On Wed, 02 Mar, at 02:07:36PM, Ard Biesheuvel wrote: > On 2 March 2016 at 12:49, Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, 22 Feb, at 03:25:54PM, Ard Biesheuvel wrote: > >> Recent UEFI versions expose permission attributes for runtime services > >> memory regions, either in the UEFI memory map or in the separate memory > >> attributes table. This allows the kernel to map these regions with > >> stricter permissions, rather than the RWX permissions that are used by > >> default. So wire this up in our mapping routine. > >> > >> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > >> --- > >> arch/arm/include/asm/efi.h | 1 + > >> arch/arm/kernel/efi.c | 41 ++++++++++++++++++++ > >> 2 files changed, 42 insertions(+) > > > > Looks fine from an EFI perspective, but it would be nice for somebody > > else with ARM knowledge to ACK it. > > I agree. > > Note that the whole memory attribute series needs to wait for some > memremap() changes that I proposed for ARM (or at least the bits where > we wire it up for arm64+ARM) Thanks for the reminder. I'll definitely hold off on applying this for now. -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
