From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Vineet Gupta <vgupta@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Brian Cain <bcain@quicinc.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Dinh Nguyen <dinguyen@kernel.org>,
Stafford Horne <shorne@gmail.com>, Helge Deller <deller@gmx.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Rich Felker <dalias@libc.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
"David S. Miller" <davem@davemloft.net>,
Max Filippov <jcmvbkbc@gmail.com>, Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Conor Dooley <conor.dooley@microchip.com>,
linux-snps-arc@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-xtensa@linux-xtensa.org
Subject: Re: [PATCH 20/21] ARM: dma-mapping: split out arch_dma_mark_clean() helper
Date: Mon, 27 Mar 2023 16:01:43 +0100 [thread overview]
Message-ID: <ZCGv18wnEtoFvtfM@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230327121317.4081816-21-arnd@kernel.org>
On Mon, Mar 27, 2023 at 02:13:16PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The arm version of the arch_sync_dma_for_cpu() function annotates pages as
> PG_dcache_clean after a DMA, but no other architecture does this here.
... because this is an arm32 specific feature. Generically, it's
PG_arch_1, which is a page flag free for architecture use. On arm32
we decided to use this to mark whether we can skip dcache writebacks
when establishing a PTE - and thus it was decided to call it
PG_dcache_clean to reflect how arm32 decided to use that bit.
This isn't just a DMA thing, there are other places that we update
the bit, such as flush_dcache_page() and copy_user_highpage().
So thinking that the arm32 PG_dcache_clean is something for DMA is
actually wrong.
Other architectures are free to do their own other optimisations
using that bit, and their implementations may be DMA-centric.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Vineet Gupta <vgupta@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Brian Cain <bcain@quicinc.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Dinh Nguyen <dinguyen@kernel.org>,
Stafford Horne <shorne@gmail.com>, Helge Deller <deller@gmx.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Rich Felker <dalias@libc.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
"David S. Miller" <davem@davemloft.net>,
Max Filippov <jcmvbkbc@gmail.com>, Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Conor Dooley <conor.dooley@microchip.com>,
linux-snps-arc@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-xtensa@linux-xtensa.org
Subject: Re: [PATCH 20/21] ARM: dma-mapping: split out arch_dma_mark_clean() helper
Date: Mon, 27 Mar 2023 16:01:43 +0100 [thread overview]
Message-ID: <ZCGv18wnEtoFvtfM@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230327121317.4081816-21-arnd@kernel.org>
On Mon, Mar 27, 2023 at 02:13:16PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The arm version of the arch_sync_dma_for_cpu() function annotates pages as
> PG_dcache_clean after a DMA, but no other architecture does this here.
... because this is an arm32 specific feature. Generically, it's
PG_arch_1, which is a page flag free for architecture use. On arm32
we decided to use this to mark whether we can skip dcache writebacks
when establishing a PTE - and thus it was decided to call it
PG_dcache_clean to reflect how arm32 decided to use that bit.
This isn't just a DMA thing, there are other places that we update
the bit, such as flush_dcache_page() and copy_user_highpage().
So thinking that the arm32 PG_dcache_clean is something for DMA is
actually wrong.
Other architectures are free to do their own other optimisations
using that bit, and their implementations may be DMA-centric.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Vineet Gupta <vgupta@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Brian Cain <bcain@quicinc.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Dinh Nguyen <dinguyen@kernel.org>,
Stafford Horne <shorne@gmail.com>, Helge Deller <deller@gmx.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Rich Felker <dalias@libc.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
"David S. Miller" <davem@davemloft.net>,
Max Filippov <jcmvbkbc@gmail.com>, Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Conor Dooley <conor.dooley@microchip.com>,
linux-snps-arc@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-xtensa@linux-xtensa.org
Subject: Re: [PATCH 20/21] ARM: dma-mapping: split out arch_dma_mark_clean() helper
Date: Mon, 27 Mar 2023 16:01:43 +0100 [thread overview]
Message-ID: <ZCGv18wnEtoFvtfM@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230327121317.4081816-21-arnd@kernel.org>
On Mon, Mar 27, 2023 at 02:13:16PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The arm version of the arch_sync_dma_for_cpu() function annotates pages as
> PG_dcache_clean after a DMA, but no other architecture does this here.
... because this is an arm32 specific feature. Generically, it's
PG_arch_1, which is a page flag free for architecture use. On arm32
we decided to use this to mark whether we can skip dcache writebacks
when establishing a PTE - and thus it was decided to call it
PG_dcache_clean to reflect how arm32 decided to use that bit.
This isn't just a DMA thing, there are other places that we update
the bit, such as flush_dcache_page() and copy_user_highpage().
So thinking that the arm32 PG_dcache_clean is something for DMA is
actually wrong.
Other architectures are free to do their own other optimisations
using that bit, and their implementations may be DMA-centric.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Rich Felker <dalias@libc.org>,
linux-sh@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Linus Walleij <linus.walleij@linaro.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
linux-mips@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>,
Conor Dooley <conor.dooley@microchip.com>,
Guo Ren <guoren@kernel.org>,
linux-csky@vger.kernel.org, sparclinux@vger.kernel.org,
linux-riscv@lists.infradead.org, Will Deacon <will@kernel.org>,
Christoph Hellwig <hch@lst.de>, Helge Deller <deller@gmx.de>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Vineet Gupta <vgupta@kernel.org>,
linux-snps-arc@lists.infradead.org,
linux-xtensa@linux-xtensa.org, Arnd Bergmann <arnd@arndb.de>,
Brian Cain <bcain@quicinc.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
linux-m68k@lists.linux-m68k.org,
Paul Walmsley <paul.walmsley@sifive.com>,
Stafford Horne <shorne@gmail.com>,
linux-arm-kernel@lists.infradead.org,
Neil Armstrong <neil.armstrong@linaro.org>,
Michal Simek <monstr@ monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-parisc@vger.kernel.org, linux-openrisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
Dinh Nguyen <dinguyen@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
linux-hexagon@vger.kernel.org, linux-oxnas@groups.io,
Robin Murphy <robin.murphy@arm.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH 20/21] ARM: dma-mapping: split out arch_dma_mark_clean() helper
Date: Mon, 27 Mar 2023 16:01:43 +0100 [thread overview]
Message-ID: <ZCGv18wnEtoFvtfM@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230327121317.4081816-21-arnd@kernel.org>
On Mon, Mar 27, 2023 at 02:13:16PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The arm version of the arch_sync_dma_for_cpu() function annotates pages as
> PG_dcache_clean after a DMA, but no other architecture does this here.
... because this is an arm32 specific feature. Generically, it's
PG_arch_1, which is a page flag free for architecture use. On arm32
we decided to use this to mark whether we can skip dcache writebacks
when establishing a PTE - and thus it was decided to call it
PG_dcache_clean to reflect how arm32 decided to use that bit.
This isn't just a DMA thing, there are other places that we update
the bit, such as flush_dcache_page() and copy_user_highpage().
So thinking that the arm32 PG_dcache_clean is something for DMA is
actually wrong.
Other architectures are free to do their own other optimisations
using that bit, and their implementations may be DMA-centric.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Vineet Gupta <vgupta@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Brian Cain <bcain@quicinc.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Dinh Nguyen <dinguyen@kernel.org>,
Stafford Horne <shorne@gmail.com>, Helge Deller <deller@gmx.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Rich Felker <dalias@libc.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
"David S. Miller" <davem@davemloft.net>,
Max Filippov <jcmvbkbc@gmail.com>, Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
Conor Dooley <conor.dooley@microchip.com>,
linux-snps-arc@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io,
linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
linux-xtensa@linux-xtensa.org
Subject: Re: [PATCH 20/21] ARM: dma-mapping: split out arch_dma_mark_clean() helper
Date: Mon, 27 Mar 2023 16:01:43 +0100 [thread overview]
Message-ID: <ZCGv18wnEtoFvtfM@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230327121317.4081816-21-arnd@kernel.org>
On Mon, Mar 27, 2023 at 02:13:16PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The arm version of the arch_sync_dma_for_cpu() function annotates pages as
> PG_dcache_clean after a DMA, but no other architecture does this here.
... because this is an arm32 specific feature. Generically, it's
PG_arch_1, which is a page flag free for architecture use. On arm32
we decided to use this to mark whether we can skip dcache writebacks
when establishing a PTE - and thus it was decided to call it
PG_dcache_clean to reflect how arm32 decided to use that bit.
This isn't just a DMA thing, there are other places that we update
the bit, such as flush_dcache_page() and copy_user_highpage().
So thinking that the arm32 PG_dcache_clean is something for DMA is
actually wrong.
Other architectures are free to do their own other optimisations
using that bit, and their implementations may be DMA-centric.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Arnd Bergmann <arnd@kernel.org>
Cc: linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Vineet Gupta <vgupta@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Brian Cain <bcain@quicinc.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Michal Simek <monstr@monstr.eu>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Dinh Nguyen <dinguyen@kernel.org>,
Stafford Horne <shorne@gmail.com>, Helge Deller <deller@gmx.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Rich Felker <dalias@libc.org>,
John
Subject: Re: [PATCH 20/21] ARM: dma-mapping: split out arch_dma_mark_clean() helper
Date: Mon, 27 Mar 2023 16:01:43 +0100 [thread overview]
Message-ID: <ZCGv18wnEtoFvtfM@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230327121317.4081816-21-arnd@kernel.org>
On Mon, Mar 27, 2023 at 02:13:16PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The arm version of the arch_sync_dma_for_cpu() function annotates pages as
> PG_dcache_clean after a DMA, but no other architecture does this here.
... because this is an arm32 specific feature. Generically, it's
PG_arch_1, which is a page flag free for architecture use. On arm32
we decided to use this to mark whether we can skip dcache writebacks
when establishing a PTE - and thus it was decided to call it
PG_dcache_clean to reflect how arm32 decided to use that bit.
This isn't just a DMA thing, there are other places that we update
the bit, such as flush_dcache_page() and copy_user_highpage().
So thinking that the arm32 PG_dcache_clean is something for DMA is
actually wrong.
Other architectures are free to do their own other optimisations
using that bit, and their implementations may be DMA-centric.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2023-03-27 15:02 UTC|newest]
Thread overview: 456+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 12:12 [PATCH 00/21] dma-mapping: unify support for cache flushes Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` [PATCH 01/21] openrisc: dma-mapping: flush bidirectional mappings Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` [PATCH 02/21] xtensa: dma-mapping: use normal cache invalidation rules Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 15:42 ` Max Filippov
2023-03-27 15:42 ` Max Filippov
2023-03-27 15:42 ` Max Filippov
2023-03-27 15:42 ` Max Filippov
2023-03-27 15:42 ` Max Filippov
2023-03-27 15:42 ` Max Filippov
2023-03-27 12:12 ` [PATCH 03/21] sparc32: flush caches in dma_sync_*for_device Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:12 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 04/21] microblaze: dma-mapping: skip extra DMA flushes Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 05/21] powerpc: dma-mapping: split out cache operation logic Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 06/21] powerpc: dma-mapping: minimize for_cpu flushing Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:56 ` Christophe Leroy
2023-03-27 12:56 ` Christophe Leroy
2023-03-27 12:56 ` Christophe Leroy
2023-03-27 12:56 ` Christophe Leroy
2023-03-27 12:56 ` Christophe Leroy
2023-03-27 12:56 ` Christophe Leroy
2023-03-27 13:02 ` Arnd Bergmann
2023-03-27 13:02 ` Arnd Bergmann
2023-03-27 13:02 ` Arnd Bergmann
2023-03-27 13:02 ` Arnd Bergmann
2023-03-27 13:02 ` Arnd Bergmann
2023-03-27 13:02 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 07/21] powerpc: dma-mapping: always clean cache in _for_device() op Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 08/21] riscv: dma-mapping: only invalidate after DMA, not flush Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-29 20:48 ` Conor Dooley
2023-03-29 20:48 ` Conor Dooley
2023-03-29 20:48 ` Conor Dooley
2023-03-29 20:48 ` Conor Dooley
2023-03-29 20:48 ` Conor Dooley
2023-03-29 20:48 ` Conor Dooley
2023-03-30 7:10 ` Arnd Bergmann
2023-03-30 7:10 ` Arnd Bergmann
2023-03-30 7:10 ` Arnd Bergmann
2023-03-30 7:10 ` Arnd Bergmann
2023-03-30 7:10 ` Arnd Bergmann
2023-03-30 7:10 ` Arnd Bergmann
2023-03-29 21:51 ` Jessica Clarke
2023-03-29 21:51 ` Jessica Clarke
2023-03-29 21:51 ` Jessica Clarke
2023-03-29 21:51 ` Jessica Clarke
2023-03-29 21:51 ` Jessica Clarke
2023-03-29 21:51 ` Jessica Clarke
2023-03-30 12:59 ` Lad, Prabhakar
2023-03-30 12:59 ` Lad, Prabhakar
2023-03-30 12:59 ` Lad, Prabhakar
2023-03-30 12:59 ` Lad, Prabhakar
2023-03-30 12:59 ` Lad, Prabhakar
2023-03-30 12:59 ` Lad, Prabhakar
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-03-27 12:13 ` [PATCH 09/21] riscv: dma-mapping: skip invalidation before bidirectional DMA Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-29 20:16 ` Conor Dooley
2023-03-29 20:16 ` Conor Dooley
2023-03-29 20:16 ` Conor Dooley
2023-03-29 20:16 ` Conor Dooley
2023-03-29 20:16 ` Conor Dooley
2023-03-29 20:16 ` Conor Dooley
2023-03-30 13:26 ` Lad, Prabhakar
2023-03-30 13:26 ` Lad, Prabhakar
2023-03-30 13:26 ` Lad, Prabhakar
2023-03-30 13:26 ` Lad, Prabhakar
2023-03-30 13:26 ` Lad, Prabhakar
2023-03-30 13:26 ` Lad, Prabhakar
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-04-19 14:22 ` Palmer Dabbelt
2023-05-05 5:47 ` Guo Ren
2023-05-05 5:47 ` Guo Ren
2023-05-05 5:47 ` Guo Ren
2023-05-05 5:47 ` Guo Ren
2023-05-05 5:47 ` Guo Ren
2023-05-05 5:47 ` Guo Ren
2023-05-05 13:18 ` Arnd Bergmann
2023-05-05 13:18 ` Arnd Bergmann
2023-05-05 13:18 ` Arnd Bergmann
2023-05-05 13:18 ` Arnd Bergmann
2023-05-05 13:18 ` Arnd Bergmann
2023-05-05 13:18 ` Arnd Bergmann
2023-05-06 7:25 ` Guo Ren
2023-05-06 7:25 ` Guo Ren
2023-05-06 7:25 ` Guo Ren
2023-05-06 7:25 ` Guo Ren
2023-05-06 7:25 ` Guo Ren
2023-05-06 7:25 ` Guo Ren
2023-05-06 7:53 ` Arnd Bergmann
2023-05-06 7:53 ` Arnd Bergmann
2023-05-06 7:53 ` Arnd Bergmann
2023-05-06 7:53 ` Arnd Bergmann
2023-05-06 7:53 ` Arnd Bergmann
2023-05-06 7:53 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 10/21] csky: dma-mapping: skip invalidating before DMA from device Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 13:37 ` Guo Ren
2023-03-27 13:37 ` Guo Ren
2023-03-27 13:37 ` Guo Ren
2023-03-27 13:37 ` Guo Ren
2023-03-27 13:37 ` Guo Ren
2023-03-27 13:37 ` Guo Ren
2023-03-27 12:13 ` [PATCH 11/21] mips: dma-mapping: skip invalidating before bidirectional DMA Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 12/21] mips: dma-mapping: split out cache operation logic Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 13/21] arc: dma-mapping: skip invalidating before bidirectional DMA Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-04-02 6:52 ` Vineet Gupta
2023-04-02 6:52 ` Vineet Gupta
2023-04-02 6:52 ` Vineet Gupta
2023-04-02 6:52 ` Vineet Gupta
2023-04-02 6:52 ` Vineet Gupta
2023-04-02 6:52 ` Vineet Gupta
2023-04-04 8:27 ` Shahab Vahedi
2023-04-04 8:27 ` Shahab Vahedi
2023-04-04 8:27 ` Shahab Vahedi
2023-04-04 8:27 ` Shahab Vahedi
2023-04-04 8:27 ` Shahab Vahedi
2023-04-04 8:27 ` Shahab Vahedi
2023-04-06 9:01 ` Shahab Vahedi
2023-04-06 9:01 ` Shahab Vahedi
2023-04-06 9:01 ` Shahab Vahedi
2023-04-06 9:01 ` Shahab Vahedi
2023-04-06 9:01 ` Shahab Vahedi
2023-04-06 9:01 ` Shahab Vahedi
2023-03-27 12:13 ` [PATCH 14/21] parisc: dma-mapping: use regular flush/invalidate ops Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 15/21] ARM: dma-mapping: always invalidate WT caches before DMA Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-31 9:01 ` Linus Walleij
2023-03-31 9:01 ` Linus Walleij
2023-03-31 9:01 ` Linus Walleij
2023-03-31 9:01 ` Linus Walleij
2023-03-31 9:01 ` Linus Walleij
2023-03-31 9:01 ` Linus Walleij
2023-03-31 9:07 ` Russell King (Oracle)
2023-03-31 9:07 ` Russell King (Oracle)
2023-03-31 9:07 ` Russell King (Oracle)
2023-03-31 9:07 ` Russell King (Oracle)
2023-03-31 9:07 ` Russell King (Oracle)
2023-03-31 9:07 ` Russell King (Oracle)
2023-03-31 9:35 ` Russell King (Oracle)
2023-03-31 9:35 ` Russell King (Oracle)
2023-03-31 9:35 ` Russell King (Oracle)
2023-03-31 9:35 ` Russell King (Oracle)
2023-03-31 9:35 ` Russell King (Oracle)
2023-03-31 9:35 ` Russell King (Oracle)
2023-03-31 10:38 ` Arnd Bergmann
2023-03-31 10:38 ` Arnd Bergmann
2023-03-31 10:38 ` Arnd Bergmann
2023-03-31 10:38 ` Arnd Bergmann
2023-03-31 10:38 ` Arnd Bergmann
2023-03-31 10:38 ` Arnd Bergmann
2023-03-31 11:01 ` David Laight
2023-03-31 11:01 ` David Laight
2023-03-31 11:01 ` David Laight
2023-03-31 11:01 ` David Laight
2023-03-31 11:01 ` David Laight
2023-03-31 11:08 ` Russell King (Oracle)
2023-03-31 11:08 ` Russell King (Oracle)
2023-03-31 11:08 ` Russell King (Oracle)
2023-03-31 11:08 ` Russell King (Oracle)
2023-03-31 11:08 ` Russell King (Oracle)
2023-03-31 11:08 ` Russell King (Oracle)
2023-03-31 12:32 ` Arnd Bergmann
2023-03-31 12:32 ` Arnd Bergmann
2023-03-31 12:32 ` Arnd Bergmann
2023-03-31 12:32 ` Arnd Bergmann
2023-03-31 12:32 ` Arnd Bergmann
2023-03-31 12:32 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 16/21] ARM: dma-mapping: bring back dmac_{clean,inv}_range Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 13:10 ` Russell King (Oracle)
2023-03-27 13:10 ` Russell King (Oracle)
2023-03-27 13:10 ` Russell King (Oracle)
2023-03-27 13:10 ` Russell King (Oracle)
2023-03-27 13:10 ` Russell King (Oracle)
2023-03-27 13:10 ` Russell King (Oracle)
2023-03-27 12:13 ` [PATCH 17/21] ARM: dma-mapping: use arch_sync_dma_for_{device,cpu}() internally Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-31 9:10 ` Linus Walleij
2023-03-31 9:10 ` Linus Walleij
2023-03-31 9:10 ` Linus Walleij
2023-03-31 9:10 ` Linus Walleij
2023-03-31 9:10 ` Linus Walleij
2023-03-31 9:10 ` Linus Walleij
2023-03-31 12:48 ` Arnd Bergmann
2023-03-31 12:48 ` Arnd Bergmann
2023-03-31 12:48 ` Arnd Bergmann
2023-03-31 12:48 ` Arnd Bergmann
2023-03-31 12:48 ` Arnd Bergmann
2023-03-31 12:48 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 18/21] ARM: drop SMP support for ARM11MPCore Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-30 7:48 ` Neil Armstrong
2023-03-30 7:48 ` Neil Armstrong
2023-03-30 7:48 ` Neil Armstrong
2023-03-30 7:48 ` Neil Armstrong
2023-03-30 7:48 ` Neil Armstrong
2023-03-30 7:48 ` Neil Armstrong
2023-03-30 10:03 ` Arnd Bergmann
2023-03-30 10:03 ` Arnd Bergmann
2023-03-30 10:03 ` Arnd Bergmann
2023-03-30 10:03 ` Arnd Bergmann
2023-03-30 10:03 ` Arnd Bergmann
2023-03-30 10:03 ` Arnd Bergmann
2023-03-30 16:40 ` Neil Armstrong
2023-03-30 16:40 ` Neil Armstrong
2023-03-30 16:40 ` Neil Armstrong
2023-03-30 16:40 ` Neil Armstrong
2023-03-30 16:40 ` Neil Armstrong
2023-03-30 16:40 ` Neil Armstrong
2023-03-30 8:12 ` Linus Walleij
2023-03-30 8:12 ` Linus Walleij
2023-03-30 8:12 ` Linus Walleij
2023-03-30 8:12 ` Linus Walleij
2023-03-30 8:12 ` Linus Walleij
2023-03-30 8:12 ` Linus Walleij
2023-03-30 11:28 ` Joel Stanley
2023-03-31 12:54 ` Arnd Bergmann
2023-04-05 1:49 ` Joel Stanley
2023-03-30 11:51 ` Ard Biesheuvel
2023-03-30 11:51 ` Ard Biesheuvel
2023-03-30 11:51 ` Ard Biesheuvel
2023-03-30 11:51 ` Ard Biesheuvel
2023-03-30 11:51 ` Ard Biesheuvel
2023-03-30 11:51 ` Ard Biesheuvel
2023-03-31 17:09 ` Catalin Marinas
2023-03-31 17:09 ` Catalin Marinas
2023-03-31 17:09 ` Catalin Marinas
2023-03-31 17:09 ` Catalin Marinas
2023-03-31 17:09 ` Catalin Marinas
2023-03-31 17:09 ` Catalin Marinas
2023-03-27 12:13 ` [PATCH 19/21] ARM: dma-mapping: use generic form of arch_sync_dma_* helpers Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` [PATCH 20/21] ARM: dma-mapping: split out arch_dma_mark_clean() helper Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:48 ` Robin Murphy
2023-03-27 12:48 ` Robin Murphy
2023-03-27 12:48 ` Robin Murphy
2023-03-27 12:48 ` Robin Murphy
2023-03-27 12:48 ` Robin Murphy
2023-03-27 12:48 ` Robin Murphy
2023-03-31 14:00 ` Arnd Bergmann
2023-03-31 14:00 ` Arnd Bergmann
2023-03-31 14:00 ` Arnd Bergmann
2023-03-31 14:00 ` Arnd Bergmann
2023-03-31 14:00 ` Arnd Bergmann
2023-03-31 14:00 ` Arnd Bergmann
2023-03-31 15:12 ` Robin Murphy
2023-03-31 15:12 ` Robin Murphy
2023-03-31 15:12 ` Robin Murphy
2023-03-31 15:12 ` Robin Murphy
2023-03-31 15:12 ` Robin Murphy
2023-03-31 15:12 ` Robin Murphy
2023-03-31 17:20 ` Arnd Bergmann
2023-03-31 17:20 ` Arnd Bergmann
2023-03-31 17:20 ` Arnd Bergmann
2023-03-31 17:20 ` Arnd Bergmann
2023-03-31 17:20 ` Arnd Bergmann
2023-03-31 17:20 ` Arnd Bergmann
2023-03-27 15:01 ` Russell King (Oracle) [this message]
2023-03-27 15:01 ` Russell King (Oracle)
2023-03-27 15:01 ` Russell King (Oracle)
2023-03-27 15:01 ` Russell King (Oracle)
2023-03-27 15:01 ` Russell King (Oracle)
2023-03-27 15:01 ` Russell King (Oracle)
2023-03-31 14:06 ` Arnd Bergmann
2023-03-31 14:06 ` Arnd Bergmann
2023-03-31 14:06 ` Arnd Bergmann
2023-03-31 14:06 ` Arnd Bergmann
2023-03-31 14:06 ` Arnd Bergmann
2023-03-31 14:06 ` Arnd Bergmann
2023-03-31 15:54 ` Russell King (Oracle)
2023-03-31 15:54 ` Russell King (Oracle)
2023-03-31 15:54 ` Russell King (Oracle)
2023-03-31 15:54 ` Russell King (Oracle)
2023-03-31 15:54 ` Russell King (Oracle)
2023-03-31 15:54 ` Russell King (Oracle)
2023-03-27 18:42 ` kernel test robot
2023-03-27 19:03 ` kernel test robot
2023-03-28 13:17 ` kernel test robot
2023-07-03 7:54 ` Geert Uytterhoeven
2023-07-03 7:54 ` Geert Uytterhoeven
2023-07-03 7:54 ` Geert Uytterhoeven
2023-07-03 7:54 ` Geert Uytterhoeven
2023-07-03 7:54 ` Geert Uytterhoeven
2023-07-03 7:54 ` Geert Uytterhoeven
2023-07-06 14:11 ` Christoph Hellwig
2023-07-06 14:11 ` Christoph Hellwig
2023-07-06 14:11 ` Christoph Hellwig
2023-07-06 14:11 ` Christoph Hellwig
2023-07-06 14:11 ` Christoph Hellwig
2023-07-06 14:11 ` Christoph Hellwig
2023-03-27 12:13 ` [PATCH 21/21] dma-mapping: replace custom code with generic implementation Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 12:13 ` Arnd Bergmann
2023-03-27 22:25 ` Christoph Hellwig
2023-03-27 22:25 ` Christoph Hellwig
2023-03-27 22:25 ` Christoph Hellwig
2023-03-27 22:25 ` Christoph Hellwig
2023-03-27 22:25 ` Christoph Hellwig
2023-03-27 22:25 ` Christoph Hellwig
2023-03-31 13:04 ` Arnd Bergmann
2023-03-31 13:04 ` Arnd Bergmann
2023-03-31 13:04 ` Arnd Bergmann
2023-03-31 13:04 ` Arnd Bergmann
2023-03-31 13:04 ` Arnd Bergmann
2023-03-31 13:04 ` Arnd Bergmann
2023-03-30 14:06 ` Lad, Prabhakar
2023-03-30 14:06 ` Lad, Prabhakar
2023-03-30 14:06 ` Lad, Prabhakar
2023-03-30 14:06 ` Lad, Prabhakar
2023-03-30 14:06 ` Lad, Prabhakar
2023-03-30 14:06 ` Lad, Prabhakar
2023-04-13 12:13 ` Biju Das
2023-04-13 12:13 ` Biju Das
2023-04-13 12:13 ` Biju Das
2023-04-13 12:13 ` Biju Das
2023-04-13 12:13 ` Biju Das
2023-04-13 12:13 ` Biju Das
2023-04-13 12:13 ` Biju Das
2023-04-13 12:51 ` Arnd Bergmann
2023-04-13 12:51 ` Arnd Bergmann
2023-04-13 12:51 ` Arnd Bergmann
2023-04-13 12:51 ` Arnd Bergmann
2023-04-13 12:51 ` Arnd Bergmann
2023-04-13 12:51 ` Arnd Bergmann
2023-06-27 16:52 ` Geert Uytterhoeven
2023-06-27 16:52 ` Geert Uytterhoeven
2023-06-27 16:52 ` Geert Uytterhoeven
2023-06-27 16:52 ` Geert Uytterhoeven
2023-06-27 16:52 ` Geert Uytterhoeven
2023-06-27 16:52 ` Geert Uytterhoeven
2023-03-31 16:53 ` [PATCH 00/21] dma-mapping: unify support for cache flushes Catalin Marinas
2023-03-31 16:53 ` Catalin Marinas
2023-03-31 16:53 ` Catalin Marinas
2023-03-31 16:53 ` Catalin Marinas
2023-03-31 16:53 ` Catalin Marinas
2023-03-31 16:53 ` Catalin Marinas
2023-03-31 20:27 ` Arnd Bergmann
2023-03-31 20:27 ` Arnd Bergmann
2023-03-31 20:27 ` Arnd Bergmann
2023-03-31 20:27 ` Arnd Bergmann
2023-03-31 20:27 ` Arnd Bergmann
2023-03-31 20:27 ` Arnd Bergmann
2023-05-25 7:46 ` Lad, Prabhakar
2023-05-25 7:46 ` Lad, Prabhakar
2023-05-25 7:46 ` Lad, Prabhakar
2023-05-25 7:46 ` Lad, Prabhakar
2023-05-25 7:46 ` Lad, Prabhakar
2023-05-25 7:46 ` Lad, Prabhakar
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