From: Ralf Baechle <ralf@linux-mips.org>
To: Daniel Jacobowitz <dan@debian.org>
Cc: Chris Friesen <cfriesen@nortel.com>, linux-mips@linux-mips.org
Subject: Re: questions on struct sigcontext
Date: Wed, 12 Dec 2007 19:04:55 +0000 [thread overview]
Message-ID: <20071212190455.GB26190@linux-mips.org> (raw)
In-Reply-To: <20071212190032.GA30506@caradoc.them.org>
On Wed, Dec 12, 2007 at 02:00:32PM -0500, Daniel Jacobowitz wrote:
> There used to be slots for badvaddr and cause. You'll have to ask
> Ralf why he decided to clobber them for DSP state, I don't remember
> :-) I suspect they may never have held useful information for you;
> we don't context switch them for userspace, so an intervening fault
> in kernel space or in another thread could change them.
Correct, we never filled badvaddr and cause, so it was easy to recycle
those fields.
Ralf
next prev parent reply other threads:[~2007-12-12 19:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-12 17:44 questions on struct sigcontext Chris Friesen
2007-12-12 18:12 ` David Daney
2007-12-12 18:34 ` Chris Friesen
2007-12-12 18:44 ` David Daney
2007-12-12 18:57 ` Ralf Baechle
2007-12-12 19:00 ` Daniel Jacobowitz
2007-12-12 19:04 ` Ralf Baechle [this message]
2007-12-12 23:47 ` Chris Friesen
2007-12-13 0:06 ` David Daney
2007-12-13 15:36 ` Daniel Jacobowitz
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