ce714ec322978de85412.zip | |
KVM: Optimize searching for highest IRR
Most of the time IRR is empty, so instead of scanning the whole IRR on
each VM entry keep a variable that tells us if IRR is not empty. IRR
will have to be scanned twice on each IRQ delivery, but this is much
more rare than VM entry.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/timer.c')
0 files changed, 0 insertions, 0 deletions
