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Re: [Xen-devel] earlier remove the backend of tapdisk device in xenstore
| To: | Jan Beulich <JBeulich@xxxxxxxxxx>, James Song <JSong@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] earlier remove the backend of tapdisk device in xenstore to release the resource allocated in backend driver lies in dom0'kernel |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Fri, 23 Apr 2010 09:54:43 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 23 Apr 2010 01:55:24 -0700 |
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| In-reply-to: | <4BD172C9020000780003B9E4@xxxxxxxxxxxxxxxxxx> |
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| Thread-index: | AcrivPeQ/QMg9uSzRlmGnzmdbTTSkQABaYVW |
| Thread-topic: | [Xen-devel] earlier remove the backend of tapdisk device in xenstore to release the resource allocated in backend driver lies in dom0'kernel |
| User-agent: | Microsoft-Entourage/12.24.0.100205 |
On 23/04/2010 09:13, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: >> Moving the device destruction a little ahead of killing qemu-dm would >> triger blktapctl thread send CTRMSG_CLOSE to "qemu-dm" before it exit. >> And then, qemu-dm would notify backend driver to release resouce by >> calling release() of driver through closing the opened device file of >> "/dev/xen/blktapN" > > Even though Keir already applied your patch, I continue to disagree: I agreed with you and Jim, and subsequently reverted it. K. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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