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Re: [Xen-devel] [PATCH 2/6] xen/hvm kexec: unregister shutdown+sysrq wat
| To: | Olaf Hering <olaf@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH 2/6] xen/hvm kexec: unregister shutdown+sysrq watches during reboot |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Mon, 01 Aug 2011 07:35:48 -0700 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx> |
| Delivery-date: | Mon, 01 Aug 2011 07:36:33 -0700 |
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| Thread-topic: | [Xen-devel] [PATCH 2/6] xen/hvm kexec: unregister shutdown+sysrq watches during reboot |
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On 01/08/2011 06:01, "Olaf Hering" <olaf@xxxxxxxxx> wrote: >> Hmm, no. Attached patch would be safer, give it a try. >> >> And note that it is *dangerous* to reset the domain xenstore connection if >> there could be any other concurrent activity on the connection that could >> confuse the guest kernel. So doing the reset during kernel bringup might be >> safest, there you can do it in the kernel before the whole xenbus subsystem >> is fully up. > > I sent a different xenstored patch which takes DOMID_SELF into account. Saw it, I'll give it a think over. I think it looks okay, I wonder whether DOMID_SELF handling should be pushed into find_domain_by_domid, but it's a minor detail really. I certainly support the approach. Hopefully we can get someone to similarly modify ocaml/xenstored too. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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