linux-kernel - Re: [PATCH v3 RESEND] riscv: mm: still create swiotlb buffer for kmalloc() bouncing if required

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Message-Id: 
 <171434163482.22130.12186262884085784070.git-patchwork-notify@kernel.org>
Date: Sun, 28 Apr 2024 22:00:34 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Jisheng Zhang <jszhang@...nel.org>
Cc: linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
 palmer@...belt.com, aou@...s.berkeley.edu, linux-kernel@...r.kernel.org,
 alexghiti@...osinc.com
Subject: Re: [PATCH v3 RESEND] riscv: mm: still create swiotlb buffer for
 kmalloc() bouncing if required

Hello:

This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer@...osinc.com>:

On Mon, 25 Mar 2024 19:00:36 +0800 you wrote:
> After commit f51f7a0fc2f4 ("riscv: enable DMA_BOUNCE_UNALIGNED_KMALLOC
> for !dma_coherent"), for non-coherent platforms with less than 4GB
> memory, we rely on users to pass "swiotlb=mmnn,force" kernel parameters
> to enable DMA bouncing for unaligned kmalloc() buffers. Now let's go
> further: If no bouncing needed for ZONE_DMA, let kernel automatically
> allocate 1MB swiotlb buffer per 1GB of RAM for kmalloc() bouncing on
> non-coherent platforms, so that no need to pass "swiotlb=mmnn,force"
> any more.
> 
> [...]

Here is the summary with links:
  - [v3,RESEND] riscv: mm: still create swiotlb buffer for kmalloc() bouncing if required
    https://git.kernel.org/riscv/c/fc7a50eed986

You are awesome, thank you!
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