From: Jens Axboe <axboe@kernel.dk>
To: raymond pang <raymondpangxd@gmail.com>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] libata: fix using DMA buffers on stack
Date: Thu, 28 Mar 2019 08:17:04 -0600 [thread overview]
Message-ID: <6c7d28e9-ac56-bffe-05c0-2ca7ea6ff37f@kernel.dk> (raw)
In-Reply-To: <20190328121925.15488-1-raymondpangxd@gmail.com>
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
next prev parent reply other threads:[~2019-03-28 14:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-28 12:19 [PATCH] libata: fix using DMA buffers on stack raymond pang
2019-03-28 14:17 ` Jens Axboe [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-03-26 3:07 raymond pang
2019-03-26 14:09 ` Jens Axboe
2019-03-28 12:00 ` raymond pang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=6c7d28e9-ac56-bffe-05c0-2ca7ea6ff37f@kernel.dk \
--to=axboe@kernel.dk \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=raymondpangxd@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).