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From: Marc Zyngier <maz@kernel.org>
To: Linus Walleij <linus.walleij@linaro.org>, Christoph Hellwig <hch@lst.de>
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, 06 May 2022 13:06:14 +0100	[thread overview]
Message-ID: <87pmkq7tmx.wl-maz@kernel.org> (raw)
In-Reply-To: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com>

On Fri, 22 Apr 2022 22:17:20 +0100,
Linus Walleij <linus.walleij@linaro.org> 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.

Finally found some time to hook the machine up and throw a new kernel
at it. Booted at its usual glacial speed, so FWIW:

Tested-by: Marc Zyngier <maz@kernel.org>

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.

WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: Linus Walleij <linus.walleij@linaro.org>,
	 Christoph Hellwig <hch@lst.de>
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, 06 May 2022 13:06:14 +0100	[thread overview]
Message-ID: <87pmkq7tmx.wl-maz@kernel.org> (raw)
In-Reply-To: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com>

On Fri, 22 Apr 2022 22:17:20 +0100,
Linus Walleij <linus.walleij@linaro.org> 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.

Finally found some time to hook the machine up and throw a new kernel
at it. Booted at its usual glacial speed, so FWIW:

Tested-by: Marc Zyngier <maz@kernel.org>

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: Linus Walleij <linus.walleij@linaro.org>,
	 Christoph Hellwig <hch@lst.de>
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, 06 May 2022 13:06:14 +0100	[thread overview]
Message-ID: <87pmkq7tmx.wl-maz@kernel.org> (raw)
In-Reply-To: <CACRpkdbdKBfmXGdyTm3T-MFAK30N-z4KH0k8eD8F7xaYUbDDhA@mail.gmail.com>

On Fri, 22 Apr 2022 22:17:20 +0100,
Linus Walleij <linus.walleij@linaro.org> 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.

Finally found some time to hook the machine up and throw a new kernel
at it. Booted at its usual glacial speed, so FWIW:

Tested-by: Marc Zyngier <maz@kernel.org>

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2022-05-06 12:06 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 [this message]
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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