Re: [PATCH v5 08/10] arm64/mmu: add contiguous bit to sanity bug check

2017-03-09 Thread Mark Rutland
On Thu, Mar 09, 2017 at 09:25:10AM +0100, Ard Biesheuvel wrote: > A mapping with the contiguous bit cannot be safely manipulated while > live, regardless of whether the bit changes between the old and new > mapping. So take this into account when deciding whether the change > is safe. > >

[PATCH v5 08/10] arm64/mmu: add contiguous bit to sanity bug check

2017-03-09 Thread Ard Biesheuvel
A mapping with the contiguous bit cannot be safely manipulated while live, regardless of whether the bit changes between the old and new mapping. So take this into account when deciding whether the change is safe. Signed-off-by: Ard Biesheuvel --- arch/arm64/mm/mmu.c