Re: [PATCH RESEND 1/2] prctl: Generalize PR_SET_MDWE support check to be per-arch

[Zev Weiss]

On Tue, Feb 27, 2024 at 11:53:59AM PST, Helge Deller wrote:
> On 2/27/24 11:24, Russell King (Oracle) wrote:
> > On Mon, Feb 26, 2024 at 05:35:41PM -0800, Zev Weiss wrote:
> > > There exist systems other than PARISC where MDWE may not be feasible
> > > to support; rather than cluttering up the generic code with additional
> > > arch-specific logic let's add a generic function for checking MDWE
> > > support and allow each arch to override it as needed.
> > >
> > > Signed-off-by: Zev Weiss <zev@xxxxxxxxxxxxxxxxx>
> > > Cc: <stable@xxxxxxxxxxxxxxx> # v6.3+
> >
> > PA-RISC folk need to ack/review-by this patch.
>
> I'm fine with patch 1/2:
> Acked-by: Helge Deller <deller@xxxxxx> # parisc
>
> > Alternatively, it needs
> > to be restructured to add the arch_memory_deny_write_exec_supported()
> > override without touching the PA-RISC code, which then makes the Arm
> > patch independent of the status of the PA-RISC patch. That will allow
> > the Arm issue to be solved even if an ack is not forthcoming for the
> > PA-RISC parts.
> > > Alternatively, I wonder whether akpm would be willing to pick up this
> > patch set as-is.
>
> I have no preference, but I think both patches should be pushed
> together via arm tree or akpm.
>
> Helge

Ping...Russell, Andrew, any thoughts on how this could move forward?


Thanks,
Zev