mirror of https://github.com/acidanthera/audk.git
872f953262
The current variable policy is allocated by AllocatePool(), which is boot time only. This means that if you do any variable setting in the runtime, the policy has been freed. Ordinarily this isn't detected because freed memory is still there, but when you boot the Linux kernel, it's been remapped so the actual memory no longer exists in the memory map causing a page fault. Fix this by making it AllocateRuntimePool(). For SMM drivers, the platform DSC is responsible for resolving the MemoryAllocationLib class to the SmmMemoryAllocationLib instance. In the SmmMemoryAllocationLib instance, AllocatePool() and AllocateRuntimePool() are implemented identically. Therefore this change is a no-op when the RegisterVariablePolicy() function is built into an SMM driver. The fix affects runtime DXE drivers only. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3092 Signed-off-by: James Bottomley <jejb@linux.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn> |
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| .. | ||
| Application | ||
| Bus | ||
| Core | ||
| Include | ||
| Library | ||
| Logo | ||
| Test | ||
| Universal | ||
| MdeModulePkg.ci.yaml | ||
| MdeModulePkg.dec | ||
| MdeModulePkg.dsc | ||
| MdeModulePkg.uni | ||
| MdeModulePkgExtra.uni | ||