From: Matthew Wilcox <willy@debian.org>
To: Grant Grundler <grundler@dsl2.external.hp.com>
Cc: Matthew Wilcox <willy@debian.org>,
Randolph Chung <tausq@debian.org>,
John David Anglin <dave@hiauly1.hia.nrc.ca>,
carlos@baldric.uwo.ca, parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] Re: Trap handler
Date: Mon, 9 Dec 2002 18:20:33 +0000 [thread overview]
Message-ID: <20021209182033.L20336@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20021209180316.GA6635@dsl2.external.hp.com>; from grundler@dsl2.external.hp.com on Mon, Dec 09, 2002 at 11:03:16AM -0700
On Mon, Dec 09, 2002 at 11:03:16AM -0700, Grant Grundler wrote:
> > Judging from the use of cli & sti in the x86 asm, I would venture to
> > suggest that the I bit should be cleared. It makes sense anyway --
> > you can't expect interrupts to be disabled over a page fault.
>
> The above two statements don't make sense to me.
> Clearing I-bit (ie rsm) will disable interrupts.
> The second sentence suggests the opposite.
> Or did I read it wrong?
i misremembered the sense of the I bit
--
"It's not Hollywood. War is real, war is primarily not about defeat or
victory, it is about death. I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
next prev parent reply other threads:[~2002-12-09 18:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20021208232601.GH21187@tausq.org>
2002-12-08 23:55 ` [parisc-linux] Re: Trap handler John David Anglin
2002-12-09 5:12 ` Randolph Chung
2002-12-09 6:19 ` Randolph Chung
2002-12-09 12:54 ` Matthew Wilcox
2002-12-09 18:03 ` Grant Grundler
2002-12-09 18:20 ` Matthew Wilcox [this message]
2002-12-09 18:41 ` Grant Grundler
2002-12-09 18:55 ` Matthew Wilcox
2002-12-09 16:18 ` John David Anglin
2002-12-09 16:31 ` John David Anglin
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