From: Roland McGrath <roland@redhat.com>
To: Andi Kleen <ak@suse.de>
Cc: akpm@osdl.org, torvalds@osdl.org, linux-kernel@vger.kernel.org,
jparadis@redhat.com, cagney@redhat.com, discuss@x86-64.org
Subject: Re: [PATCH] x86-64 singlestep through sigreturn system call
Date: Thu, 15 Jul 2004 14:13:15 -0700 [thread overview]
Message-ID: <200407152113.i6FLDFfB013246@magilla.sf.frob.com> (raw)
In-Reply-To: Andi Kleen's message of Thursday, 15 July 2004 07:46:18 +0200 <20040715074618.4c33bd31.ak@suse.de>
> Anyways, I don't have any plans to change the 64bit behaviour. gdb will
> have to live with a few minor inconsistencies as price for faster system
> calls.
My patch doesn't slow anything down beyond one comparison and branch not
taken in the rt_sigreturn system call. Does that negligible meaning of
"faster" really warrant the inconsistent user behavior?
Thanks,
Roland
next prev parent reply other threads:[~2004-07-15 21:13 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-13 0:22 [PATCH] x86-64 singlestep through sigreturn system call Roland McGrath
2004-07-13 7:23 ` Andi Kleen
2004-07-15 0:56 ` Roland McGrath
2004-07-15 5:46 ` Andi Kleen
2004-07-15 21:13 ` Roland McGrath [this message]
2004-07-15 22:06 ` Andi Kleen
2004-07-15 23:57 ` Roland McGrath
[not found] <2imAA-4n7-49@gated-at.bofh.it>
[not found] ` <2iosE-5Kb-17@gated-at.bofh.it>
2004-07-17 11:12 ` Andi Kleen
2004-07-22 2:16 ` Roland McGrath
2004-07-22 6:11 ` Andrew Morton
2004-07-22 22:58 ` Roland McGrath
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