From: Ard Biesheuvel <ardb@kernel.org>
To: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
Christoph Hellwig <hch@lst.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Robin Murphy <robin.murphy@arm.com>,
Russell King <linux@armlinux.org.uk>
Subject: Re: [PATCH 0/2] arm64: mm: Fix cache maintenance for non-coherent streaming DMA
Date: Sat, 11 Jun 2022 10:01:30 +0200 [thread overview]
Message-ID: <CAMj1kXGpBhad2f5_q93SUSrW3_ViuzOp2nEzP1XvxuTVQbw3LQ@mail.gmail.com> (raw)
In-Reply-To: <20220610151228.4562-1-will@kernel.org>
On Fri, 10 Jun 2022 at 17:12, Will Deacon <will@kernel.org> wrote:
>
> Hi all,
>
> This pair of patches follows-up on the discussion we had on linux-arch
> earlier this week and addresses the reported problem for arm64 only.
>
> Other architectures should be able to do something similar if they wish,
> but this all came out of discussion and code inspection rather than a
> concrete failure.
>
> Cheers,
>
> Will
>
> Cc: Ard Biesheuvel <ardb@kernel.org>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Robin Murphy <robin.murphy@arm.com>
> Cc: Russell King <linux@armlinux.org.uk>
>
> --->8
>
> Will Deacon (2):
> arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA
> transfer
> arm64: mm: Remove assembly DMA cache maintenance wrappers
>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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next prev parent reply other threads:[~2022-06-11 8:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-10 15:12 [PATCH 0/2] arm64: mm: Fix cache maintenance for non-coherent streaming DMA Will Deacon
2022-06-10 15:12 ` [PATCH 1/2] arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer Will Deacon
2022-06-10 15:12 ` Will Deacon
2022-06-10 15:12 ` [PATCH 2/2] arm64: mm: Remove assembly DMA cache maintenance wrappers Will Deacon
2022-06-13 5:53 ` Christoph Hellwig
2022-06-17 18:07 ` Catalin Marinas
2022-06-11 8:01 ` Ard Biesheuvel [this message]
2022-06-17 18:25 ` (subset) [PATCH 0/2] arm64: mm: Fix cache maintenance for non-coherent streaming DMA Catalin Marinas
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