After ConvertMemoryPageToNotPresent, there is always a flush TLB function. So, to improve performance, there is no need to write CR3 inside ConvertMemoryPageToNotPresent
Cc: Ray Ni <ray...@intel.com> Cc: Laszlo Ersek <ler...@redhat.com> Cc: Rahul Kumar <rahul1.ku...@intel.com> Cc: Gerd Hoffmann <kra...@redhat.com> Signed-off-by: Zhiguang Liu <zhiguang....@intel.com> --- UefiCpuPkg/CpuMpPei/CpuPaging.c | 1 - 1 file changed, 1 deletion(-) diff --git a/UefiCpuPkg/CpuMpPei/CpuPaging.c b/UefiCpuPkg/CpuMpPei/CpuPaging.c index 15c7015fb8..c6894458f7 100644 --- a/UefiCpuPkg/CpuMpPei/CpuPaging.c +++ b/UefiCpuPkg/CpuMpPei/CpuPaging.c @@ -167,7 +167,6 @@ ConvertMemoryPageToNotPresent ( } ASSERT_EFI_ERROR (Status); - AsmWriteCr3 (PageTable); return Status; } -- 2.31.1.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#113514): https://edk2.groups.io/g/devel/message/113514 Mute This Topic: https://groups.io/mt/103636435/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-