From: Catalin Marinas <catalin.marinas@arm.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, Zefan Li <lizefan@huawei.com>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
Christoph Hellwig <hch@infradead.org>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v8 05/12] mm: HUGE_VMAP arch support cleanup
Date: Tue, 1 Dec 2020 14:21:56 +0000 [thread overview]
Message-ID: <20201201142156.GD31404@gaia> (raw)
In-Reply-To: <20201128152559.999540-6-npiggin@gmail.com>
On Sun, Nov 29, 2020 at 01:25:52AM +1000, Nicholas Piggin wrote:
> This changes the awkward approach where architectures provide init
> functions to determine which levels they can provide large mappings for,
> to one where the arch is queried for each call.
>
> This removes code and indirection, and allows constant-folding of dead
> code for unsupported levels.
>
> This also adds a prot argument to the arch query. This is unused
> currently but could help with some architectures (e.g., some powerpc
> processors can't map uncacheable memory with large pages).
>
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: x86@kernel.org
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
> arch/arm64/include/asm/vmalloc.h | 8 +++
> arch/arm64/mm/mmu.c | 10 +--
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: linux-arch@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.org, Zefan Li <lizefan@huawei.com>,
Borislav Petkov <bp@alien8.de>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v8 05/12] mm: HUGE_VMAP arch support cleanup
Date: Tue, 1 Dec 2020 14:21:56 +0000 [thread overview]
Message-ID: <20201201142156.GD31404@gaia> (raw)
In-Reply-To: <20201128152559.999540-6-npiggin@gmail.com>
On Sun, Nov 29, 2020 at 01:25:52AM +1000, Nicholas Piggin wrote:
> This changes the awkward approach where architectures provide init
> functions to determine which levels they can provide large mappings for,
> to one where the arch is queried for each call.
>
> This removes code and indirection, and allows constant-folding of dead
> code for unsupported levels.
>
> This also adds a prot argument to the arch query. This is unused
> currently but could help with some architectures (e.g., some powerpc
> processors can't map uncacheable memory with large pages).
>
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: x86@kernel.org
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
> arch/arm64/include/asm/vmalloc.h | 8 +++
> arch/arm64/mm/mmu.c | 10 +--
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Nicholas Piggin <npiggin@gmail.com>
Cc: linux-arch@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Christoph Hellwig <hch@infradead.org>,
linux-mm@kvack.org, Zefan Li <lizefan@huawei.com>,
Borislav Petkov <bp@alien8.de>,
Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v8 05/12] mm: HUGE_VMAP arch support cleanup
Date: Tue, 1 Dec 2020 14:21:56 +0000 [thread overview]
Message-ID: <20201201142156.GD31404@gaia> (raw)
In-Reply-To: <20201128152559.999540-6-npiggin@gmail.com>
On Sun, Nov 29, 2020 at 01:25:52AM +1000, Nicholas Piggin wrote:
> This changes the awkward approach where architectures provide init
> functions to determine which levels they can provide large mappings for,
> to one where the arch is queried for each call.
>
> This removes code and indirection, and allows constant-folding of dead
> code for unsupported levels.
>
> This also adds a prot argument to the arch query. This is unused
> currently but could help with some architectures (e.g., some powerpc
> processors can't map uncacheable memory with large pages).
>
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: x86@kernel.org
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
> arch/arm64/include/asm/vmalloc.h | 8 +++
> arch/arm64/mm/mmu.c | 10 +--
For arm64:
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-12-01 14:22 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-28 15:25 [PATCH v8 00/12] huge vmalloc mappings Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 01/12] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 03/12] mm/vmalloc: rename vmap_*_range vmap_pages_*_range Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 05/12] mm: HUGE_VMAP arch support cleanup Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-12-01 14:21 ` Catalin Marinas [this message]
2020-12-01 14:21 ` Catalin Marinas
2020-12-01 14:21 ` Catalin Marinas
2020-11-28 15:25 ` [PATCH v8 06/12] powerpc: inline huge vmap supported functions Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 07/12] arm64: " Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 08/12] x86: " Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 09/12] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 10/12] mm/vmalloc: add vmap_range_noflush variant Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 11/12] mm/vmalloc: Hugepage vmalloc mappings Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
2020-11-28 17:07 ` kernel test robot
2020-11-28 17:07 ` kernel test robot
2020-11-28 17:07 ` kernel test robot
2020-11-28 17:41 ` kernel test robot
2020-11-28 17:41 ` kernel test robot
2020-11-28 17:41 ` kernel test robot
2020-11-30 20:21 ` Edgecombe, Rick P
2020-11-30 20:21 ` Edgecombe, Rick P
2020-11-30 21:42 ` Edgecombe, Rick P
2020-11-30 21:42 ` Edgecombe, Rick P
2020-12-04 8:12 ` Nicholas Piggin
2020-12-04 8:12 ` Nicholas Piggin
2020-12-04 18:33 ` Edgecombe, Rick P
2020-12-04 18:33 ` Edgecombe, Rick P
2020-12-05 4:49 ` Nicholas Piggin
2020-12-05 4:49 ` Nicholas Piggin
2020-11-28 15:25 ` [PATCH v8 12/12] powerpc/64s/radix: Enable huge " Nicholas Piggin
2020-11-28 15:25 ` Nicholas Piggin
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