linux-kernel - Re: [PATCH v2] scsi: libsas: Allocation SMP request is aligned to ARCH_DMA

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Message-ID: <964862d3-ebb2-59ff-8414-6fd650e421cc@huawei.com>
Date: Thu, 28 Mar 2024 16:00:49 +0800
From: Yihang Li <liyihang9@...wei.com>
To: Christoph Hellwig <hch@...radead.org>, Damien Le Moal <dlemoal@...nel.org>
CC: John Garry <john.g.garry@...cle.com>, <yanaijie@...wei.com>,
	<jejb@...ux.ibm.com>, <martin.petersen@...cle.com>,
	<chenxiang66@...ilicon.com>, <linux-scsi@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>,
	<prime.zeng@...wei.com>, <yangxingui@...wei.com>, <liyihang9@...wei.com>
Subject: Re: [PATCH v2] scsi: libsas: Allocation SMP request is aligned to
 ARCH_DMA_MINALIGN



On 2024/3/28 15:45, Christoph Hellwig wrote:
> On Thu, Mar 28, 2024 at 04:36:12PM +0900, Damien Le Moal wrote:
>> My bad: it is kmalloc() that can return something aligned to 8B...
> 
> Yes, that's new on arm64, and possibly soon riscv.

Thanks for the discussion, I will still aligned to ARCH_DMA_MINALIGN in v4.