From: David Rientjes <rientjes@google.com>
To: Pekka Enberg <penberg@gmail.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
Palmer Dabbelt <palmerdabbelt@google.com>,
Mike Rapoport <rppt@linux.ibm.com>,
Pekka Enberg <penberg@kernel.org>,
linux-mm@kvack.org, linux-riscv@lists.infradead.org
Subject: Re: [PATCH v2 1/2] mm: pgtable: Make generic pgprot_* macros available for no-MMU
Date: Wed, 15 Jul 2020 10:39:55 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.23.453.2007151035130.2788464@chino.kir.corp.google.com> (raw)
In-Reply-To: <20200715053340.576300-1-penberg@gmail.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>
Acked-by: David Rientjes <rientjes@google.com>
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WARNING: multiple messages have this Message-ID (diff)
From: David Rientjes <rientjes@google.com>
To: Pekka Enberg <penberg@gmail.com>
Cc: linux-riscv@lists.infradead.org, linux-mm@kvack.org,
Pekka Enberg <penberg@kernel.org>,
Palmer Dabbelt <palmerdabbelt@google.com>,
Mike Rapoport <rppt@linux.ibm.com>,
Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH v2 1/2] mm: pgtable: Make generic pgprot_* macros available for no-MMU
Date: Wed, 15 Jul 2020 10:39:55 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.23.453.2007151035130.2788464@chino.kir.corp.google.com> (raw)
In-Reply-To: <20200715053340.576300-1-penberg@gmail.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>
Acked-by: David Rientjes <rientjes@google.com>
next prev parent reply other threads:[~2020-07-15 17:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-15 5:33 [PATCH v2 1/2] mm: pgtable: Make generic pgprot_* macros available for no-MMU Pekka Enberg
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 5:33 ` Pekka Enberg
2020-07-15 17:39 ` David Rientjes [this message]
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
2020-07-17 6:14 ` Pekka Enberg
2020-07-22 3:29 ` Palmer Dabbelt
2020-07-22 3:29 ` Palmer Dabbelt
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