linux-kernel - Re: [PATCH] libata: fix using DMA buffers on stack

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Message-ID: <6c7d28e9-ac56-bffe-05c0-2ca7ea6ff37f@kernel.dk>
Date:   Thu, 28 Mar 2019 08:17:04 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     raymond pang <raymondpangxd@...il.com>
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] libata: fix using DMA buffers on stack

On 3/28/19 6:19 AM, raymond pang wrote:
> When CONFIG_VMAP_STACK=y, __pa() returns incorrect physical address for
> a stack virtual address. Stack DMA buffers must be avoided.

Thanks, applied.

-- 
Jens Axboe