On Wed, Nov 11, 2020 at 09:26:20AM +0100, Christian Borntraeger wrote: > > 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") Ah. The fixup is trivial: just s/follow_pte_pmd/follow_pte/.