linux-kernel - Re: [PATCH] i386/x86_64 signal handler arg fixes

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Message-ID: <787b0d920609140801r452ff7d7vdc2d96865836eefc@mail.gmail.com>
Date:	Thu, 14 Sep 2006 11:01:46 -0400
From:	"Albert Cahalan" <acahalan@...il.com>
To:	"Andi Kleen" <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org, "Andrew Morton" <akpm@...l.org>,
	"Linus Torvalds" <torvalds@...l.org>, hpa@...or.com
Subject: Re: [PATCH] i386/x86_64 signal handler arg fixes

On 9/14/06, Andi Kleen <ak@...e.de> wrote:
> On Thursday 14 September 2006 10:34, Albert Cahalan wrote:
>
> > For i386, the non-RT frame is wrong. It was using the raw sig value
> > instead of the translated value, and did not pass the semi-documented
> > extra parameters.
>
> The translation is not needed because x86-64 doesn't support iBCS at all
> and afaik it was only used for that.

I figured, but you already have part of the code it seems.
(messing around with current_thread_info()->exec_domain
to get ->signal_invmap)

I guess that should be deleted then?

Currently you remap signals. Whatever you do this for
regparm(0) should also be done for regparm(3).
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