From: Andi Kleen <ak@muc.de>
To: davidm@hpl.hp.com
Cc: Andi Kleen <ak@muc.de>, Stephen Rothwell <sfr@canb.auug.org.au>,
Linus <torvalds@transmeta.com>,
LKML <linux-kernel@vger.kernel.org>,
anton@samba.org, "David S. Miller" <davem@redhat.com>,
schwidefsky@de.ibm.com, ralf@gnu.org, willy@debian.org
Subject: Re: [PATCH] Start of compat32.h (again)
Date: Wed, 27 Nov 2002 10:01:13 +0100 [thread overview]
Message-ID: <20021127090113.GA5491@averell> (raw)
In-Reply-To: <15844.34389.396428.645047@napali.hpl.hp.com>
On Wed, Nov 27, 2002 at 09:46:13AM +0100, David Mosberger wrote:
> >>>>> On Wed, 27 Nov 2002 09:29:18 +0100, Andi Kleen <ak@muc.de> said:
>
> Andi> But the 32bit user space surely doesn't care about any garbage
> Andi> in the upper 32bits, no ?
>
> The user-space won't, but the kernel exit path might. Remember that
True. The signal return path checking for the 5xx errnos expects
them to be 64bit extended. I now even vaguely remember an obscure bug I once
saw on x86-64 with an 32bit application actually seeing ERESTARTSYS that might
just have been caused by such an issue.
Thanks for pointing that out.
-Andi
next prev parent reply other threads:[~2002-11-27 8:55 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-27 7:42 [PATCH] Start of compat32.h (again) Stephen Rothwell
2002-11-27 7:58 ` David S. Miller
2002-11-27 13:00 ` Stephen Rothwell
2002-11-28 5:27 ` David S. Miller
2002-11-27 18:51 ` Linus Torvalds
2002-11-28 5:34 ` David S. Miller
2002-11-27 8:00 ` David Mosberger
2002-11-27 8:06 ` David S. Miller
2002-11-27 8:29 ` Andi Kleen
2002-11-27 8:46 ` David Mosberger
2002-11-27 9:01 ` Andi Kleen [this message]
2002-11-27 9:57 ` David S. Miller
2002-11-27 17:10 ` David Mosberger
2002-11-28 5:29 ` David S. Miller
2002-11-27 12:49 ` Alan Cox
2002-11-30 20:34 ` Ralf Baechle
2002-11-27 17:18 ` Linus Torvalds
2002-11-28 5:22 ` Stephen Rothwell
2002-11-28 5:26 ` David S. Miller
2002-11-29 2:36 ` Stephen Rothwell
2002-12-01 18:54 ` Linus Torvalds
2002-12-02 4:46 ` David S. Miller
2002-12-02 4:57 ` Stephen Rothwell
2002-12-02 6:17 ` David S. Miller
2002-12-02 7:39 ` Richard Henderson
2002-12-02 7:44 ` David S. Miller
2002-12-02 7:59 ` Ralf Baechle
2002-12-02 8:01 ` David S. Miller
2002-12-04 11:22 ` Pavel Machek
2002-12-05 21:04 ` David S. Miller
2002-11-28 5:31 ` David S. Miller
2002-11-29 4:45 ` [PATCH] 32 bit consolidation 1/Many (was: [PATCH] Start of compat32.h (again)) Stephen Rothwell
2002-11-29 4:52 ` [PATCH] 32 bit consolidation 2/Many Stephen Rothwell
[not found] <Pine.LNX.4.44.0212011047440.12964-100000@home.transmeta.com.suse.lists.linux.kernel>
[not found] ` <1038804400.4411.4.camel@rth.ninka.net.suse.lists.linux.kernel>
2002-12-02 8:13 ` [PATCH] Start of compat32.h (again) Andi Kleen
2002-12-02 8:28 ` David S. Miller
2002-12-02 9:07 ` Andi Kleen
2002-12-02 9:36 ` Jakub Jelinek
2002-12-02 17:01 ` Mikael Pettersson
2002-12-02 10:16 ` David S. Miller
2002-12-04 11:19 ` Pavel Machek
2002-12-05 21:06 ` David S. Miller
2002-12-05 21:21 ` Pavel Machek
2002-12-05 21:22 ` David S. Miller
2002-12-05 21:32 ` Pavel Machek
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