Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8d2d73...
Commit: 8d2d73b9a5c35f2c6abf427afba7888cfc4cc65d
Parent: e693d71b46e64536581bf4884434fc1b8797e96f
Author: Avi Kivity <avi@qumranet.com>
AuthorDate: Wed Jun 4 18:42:24 2008 +0300
Committer: Avi Kivity <avi@qumranet.com>
CommitDate: Fri Jun 6 21:32:20 2008 +0300
KVM: MMU: reschedule during shadow teardown
Shadows for large guests can take a long time to tear down, so reschedule
occasionally to avoid softlockup warnings.
Signed-off-by: Avi Kivity <avi@qumranet.com>
---
arch/x86/kvm/mmu.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 7246b60..c2fd6a4 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1858,6 +1858,7 @@ static void free_mmu_pages(struct kvm_vcpu *vcpu)
sp = container_of(vcpu->kvm->arch.active_mmu_pages.next,
struct kvm_mmu_page, link);
kvm_mmu_zap_page(vcpu->kvm, sp);
+ cond_resched();
}
free_page((unsigned long)vcpu->arch.mmu.pae_root);
}
--
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