Re: Intel P6 vs P7 system call performance

From: Dave Jones (davej@codemonkey.org.uk)
Date: Thu Dec 19 2002 - 08:38:48 EST


On Thu, Dec 19, 2002 at 02:22:36PM +0100, bart@etpmod.phys.tue.nl wrote:
> > However, there's another issue, namely process startup cost. I personally
> > want it to be as light as at all possible. I hate doing an "strace" on
> > user processes and seeing tons and tons of crapola showing up. Just for
> So why not map the magic page at 0xffffe000 at some other address as
> well?
> Static binaries can just directly jump/call into the magic page.

.. and explode nicely when you try to run them on an older kernel
without the new syscall magick. This is what Linus' first
proof-of-concept code did.

                Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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