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From: "xianglai" <lixianglai@loongson.cn>
To: devel@edk2.groups.io
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Bibo Mao <maobibo@loongson.cn>,
	Chao Li <lichao@loongson.cn>,
	Leif Lindholm <quic_llindhol@quicinc.com>,
	Liming Gao <gaoliming@byosoft.com.cn>,
	Michael D Kinney <michael.d.kinney@intel.com>
Subject: [edk2-platforms][PATCH V3 6/8] Platform/Loongson: Optimize page table entry null determination.
Date: Fri, 13 Jan 2023 10:05:10 +0800
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Content-Transfer-Encoding: 8bit

Modify the null judgment condition of page table entries.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Bibo Mao <maobibo@loongson.cn>
Cc: Chao Li <lichao@loongson.cn>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: xianglai li <lixianglai@loongson.cn>
---
 Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h b/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h
index 6ab07e7900..84c7c13919 100644
--- a/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h
+++ b/Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/page.h
@@ -275,6 +275,6 @@ pte_none (
   IN PTE pte
   )
 {
-  return (!(PTE_VAL(pte) & (~PAGE_GLOBAL)));
+  return (!(PTE_VAL(pte) & (~PAGE_VALID)));
 }
 #endif // PAGE_H_
-- 
2.31.1