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From: Andrew Morton <andrewm@uow.edu.au>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Pavel Machek <pavel@suse.cz>,
	Tom Eastep <teastep@seattlefirewall.dyndns.org>,
	"Michael B. Trausch" <fd0man@crosswinds.net>,
	Josh Myer <jbm@joshisanerd.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [OT] Major Clock Drift
Date: Sun, 11 Feb 2001 22:29:38 +0000	[thread overview]
Message-ID: <3A871252.45974FFF@uow.edu.au> (raw)
In-Reply-To: <E14Rzyc-0004SB-00@the-village.bc.nu>

Alan Cox wrote:
> 
> > Hmm, I can make it loose 30 seconds in 12 seconds. Just cat
> > /etc/termcap. Vesafb does this kind of stuff. [Yes, 3 times slower
> > clock].
> 
> Why are interrupts being disabled for vesafb scrolling anyway ?

Console writes happen under spin_lock_irq(console_lock).

The only reason for this which I can see: the kernel
can call printk() from interrupt context.
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  reply	other threads:[~2001-02-11 22:31 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-02-04  4:32 [OT] Major Clock Drift Josh Myer
2001-02-04  4:42 ` Manfred Bartz
2001-02-04 12:56 ` Michael B. Trausch
2001-02-04 15:18   ` Steve Underwood
2001-02-04 15:31   ` Hacksaw
2001-02-04 23:46     ` Alan Chandler
2001-02-04 17:18   ` Tom Eastep
2001-02-04 18:04     ` Hacksaw
2001-02-04 18:07       ` Tom Eastep
2001-02-05 13:25       ` Andrew Morton
2001-02-10 21:58         ` Pavel Machek
2001-02-11 11:05           ` Andrew Morton
2001-02-11 11:06             ` Pavel Machek
2001-02-11 11:47               ` Andrew Morton
2001-02-11 12:14               ` Peter Horton
2001-02-11 13:52             ` Chris Wedgwood
2001-02-05  1:18     ` Michael B. Trausch
2001-02-13  3:00       ` george anzinger
2001-02-13  6:51         ` Josh Myer
2001-02-10 21:58     ` [OT] " Pavel Machek
2001-02-11 17:07       ` Alan Cox
2001-02-11 22:29         ` Andrew Morton [this message]
2001-02-12  9:48           ` Alan Cox
2001-02-12 10:05             ` Andi Kleen
2001-02-12 10:10               ` Alan Cox
2001-02-12 12:14                 ` James Sutherland
2001-02-12 10:32             ` Pavel Machek
2001-02-12 10:36               ` Alan Cox
2001-02-12 11:38                 ` Andrew Morton
2001-02-13  7:24                   ` Abramo Bagnara
2001-02-10 21:55 ` Pavel Machek

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