From: Avi Kivity <avi@redhat.com>
To: Liu Ping Fan <kernelfans@gmail.com>
Cc: aliguori@us.ibm.com, kvm@vger.kernel.org, qemu-devel@nongnu.org,
linux-kernel@vger.kernel.org, ryanh@us.ibm.com,
jan.kiszka@web.de
Subject: Re: [Qemu-devel] [PATCH 2/2] kvm: exit to userspace with reason KVM_EXIT_VCPU_DEAD
Date: Sun, 27 Nov 2011 12:36:55 +0200 [thread overview]
Message-ID: <4ED212C7.1080901@redhat.com> (raw)
In-Reply-To: <1322361735-21428-1-git-send-email-kernelfans@gmail.com>
On 11/27/2011 04:42 AM, Liu Ping Fan wrote:
> From: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
>
> The vcpu can be safely released when
> --1.guest tells us that the vcpu is not needed any longer.
> --2.vcpu hits the last instruction _halt_
>
> If both of the conditions are satisfied, kvm exits to userspace
> with the reason vcpu dead. So the user thread can exit safely.
>
>
Seems to be completely unnecessary. If you want to exit from the vcpu
thread, send it a signal.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-11-27 10:37 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-25 2:35 [Qemu-devel] [PATCH 0] A series patches for kvm&qemu to enable vcpu destruction in kvm Liu Ping Fan
2011-11-25 2:35 ` [Qemu-devel] [PATCH 1/2] kvm: make vcpu life cycle separated from kvm instance Liu Ping Fan
2011-11-27 10:36 ` Avi Kivity
2011-11-25 17:54 ` [Qemu-devel] [PATCH 0] A series patches for kvm&qemu to enable vcpu destruction in kvm Jan Kiszka
2011-11-27 3:07 ` Liu ping fan
2011-11-27 2:42 ` [Qemu-devel] [PATCH 2/2] kvm: exit to userspace with reason KVM_EXIT_VCPU_DEAD Liu Ping Fan
2011-11-27 10:36 ` Avi Kivity [this message]
2011-11-27 10:50 ` Gleb Natapov
2011-11-28 7:16 ` Liu ping fan
2011-11-28 8:46 ` Gleb Natapov
2011-11-27 2:45 ` [Qemu-devel] [PATCH 1/5] QEMU Add cpu_phyid_to_cpu() to map cpu phyid to CPUState Liu Ping Fan
2011-11-27 2:45 ` [Qemu-devel] [PATCH 2/5] QEMU Add cpu_free() to support arch related CPUState release Liu Ping Fan
2011-11-27 2:45 ` [Qemu-devel] [PATCH 3/5] QEMU Introduce a pci device "cpustate" to get CPU_DEAD event in guest Liu Ping Fan
2011-11-27 10:56 ` Gleb Natapov
2011-11-27 2:45 ` [Qemu-devel] [PATCH 4/5] QEMU Release vcpu and finally exit vcpu thread safely Liu Ping Fan
2011-11-29 5:37 ` ShaoHe Feng
2011-11-27 2:45 ` [Qemu-devel] [PATCH 5/5] QEMU tmp patches for linux-header files Liu Ping Fan
2011-11-27 2:47 ` [Qemu-devel] [PATCH] virtio: add a pci driver to notify host the CPU_DEAD event Liu Ping Fan
2011-11-27 11:10 ` Gleb Natapov
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=4ED212C7.1080901@redhat.com \
--to=avi@redhat.com \
--cc=aliguori@us.ibm.com \
--cc=jan.kiszka@web.de \
--cc=kernelfans@gmail.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=qemu-devel@nongnu.org \
--cc=ryanh@us.ibm.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).