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From: Pekka Enberg <penberg@gmail.com>
To: David Rientjes <rientjes@google.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Palmer Dabbelt <palmerdabbelt@google.com>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Mike Rapoport <rppt@linux.ibm.com>
Subject: Re: [PATCH v2 1/2] mm: pgtable: Make generic pgprot_* macros available for no-MMU
Date: Fri, 17 Jul 2020 09:14:10 +0300
Message-ID: <CAOJsxLGm0B15nsyRNTCOYWUXLbjRSc-CTtv-Mv-OLq2k3ZjMvQ@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.23.453.2007151035130.2788464@chino.kir.corp.google.com>

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?

- Pekka

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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 [this message]
2020-07-22  3:29     ` Palmer Dabbelt

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