From: Andrew Morton <akpm@osdl.org>
To: Matthew Wilcox <willy@debian.org>
Cc: ak@suse.de, linux-arch@vger.kernel.org, carlos@baldric.uwo.ca
Subject: Re: compat-signal-noarch-2004-01-29.patch again
Date: Sat, 20 Mar 2004 12:20:48 -0800 [thread overview]
Message-ID: <20040320122048.70db9888.akpm@osdl.org> (raw)
In-Reply-To: <20040320133634.GU25059@parcelfarce.linux.theplanet.co.uk>
Matthew Wilcox <willy@debian.org> wrote:
>
> On Sat, Mar 20, 2004 at 05:57:53AM +0100, Andi Kleen wrote:
> > No. The problem is not in a particular implementation of this for a specific
> > architecture, but in the generic design - it is the wrong direction and will
> > cause hard to fix later design problems.
>
> You're wrong. Just accept this patch.
I can sort-of-see Andi's worry.
The issue appears to be that at some time in the future he will have 64-bit
applications using the 32-bit API without PER_LINUX32 set. So the proposed
is_compat_task() is meaningless in this context - hence Andi doesn't want
is_compat_task() propagated around the place.
This begs the question of how his kernel correctly handle these
pseudo-32-bit tasks.
next prev parent reply other threads:[~2004-03-20 20:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-20 5:49 compat-signal-noarch-2004-01-29.patch again Andrew Morton
2004-03-20 4:15 ` Andi Kleen
2004-03-20 6:37 ` Andrew Morton
2004-03-20 4:57 ` Andi Kleen
2004-03-20 7:42 ` Andrew Morton
2004-03-20 13:36 ` Matthew Wilcox
2004-03-20 20:20 ` Andrew Morton [this message]
2004-03-20 20:29 ` Matthew Wilcox
2004-03-20 20:31 ` James Bottomley
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