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Message-ID: <Zi3yxk_7rMEPp0lT@kernel.org>
Date: Sun, 28 Apr 2024 09:55:02 +0300
From: Mike Rapoport <rppt@...nel.org>
To: Song Liu <song@...nel.org>
Cc: linux-kernel@...r.kernel.org, Alexandre Ghiti <alexghiti@...osinc.com>,
Andrew Morton <akpm@...ux-foundation.org>,
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Huacai Chen <chenhuacai@...nel.org>,
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Subject: Re: [PATCH v6 08/16] mm/execmem, arch: convert remaining overrides
of module_alloc to execmem
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@...nel.org> wrote:
> >
> > From: "Mike Rapoport (IBM)" <rppt@...nel.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@...nel.org>
> > Acked-by: Will Deacon <will@...nel.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@...nel.org>
Thanks!
--
Sincerely yours,
Mike.
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