From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>,
linux-block@vger.kernel.org, Keith Busch <kbusch@kernel.org>,
Jens Axboe <axboe@kernel.dk>,
Catalin Marinas <catalin.marinas@arm.com>,
Robin Murphy <robin.murphy@arm.com>
Subject: Re: [Regression] b1a000d3b8ec ("block: relax direct io memory alignment")
Date: Tue, 22 Oct 2024 09:25:41 +0200 [thread overview]
Message-ID: <20241022072541.GB12249@lst.de> (raw)
In-Reply-To: <Zxb-EWevBxzjbYL3@fedora>
On Tue, Oct 22, 2024 at 09:21:21AM +0800, Ming Lei wrote:
> Can you take coherent DMA into account on kernel/dma/debug.c first?
We intentionally don't to force people to write portable code.
> Otherwise the warning still may be triggered on coherent DMA.
Well, it is a valid warning for the above reason.
next prev parent reply other threads:[~2024-10-22 7:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-15 16:40 [Regression] b1a000d3b8ec ("block: relax direct io memory alignment") Ming Lei
2024-10-16 8:04 ` Christoph Hellwig
2024-10-16 8:31 ` Ming Lei
2024-10-16 12:31 ` Christoph Hellwig
2024-10-22 1:21 ` Ming Lei
2024-10-22 7:25 ` Christoph Hellwig [this message]
2024-10-22 2:15 ` Jens Axboe
2024-10-22 10:24 ` Catalin Marinas
2024-10-23 0:50 ` Ming Lei
2024-10-23 6:12 ` Christoph Hellwig
2024-10-23 8:14 ` Ming Lei
2024-10-23 12:23 ` Christoph Hellwig
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=20241022072541.GB12249@lst.de \
--to=hch@lst.de \
--cc=axboe@kernel.dk \
--cc=catalin.marinas@arm.com \
--cc=kbusch@kernel.org \
--cc=linux-block@vger.kernel.org \
--cc=ming.lei@redhat.com \
--cc=robin.murphy@arm.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).