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KVM: MMU: Use list_for_each_entry_safe in kvm_mmu_commit_zap_page()

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We are traversing the linked list, invalid_list, deleting each entry by
kvm_mmu_free_page().  _safe version is there for such a case.

Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Takuya Yoshikawa 2013-03-06 16:05:52 +09:00 committed by Marcelo Tosatti
parent 1044b03034
commit 945315b9db
1 changed files with 3 additions and 4 deletions
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7
arch/x86/kvm/mmu.c
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@ -2087,7 +2087,7 @@ 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;
@ -2104,11 +2104,10 @@ 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_free_page(sp);
} while (!list_empty(invalid_list));
}
}
/*