Messages in this thread Patch in this message | | | From | linmiaohe <> | Subject | [PATCH] KVM: explicitly set rmap_head->val to 0 in pte_list_desc_remove_entry() | Date | Thu, 5 Dec 2019 11:40:16 +0800 |
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From: Miaohe Lin <linmiaohe@huawei.com>
When we reach here, we have desc->sptes[j] = NULL with j = 0. So we can replace desc->sptes[0] with 0 to make it more clear. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- arch/x86/kvm/mmu/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 6f92b40d798c..a81c605abbba 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -1410,7 +1410,7 @@ pte_list_desc_remove_entry(struct kvm_rmap_head *rmap_head, if (j != 0) return; if (!prev_desc && !desc->more) - rmap_head->val = (unsigned long)desc->sptes[0]; + rmap_head->val = 0; else if (prev_desc) prev_desc->more = desc->more; -- 2.19.1
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