From: Andi Kleen <andi@firstfloor.org>
To: Roland McGrath <roland@redhat.com>
Cc: Jeff Dike <jdike@addtoit.com>, Andrew Morton <akpm@osdl.org>,
tglx@linutronix.de, hpa@zytor.com,
Chuck Ebbert <76306.1226@compuserve.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86 - 32-bit ptrace emulation mishandles 6th arg
Date: Sat, 10 Nov 2007 08:13:47 +0100 [thread overview]
Message-ID: <p73mytm1sk4.fsf@bingen.suse.de> (raw)
In-Reply-To: <20071107211222.B95634D0564@magilla.localdomain> (Roland McGrath's message of "Wed\, 7 Nov 2007 13\:12\:22 -0800 \(PST\)")
Roland McGrath <roland@redhat.com> writes:
> Sure has my ACK.
> I never really understood why my old patch was not taken 2.5 years ago.
If I remember correctly the old patch back then broke some programs,
so it was reverted.
It's certainly ugly that it leaks r9 internals to ptrace.
Also it generates redundant code with CLEAR_RREGS.
-Andi
prev parent reply other threads:[~2007-11-10 7:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-07 15:48 [PATCH] x86 - 32-bit ptrace emulation mishandles 6th arg Jeff Dike
2007-11-07 21:12 ` Roland McGrath
2007-11-07 23:41 ` Jeff Dike
2007-11-07 23:50 ` Roland McGrath
2007-11-08 0:13 ` Chuck Ebbert
2007-11-10 7:13 ` Andi Kleen [this message]
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