2 Aug
2021
2 Aug
'21
4:50 a.m.
On Mon, Aug 2, 2021 at 3:19 AM Simon Glass sjg@chromium.org wrote:
On Sat, 31 Jul 2021 at 02:45, Bin Meng bmeng.cn@gmail.com wrote:
The size parameter of mtrr_add_request() and mtrr_set_next_var() shall be power of 2, otherwise the logic creates a mask that does not meet the requirement of IA32_MTRR_PHYSMASK register.
Programming such a mask value to IA32_MTRR_PHYSMASK generates #GP.
Signed-off-by: Bin Meng bmeng.cn@gmail.com
arch/x86/cpu/mtrr.c | 7 +++++++ arch/x86/include/asm/mtrr.h | 7 ++++--- 2 files changed, 11 insertions(+), 3 deletions(-)
Reviewed-by: Simon Glass sjg@chromium.org Tested on chromebook_coral, chromebook_samus, chromebook_link, minnowmax Tested-by: Simon Glass sjg@chromium.org
applied to u-boot-x86, thanks!