From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Gabriel L. Somlo" <gsomlo@gmail.com>
Cc: matt.fleming@intel.com, gleb@cloudius-systems.com,
qemu-devel@nongnu.org, jordan.l.justen@intel.com,
"Gabriel L. Somlo" <somlo@cmu.edu>,
mdroth@linux.vnet.ibm.com, rjones@redhat.com, kraxel@redhat.com,
imammedo@redhat.com, pbonzini@redhat.com,
Laszlo Ersek <lersek@redhat.com>
Subject: Re: [Qemu-devel] RFC: guest-side retrieval of fw_cfg file
Date: Wed, 15 Jul 2015 17:08:27 +0300 [thread overview]
Message-ID: <20150715140827.GA16096@redhat.com> (raw)
In-Reply-To: <20150713200936.GK1606@HEDWIG.INI.CMU.EDU>
On Mon, Jul 13, 2015 at 04:09:37PM -0400, Gabriel L. Somlo wrote:
> Hi,
>
> A while ago I was pondering on the options available for retrieving
> a fw_cfg blob from the guest-side (now that we can insert fw_cfg
> files on the host-side command line, see commit 81b2b8106).
>
> So over the last couple of weekends I cooked up the sysfs kernel module
> below, which lists all fw_cfg files under /sys/firmware/fw_cfg/<filename>.
One concern here is that there will be a conflict here if fw cfg
is used by ACPI. I don't know whether that last is a good idea
though, so maybe not a real concern. I think Igor
wanted to make it so.
--
MST
next prev parent reply other threads:[~2015-07-15 14:08 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-13 20:09 [Qemu-devel] RFC: guest-side retrieval of fw_cfg file Gabriel L. Somlo
2015-07-13 23:03 ` Eric Blake
2015-07-14 17:00 ` Gabriel L. Somlo
2015-07-15 11:06 ` Matt Fleming
2015-07-15 11:15 ` Laszlo Ersek
2015-07-14 9:43 ` Richard W.M. Jones
2015-07-14 18:23 ` Gabriel L. Somlo
2015-07-14 18:31 ` Gabriel L. Somlo
2015-07-14 18:48 ` Richard W.M. Jones
2015-07-14 18:51 ` Richard W.M. Jones
2015-07-14 19:16 ` Peter Maydell
2015-07-14 19:24 ` Gabriel L. Somlo
2015-07-14 19:24 ` Gerd Hoffmann
2015-07-16 0:43 ` Gabriel L. Somlo
2015-07-16 19:27 ` Eric Blake
2015-07-16 20:42 ` Gabriel L. Somlo
2015-07-14 11:38 ` Laszlo Ersek
2015-07-15 12:00 ` Matt Fleming
2015-07-20 21:19 ` Gabriel L. Somlo
2015-07-20 22:07 ` Laszlo Ersek
2015-07-25 23:21 ` Gabriel L. Somlo
2015-07-26 9:37 ` Laszlo Ersek
2015-07-15 14:08 ` Michael S. Tsirkin [this message]
2015-07-15 16:01 ` Igor Mammedov
2015-07-15 16:24 ` Michael S. Tsirkin
2015-07-16 1:21 ` Gabriel L. Somlo
2015-07-16 6:57 ` Igor Mammedov
2015-07-16 7:30 ` Michael S. Tsirkin
2015-07-16 9:50 ` Igor Mammedov
2015-07-16 10:25 ` Michael S. Tsirkin
2015-07-16 11:15 ` Igor Mammedov
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