From: Paolo Bonzini <pbonzini@redhat.com>
To: "Gabriel L. Somlo" <somlo@cmu.edu>
Cc: qemu-devel@nongnu.org, lersek@redhat.com,
Gerd Hoffmann <kraxel@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] fw cfg files cross-version migration races
Date: Mon, 08 Jun 2015 14:28:28 +0200 [thread overview]
Message-ID: <55758A6C.9070005@redhat.com> (raw)
In-Reply-To: <20150608122355.GB32650@HEDWIG.INI.CMU.EDU>
On 08/06/2015 14:23, Gabriel L. Somlo wrote:
> I'm wonderingjust when exactly to start sorting items in fw_cfg ?
>
> Different machine types insert different blobs at various points
> during their initialization (and possibly on-demand during hot-plug
> events, I'm not 100% sure).
Hotplug may modify contents (I don't think it does), but it shouldn't
add files.
> So when exactly can we know that "we now have everything, it's time to
> start sorting" ?
There is a machine_ready callback.
> I'm also assuming this applies to named (file) entries only, and the
> unnamed entries (with "indices" in the "table" < FW_CFG_FILE_DIR) will
> not have to be sorted.
Yes.
Paolo
next prev parent reply other threads:[~2015-06-08 12:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-01 14:10 [Qemu-devel] fw cfg files cross-version migration races Michael S. Tsirkin
2015-06-01 14:13 ` Daniel P. Berrange
2015-06-01 15:32 ` Gabriel L. Somlo
2015-06-01 15:44 ` Michael S. Tsirkin
2015-06-01 18:00 ` Gabriel L. Somlo
2015-06-01 20:31 ` Gabriel L. Somlo
2015-06-02 7:04 ` Laszlo Ersek
2015-06-02 7:11 ` Gerd Hoffmann
2015-06-03 8:31 ` Paolo Bonzini
2015-06-03 16:03 ` Michael S. Tsirkin
2015-06-05 16:05 ` Gabriel L. Somlo
2015-06-08 7:21 ` Gerd Hoffmann
2015-06-08 9:43 ` Michael S. Tsirkin
2015-06-08 11:19 ` Gerd Hoffmann
2015-06-08 11:44 ` Paolo Bonzini
2015-06-08 12:23 ` Gabriel L. Somlo
2015-06-08 12:28 ` Paolo Bonzini [this message]
2015-06-08 12:33 ` Gerd Hoffmann
2015-06-08 13:32 ` Gabriel L. Somlo
2015-06-08 15:53 ` Michael S. Tsirkin
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