Re: [PATCH 2/2] mm: simplify follow_pte{,pmd}

[Christian Borntraeger]

On 11.11.20 09:18, Christoph Hellwig wrote:
> On Tue, Nov 10, 2020 at 06:21:22PM -0800, Nick Desaulniers wrote:
>> Sorry, I think this patch may be causing a regression for us for s390?
>> https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/432129279#L768
>>
>> (via https://lore.kernel.org/linux-mm/20201029101432.47011-3-hch@xxxxxx)
> 
> Hmm, the call to follow_pte_pmd in the s390 code does not actually exist
> in my tree.

This is a mid-air collision in linux-next between

b2ff5796a934 ("mm: simplify follow_pte{,pmd}")
a67a88b0b8de ("s390/pci: remove races against pte updates")