Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711

[PATCH 0/4] arm64: Default to 32-bit wide ZONE_DMA · Nicolas Saenz Julienne <hidden> · 2020-10-01
[PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Nicolas Saenz Julienne <hidden> · 2020-10-01
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-01
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-01
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Nicolas Saenz Julienne <hidden> · 2020-10-01
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Rob Herring <robh+dt@kernel.org> · 2020-10-01
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-02
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Nicolas Saenz Julienne <hidden> · 2020-10-08
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-08
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Ard Biesheuvel <ardb@kernel.org> · 2020-10-08
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Jeremy Linton <hidden> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Nicolas Saenz Julienne <hidden> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Christoph Hellwig <hch@lst.de> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Ard Biesheuvel <ardb@kernel.org> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Nicolas Saenz Julienne <hidden> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Ard Biesheuvel <ardb@kernel.org> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Nicolas Saenz Julienne <hidden> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Lorenzo Pieralisi <hidden> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Ard Biesheuvel <ardb@kernel.org> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-09
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Ard Biesheuvel <ardb@kernel.org> · 2020-10-10
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Nicolas Saenz Julienne <hidden> · 2020-10-10
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-10
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Christoph Hellwig <hch@lst.de> · 2020-10-12
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-12
Re: [PATCH 1/4] of/fdt: Update zone_dma_bits when running in bcm2711 · kernel test robot <hidden> · 2020-10-02
[PATCH 4/4] mm: Update DMA zones description · Nicolas Saenz Julienne <hidden> · 2020-10-01
Re: [PATCH 4/4] mm: Update DMA zones description · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-01
[PATCH 3/4] arm64: Default to 32-bit ZONE_DMA · Nicolas Saenz Julienne <hidden> · 2020-10-01
Re: [PATCH 3/4] arm64: Default to 32-bit ZONE_DMA · Catalin Marinas <catalin.marinas@arm.com> · 2020-10-01
[PATCH 2/4] dma-direct: Turn zone_dma_bits default value into a define · Nicolas Saenz Julienne <hidden> · 2020-10-01

From: Christoph Hellwig <hch@lst.de>
Date: 2020-10-09 07:10:19
Also in: linux-arm-kernel, linux-iommu, linux-mm, lkml

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?

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