From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Fleming Subject: [GIT PULL] EFI urgent fix Date: Fri, 27 Jan 2017 22:06:03 +0000 Message-ID: <20170127220604.21302-1-matt@codeblueprint.co.uk> Return-path: Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ingo Molnar , Thomas Gleixner , "H . Peter Anvin" Cc: Hanka Pavlikova , Matt Fleming , Ard Biesheuvel , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Borislav Petkov , Borislav Petkov , Jiri Kosina , Laura Abbott , Vojtech Pavlik , Waiman Long List-Id: linux-efi@vger.kernel.org Folks, please pull the below fix from Jiri which fixes a triple fault affecting the Lenovo Yogas since v4.8. The following changes since commit 7a308bb3016f57e5be11a677d15b821536419d36: Linux 4.10-rc5 (2017-01-22 12:54:15 -0800) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git tags/efi-urgent for you to fetch changes up to 090abfc9dc7faf3f84799f956158c8c3af149a81: x86/efi: Always map first physical page into EFI pagetables (2017-01-27 20:20:01 +0000) ---------------------------------------------------------------- * Fix triple fault on boot affecting Lenovo Yoga. The firmware on these machines will write to the zero page even though it's marked EFI_CONVENTIONAL_MEMORY, so we must ensure it's mapped in the EFI page tables - Jiri Kosina ---------------------------------------------------------------- Jiri Kosina (1): x86/efi: Always map first physical page into EFI pagetables arch/x86/platform/efi/efi_64.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)