From: Christoph Hellwig <hch@lst.de>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: devicetree@vger.kernel.org, Frank Rowand <frowand.list@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
iommu@lists.linux-foundation.org,
Rob Herring <robh+dt@kernel.org>,
linux-rpi-kernel@lists.infradead.org, will@kernel.org,
hch@lst.de, linux-arm-kernel@lists.infradead.org,
robin.murphy@arm.com
Subject: Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711
Date: Fri, 9 Oct 2020 09:10:13 +0200 [thread overview]
Message-ID: <20201009071013.GA12208@lst.de> (raw)
In-Reply-To: <12f33d487eabd626db4c07ded5a1447795eed355.camel@suse.de>
On Thu, Oct 08, 2020 at 12:05:25PM +0200, Nicolas Saenz Julienne wrote:
> Sadly I just realised that the series is incomplete, we have RPi4 users that
> want to boot unsing ACPI, and this series would break things for them. I'll
> have a word with them to see what we can do for their use-case.
Stupid question: why do these users insist on a totally unsuitable
interface? And why would we as Linux developers care to support such
a aims?
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: devicetree@vger.kernel.org, Frank Rowand <frowand.list@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
iommu@lists.linux-foundation.org,
Rob Herring <robh+dt@kernel.org>,
linux-rpi-kernel@lists.infradead.org, will@kernel.org,
hch@lst.de, linux-arm-kernel@lists.infradead.org,
robin.murphy@arm.com
Subject: Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711
Date: Fri, 9 Oct 2020 09:10:13 +0200 [thread overview]
Message-ID: <20201009071013.GA12208@lst.de> (raw)
In-Reply-To: <12f33d487eabd626db4c07ded5a1447795eed355.camel@suse.de>
On Thu, Oct 08, 2020 at 12:05:25PM +0200, Nicolas Saenz Julienne wrote:
> Sadly I just realised that the series is incomplete, we have RPi4 users that
> want to boot unsing ACPI, and this series would break things for them. I'll
> have a word with them to see what we can do for their use-case.
Stupid question: why do these users insist on a totally unsuitable
interface? And why would we as Linux developers care to support such
a aims?
_______________________________________________
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: Christoph Hellwig <hch@lst.de>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, will@kernel.org,
Frank Rowand <frowand.list@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
iommu@lists.linux-foundation.org,
linux-rpi-kernel@lists.infradead.org, robin.murphy@arm.com,
hch@lst.de, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711
Date: Fri, 9 Oct 2020 09:10:13 +0200 [thread overview]
Message-ID: <20201009071013.GA12208@lst.de> (raw)
In-Reply-To: <12f33d487eabd626db4c07ded5a1447795eed355.camel@suse.de>
On Thu, Oct 08, 2020 at 12:05:25PM +0200, Nicolas Saenz Julienne wrote:
> Sadly I just realised that the series is incomplete, we have RPi4 users that
> want to boot unsing ACPI, and this series would break things for them. I'll
> have a word with them to see what we can do for their use-case.
Stupid question: why do these users insist on a totally unsuitable
interface? And why would we as Linux developers care to support such
a aims?
next prev parent reply other threads:[~2020-10-09 7:10 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 16:17 [PATCH 0/4] arm64: Default to 32-bit wide ZONE_DMA Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 16:17 ` [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 17:15 ` Catalin Marinas
2020-10-01 17:15 ` Catalin Marinas
2020-10-01 17:15 ` Catalin Marinas
2020-10-01 17:23 ` Catalin Marinas
2020-10-01 17:23 ` Catalin Marinas
2020-10-01 17:23 ` Catalin Marinas
2020-10-01 17:31 ` Nicolas Saenz Julienne
2020-10-01 17:31 ` Nicolas Saenz Julienne
2020-10-01 17:31 ` Nicolas Saenz Julienne
2020-10-01 20:02 ` Rob Herring
2020-10-01 20:02 ` Rob Herring
2020-10-01 20:02 ` Rob Herring
2020-10-02 11:55 ` Catalin Marinas
2020-10-02 11:55 ` Catalin Marinas
2020-10-02 11:55 ` Catalin Marinas
2020-10-08 10:05 ` Nicolas Saenz Julienne
2020-10-08 10:05 ` Nicolas Saenz Julienne
2020-10-08 10:05 ` Nicolas Saenz Julienne
2020-10-08 10:13 ` Catalin Marinas
2020-10-08 10:13 ` Catalin Marinas
2020-10-08 10:13 ` Catalin Marinas
2020-10-08 19:43 ` Ard Biesheuvel
2020-10-08 19:43 ` Ard Biesheuvel
2020-10-08 19:43 ` Ard Biesheuvel
2020-10-09 3:59 ` Jeremy Linton
2020-10-09 3:59 ` Jeremy Linton
2020-10-09 3:59 ` Jeremy Linton
2020-10-09 8:37 ` Nicolas Saenz Julienne
2020-10-09 8:37 ` Nicolas Saenz Julienne
2020-10-09 8:37 ` Nicolas Saenz Julienne
2020-10-09 7:10 ` Christoph Hellwig [this message]
2020-10-09 7:10 ` Christoph Hellwig
2020-10-09 7:10 ` Christoph Hellwig
2020-10-09 7:37 ` Ard Biesheuvel
2020-10-09 7:37 ` Ard Biesheuvel
2020-10-09 7:37 ` Ard Biesheuvel
2020-10-09 8:36 ` Nicolas Saenz Julienne
2020-10-09 8:36 ` Nicolas Saenz Julienne
2020-10-09 8:36 ` Nicolas Saenz Julienne
2020-10-09 9:13 ` Ard Biesheuvel
2020-10-09 9:13 ` Ard Biesheuvel
2020-10-09 9:13 ` Ard Biesheuvel
2020-10-09 13:33 ` Nicolas Saenz Julienne
2020-10-09 13:33 ` Nicolas Saenz Julienne
2020-10-09 13:33 ` Nicolas Saenz Julienne
2020-10-09 15:24 ` Lorenzo Pieralisi
2020-10-09 15:24 ` Lorenzo Pieralisi
2020-10-09 15:24 ` Lorenzo Pieralisi
2020-10-09 16:23 ` Ard Biesheuvel
2020-10-09 16:23 ` Ard Biesheuvel
2020-10-09 16:23 ` Ard Biesheuvel
2020-10-09 17:10 ` Catalin Marinas
2020-10-09 17:10 ` Catalin Marinas
2020-10-09 17:10 ` Catalin Marinas
2020-10-10 10:36 ` Ard Biesheuvel
2020-10-10 10:36 ` Ard Biesheuvel
2020-10-10 10:36 ` Ard Biesheuvel
2020-10-10 10:53 ` Nicolas Saenz Julienne
2020-10-10 10:53 ` Nicolas Saenz Julienne
2020-10-10 10:53 ` Nicolas Saenz Julienne
2020-10-10 12:38 ` Catalin Marinas
2020-10-10 12:38 ` Catalin Marinas
2020-10-10 12:38 ` Catalin Marinas
2020-10-12 6:47 ` Christoph Hellwig
2020-10-12 6:47 ` Christoph Hellwig
2020-10-12 6:47 ` Christoph Hellwig
2020-10-12 8:47 ` Catalin Marinas
2020-10-12 8:47 ` Catalin Marinas
2020-10-12 8:47 ` Catalin Marinas
2020-10-02 9:05 ` kernel test robot
2020-10-02 9:05 ` kernel test robot
2020-10-02 9:05 ` kernel test robot
2020-10-01 16:17 ` [PATCH 2/4] dma-direct: Turn zone_dma_bits default value into a define Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 16:17 ` [PATCH 3/4] arm64: Default to 32-bit ZONE_DMA Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 17:19 ` Catalin Marinas
2020-10-01 17:19 ` Catalin Marinas
2020-10-01 17:19 ` Catalin Marinas
2020-10-01 16:17 ` [PATCH 4/4] mm: Update DMA zones description Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 16:17 ` Nicolas Saenz Julienne
2020-10-01 17:19 ` Catalin Marinas
2020-10-01 17:19 ` Catalin Marinas
2020-10-01 17:19 ` Catalin Marinas
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