Hi Gustavo,
On Fri, 2016-22-01 at 16:23:31 UTC, Gustavo Romero wrote:
> Fix si->si_code for guard page access on PowerPC
>
...
>
> diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
> index a67c6d7..6954971 100644
> --- a/arch/powerpc/mm/fault.c
> +++ b/arch/powerpc/mm/fault.c
> @@ -431,8 +431,10 @@ good_area:
> */
> fault = handle_mm_fault(mm, vma, address, flags);
> if (unlikely(fault & (VM_FAULT_RETRY|VM_FAULT_ERROR))) {
> - if (fault & VM_FAULT_SIGSEGV)
> + if (fault & VM_FAULT_SIGSEGV) {
> + code = SEGV_MAPERR;
> goto bad_area;
> + }
> rc = mm_fault_error(regs, address, fault);
> if (rc >= MM_FAULT_RETURN)
> goto bail;
As we discussed on IRC, I'd prefer if this case was handled in
mm_fault_error(). So please send a v2 which does that, or let us know if you
have problems.
cheers
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