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SubjectRe: [PATCH 0/5] 4.14 backports of fixes for "CoW after fork() issue"
On Wed, Apr 21, 2021 at 2:05 PM Peter Xu <peterx@redhat.com> wrote:
>
> Hi, Suren,
>
> On Wed, Apr 21, 2021 at 01:01:34PM -0700, Suren Baghdasaryan wrote:
> > Peter, you mentioned https://lkml.org/lkml/2020/8/10/439 patch to
> > distinguish real writes vs enforced COW read requests, however I also
> > see that you had a later version of this patch here:
> > https://lore.kernel.org/patchwork/patch/1286506/. Which one should I
> > backport? Or is it not needed in the absence of uffd-wp support in the
> > earlier kernels?
>
> Sorry I have no ability to evaluate the rest... but according to Linus's
> previous reply, my understanding is that it is not needed, not to mention it's
> not upstreamed too.

Thanks! Then I'll send the backports for 17839856fd58 alone and if
more backports are needed I'll post followup patches.
Cheers,
Suren.

>
> Thanks,
>
> --
> Peter Xu
>
> --
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