public inbox for kvm@vger.kernel.org
 help / color / mirror / Atom feed
From: "Andi Kleen" <andi@firstfloor.org>
To: "Marcelo Tosatti" <mtosatti@redhat.com>
Cc: "Huang Ying" <ying.huang@intel.com>,
	"Avi Kivity" <avi@redhat.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Andi Kleen" <andi@firstfloor.org>,
	"Dean Nelson" <dnelson@redhat.com>
Subject: Re: QEMU, MCE, unpoison memory address across reboot
Date: Thu, 23 Dec 2010 17:57:38 +0100	[thread overview]
Message-ID: <52d07d8d86a3db0c8a72bde2cd06307d.squirrel@www.firstfloor.org> (raw)
In-Reply-To: <20101223142803.GD17819@amt.cnet>


> Can't you free and reallocate all guest memory instead, on reboot, if
> there's a hwpoisoned page? Then you don't need this interface.

I think that would be more efficient. You can potentially save a lot
of memory if the new guest doesn't need as much as the old one.


-Andi


  reply	other threads:[~2010-12-23 16:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-22  2:52 QEMU, MCE, unpoison memory address across reboot Huang Ying
2010-12-23 14:28 ` Marcelo Tosatti
2010-12-23 16:57   ` Andi Kleen [this message]
2010-12-24  1:21     ` Huang Ying
2010-12-24  3:30   ` Huang Ying
2010-12-27 21:27     ` Marcelo Tosatti
2010-12-26 12:27   ` Avi Kivity
2010-12-27 21:27     ` Marcelo Tosatti
2010-12-28  6:18       ` Huang Ying
2010-12-28  8:11       ` Avi Kivity
2010-12-28  8:32         ` Huang Ying
2010-12-28  9:05           ` Avi Kivity
2010-12-28  8:27       ` Gleb Natapov
2010-12-28  8:35         ` Huang Ying
2010-12-28  9:06           ` Avi Kivity

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=52d07d8d86a3db0c8a72bde2cd06307d.squirrel@www.firstfloor.org \
    --to=andi@firstfloor.org \
    --cc=avi@redhat.com \
    --cc=dnelson@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=mtosatti@redhat.com \
    --cc=ying.huang@intel.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