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From: John Bradford <john@grabjohn.com>
Message-Id: <200302232115.h1NLF9wo000201@81-2-122-30.bradfords.org.uk>
Subject: Re: Minutes from Feb 21 LSE Call
To: torvalds@transmeta.com (Linus Torvalds)
Date: Sun, 23 Feb 2003 21:15:09 +0000 (GMT)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <b3b6oa$bsj$1@penguin.transmeta.com> from "Linus Torvalds" at Feb 23, 2003 07:17:30 PM
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> >If I didn't know this mattered I wouldn't bother with the barfbags.
> >I just wouldn't deal with it.
> 
> Why?
> 
> The x86 is a hell of a lot nicer than the ppc32, for example.  On the
> x86, you get good performance and you can ignore the design mistakes (ie
> segmentation) by just basically turning them off.

I could be wrong, but I always thought that Sparc, and a lot of other
architectures could mark arbitrary areas of memory, (such as the
stack), as non-executable, whereas x86 only lets you have one
non-executable segment.

John.
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