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From: Gleb Natapov <gleb@redhat.com>
To: qemu-devel@nongnu.org
Cc: Paul Brook <paul@codesourcery.com>,
	kvm developers <kvm@vger.kernel.org>,
	Blue Swirl <blauwirbel@gmail.com>,
	bochs developers <bochs-developers@lists.sourceforge.net>
Subject: Re: [Qemu-devel] [PATCH 0/3] Add BIOS splash image support
Date: Wed, 17 Dec 2008 15:55:12 +0200	[thread overview]
Message-ID: <20081217135512.GJ13794@redhat.com> (raw)
In-Reply-To: <49490282.3080800@siemens.com>

On Wed, Dec 17, 2008 at 02:45:38PM +0100, Jan Kiszka wrote:
> Paul Brook wrote:
> >>> Modern BIOSes have splash screens.  I don't see why our BIOS shouldn't
> >>> have one too.
> >> Crap PC BIOSes have splash screens because they're horribly slow
> >> and otherwise printing lots of irrelevant scary junk at users. The
> >> best BIOS 'splash' screen is one which never appears unless there
> >> is a boot failure, and gets control to the OS as quickly as possible.
> >> IMHO a better goal is reducing the time until the OS / bootloader is
> >> able to take over all management of the display.
> > 
> > I agree. The qemu bios init process takes almost no time.
> > 
> > The only reason it takes a noticeable amount of time is that we have a 
> > deliberate delay in there to allow the user to access the boot menu.
> > I'm not convinced this menu is actually very useful in practice, It's 
> > something that should probably be delegated to your management utility and/or 
> > be optional.
> 
> Yes, please. I hate this artificial delay, specifically as I have to do
> a lot of short boot tests where this contributes noticeably to their
> execution time. But, as usual, it didn't hurt enough to make me hack a
> patch yet. I'm willing to do this if we can agree on how it should be done.
> 
Add "-bootmenu" option to qmeu and pass it to BIOS via fw confing interface?

--
			Gleb.

WARNING: multiple messages have this Message-ID (diff)
From: Gleb Natapov <gleb@redhat.com>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>,
	bochs developers <bochs-developers@lists.sourceforge.net>,
	Paul Brook <paul@codesourcery.com>,
	kvm developers <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] [PATCH 0/3] Add BIOS splash image support
Date: Wed, 17 Dec 2008 15:55:12 +0200	[thread overview]
Message-ID: <20081217135512.GJ13794@redhat.com> (raw)
In-Reply-To: <49490282.3080800@siemens.com>

On Wed, Dec 17, 2008 at 02:45:38PM +0100, Jan Kiszka wrote:
> Paul Brook wrote:
> >>> Modern BIOSes have splash screens.  I don't see why our BIOS shouldn't
> >>> have one too.
> >> Crap PC BIOSes have splash screens because they're horribly slow
> >> and otherwise printing lots of irrelevant scary junk at users. The
> >> best BIOS 'splash' screen is one which never appears unless there
> >> is a boot failure, and gets control to the OS as quickly as possible.
> >> IMHO a better goal is reducing the time until the OS / bootloader is
> >> able to take over all management of the display.
> > 
> > I agree. The qemu bios init process takes almost no time.
> > 
> > The only reason it takes a noticeable amount of time is that we have a 
> > deliberate delay in there to allow the user to access the boot menu.
> > I'm not convinced this menu is actually very useful in practice, It's 
> > something that should probably be delegated to your management utility and/or 
> > be optional.
> 
> Yes, please. I hate this artificial delay, specifically as I have to do
> a lot of short boot tests where this contributes noticeably to their
> execution time. But, as usual, it didn't hurt enough to make me hack a
> patch yet. I'm willing to do this if we can agree on how it should be done.
> 
Add "-bootmenu" option to qmeu and pass it to BIOS via fw confing interface?

--
			Gleb.

  reply	other threads:[~2008-12-17 13:56 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-16 15:20 [PATCH 0/3] Add BIOS splash image support Laurent Vivier
2008-12-16 15:20 ` [Qemu-devel] " Laurent Vivier
2008-12-16 15:20 ` [PATCH 1/3] Correct fw_cfg_add_callback() Laurent Vivier
2008-12-16 15:20   ` [Qemu-devel] " Laurent Vivier
2008-12-16 15:20   ` [PATCH 2/3] [BIOS] Add splash image support Laurent Vivier
2008-12-16 15:20     ` [Qemu-devel] " Laurent Vivier
2008-12-16 15:20     ` [PATCH 3/3] [QEMU] Add BIOS splash image Laurent Vivier
2008-12-16 15:20       ` [Qemu-devel] " Laurent Vivier
2008-12-16 15:33       ` Andreas Färber
2008-12-16 17:22         ` Laurent Vivier
2008-12-16 16:16       ` Blue Swirl
2008-12-16 16:16         ` Blue Swirl
2008-12-16 17:32         ` Laurent Vivier
2008-12-16 17:41           ` Blue Swirl
2008-12-16 17:58             ` Laurent Vivier
2008-12-16 20:06 ` [Qemu-devel] [PATCH 0/3] Add BIOS splash image support Blue Swirl
2008-12-16 20:06   ` Blue Swirl
2008-12-16 20:28   ` Anthony Liguori
2008-12-16 20:28     ` Anthony Liguori
2008-12-16 20:46     ` Blue Swirl
2008-12-16 20:46       ` Blue Swirl
2008-12-16 21:51       ` Laurent Vivier
2008-12-16 21:51         ` Laurent Vivier
2008-12-17  0:10         ` Carl-Daniel Hailfinger
2008-12-17  0:10           ` Carl-Daniel Hailfinger
2008-12-17 13:09           ` Laurent Vivier
2008-12-17 16:21             ` [Bochs-developers] " Carl-Daniel Hailfinger
2008-12-17 16:21               ` Carl-Daniel Hailfinger
2008-12-17 22:58           ` [Bochs-developers] [Qemu-devel] [PATCH 0/3] Add BIOS splashimage support Sebastian Herbszt
2008-12-17 22:58             ` Sebastian Herbszt
2008-12-17 11:03     ` [Qemu-devel] [PATCH 0/3] Add BIOS splash image support Daniel P. Berrange
2008-12-17 11:03       ` Daniel P. Berrange
2008-12-17 13:18       ` Paul Brook
2008-12-17 13:18         ` Paul Brook
2008-12-17 13:45         ` Jan Kiszka
2008-12-17 13:45           ` [Qemu-devel] " Jan Kiszka
2008-12-17 13:55           ` Gleb Natapov [this message]
2008-12-17 13:55             ` Gleb Natapov
2008-12-17 14:53             ` Jan Kiszka
2008-12-17 14:53               ` Jan Kiszka
2008-12-17 15:06               ` Jan Kiszka
2008-12-17 15:06                 ` Jan Kiszka
2008-12-17 15:17               ` Paul Brook
2008-12-17 15:17                 ` Paul Brook
2008-12-17 16:35                 ` Jan Kiszka
2008-12-17 16:35                   ` Jan Kiszka
2008-12-17 17:14                   ` Anthony Liguori
2008-12-17 17:14                     ` Anthony Liguori
2008-12-17 18:30                     ` Jan Kiszka
2008-12-17 18:30                       ` Jan Kiszka
2008-12-17 18:43                       ` Anthony Liguori
2008-12-17 18:43                         ` Anthony Liguori
2008-12-17 18:09                   ` Andreas Färber
2008-12-17 17:15                 ` Anthony Liguori
2008-12-17 17:15                   ` Anthony Liguori
2008-12-17 22:28                   ` Sebastian Herbszt
2008-12-17 22:28                     ` Sebastian Herbszt
2008-12-18  8:59                     ` Volker Ruppert
2008-12-18  8:59                       ` [Qemu-devel] " Volker Ruppert
2008-12-18 21:46                       ` H. Peter Anvin
2008-12-18 21:46                         ` H. Peter Anvin
2008-12-17 17:12             ` Carl-Daniel Hailfinger
2008-12-17 14:49           ` Gerd Hoffmann
2008-12-17 14:49             ` Gerd Hoffmann
2008-12-17 14:54             ` Jan Kiszka
2008-12-17 14:54               ` Jan Kiszka
2008-12-17 15:04               ` Kevin Wolf
2008-12-17 15:26                 ` Daniel P. Berrange
2008-12-17 16:44                   ` [Qemu-devel] " Jan Kiszka
2008-12-17 17:06                     ` Gildas
2008-12-17 17:22                       ` M. Warner Losh
2008-12-17 17:17                     ` Gleb Natapov
2008-12-17 18:01                       ` Anthony Liguori
2008-12-17 22:03                         ` [Qemu-devel] " Sebastian Herbszt
2008-12-17 22:09                           ` [Qemu-devel] " Anthony Liguori
2008-12-17 14:01         ` [Qemu-devel] " Daniel P. Berrange
2008-12-17 14:01           ` Daniel P. Berrange
2008-12-17 13:51   ` Kevin O'Connor
2008-12-17 13:51     ` Kevin O'Connor
2008-12-17 21:58 ` [Bochs-developers] " Sebastian Herbszt
2008-12-17 21:58   ` [Qemu-devel] " Sebastian Herbszt
2008-12-17 23:24   ` Laurent Vivier
2008-12-17 23:24     ` [Qemu-devel] " Laurent Vivier

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