From: Christoph Hellwig <hch@lst.de>
To: Richard Weinberger <richard@nod.at>
Cc: linux-kernel@vger.kernel.org, sumit.semwal@linaro.org,
iommu@lists.linux-foundation.org, robin.murphy@arm.com,
hch@lst.de, dan.carpenter@oracle.com
Subject: Re: Passing NULL dev to dma_alloc_coherent() allowed or not?
Date: Sun, 28 Jun 2020 09:10:14 +0200 [thread overview]
Message-ID: <20200628071014.GA16213@lst.de> (raw)
In-Reply-To: <1669515915.65540.1593258316061.JavaMail.zimbra@nod.at>
You can't pass NULL. The synclink case is dead code as we stopped
supporting non-PCI adapters a while ago. I had a patch to remove
the !PCI code a while ago, but it seems like it never made it upstream.
The staging code is, well .. staging code.
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
prev parent reply other threads:[~2020-06-28 7:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-27 11:45 Passing NULL dev to dma_alloc_coherent() allowed or not? Richard Weinberger
2020-06-27 13:09 ` Dan Carpenter
2020-06-28 7:10 ` Christoph Hellwig [this message]
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=20200628071014.GA16213@lst.de \
--to=hch@lst.de \
--cc=dan.carpenter@oracle.com \
--cc=iommu@lists.linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=richard@nod.at \
--cc=robin.murphy@arm.com \
--cc=sumit.semwal@linaro.org \
/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).