From: Linus Walleij <linus.walleij@linaro.org>
To: Christoph Hellwig <hch@lst.de>, Marc Zyngier <maz@kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>, Andrew Lunn <andrew@lunn.ch>,
Andre Przywara <andre.przywara@arm.com>,
Gregory Clement <gregory.clement@bootlin.com>,
linux-usb@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Alan Stern <stern@rowland.harvard.edu>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Robin Murphy <robin.murphy@arm.com>,
linux-arm-kernel@lists.infradead.org,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: fully convert arm to use dma-direct
Date: Fri, 22 Apr 2022 23:17:20 +0200 [thread overview]
Message-ID: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com> (raw)
In-Reply-To: <20220421074204.1284072-1-hch@lst.de>
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.
Yours,
Linus Walleij
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Linus Walleij <linus.walleij@linaro.org>
To: Christoph Hellwig <hch@lst.de>, Marc Zyngier <maz@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>,
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: Fri, 22 Apr 2022 23:17:20 +0200 [thread overview]
Message-ID: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com> (raw)
In-Reply-To: <20220421074204.1284072-1-hch@lst.de>
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.
Yours,
Linus Walleij
_______________________________________________
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: Linus Walleij <linus.walleij@linaro.org>
To: Christoph Hellwig <hch@lst.de>, Marc Zyngier <maz@kernel.org>
Cc: Russell King <linux@armlinux.org.uk>,
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: Fri, 22 Apr 2022 23:17:20 +0200 [thread overview]
Message-ID: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com> (raw)
In-Reply-To: <20220421074204.1284072-1-hch@lst.de>
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.
Yours,
Linus Walleij
next prev parent reply other threads:[~2022-04-22 21:17 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 [this message]
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)
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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