From: Gleb Natapov <gleb@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Gerd Hoffmann <kraxel@redhat.com>, qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [SeaBIOS] [PATCH 0/8] option rom loading overhaul.
Date: Mon, 21 Dec 2009 09:40:47 +0200 [thread overview]
Message-ID: <20091221074047.GT4490@redhat.com> (raw)
In-Reply-To: <4B2E6364.9060903@codemonkey.ws>
On Sun, Dec 20, 2009 at 11:48:20AM -0600, Anthony Liguori wrote:
> >system_reset _is_ hard shutdown/start-up. If it is not it is a bug, we
> >just arguing if the same applies for the case that migration was done
> >between boot and reset.
>
> It's not and it will never be completely.
There are always bugs left. As long as we agree on what is right that is
OK.
> By this logic, we should
> close the file descriptors for the block devices and try to reopen
> them. It's certainly possible that someone does a mv of the block
> device and replaces it under the covers.
What is the analogue in real HW? BTW it is not a bad idea to get
notification when disk file has changed and issue "change device"
automatically.
>
> Likewise, if a user upgrades the firmware independently of the qemu
> version, it would need to reread the firmware from disk each boot.
>
That's the idea. Qemu should reread firmware from disk on each hard reset.
--
Gleb.
next prev parent reply other threads:[~2009-12-21 7:41 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-18 11:01 [Qemu-devel] [PATCH 0/8] option rom loading overhaul Gerd Hoffmann
2009-12-18 11:01 ` [Qemu-devel] [PATCH 1/8] Support PCI based option rom loading Gerd Hoffmann
2009-12-19 10:57 ` Blue Swirl
2009-12-20 15:34 ` Anthony Liguori
2009-12-20 17:02 ` Blue Swirl
2009-12-20 17:18 ` Alexander Graf
2009-12-20 17:55 ` Anthony Liguori
2009-12-20 18:01 ` Alexander Graf
2009-12-20 18:24 ` Andreas Färber
2009-12-20 18:53 ` Blue Swirl
2009-12-20 21:24 ` Benjamin Herrenschmidt
2009-12-20 21:23 ` Benjamin Herrenschmidt
2009-12-18 11:01 ` [Qemu-devel] [PATCH 2/8] pci romfiles: add property, add default to PCIDeviceInfo Gerd Hoffmann
2010-01-11 21:18 ` [Qemu-devel] [RFC] New naming rules for GPXE romfiles Stefan Weil
2010-01-11 21:34 ` Anthony Liguori
2010-01-12 10:23 ` Kevin Wolf
2009-12-18 11:01 ` [Qemu-devel] [PATCH 3/8] fw_cfg: make calls typesafe Gerd Hoffmann
2009-12-18 11:01 ` [Qemu-devel] [PATCH 4/8] fw_cfg: add API for file transfer Gerd Hoffmann
2009-12-19 12:06 ` Blue Swirl
2009-12-20 8:42 ` [Qemu-devel] Re: [SeaBIOS] " Gleb Natapov
2009-12-18 11:01 ` [Qemu-devel] [PATCH 5/8] roms: use new fw_cfg file xfer support Gerd Hoffmann
2009-12-20 8:45 ` [Qemu-devel] Re: [SeaBIOS] " Gleb Natapov
2009-12-18 11:01 ` [Qemu-devel] [PATCH 6/8] roms: remove option rom packing logic Gerd Hoffmann
2009-12-18 11:01 ` [Qemu-devel] [PATCH 7/8] updated seabios binary for testing convinience Gerd Hoffmann
2009-12-18 11:01 ` [Qemu-devel] [PATCH 8/8] debug: enable bios messages Gerd Hoffmann
2009-12-18 14:35 ` [Qemu-devel] Re: [SeaBIOS] [PATCH 0/8] option rom loading overhaul Anthony Liguori
2009-12-18 16:34 ` Gerd Hoffmann
2009-12-18 16:42 ` Anthony Liguori
2009-12-18 17:03 ` Gerd Hoffmann
2009-12-18 17:12 ` Anthony Liguori
2009-12-19 1:48 ` Kevin O'Connor
2009-12-19 3:07 ` Anthony Liguori
2009-12-18 17:14 ` Anthony Liguori
2009-12-18 18:04 ` Gerd Hoffmann
2009-12-18 19:41 ` Sebastian Herbszt
2009-12-18 19:53 ` Anthony Liguori
2009-12-18 20:10 ` Sebastian Herbszt
2009-12-20 8:38 ` Gleb Natapov
2009-12-20 14:43 ` Anthony Liguori
2009-12-20 14:52 ` Gleb Natapov
2009-12-20 14:58 ` Anthony Liguori
2009-12-20 15:07 ` Gleb Natapov
2009-12-20 15:11 ` Anthony Liguori
2009-12-20 15:20 ` Avi Kivity
2009-12-20 15:31 ` Anthony Liguori
2009-12-20 15:35 ` Avi Kivity
2009-12-22 13:04 ` Paul Brook
2009-12-22 13:09 ` Avi Kivity
2009-12-22 15:11 ` Anthony Liguori
2009-12-22 15:54 ` Paul Brook
2009-12-22 16:16 ` Anthony Liguori
2009-12-20 15:23 ` Gleb Natapov
2009-12-20 15:28 ` Anthony Liguori
2009-12-20 15:33 ` Gleb Natapov
2009-12-20 15:39 ` Anthony Liguori
2009-12-20 15:52 ` Gleb Natapov
2009-12-20 16:08 ` Blue Swirl
2009-12-20 16:15 ` Gleb Natapov
2009-12-20 16:23 ` Blue Swirl
2009-12-20 17:48 ` Anthony Liguori
2009-12-21 1:59 ` Kevin O'Connor
2009-12-21 7:32 ` Gleb Natapov
2009-12-21 16:40 ` Anthony Liguori
2009-12-21 16:43 ` Gleb Natapov
2009-12-21 17:26 ` Anthony Liguori
2009-12-21 17:43 ` Gleb Natapov
2009-12-21 18:24 ` [Qemu-devel] Re: Re: [SeaBIOS] [PATCH 0/8] option rom loadingoverhaul Sebastian Herbszt
2009-12-21 18:36 ` Gleb Natapov
2009-12-21 19:28 ` Sebastian Herbszt
2009-12-21 19:57 ` Gleb Natapov
2009-12-21 19:17 ` [Qemu-devel] " Anthony Liguori
2009-12-21 19:39 ` Sebastian Herbszt
2009-12-21 19:53 ` Gleb Natapov
2009-12-21 20:16 ` Sebastian Herbszt
2009-12-22 7:58 ` Gleb Natapov
2009-12-22 14:57 ` Anthony Liguori
2009-12-21 19:48 ` Gleb Natapov
2009-12-21 19:13 ` [Qemu-devel] Re: [SeaBIOS] [PATCH 0/8] option rom loading overhaul Anthony Liguori
2009-12-21 19:43 ` Gleb Natapov
2009-12-21 23:54 ` Anthony Liguori
2009-12-22 20:50 ` [Qemu-devel] Re: Re: [SeaBIOS] [PATCH 0/8] option rom loadingoverhaul Sebastian Herbszt
2009-12-21 7:40 ` Gleb Natapov [this message]
2009-12-21 17:27 ` [Qemu-devel] Re: [SeaBIOS] [PATCH 0/8] option rom loading overhaul Michael S. Tsirkin
2010-01-12 4:48 ` Jamie Lokier
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