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From: "H. Peter Anvin" <hpa@zytor.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Linus Torvalds <torvalds@osdl.org>, Andi Kleen <ak@suse.de>,
	Chuck Ebbert <76306.1226@compuserve.com>,
	Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org
Subject: Re: [patch] i386: early pagefault handler
Date: Wed, 05 Jul 2006 11:26:40 -0700	[thread overview]
Message-ID: <44AC0460.9060607@zytor.com> (raw)
In-Reply-To: <1152124139.6533.1.camel@localhost.localdomain>

Alan Cox wrote:
> Ar Mer, 2006-07-05 am 09:54 -0700, ysgrifennodd Linus Torvalds:
>> Anybody with that old a CPU will have learnt to to say "no-hlt" or 
>> whatever the kernel command line is, and we could probably retire the 
>> silly old hlt check (which I'm not even sure really ever worked).
> 
> The one specific case I know precisely details of was the Cyrix 5510. A
> hlt by the CPU on that chipset during an IDE DMA transfer hangs the
> system forever.
> 
> Its some years since I've even seen a 5510 and that check could be
> automated anyway

I think HLT for a die loop should be safe :)

	-hpa

  reply	other threads:[~2006-07-05 18:27 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-05 11:44 [patch] i386: early pagefault handler Chuck Ebbert
2006-07-05 11:47 ` Ingo Molnar
2006-07-05 13:10 ` Andi Kleen
2006-07-05 16:38   ` H. Peter Anvin
2006-07-05 16:54     ` Linus Torvalds
2006-07-05 18:28       ` Alan Cox
2006-07-05 18:26         ` H. Peter Anvin [this message]
2006-07-05 18:41         ` Linus Torvalds
2006-07-05 20:24 ` Linus Torvalds
2006-07-07  2:06 ` Daniel Phillips
2006-07-07  2:51   ` H. Peter Anvin

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