On Wed, Apr 21, 2021 at 2:17 PM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > > On Wed, Apr 21, 2021 at 2:05 PM Peter Xu <peterx@xxxxxxxxxx> 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. Posted 4.19 backport: https://lore.kernel.org/patchwork/patch/1416747 and 4.14 backport: https://lore.kernel.org/patchwork/patch/1416748. They are identical but Greg asked me to submit separate patches due to an additional minor merge conflict in 4.14. > Cheers, > Suren. > > > > > Thanks, > > > > -- > > Peter Xu > > > > -- > > To unsubscribe from this group and stop receiving emails from it, send an email to kernel-team+unsubscribe@xxxxxxxxxxx. > >