Re: [edk2] [PATCH 3/4] ArmPkg/CpuDxe: ARM: ignore page table updates that only change permissions

2017-02-10 Thread Leif Lindholm
On Thu, Feb 09, 2017 at 05:38:10PM +, Ard Biesheuvel wrote: > Currently, we have not implemented support on 32-bit ARM for managing > permission bits in the page tables. Since the new DXE page protection > for PE/COFF images may invoke EFI_CPU_ARCH_PROTOCOL.SetMemoryAttributes() > with only

[edk2] [PATCH 3/4] ArmPkg/CpuDxe: ARM: ignore page table updates that only change permissions

2017-02-09 Thread Ard Biesheuvel
Currently, we have not implemented support on 32-bit ARM for managing permission bits in the page tables. Since the new DXE page protection for PE/COFF images may invoke EFI_CPU_ARCH_PROTOCOL.SetMemoryAttributes() with only permission attributes set, let's simply ignore those for now.