From: Wei Liu <wl@xen.org>
To: "Jürgen Groß" <jgross@suse.com>
Cc: Christoph Hellwig <hch@lst.de>, Wei Liu <wl@xen.org>,
Bob Liu <bob.liu@oracle.com>,
"Durrant, Paul" <pdurrant@amazon.com>,
Konrad Wilk <konrad.wilk@oracle.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org
Subject: Re: Use of VM_IOREMAP in xenbus
Date: Thu, 9 Apr 2020 15:28:13 +0100 [thread overview]
Message-ID: <20200409142813.lbxembj7b63b2wmi@debian> (raw)
In-Reply-To: <8074b77d-d784-95ee-8d47-069827855876@suse.com>
Hi Christoph
On Thu, Apr 09, 2020 at 08:37:48AM +0200, Jürgen Groß wrote:
> Adjusting recipient list (dropping David, new mail addresses for Wei and
> Paul).
>
> On 09.04.20 08:18, Christoph Hellwig wrote:
> > Hi Wei,
> >
> > commit ccc9d90a9a8b5 ("xenbus_client: Extend interface to support
> > multi-page ring") addes a use of vmap in what is now
> > xenbus_map_ring_valloc_hvm, and uses the VM_IOREMAP flag that is
> > only really intended for implementing ioremap. Do you remember
> > what the reason is that this flag was used?
> >
I don't remember the reason. I can that flag can be dropped per your
reasoning.
Wei.
>
> Juergen
prev parent reply other threads:[~2020-04-09 14:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 6:18 Christoph Hellwig
2020-04-09 6:37 ` Jürgen Groß
2020-04-09 14:28 ` Wei Liu [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=20200409142813.lbxembj7b63b2wmi@debian \
--to=wl@xen.org \
--cc=bob.liu@oracle.com \
--cc=boris.ostrovsky@oracle.com \
--cc=hch@lst.de \
--cc=jgross@suse.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=pdurrant@amazon.com \
--cc=sstabellini@kernel.org \
--cc=xen-devel@lists.xenproject.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
all inboxes | Powered by JetHome®