Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA

[PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Jing Xiangfeng <hidden> · 2021-03-03
[PATCH stable v5.10 2/7] arm64: mm: Move zone_dma_bits initialization into zone_sizes_init() · Jing Xiangfeng <hidden> · 2021-03-03
Patch "arm64: mm: Move zone_dma_bits initialization into zone_sizes_init()" has been added to the 5.10-stable tree · <gregkh@linuxfoundation.org> · 2021-03-07
[PATCH stable v5.10 4/7] of: unittest: Add test for of_dma_get_max_cpu_address() · Jing Xiangfeng <hidden> · 2021-03-03
Patch "of: unittest: Add test for of_dma_get_max_cpu_address()" has been added to the 5.10-stable tree · <gregkh@linuxfoundation.org> · 2021-03-07
[PATCH stable v5.10 7/7] mm: Remove examples from enum zone_type comment · Jing Xiangfeng <hidden> · 2021-03-03
Patch "mm: Remove examples from enum zone_type comment" has been added to the 5.10-stable tree · <gregkh@linuxfoundation.org> · 2021-03-07
[PATCH stable v5.10 1/7] arm64: mm: Move reserve_crashkernel() into mem_init() · Jing Xiangfeng <hidden> · 2021-03-03
Patch "arm64: mm: Move reserve_crashkernel() into mem_init()" has been added to the 5.10-stable tree · <gregkh@linuxfoundation.org> · 2021-03-07
[PATCH stable v5.10 6/7] arm64: mm: Set ZONE_DMA size based on early IORT scan · Jing Xiangfeng <hidden> · 2021-03-03
Patch "arm64: mm: Set ZONE_DMA size based on early IORT scan" has been added to the 5.10-stable tree · <gregkh@linuxfoundation.org> · 2021-03-07
[PATCH stable v5.10 5/7] arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges · Jing Xiangfeng <hidden> · 2021-03-03
Patch "arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges" has been added to the 5.10-stable tree · <gregkh@linuxfoundation.org> · 2021-03-07
[PATCH stable v5.10 3/7] of/address: Introduce of_dma_get_max_cpu_address() · Jing Xiangfeng <hidden> · 2021-03-03
Patch "of/address: Introduce of_dma_get_max_cpu_address()" has been added to the 5.10-stable tree · <gregkh@linuxfoundation.org> · 2021-03-07
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-03-04
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Nicolas Saenz Julienne <hidden> · 2021-03-04
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-03-04
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Nicolas Saenz Julienne <hidden> · 2021-03-04
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-03-07
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Jing Xiangfeng <hidden> · 2021-03-08
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-03-08
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Kefeng Wang <hidden> · 2021-05-11
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-05-12
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Kefeng Wang <hidden> · 2021-06-23
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-06-23
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Kefeng Wang <hidden> · 2021-06-23
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-06-23
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Kefeng Wang <hidden> · 2021-06-23
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Greg KH <gregkh@linuxfoundation.org> · 2021-06-25
Re: [PATCH stable v5.10 0/7] arm64: Default to 32-bit wide ZONE_DMA · Kefeng Wang <hidden> · 2021-06-26

From: Greg KH <gregkh@linuxfoundation.org>
Date: 2021-03-04 13:47:32
Also in: linux-devicetree, linux-mm, linux-riscv, lkml, stable

On Wed, Mar 03, 2021 at 03:33:12PM +0800, Jing Xiangfeng wrote:

Using two distinct DMA zones turned out to be problematic. Here's an
attempt go back to a saner default.

What problem does this solve?  How does this fit into the stable kernel
rules?

thanks,

greg k-h

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