Re: [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes

[RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 · guoren@kernel.org · 2021-06-06
[RFC PATCH v2 01/11] riscv: asid: Use global mappings for kernel pages · guoren@kernel.org · 2021-06-06
[PATCH V5 1/3] riscv: Use global mappings for kernel pages · guoren@kernel.org · 2021-06-06
[PATCH V5 2/3] riscv: Add ASID-based tlbflushing methods · guoren@kernel.org · 2021-06-06
Re: [PATCH V5 2/3] riscv: Add ASID-based tlbflushing methods · Christoph Hellwig <hch@lst.de> · 2021-06-06
[RFC PATCH v2 02/11] riscv: asid: Add ASID-based tlbflushing methods · guoren@kernel.org · 2021-06-06
[RFC PATCH v2 03/11] riscv: asid: Optimize tlbflush coding convention · guoren@kernel.org · 2021-06-06
[PATCH V5 3/3] riscv: tlbflush: Optimize coding convention · guoren@kernel.org · 2021-06-06
[RFC PATCH v2 04/11] riscv: pgtable: Fixup _PAGE_CHG_MASK usage · guoren@kernel.org · 2021-06-06
[RFC PATCH v2 05/11] riscv: pgtable: Add custom protection_map init · guoren@kernel.org · 2021-06-06
[RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes · guoren@kernel.org · 2021-06-06
Re: [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes · Christoph Hellwig <hch@lst.de> · 2021-06-06
Re: [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes · Guo Ren <guoren@kernel.org> · 2021-06-06
Re: [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes · Nick Kossifidis <hidden> · 2021-06-06
Re: [RFC PATCH v2 06/11] riscv: pgtable: Add DMA_COHERENT with custom PTE attributes · Christoph Hellwig <hch@lst.de> · 2021-06-07
[RFC PATCH v2 07/11] riscv: cmo: Add dma-noncoherency support · guoren@kernel.org · 2021-06-06
Re: [RFC PATCH v2 07/11] riscv: cmo: Add dma-noncoherency support · twd2 <hidden> · 2021-10-17
Re: [RFC PATCH v2 07/11] riscv: cmo: Add dma-noncoherency support · Guo Ren <guoren@kernel.org> · 2021-10-20
[RFC PATCH v2 08/11] riscv: cmo: Add vendor custom icache sync · guoren@kernel.org · 2021-06-06
[RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · guoren@kernel.org · 2021-06-06
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Jernej Škrabec <jernej.skrabec@gmail.com> · 2021-06-06
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Guo Ren <guoren@kernel.org> · 2021-06-06
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Guo Ren <guoren@kernel.org> · 2021-06-07
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Maxime Ripard <hidden> · 2021-06-07
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Guo Ren <guoren@kernel.org> · 2021-06-07
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Maxime Ripard <hidden> · 2021-06-07
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Guo Ren <guoren@kernel.org> · 2021-06-07
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Maxime Ripard <hidden> · 2021-06-14
Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Guo Ren <guoren@kernel.org> · 2021-06-14
Re: Re: [RFC PATCH v2 09/11] riscv: soc: Initial DTS for Allwinner D1 NeZha board · Jernej Škrabec <jernej.skrabec@gmail.com> · 2021-06-14
[RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option · guoren@kernel.org · 2021-06-06
Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option · Maxime Ripard <hidden> · 2021-06-07
Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option · Arnd Bergmann <arnd@arndb.de> · 2021-06-07
Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option · Guo Ren <guoren@kernel.org> · 2021-06-07
Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option · Guo Ren <guoren@kernel.org> · 2021-06-07
Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option · Maxime Ripard <hidden> · 2021-06-07
Re: [RFC PATCH v2 10/11] riscv: soc: Add Allwinner SoC kconfig option · Guo Ren <guoren@kernel.org> · 2021-06-07
[RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use · guoren@kernel.org · 2021-06-06
Re: [RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use · Andre Przywara <andre.przywara@arm.com> · 2021-06-06
Re: [RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use · Arnd Bergmann <arnd@arndb.de> · 2021-06-06
Re: [RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use · Jernej Škrabec <jernej.skrabec@gmail.com> · 2021-06-06
Re: [RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use · Guo Ren <guoren@kernel.org> · 2021-06-06
Re: [RFC PATCH v2 11/11] riscv: soc: Allwinner D1 GMAC driver only for temp use · Guo Ren <guoren@kernel.org> · 2021-06-06
Re: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 · Jernej Škrabec <jernej.skrabec@gmail.com> · 2021-06-06
Re: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 · Guo Ren <guoren@kernel.org> · 2021-06-06
Re: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 · Jernej Škrabec <jernej.skrabec@gmail.com> · 2021-06-06
Re: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 · Guo Ren <guoren@kernel.org> · 2021-06-06
RE: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 · Anup Patel <hidden> · 2021-06-07
Re: [RFC PATCH v2 00/11] riscv: Add DMA_COHERENT support for Allwinner D1 · Guo Ren <guoren@kernel.org> · 2021-06-07

From: Guo Ren <guoren@kernel.org>
Date: 2021-06-06 15:08:59
Also in: linux-riscv, linux-sunxi, lkml

On Sun, Jun 6, 2021 at 10:39 PM Christoph Hellwig [off-list ref] wrote:

NAK, no SOC must ever mess with pagetable attributes.

I don't think it messes with page table attributes. _PAGE_BASE
contains variable won't cause any problem.

-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/

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