Re: [RFC PATCH 1/2] mm/mmu_gather: Invalidate TLB correctly on batch allocation failure and flush

From: Peter Zijlstra
Date: Wed Dec 18 2019 - 04:01:45 EST


On Wed, Dec 18, 2019 at 10:52:53AM +0530, Aneesh Kumar K.V wrote:
> Upstream ppc64 is broken after the commit: a46cc7a90fd8
> ("powerpc/mm/radix: Improve TLB/PWC flushes").
>
> Also the patches are not adding any extra TLBI on either radix or hash.
>
> Considering we need to backport this to stable and other distributions,
> how about we do this early patches in your series before the Kconfig rename?
> This should enable stable to pick them up with less dependencies.

OK I suppose. Will you send a new series?