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SubjectRe: [PATCH v3 00/10] userfaultfd: add minor fault handling for shmem
On Thu, Apr 15, 2021 at 12:13 PM Hugh Dickins <hughd@google.com> wrote:
>
> On Thu, 15 Apr 2021, Axel Rasmussen wrote:
>
> > Base
> > ====
> >
> > This series is based on (and therefore should apply cleanly to) the tag
> > "v5.12-rc7-mmots-2021-04-11-20-49", additionally with Peter's selftest cleanup
> > series applied first:
> >
> > https://lore.kernel.org/patchwork/cover/1412450/
> >
> > Changelog
> > =========
> >
> > v2->v3:
> > - Picked up {Reviewed,Acked}-by's.
> > - Reorder commits: introduce CONTINUE before MINOR registration. [Hugh, Peter]
> > - Don't try to {unlock,put}_page an xarray value in shmem_getpage_gfp. [Hugh]
> > - Move enum mcopy_atomic_mode forward declare out of CONFIG_HUGETLB_PAGE. [Hugh]
> > - Keep mistakenly removed UFFD_USER_MODE_ONLY in selftest. [Peter]
> > - Cleanup context management in self test (make clear implicit, remove unneeded
> > return values now that we have err()). [Peter]
> > - Correct dst_pte argument to dst_pmd in shmem_mcopy_atomic_pte macro. [Hugh]
> > - Mention the new shmem support feature in documentation. [Hugh]
>
> I shall ignore this v3 completely: "git send-email" is a wonderful
> tool for mailing out patchsets in quick succession, but I have not
> yet mastered "git send-review" to do the thinking for me as quickly.
>
> Still deliberating on 4/9 and 9/9 of v2: they're very close,
> but raise userfaultfd questions I still have to answer myself.

No problem at all, I'll send a v4 with the 4/9 and 9/9 updates on top
of this, and we can proceed from there, ignoring this version.

Sorry if I seem too eager. I really appreciate your reviews - each
time they are very thorough, and I learn a lot from the process.

>
> Hugh

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