Re: [PATCH v6 08/16] mm/execmem, arch: convert remaining overrides of module_alloc to execmem

Mike Rapoport
2024-04-28T06:56:34Z

On Fri, Apr 26, 2024 at 12:01:34PM -0700, Song Liu wrote:
> On Fri, Apr 26, 2024 at 1:30 AM Mike Rapoport <rppt@kernel.org> wrote:
> >
> > From: "Mike Rapoport (IBM)" <rppt@kernel.org>
> >
> > Extend execmem parameters to accommodate more complex overrides of
> > module_alloc() by architectures.
> >
> > This includes specification of a fallback range required by arm, arm64
> > and powerpc, EXECMEM_MODULE_DATA type required by powerpc, support for
> > allocation of KASAN shadow required by s390 and x86 and support for
> > late initialization of execmem required by arm64.
> >
> > The core implementation of execmem_alloc() takes care of suppressing
> > warnings when the initial allocation fails but there is a fallback range
> > defined.
> >
> > Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
> > Acked-by: Will Deacon <will@kernel.org>
>
> nit: We should probably move the logic for ARCH_WANTS_EXECMEM_LATE
> to a separate patch.

This would require to split arm64 and I prefer to keep all these changes
together.

> Otherwise,
>
> Acked-by: Song Liu <song@kernel.org>

Thanks!

--
Sincerely yours,
Mike.