On 09/24/20 12:21, Malgorzata Kukiello wrote: > REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2982 > > The workaround in the UEFI memmap construction, near the end of the > function CoreGetMemoryMap() [MdeModulePkg/Core/Dxe/Mem/Page.c] should > not clear the SP and CRYPTO bits, because OSes do (apparently) correctly > interpret SP and CRYPTO as capabilities, and not as currently set > attributes (upon which the OSes should set their page tables). For this > reason, the SP and CRYPTO bits should be separated from the bitmask that > we use for hiding the page-access attributes, in the workaround > > Signed-off-by: Malgorzata Kukiello <[email protected]> > Cc: Michael D Kinney <[email protected]> > Cc: Jian J Wang <[email protected]> > Cc: Hao A Wu <[email protected]> > Cc: Dandan Bi <[email protected]> > Cc: Liming Gao <[email protected]> > Cc: Zhiguang Liu <[email protected]> > Cc: Oleksiy Yakovlev <[email protected]> > Cc: Ard Biesheuvel (ARM address) <[email protected]> > > MdeModulePkg/Core/Dxe/Mem/Page.c | 12 ++++++------ > MdePkg/Include/Uefi/UefiSpec.h | 3 ++- > 2 files changed, 8 insertions(+), 7 deletions(-)
series Reviewed-by: Laszlo Ersek <[email protected]> -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#65569): https://edk2.groups.io/g/devel/message/65569 Mute This Topic: https://groups.io/mt/77056340/21656 Group Owner: [email protected] Unsubscribe: https://edk2.groups.io/g/devel/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
