From: Kevin Wolf <kwolf@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: pbonzini@redhat.com, Jes.Sorensen@redhat.com,
qemu-devel@nongnu.org, quintela@redhat.com
Subject: [Qemu-devel] Re: [PATCH v4] floppy: save and restore DIR register
Date: Wed, 06 Apr 2011 17:22:20 +0200 [thread overview]
Message-ID: <4D9C852C.5010707@redhat.com> (raw)
In-Reply-To: <1302086071-15742-1-git-send-email-jasowang@redhat.com>
Am 06.04.2011 12:34, schrieb Jason Wang:
> We need to keep DIR register unchanged across migration, but currently it
> depends on the media_changed flags from block layer. Since we do not
> save/restore it and the bdrv_open() called in dest node may set the
> media_changed flag when trying to open floppy image, guest driver may think the
> floppy have changed after migration. To fix this, a new filed media_changed in
> FDrive strcutre was introduced in order to save and restore the it from block
> layer through pre_save/post_load callbacks.
>
> Signed-off-by: Jason Wang <jasowang@redhat.com>
Thanks, applied to the block branch.
Kevin
prev parent reply other threads:[~2011-04-06 15:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-06 10:34 [Qemu-devel] [PATCH v4] floppy: save and restore DIR register Jason Wang
2011-04-06 12:13 ` [Qemu-devel] " Juan Quintela
2011-04-06 12:33 ` Paolo Bonzini
2011-04-06 15:22 ` Kevin Wolf [this message]
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