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If last_boosted_vcpu == 0, then we fall through all test cases and may end up with all VCPUs pouncing on vcpu 0. With a large enough guest, this can result in enormous runqueue lock contention, which can prevent vcpu0 from running, leading to a livelock. Changing < to <= makes sure we properly handle that case. Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> |
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assigned-dev.c | ||
async_pf.c | ||
async_pf.h | ||
coalesced_mmio.c | ||
coalesced_mmio.h | ||
eventfd.c | ||
ioapic.c | ||
ioapic.h | ||
iodev.h | ||
iommu.c | ||
irq_comm.c | ||
Kconfig | ||
kvm_main.c |