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



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Reviewed-by: Chao Li <lichao@loongson.cn>


Thanks,
Chao
在 2023/1/13 11:17, xianglai 写道:
> 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_


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