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author | Gleb Natapov <gleb@redhat.com> | 2009-06-11 08:06:51 (GMT) |
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committer | Avi Kivity <avi@redhat.com> | 2009-09-10 05:32:57 (GMT) |
commit | 33e4c68656a2e461b296ce714ec322978de85412 (patch) | |
tree | 9fbadb2c192cc22dca24dc6dfac6804dba5e70e8 /arch/x86/kvm/lapic.h | |
parent | 6edf14d8d0df144d6928799040f46fa37b5460ae (diff) | |
download | linux-fsl-qoriq-33e4c68656a2e461b296ce714ec322978de85412.tar.xz |
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/lapic.h')
-rw-r--r-- | arch/x86/kvm/lapic.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index a587f83..3f3ecc6 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -12,6 +12,7 @@ struct kvm_lapic { struct kvm_timer lapic_timer; u32 divide_count; struct kvm_vcpu *vcpu; + bool irr_pending; struct page *regs_page; void *regs; gpa_t vapic_addr; |