From: Keir Fraser <keir.xen@gmail.com>
To: Ian Campbell <Ian.Campbell@citrix.com>, Olaf Hering <olaf@aepfle.de>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Jan Beulich <JBeulich@novell.com>
Subject: Re: [PATCH 2/6] xen/hvm kexec: unregister shutdown+sysrq watches during reboot
Date: Thu, 28 Jul 2011 12:00:34 +0100 [thread overview]
Message-ID: <CA56FFE2.1EAF6%keir.xen@gmail.com> (raw)
In-Reply-To: <1311850379.24408.119.camel@cthulhu.hellion.org.uk>
On 28/07/2011 11:52, "Ian Campbell" <Ian.Campbell@citrix.com> wrote:
>> And what about the event/irq handling? There is currently no way
>> to check what virq is bound to what port, other than looping through all
>> possible ports and see if one matches the requested virq.
>
> There is EVTCHNOP_reset but I'm not sure if it does too much. For
> example I'm not sure how the guest could recover event channels which
> are setup by the domain builder -- such as the xenstore event channel.
EVTCHNOP_reset is currently only called from the toolstack, which is then
able to re-setup things like the xenstore event channel for the guest.
-- Keir
next prev parent reply other threads:[~2011-07-28 11:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 23:13 [PATCH 2/6] xen/hvm kexec: unregister shutdown+sysrq watches during reboot Jan Beulich
2011-07-28 5:25 ` Olaf Hering
2011-07-28 10:52 ` Ian Campbell
2011-07-28 11:00 ` Keir Fraser [this message]
2011-07-28 12:52 ` Ian Campbell
2011-07-28 11:02 ` Olaf Hering
2011-07-28 12:56 ` Ian Campbell
2011-07-28 14:07 ` Olaf Hering
2011-07-28 14:13 ` Keir Fraser
2011-07-28 19:50 ` Olaf Hering
2011-07-28 20:30 ` Keir Fraser
2011-08-01 13:01 ` Olaf Hering
2011-08-01 14:35 ` Keir Fraser
2011-07-28 16:09 ` Jan Beulich
2011-07-28 11:37 ` Stefano Stabellini
-- strict thread matches above, loose matches on Subject: below --
2011-07-26 11:52 [PATCH 0/6] misc changes for kexec in pv-on-hvm guests Olaf Hering
2011-07-26 11:52 ` [PATCH 2/6] xen/hvm kexec: unregister shutdown+sysrq watches during reboot Olaf Hering
2011-07-26 14:17 ` Konrad Rzeszutek Wilk
2011-07-26 14:28 ` Olaf Hering
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