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From: Palmer Dabbelt <palmerdabbelt@google.com>
To: penberg@gmail.com
Cc: thomas.lendacky@amd.com, rppt@linux.ibm.com, linux-mm@kvack.org,
	rientjes@google.com, akpm@linux-foundation.org,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH v2 1/2] mm: pgtable: Make generic pgprot_* macros available for no-MMU
Date: Tue, 21 Jul 2020 20:29:25 -0700 (PDT)
Message-ID: <mhng-de42568c-1963-4b45-8ad2-be5ac849be2f@palmerdabbelt-glaptop1> (raw)
In-Reply-To: <CAOJsxLGm0B15nsyRNTCOYWUXLbjRSc-CTtv-Mv-OLq2k3ZjMvQ@mail.gmail.com>

On Thu, 16 Jul 2020 23:14:10 PDT (-0700), penberg@gmail.com wrote:
> On Wed, 15 Jul 2020, Pekka Enberg wrote:
>> > From: Pekka Enberg <penberg@kernel.org>
>> >
>> > The <linux/pgtable.h> header defines some generic pgprot_*
>> > implementations, but they are only available when CONFIG_MMU is enabled.
>> > The RISC-V architecture, for example, therefore defines some of these
>> > pgprot_* macros for !NOMMU.
>> >
>> > Let's make the pgprot_* generic available even for !NOMMU so we can
>> > remove the RISC-V specific definitions.
>> >
>> > Compile-tested with x86 defconfig, and riscv defconfig and !MMU defconfig.
>> >
>> > Suggested-by: Palmer Dabbelt <palmerdabbelt@google.com>
>> > Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
>> > Cc: Tom Lendacky <thomas.lendacky@amd.com>
>> > Signed-off-by: Pekka Enberg <penberg@kernel.org>
>
> On Wed, Jul 15, 2020 at 8:39 PM David Rientjes <rientjes@google.com> wrote:
>> Acked-by: David Rientjes <rientjes@google.com>
>
> Palmer, will you pick up these patches in the riscv tree, or should I
> ask Andrew to queue them in -mm?

I just put them on for-next.  Thanks!

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Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15  5:33 Pekka Enberg
2020-07-15  5:33 ` [PATCH v2 2/2] riscv: Use generic pgprot_* macros from <linux/pgtable.h> Pekka Enberg
2020-07-15 17:39 ` [PATCH v2 1/2] mm: pgtable: Make generic pgprot_* macros available for no-MMU David Rientjes
2020-07-17  6:14   ` Pekka Enberg
2020-07-22  3:29     ` Palmer Dabbelt [this message]

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