From: Zhenzhong Duan <zhenzhong.duan@oracle.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
xen-devel@lists.xensource.com,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Yuval Shaia <yuval.shaia@oracle.com>,
Feng Jin <joe.jin@oracle.com>, Chien Yen <chien.yen@oracle.com>
Subject: Re: [PATCH] xen: reuse the same pirq allocated when driver load first time
Date: Mon, 13 May 2013 15:44:36 +0800 [thread overview]
Message-ID: <519099E4.1070709@oracle.com> (raw)
In-Reply-To: <20130510185339.GD2562@phenom.dumpdata.com>
On 2013-05-11 02:53, Konrad Rzeszutek Wilk wrote:
> On Wed, May 08, 2013 at 04:18:24PM +0800, Zhenzhong Duan wrote:
>> When driver load and unload in a loop, pirq will exhaust finally.
>> Try to use the same pirq which was already mapped and binded at first time
> So what happens if I unload and reload two drivers in random order?
Same result. In fact, not only pirq exhuast issue, also driver can't be
reloaded successfully everytime.
When trying to load driver which need to setup msix (ex. mlx4_core) it once
succeed and once failed (3rd time succeed, 4th failed etc).
zduan
next prev parent reply other threads:[~2013-05-13 7:44 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-08 8:18 [PATCH] xen: reuse the same pirq allocated when driver load first time Zhenzhong Duan
2013-05-10 18:53 ` Konrad Rzeszutek Wilk
2013-05-13 7:44 ` Zhenzhong Duan [this message]
2013-05-13 11:06 ` Stefano Stabellini
2013-05-13 14:07 ` Konrad Rzeszutek Wilk
2013-05-13 14:50 ` Stefano Stabellini
2013-05-13 16:17 ` Konrad Rzeszutek Wilk
2013-05-13 17:24 ` Stefano Stabellini
2013-05-13 18:20 ` Konrad Rzeszutek Wilk
2013-05-14 13:49 ` Stefano Stabellini
2013-05-14 14:20 ` Konrad Rzeszutek Wilk
2013-05-15 9:41 ` Stefano Stabellini
2013-05-15 14:18 ` Zhenzhong Duan
2013-05-17 2:22 ` Zhenzhong Duan
2013-05-20 10:24 ` Stefano Stabellini
2013-05-20 15:24 ` Konrad Rzeszutek Wilk
2013-05-20 17:57 ` Konrad Rzeszutek Wilk
2013-05-20 20:38 ` Konrad Rzeszutek Wilk
2013-05-21 10:07 ` [Xen-devel] " David Vrabel
2013-05-21 13:40 ` Konrad Rzeszutek Wilk
2013-05-21 16:51 ` Stefano Stabellini
2013-05-21 20:42 ` Konrad Rzeszutek Wilk
2013-05-21 21:50 ` Stefano Stabellini
2013-05-21 22:41 ` Konrad Rzeszutek Wilk
2013-05-22 9:37 ` Jan Beulich
2013-05-22 15:14 ` Konrad Rzeszutek Wilk
2013-05-22 15:25 ` Jan Beulich
2013-05-22 16:41 ` Konrad Rzeszutek Wilk
2013-05-23 6:31 ` Jan Beulich
2013-05-29 17:50 ` Stefano Stabellini
2013-05-30 17:48 ` Konrad Rzeszutek Wilk
2013-06-05 5:27 ` Zhenzhong Duan
2013-06-05 12:50 ` [Xen-devel] " Stefano Stabellini
2013-06-20 2:57 ` Zhenzhong Duan
2013-06-20 14:21 ` Stefano Stabellini
2013-06-24 7:19 ` Zhenzhong Duan
2013-06-24 17:18 ` Stefano Stabellini
2013-06-25 5:33 ` DuanZhenzhong
2013-06-25 7:21 ` [PATCH 4.1] x86: fix emuirq regression from XSA-21 fix (was: Re: [PATCH] xen: reuse the same pirq allocated when driver load first time) Jan Beulich
2013-06-25 7:44 ` [PATCH 4.1] x86: fix emuirq regression from XSA-21 fix DuanZhenzhong
2013-06-25 8:36 ` Jan Beulich
2013-06-25 8:43 ` DuanZhenzhong
2013-06-25 10:56 ` [PATCH 4.1] x86: fix emuirq regression from XSA-21 fix (was: Re: [PATCH] xen: reuse the same pirq allocated when driver load first time) Stefano Stabellini
2013-06-25 11:03 ` Stefano Stabellini
2013-06-27 8:34 ` Jan Beulich
2013-06-27 10:46 ` Stefano Stabellini
2013-06-25 17:51 ` [Xen-devel] [PATCH] xen: reuse the same pirq allocated when driver load first time Stefano Stabellini
2013-06-26 4:00 ` Zhenzhong Duan
2013-06-26 18:08 ` Stefano Stabellini
2013-06-27 4:01 ` Zhenzhong Duan
2013-06-27 11:52 ` Stefano Stabellini
2013-06-28 2:33 ` Zhenzhong Duan
2013-06-28 11:12 ` Stefano Stabellini
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=519099E4.1070709@oracle.com \
--to=zhenzhong.duan@oracle.com \
--cc=chien.yen@oracle.com \
--cc=hpa@zytor.com \
--cc=joe.jin@oracle.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=stefano.stabellini@eu.citrix.com \
--cc=tglx@linutronix.de \
--cc=xen-devel@lists.xensource.com \
--cc=yuval.shaia@oracle.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).