Messages in this thread | | | Date | Wed, 22 Mar 2017 08:31:36 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 4/6] x86/kasan: Prepare clear_pgds() to switch to <asm-generic/pgtable-nop4d.h> |
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* Andrey Ryabinin <aryabinin@virtuozzo.com> wrote:
> > > On 03/17/2017 09:55 PM, Kirill A. Shutemov wrote: > > With folded p4d, pgd_clear() is nop. Change clear_pgds() to use > > p4d_clear() instead. > > > > You could probably just use set_pgd(pgd_offset_k(start), __pgd(0)); instead of pgd_clear() > as we already do in arm64. > It's basically pgd_clear() except it's not a nop wih p4d folded.
Makes sense. Kirill, if you agree, mind spinning a v2 patch?
Thanks,
Ingo
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