From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>, Marc Zyngier <maz@kernel.org>,
Arnd Bergmann <arnd@kernel.org>,
Andre Przywara <andre.przywara@arm.com>,
Andrew Lunn <andrew@lunn.ch>,
Gregory Clement <gregory.clement@bootlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Laurentiu Tudor <laurentiu.tudor@nxp.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: fully convert arm to use dma-direct
Date: Mon, 9 May 2022 16:44:02 +0100 [thread overview]
Message-ID: <Ynk2wjRyH05uEJiO@shell.armlinux.org.uk> (raw)
In-Reply-To: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com>
On Fri, Apr 22, 2022 at 11:17:20PM +0200, Linus Walleij wrote:
> On Thu, Apr 21, 2022 at 9:42 AM Christoph Hellwig <hch@lst.de> wrote:
>
> > arm is the last platform not using the dma-direct code for directly
> > mapped DMA. With the dmaboune removal from Arnd we can easily switch
> > arm to always use dma-direct now (it already does for LPAE configs
> > and nommu). I'd love to merge this series through the dma-mapping tree
> > as it gives us the opportunity for additional core dma-mapping
> > improvements.
> (...)
>
> > b/arch/arm/mach-footbridge/Kconfig | 1
> > b/arch/arm/mach-footbridge/common.c | 19
> > b/arch/arm/mach-footbridge/include/mach/dma-direct.h | 8
> > b/arch/arm/mach-footbridge/include/mach/memory.h | 4
>
> I think Marc Z has a Netwinder that he can test this on. Marc?
> I have one too, just not much in my office because of parental leave.
Netwinder is just more of a PC-but-with-ARM - it doesn't make use of any
of the dmabounce code.
Assabet is what needs testing for that, or one of the SA1110 machines.
I'm away from home on my boat (and have been for the last two and a bit
weeks) so can't test. Sorry.
--
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: Linus Walleij <linus.walleij@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>, Marc Zyngier <maz@kernel.org>,
Arnd Bergmann <arnd@kernel.org>,
Andre Przywara <andre.przywara@arm.com>,
Andrew Lunn <andrew@lunn.ch>,
Gregory Clement <gregory.clement@bootlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>,
Laurentiu Tudor <laurentiu.tudor@nxp.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: fully convert arm to use dma-direct
Date: Mon, 9 May 2022 16:44:02 +0100 [thread overview]
Message-ID: <Ynk2wjRyH05uEJiO@shell.armlinux.org.uk> (raw)
In-Reply-To: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com>
On Fri, Apr 22, 2022 at 11:17:20PM +0200, Linus Walleij wrote:
> On Thu, Apr 21, 2022 at 9:42 AM Christoph Hellwig <hch@lst.de> wrote:
>
> > arm is the last platform not using the dma-direct code for directly
> > mapped DMA. With the dmaboune removal from Arnd we can easily switch
> > arm to always use dma-direct now (it already does for LPAE configs
> > and nommu). I'd love to merge this series through the dma-mapping tree
> > as it gives us the opportunity for additional core dma-mapping
> > improvements.
> (...)
>
> > b/arch/arm/mach-footbridge/Kconfig | 1
> > b/arch/arm/mach-footbridge/common.c | 19
> > b/arch/arm/mach-footbridge/include/mach/dma-direct.h | 8
> > b/arch/arm/mach-footbridge/include/mach/memory.h | 4
>
> I think Marc Z has a Netwinder that he can test this on. Marc?
> I have one too, just not much in my office because of parental leave.
Netwinder is just more of a PC-but-with-ARM - it doesn't make use of any
of the dmabounce code.
Assabet is what needs testing for that, or one of the SA1110 machines.
I'm away from home on my boat (and have been for the last two and a bit
weeks) so can't test. Sorry.
--
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: Linus Walleij <linus.walleij@linaro.org>
Cc: Andrew Lunn <andrew@lunn.ch>, Arnd Bergmann <arnd@kernel.org>,
Marc Zyngier <maz@kernel.org>,
Gregory Clement <gregory.clement@bootlin.com>,
linux-usb@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Alan Stern <stern@rowland.harvard.edu>,
Andre Przywara <andre.przywara@arm.com>,
Robin Murphy <robin.murphy@arm.com>,
Christoph Hellwig <hch@lst.de>,
linux-arm-kernel@lists.infradead.org,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: fully convert arm to use dma-direct
Date: Mon, 9 May 2022 16:44:02 +0100 [thread overview]
Message-ID: <Ynk2wjRyH05uEJiO@shell.armlinux.org.uk> (raw)
In-Reply-To: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com>
On Fri, Apr 22, 2022 at 11:17:20PM +0200, Linus Walleij wrote:
> On Thu, Apr 21, 2022 at 9:42 AM Christoph Hellwig <hch@lst.de> wrote:
>
> > arm is the last platform not using the dma-direct code for directly
> > mapped DMA. With the dmaboune removal from Arnd we can easily switch
> > arm to always use dma-direct now (it already does for LPAE configs
> > and nommu). I'd love to merge this series through the dma-mapping tree
> > as it gives us the opportunity for additional core dma-mapping
> > improvements.
> (...)
>
> > b/arch/arm/mach-footbridge/Kconfig | 1
> > b/arch/arm/mach-footbridge/common.c | 19
> > b/arch/arm/mach-footbridge/include/mach/dma-direct.h | 8
> > b/arch/arm/mach-footbridge/include/mach/memory.h | 4
>
> I think Marc Z has a Netwinder that he can test this on. Marc?
> I have one too, just not much in my office because of parental leave.
Netwinder is just more of a PC-but-with-ARM - it doesn't make use of any
of the dmabounce code.
Assabet is what needs testing for that, or one of the SA1110 machines.
I'm away from home on my boat (and have been for the last two and a bit
weeks) so can't test. Sorry.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2022-05-09 15:44 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-21 7:41 fully convert arm to use dma-direct Christoph Hellwig
2022-04-21 7:41 ` Christoph Hellwig
2022-04-21 7:41 ` Christoph Hellwig
2022-04-21 7:41 ` [PATCH 1/7] ARM: sa1100/assabet: move dmabounce hack to ohci driver Christoph Hellwig
2022-04-21 7:41 ` Christoph Hellwig
2022-04-21 7:41 ` Christoph Hellwig
2022-04-21 7:41 ` [PATCH 2/7] ARM: remove dmabounce Christoph Hellwig
2022-04-21 7:41 ` Christoph Hellwig
2022-04-21 7:41 ` Christoph Hellwig
2022-04-21 7:48 ` Arnd Bergmann
2022-04-21 7:48 ` Arnd Bergmann
2022-04-21 7:48 ` Arnd Bergmann
2022-04-21 7:42 ` [PATCH 3/7] ARM: mark various dma-mapping routines static in dma-mapping.c Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 7:49 ` Arnd Bergmann
2022-04-21 7:49 ` Arnd Bergmann
2022-04-21 7:49 ` Arnd Bergmann
2022-04-21 7:42 ` [PATCH 4/7] ARM: remove the unused virt_to_dma helper Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 8:00 ` Arnd Bergmann
2022-04-21 8:00 ` Arnd Bergmann
2022-04-21 8:00 ` Arnd Bergmann
2022-04-21 14:11 ` Christoph Hellwig
2022-04-21 14:11 ` Christoph Hellwig
2022-04-21 14:11 ` Christoph Hellwig
2022-04-21 7:42 ` [PATCH 5/7] ARM: use dma_to_phys/phys_to_dma in the dma-mapping code Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 8:02 ` Arnd Bergmann
2022-04-21 8:02 ` Arnd Bergmann
2022-04-21 8:02 ` Arnd Bergmann
2022-04-21 7:42 ` [PATCH 6/7] ARM: use the common dma_to_phys/phys_to_dma implementation where possible Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 8:05 ` Arnd Bergmann
2022-04-21 8:05 ` Arnd Bergmann
2022-04-21 8:05 ` Arnd Bergmann
2022-04-21 14:12 ` Christoph Hellwig
2022-04-21 14:12 ` Christoph Hellwig
2022-04-21 14:12 ` Christoph Hellwig
2022-04-21 7:42 ` [PATCH 7/7] ARM: use dma-direct unconditionally Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 7:42 ` Christoph Hellwig
2022-04-21 8:09 ` Arnd Bergmann
2022-04-21 8:09 ` Arnd Bergmann
2022-04-21 8:09 ` Arnd Bergmann
2022-04-21 8:14 ` fully convert arm to use dma-direct Arnd Bergmann
2022-04-21 8:14 ` Arnd Bergmann
2022-04-21 8:14 ` Arnd Bergmann
2022-04-21 10:41 ` Andre Przywara
2022-04-21 10:41 ` Andre Przywara
2022-04-21 10:41 ` Andre Przywara
2022-04-22 21:17 ` Linus Walleij
2022-04-22 21:17 ` Linus Walleij
2022-04-22 21:17 ` Linus Walleij
2022-04-23 10:27 ` Marc Zyngier
2022-04-23 10:27 ` Marc Zyngier
2022-04-23 10:27 ` Marc Zyngier
2022-04-23 16:43 ` Christoph Hellwig
2022-04-23 16:43 ` Christoph Hellwig
2022-04-23 16:43 ` Christoph Hellwig
2022-05-06 12:06 ` Marc Zyngier
2022-05-06 12:06 ` Marc Zyngier
2022-05-06 12:06 ` Marc Zyngier
2022-05-09 6:16 ` Christoph Hellwig
2022-05-09 6:16 ` Christoph Hellwig
2022-05-09 6:16 ` Christoph Hellwig
2022-05-09 15:44 ` Russell King (Oracle) [this message]
2022-05-09 15:44 ` Russell King (Oracle)
2022-05-09 15:44 ` Russell King (Oracle)
2022-05-09 21:51 ` Linus Walleij
2022-05-09 21:51 ` Linus Walleij
2022-05-09 21:51 ` Linus Walleij
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