Re: + mm-memfd-add-documentation-for-mfd_noexec_seal-mfd_exec-v3.patch added to mm-hotfixes-unstable branch

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On Fri, 14 Jun 2024 11:05:58 -0700 Jeff Xu <jeffxu@xxxxxxxxxxxx> wrote:

> Hi Andrew
> 
> On Fri, Jun 14, 2024 at 10:31 AM Andrew Morton
> <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > On Fri, 14 Jun 2024 07:32:07 -0700 Jeff Xu <jeffxu@xxxxxxxxxxxx> wrote:
> >
> > > Hi Andrew,
> > >
> > > By fixing the document, the usage of MFD_NOEXEC_SEAL shall be clear.
> > > Was the previous patch (which  changed ABI)  removed from unstable ?
> > >
> > > I pulled the mm-unstable this morning, it seems that patch is still here.
> > > I'm not sure about the process of reverting it, hence asking.
> > >
> > > c1e11be9abae86ebe5cecc42abc412f61ae563c6
> > >  memfd: `MFD_NOEXEC_SEAL` should not imply `MFD_ALLOW_SEALING`
> > >
> >
> > I'm not completely sure what you're asking here.
> >
> > Please try not to use terms like "the previous patch".  There are a lot
> > of patches!
> >
> > I *think* you're saying that the patch "mm/memfd: add documentation for
> > MFD_NOEXEC_SEAL MFD_EXEC" (and its two fixups) are tied to the patch
> > "memfd: `MFD_NOEXEC_SEAL` should not imply `MFD_ALLOW_SEALING`".
> >
> > If so then this escaped me and I shall rearrange the grouping to be
> > more logical.
> >
> > The base patch "memfd: `MFD_NOEXEC_SEAL` should not imply `MFD_ALLOW_SEALING`" is in mm-unstable but I need to revisit the discussion to see whether we should be proceeding with it.  Any guidance you can offer here will be helpful.
> >
> >
> Apology for the confusion.
> 
> The  patch memfd: `MFD_NOEXEC_SEAL` should not imply `MFD_ALLOW_SEALING`"
> changes ABI, and I think it is risky and should be removed.

OK, I'll drop that one.





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