KVM: arm/arm64: Release kvm->mmu_lock in loop to prevent starvation

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Do cond_resched_lock() in stage2_flush_memslot() like what is done in
unmap_stage2_range() and other places holding mmu_lock while processing
a possibly large range of memory.

Signed-off-by: Jiang Yi <giangyi@amazon.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20200415084229.29992-1-giangyi@amazon.com

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Jiang Yi 2020-04-15 10:42:29 +02:00 • committed by Marc Zyngier

parent 892713e97c

commit 48c963e31b

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arch/arm64/kvm/mmu.c

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