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author | Zhiguang Liu <zhiguang.liu@intel.com> | 2023-01-04 11:42:43 +0800 |
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committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-02-03 08:24:55 +0000 |
commit | 13b97736c876919b9786055829caaa4fa46984b7 (patch) | |
tree | 3c86dc7643fa08d1257187c1ba93905be5f8e275 /MdeModulePkg | |
parent | 11f0014c0e3046e3762eac420b760091d0cdc063 (diff) | |
download | edk2-13b97736c876919b9786055829caaa4fa46984b7.tar.gz edk2-13b97736c876919b9786055829caaa4fa46984b7.tar.bz2 edk2-13b97736c876919b9786055829caaa4fa46984b7.zip |
UefiCpuPkg: Fix SMM code hangs when InitPaging
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4246
In function InitPaging, NumberOfPml5Entries is calculated by below code
NumberOfPml5Entries = (UINTN)LShiftU64 (1, SizeOfMemorySpace - 48);
If the SizeOfMemorySpace is larger than 48, NumberOfPml5Entries will be
larger than 1. However, this doesn't make sense if the hardware doesn't
support 5 level page table.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Wu, Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Eric Dong <eric.dong@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
Diffstat (limited to 'MdeModulePkg')
0 files changed, 0 insertions, 0 deletions