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From: Miaohe Lin <linmiaohe@huawei.com>
To: <seanjc@google.com>, <pbonzini@redhat.com>, <tglx@linutronix.de>,
	<mingo@redhat.com>, <bp@alien8.de>, <dave.hansen@linux.intel.com>
Cc: <x86@kernel.org>, <hpa@zytor.com>, <kvm@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linmiaohe@huawei.com>
Subject: [PATCH] KVM: x86/mmu: use helper macro SPTE_ENT_PER_PAGE
Date: Tue, 13 Sep 2022 16:54:52 +0800	[thread overview]
Message-ID: <20220913085452.25561-1-linmiaohe@huawei.com> (raw)

Use helper macro SPTE_ENT_PER_PAGE to get the number of spte entries
per page. Minor readability improvement.

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 858bc53cfab4..45c532d00f78 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -1645,7 +1645,7 @@ static int is_empty_shadow_page(u64 *spt)
 	u64 *pos;
 	u64 *end;
 
-	for (pos = spt, end = pos + PAGE_SIZE / sizeof(u64); pos != end; pos++)
+	for (pos = spt, end = pos + SPTE_ENT_PER_PAGE; pos != end; pos++)
 		if (is_shadow_present_pte(*pos)) {
 			printk(KERN_ERR "%s: %p %llx\n", __func__,
 			       pos, *pos);
-- 
2.23.0


             reply	other threads:[~2022-09-13  8:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-13  8:54 Miaohe Lin [this message]
2022-10-05 23:17 ` [PATCH] KVM: x86/mmu: use helper macro SPTE_ENT_PER_PAGE Sean Christopherson
2022-10-15  2:39   ` Miaohe Lin
2022-10-22  8:43 ` Paolo Bonzini

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