From: Paolo Bonzini <pbonzini@redhat.com>
To: Michael Roth <mdroth@linux.vnet.ibm.com>
Cc: "Zhang, Yang Z" <yang.z.zhang@intel.com>,
qemu-devel@nongnu.org, Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 7/7] RTC: Allow to migrate from old QEMU
Date: Fri, 20 Jul 2012 21:02:51 +0200 [thread overview]
Message-ID: <5009AB5B.4030608@redhat.com> (raw)
In-Reply-To: <20120720173836.GD2941@illuin>
Il 20/07/2012 19:38, Michael Roth ha scritto:
>> > The new logic is compatible with old, and it should not block migration
>> > from old QEMU. However, the new version cannot migrate to the old one.
> Do we not plan to support 1.2 -> 1.1 with -M pc-1.1?
No, we don't. That's why in general subsections are preferred to
version bumps, as long as the subsection is sent rarely (to fix bugs) or
only for features that are never enabled in the old version. Actually I
think all of our subsections are of the former kind.
Paolo
next prev parent reply other threads:[~2012-07-20 19:31 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-20 10:53 [Qemu-devel] [PATCH 0/7] Remove periodic wakeup from RTC timer Paolo Bonzini
2012-07-20 10:53 ` [Qemu-devel] [PATCH 1/7] RTC: Remove the logic to update time format when DM bit changed Paolo Bonzini
2012-07-20 10:53 ` [Qemu-devel] [PATCH 2/7] RTC: Rename rtc_timer_update Paolo Bonzini
2012-07-20 10:53 ` [Qemu-devel] [PATCH 3/7] RTC: Update interrupt state when interrupts are masked/unmasked Paolo Bonzini
2012-07-20 10:53 ` [Qemu-devel] [PATCH 4/7] RTC: Update the RTC clock only when reading it Paolo Bonzini
2012-07-23 5:17 ` Juan Quintela
2012-07-23 7:19 ` Paolo Bonzini
2012-07-20 10:53 ` [Qemu-devel] [PATCH 5/7] RTC: Add divider reset support Paolo Bonzini
2012-07-20 10:53 ` [Qemu-devel] [PATCH 6/7] RTC: Do not fire timer periodically to catch next alarm Paolo Bonzini
2012-07-20 10:53 ` [Qemu-devel] [PATCH 7/7] RTC: Allow to migrate from old QEMU Paolo Bonzini
2012-07-20 17:38 ` Michael Roth
2012-07-20 19:02 ` Paolo Bonzini [this message]
2012-07-23 5:12 ` Juan Quintela
2012-07-23 7:30 ` Paolo Bonzini
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