We are traversing the linked list, invalid_list, deleting each entry by
kvm_mmu_free_page(). _safe version is there for such a case.
Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@xxxxxxxxxxxxx>
---
arch/x86/kvm/mmu.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 376cec8..46b1435 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2103,7 +2103,7 @@ static int kvm_mmu_prepare_zap_page(struct kvm *kvm, struct kvm_mmu_page *sp,
static void kvm_mmu_commit_zap_page(struct kvm *kvm,
struct list_head *invalid_list)
{
- struct kvm_mmu_page *sp;
+ struct kvm_mmu_page *sp, *nsp;
if (list_empty(invalid_list))
return;
@@ -2120,12 +2120,11 @@ static void kvm_mmu_commit_zap_page(struct kvm *kvm,
*/
kvm_flush_remote_tlbs(kvm);
- do {
- sp = list_first_entry(invalid_list, struct kvm_mmu_page, link);
+ list_for_each_entry_safe(sp, nsp, invalid_list, link) {
WARN_ON(!sp->role.invalid || sp->root_count);
kvm_mmu_isolate_page(sp);
kvm_mmu_free_page(sp);
- } while (!list_empty(invalid_list));
+ }
}
/*
--
1.7.5.4
--
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