From: Olaf Hering <olaf@aepfle.de>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Wei Liu <wei.liu2@citrix.com>, Andrew Jones <drjones@redhat.com>,
Keir Fraser <keir@xen.org>,
Ian Campbell <ian.campbell@citrix.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
David Vrabel <david.vrabel@citrix.com>,
Jan Beulich <jbeulich@suse.com>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec
Date: Thu, 4 Dec 2014 12:17:15 +0100 [thread overview]
Message-ID: <20141204111715.GA15916@aepfle.de> (raw)
In-Reply-To: <1417626981-8432-1-git-send-email-vkuznets@redhat.com>
On Wed, Dec 03, Vitaly Kuznetsov wrote:
> Original description:
>
> When a PVHVM linux guest performs kexec there are lots of things which
> require taking care of:
> - shared info, vcpu_info
> - grants
> - event channels
> - ...
> Instead of taking care of all these things we can rebuild the domain
> performing kexec from scratch doing so-called soft-reboot.
>
> The idea was suggested by David Vrabel, Jan Beulich, and Konrad Rzeszutek Wilk.
>
> P.S. The patch series can be tested with PVHVM Linux guest with the following
> modifications:
Its not clear to me how thew old kernel starts the new kernel.
How and where is that done?
Olaf
next prev parent reply other threads:[~2014-12-04 11:17 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-03 17:16 [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 1/9] xen: introduce DOMDYING_locked state Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 2/9] xen: introduce SHUTDOWN_soft_reset shutdown reason Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 3/9] libxl: support " Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 4/9] xen: introduce XEN_DOMCTL_devour Vitaly Kuznetsov
2014-12-04 0:50 ` Julien Grall
2014-12-04 10:19 ` David Vrabel
2014-12-04 10:52 ` Julien Grall
2014-12-04 15:12 ` Vitaly Kuznetsov
2014-12-04 15:54 ` Julien Grall
2014-12-04 11:01 ` Julien Grall
2014-12-04 14:48 ` Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 5/9] libxc: support XEN_DOMCTL_devour Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 6/9] libxl: add libxl__domain_soft_reset_destroy_old() Vitaly Kuznetsov
2014-12-04 16:20 ` Wei Liu
2014-12-03 17:16 ` [PATCH v4 7/9] libxc: introduce soft reset for HVM domains Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 8/9] libxl: soft reset support Vitaly Kuznetsov
2014-12-04 16:01 ` Wei Liu
2014-12-05 10:45 ` Vitaly Kuznetsov
2014-12-03 17:16 ` [PATCH v4 9/9] xsm: add XEN_DOMCTL_devour support Vitaly Kuznetsov
2014-12-04 11:17 ` Olaf Hering [this message]
2014-12-04 14:29 ` [PATCH v4 0/9] toolstack-based approach to pvhvm guest kexec Vitaly Kuznetsov
2014-12-04 11:55 ` Wei Liu
2014-12-04 14:46 ` Vitaly Kuznetsov
2014-12-04 15:08 ` Wei Liu
2014-12-11 14:24 ` Olaf Hering
2014-12-11 15:24 ` David Vrabel
2014-12-11 15:30 ` Olaf Hering
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