On Fri, 07 Aug, at 09:37:00AM, Matt Fleming wrote: > From: "Jonathan (Zhixiong) Zhang" <zjzhang@xxxxxxxxxxxxxx> > > Table 8 of UEFI 2.5 section 2.3.6.1 defines mappings from EFI > memory types to MAIR attribute encodings for arm64. > > If the physical address has memory attributes defined by EFI > memmap as EFI_MEMORY_[UC|WC|WT], return approprate page protection > type according to the UEFI spec. Otherwise, return PAGE_KERNEL. > > Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx> > Acked-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx> > Signed-off-by: Jonathan (Zhixiong) Zhang <zjzhang@xxxxxxxxxxxxxx> > Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxx> > --- > arch/arm64/include/asm/acpi.h | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > Ard Biesheuvel has brought up a concern with this patch and it's currently under discussion here, https://lkml.kernel.org/r/CAKv+Gu8+g3dTaNzXjSD=5GxproaHM+Eu1hLmRWp7cVrQimzbHQ@xxxxxxxxxxxxxx -- Matt Fleming, Intel Open Source Technology Center -- 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
