Messages in this thread | | | Subject | Re: [PATCH v3 RESEND] riscv: mm: still create swiotlb buffer for kmalloc() bouncing if required | From | patchwork-bot+linux-riscv@kernel ... | Date | Sun, 28 Apr 2024 22:00:34 +0000 |
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Hello:
This patch was applied to riscv/linux.git (for-next) by Palmer Dabbelt <palmer@rivosinc.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
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