Messages in this thread | | | From | "Martin K. Petersen" <> | Subject | Re: [PATCH v4] scsi: libsas: Allocation SMP request is aligned to ARCH_DMA_MINALIGN | Date | Mon, 1 Apr 2024 21:48:37 -0400 |
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On Thu, 28 Mar 2024 17:06:26 +0800, Yihang Li wrote:
> This series [1] reducing the kmalloc() minimum alignment on arm64 to 8 > (from 128). In libsas, this will cause SMP requests to be 8-byte-aligned > through kmalloc() allocation. However, for the hisi_sas hardware, all > commands address must be 16-byte-aligned. Otherwise, the commands fail to > be executed. > > ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA > operations, so use ARCH_DMA_MINALIGN as the alignment for SMP request. > > [...]
Applied to 6.9/scsi-fixes, thanks!
[1/1] scsi: libsas: Allocation SMP request is aligned to ARCH_DMA_MINALIGN https://git.kernel.org/mkp/scsi/c/e675a4fd6d1f
-- Martin K. Petersen Oracle Linux Engineering
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