From: Andrew Morton <akpm@osdl.org>
To: Andi Kleen <ak@suse.de>
Cc: Stephane Eranian <eranian@frankl.hpl.hp.com>,
eranian@hpl.hp.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 17/18] 2.6.17.9 perfmon2 patch for review: modified x86_64 files
Date: Wed, 23 Aug 2006 21:27:01 -0700 [thread overview]
Message-ID: <20060823212701.07d38455.akpm@osdl.org> (raw)
In-Reply-To: <p73k64z7oh6.fsf@verdi.suse.de>
On 23 Aug 2006 12:09:25 +0200
Andi Kleen <ak@suse.de> wrote:
> > void flush_thread(void)
> > @@ -462,6 +464,8 @@ int copy_thread(int nr, unsigned long cl
> > asm("mov %%es,%0" : "=m" (p->thread.es));
> > asm("mov %%ds,%0" : "=m" (p->thread.ds));
> >
> > + pfm_copy_thread(p);
> > +
>
> AFAIK there was some work in -mm* for generic notifiers for exit/copy hooks. Can those
> be used?
I dropped them. It was nice code, but there was overhead. I went for
nasty&&fast over nice&&slow.
next prev parent reply other threads:[~2006-08-24 4:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 8:06 [PATCH 17/18] 2.6.17.9 perfmon2 patch for review: modified x86_64 files Stephane Eranian
2006-08-23 10:09 ` Andi Kleen
2006-08-24 4:27 ` Andrew Morton [this message]
2006-08-24 9:04 ` Stephane Eranian
2006-08-24 9:20 ` Andi Kleen
2006-08-24 9:31 ` Stephane Eranian
2006-08-24 14:42 ` Stephane Eranian
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