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Groups > linux.kernel > #1731955
| From | Andrew Morton <akpm@linux-foundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V3 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN in non-coherent DMA mode |
| Date | 2017-09-14 00:00 +0200 |
| Message-ID | <upnRn-4qH-7@gated-at.bofh.it> (permalink) |
| References | <upbZU-5r0-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, 13 Sep 2017 17:20:51 +0800 Huacai Chen <chenhc@lemote.com> wrote: > In non-coherent DMA mode, kernel uses cache flushing operations to > maintain I/O coherency, so the dmapool objects should be aligned to > ARCH_DMA_MINALIGN. What are the user-visible effects of this bug?
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[PATCH V3 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN in non-coherent DMA mode Huacai Chen <chenhc@lemote.com> - 2017-09-13 11:20 +0200
Re: [PATCH V3 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN in non-coherent DMA mode Andrew Morton <akpm@linux-foundation.org> - 2017-09-14 00:00 +0200
Re: [PATCH V3 2/3] mm: dmapool: Align to ARCH_DMA_MINALIGN innon-coherent DMA mode "陈华才" <chenhc@lemote.com> - 2017-09-14 03:20 +0200
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