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From: Conor Dooley <conor.dooley@microchip.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Greg Ungerer <gerg@linux-m68k.org>, <iommu@lists.linux.dev>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Conor Dooley <conor@kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Magnus Damm <magnus.damm@gmail.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>,
	Clark Wang <xiaoning.wang@nxp.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	<linux-m68k@lists.linux-m68k.org>, <netdev@vger.kernel.org>,
	<linux-riscv@lists.infradead.org>,
	<linux-renesas-soc@vger.kernel.org>,
	Jim Quinlan <james.quinlan@broadcom.com>
Subject: Re: [PATCH 02/12] riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM
Date: Mon, 16 Oct 2023 13:55:40 +0100	[thread overview]
Message-ID: <20231016-chomp-vitally-b6c004be7809@wendy> (raw)
In-Reply-To: <20231016054755.915155-3-hch@lst.de>

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On Mon, Oct 16, 2023 at 07:47:44AM +0200, Christoph Hellwig wrote:
> RISCV_DMA_NONCOHERENT is also used for whacky non-standard
> non-coherent ops that use different hooks in dma-direct.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

> ---
>  arch/riscv/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 0ac0b538379718..9c48fecc671918 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -273,7 +273,6 @@ config RISCV_DMA_NONCOHERENT
>  	select ARCH_HAS_SYNC_DMA_FOR_CPU
>  	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
>  	select DMA_BOUNCE_UNALIGNED_KMALLOC if SWIOTLB
> -	select DMA_DIRECT_REMAP if MMU
>  
>  config RISCV_NONSTANDARD_CACHE_OPS
>  	bool
> @@ -549,6 +548,7 @@ config RISCV_ISA_ZICBOM
>  	depends on RISCV_ALTERNATIVE
>  	default y
>  	select RISCV_DMA_NONCOHERENT
> +	select DMA_DIRECT_REMAP
>  	help
>  	   Adds support to dynamically detect the presence of the ZICBOM
>  	   extension (Cache Block Management Operations) and enable its
> -- 
> 2.39.2
> 

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WARNING: multiple messages have this Message-ID (diff)
From: Conor Dooley <conor.dooley@microchip.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Greg Ungerer <gerg@linux-m68k.org>, <iommu@lists.linux.dev>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Conor Dooley <conor@kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Magnus Damm <magnus.damm@gmail.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>,
	Clark Wang <xiaoning.wang@nxp.com>,
	NXP Linux Team <linux-imx@nxp.com>,
	<linux-m68k@lists.linux-m68k.org>, <netdev@vger.kernel.org>,
	<linux-riscv@lists.infradead.org>,
	<linux-renesas-soc@vger.kernel.org>,
	Jim Quinlan <james.quinlan@broadcom.com>
Subject: Re: [PATCH 02/12] riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM
Date: Mon, 16 Oct 2023 13:55:40 +0100	[thread overview]
Message-ID: <20231016-chomp-vitally-b6c004be7809@wendy> (raw)
In-Reply-To: <20231016054755.915155-3-hch@lst.de>


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On Mon, Oct 16, 2023 at 07:47:44AM +0200, Christoph Hellwig wrote:
> RISCV_DMA_NONCOHERENT is also used for whacky non-standard
> non-coherent ops that use different hooks in dma-direct.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

> ---
>  arch/riscv/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 0ac0b538379718..9c48fecc671918 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -273,7 +273,6 @@ config RISCV_DMA_NONCOHERENT
>  	select ARCH_HAS_SYNC_DMA_FOR_CPU
>  	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
>  	select DMA_BOUNCE_UNALIGNED_KMALLOC if SWIOTLB
> -	select DMA_DIRECT_REMAP if MMU
>  
>  config RISCV_NONSTANDARD_CACHE_OPS
>  	bool
> @@ -549,6 +548,7 @@ config RISCV_ISA_ZICBOM
>  	depends on RISCV_ALTERNATIVE
>  	default y
>  	select RISCV_DMA_NONCOHERENT
> +	select DMA_DIRECT_REMAP
>  	help
>  	   Adds support to dynamically detect the presence of the ZICBOM
>  	   extension (Cache Block Management Operations) and enable its
> -- 
> 2.39.2
> 

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  parent reply	other threads:[~2023-10-16 12:56 UTC|newest]

Thread overview: 78+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-16  5:47 fix the non-coherent coldfire dma_alloc_coherent v2 Christoph Hellwig
2023-10-16  5:47 ` Christoph Hellwig
2023-10-16  5:47 ` [PATCH 01/12] riscv: RISCV_NONSTANDARD_CACHE_OPS shouldn't depend on RISCV_DMA_NONCOHERENT Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 12:49   ` Conor Dooley
2023-10-16 12:49     ` Conor Dooley
2023-10-16 13:17     ` Christoph Hellwig
2023-10-16 13:17       ` Christoph Hellwig
2023-10-16 17:16       ` Conor Dooley
2023-10-16 17:16         ` Conor Dooley
2023-10-16  5:47 ` [PATCH 02/12] riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 11:18   ` Robin Murphy
2023-10-16 11:18     ` Robin Murphy
2023-10-16 12:55   ` Conor Dooley [this message]
2023-10-16 12:55     ` Conor Dooley
2023-10-16 15:39   ` Lad, Prabhakar
2023-10-16 15:39     ` Lad, Prabhakar
2023-10-16  5:47 ` [PATCH 03/12] soc: renesas: ARCH_R9A07G043 depends on !RISCV_ISA_ZICBOM Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 12:53   ` Conor Dooley
2023-10-16 12:53     ` Conor Dooley
2023-10-16 15:40   ` Lad, Prabhakar
2023-10-16 15:40     ` Lad, Prabhakar
2023-10-17  7:59   ` Geert Uytterhoeven
2023-10-17  7:59     ` Geert Uytterhoeven
2023-10-16  5:47 ` [PATCH 04/12] soc: renesas: select RISCV_DMA_NONCOHERENT from ARCH_R9A07G043 Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 12:52   ` Conor Dooley
2023-10-16 12:52     ` Conor Dooley
2023-10-16 13:17     ` Christoph Hellwig
2023-10-16 13:17       ` Christoph Hellwig
2023-10-17 10:44       ` Geert Uytterhoeven
2023-10-17 10:44         ` Geert Uytterhoeven
2023-10-17 12:46         ` Christoph Hellwig
2023-10-17 12:46           ` Christoph Hellwig
2023-10-17 13:12           ` Geert Uytterhoeven
2023-10-17 13:12             ` Geert Uytterhoeven
2023-10-16 15:42   ` Lad, Prabhakar
2023-10-16 15:42     ` Lad, Prabhakar
2023-10-17  8:20   ` Geert Uytterhoeven
2023-10-17  8:20     ` Geert Uytterhoeven
2023-10-16  5:47 ` [PATCH 05/12] dma-direct: add depdenencies to CONFIG_DMA_GLOBAL_POOL Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 11:18   ` Robin Murphy
2023-10-16 11:18     ` Robin Murphy
2023-10-16 15:44   ` Lad, Prabhakar
2023-10-16 15:44     ` Lad, Prabhakar
2023-10-16  5:47 ` [PATCH 06/12] dma-direct: add a CONFIG_ARCH_DMA_ALLOC symbol Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 11:33   ` Robin Murphy
2023-10-16 11:33     ` Robin Murphy
2023-10-16  5:47 ` [PATCH 07/12] dma-direct: simplify the use atomic pool logic in dma_direct_alloc Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 11:58   ` Robin Murphy
2023-10-16 11:58     ` Robin Murphy
2023-10-16  5:47 ` [PATCH 08/12] dma-direct: warn when coherent allocations aren't supported Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16 11:59   ` Robin Murphy
2023-10-16 11:59     ` Robin Murphy
2023-10-16  5:47 ` [PATCH 09/12] m68k: use the coherent DMA code for coldfire without data cache Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-17  8:40   ` Geert Uytterhoeven
2023-10-17  8:40     ` Geert Uytterhoeven
2023-10-19 12:50   ` Greg Ungerer
2023-10-19 12:50     ` Greg Ungerer
2023-10-16  5:47 ` [PATCH 10/12] net: fec: use dma_alloc_noncoherent for data cache enabled coldfire Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-17  8:43   ` Geert Uytterhoeven
2023-10-17  8:43     ` Geert Uytterhoeven
2023-10-16  5:47 ` [PATCH 11/12] m68k: don't provide arch_dma_alloc for nommu/coldfire Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-16  5:47 ` [PATCH 12/12] m68k: remove unused includes from dma.c Christoph Hellwig
2023-10-16  5:47   ` Christoph Hellwig
2023-10-17  8:48   ` Geert Uytterhoeven
2023-10-17  8:48     ` Geert Uytterhoeven
2023-10-19 13:09 ` fix the non-coherent coldfire dma_alloc_coherent v2 Greg Ungerer
2023-10-19 13:09   ` Greg Ungerer

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