From: Arjan van de Ven <arjan@infradead.org>
To: Andi Kleen <ak@suse.de>
Cc: Chuck Ebbert <76306.1226@compuserve.com>,
Ingo Molnar <mingo@elte.hu>,
linux-kernel <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@osdl.org>
Subject: Re: [PATCH for 2.6.18rc2] [1/7] i386/x86-64: Don't randomize stack top when...
Date: Tue, 25 Jul 2006 13:48:54 +0200 [thread overview]
Message-ID: <1153828134.8932.27.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <200607251338.45215.ak@suse.de>
> > > the 8K was what Intel proposed for 2.4 quite a while ago and has been in
> > > use in linux for years and years... Can you explain why you are saying
> > > 7Kb? throwing away that 1Kb of cache associativity is unfortunate and
> > > shouldn't be done unless there's a good reason, so I'm quite interested
> > > in finding out your reason ;)
> >
> > Well that's what the Intel IA-32 optimization manual says:
>
> The reason I allowed to disable it is that it is sometimes very useful
> for debugging if you can get 100% reproducible addresses.
that I fully agree with; if you say as user "hey I don't care about
anything but give me no randomization" we should give the user no
randomization.
--
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
next prev parent reply other threads:[~2006-07-25 11:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-25 9:06 Chuck Ebbert
2006-07-25 11:38 ` Andi Kleen
2006-07-25 11:48 ` Arjan van de Ven [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-07-25 7:46 Chuck Ebbert
2006-07-25 8:12 ` Arjan van de Ven
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