From: Jamie Lokier <lk@tantalophile.demon.co.uk>
To: "Richard B. Johnson" <root@chaos.analogic.com>
Cc: mdaljeet@in.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: system call handling
Date: Thu, 2 Nov 2000 00:53:37 +0100 [thread overview]
Message-ID: <20001102005337.A9017@pcep-jamie.cern.ch> (raw)
In-Reply-To: <CA25698A.00434741.00@d73mta05.au.ibm.com> <Pine.LNX.3.95.1001101073637.6028A-100000@chaos.analogic.com>
In-Reply-To: <Pine.LNX.3.95.1001101073637.6028A-100000@chaos.analogic.com>; from root@chaos.analogic.com on Wed, Nov 01, 2000 at 07:44:03AM -0500
Richard B. Johnson wrote:
> If you designed it with just one call-gate, with one entry point,
> you would have exactly what we have now except you would execute
> a `call CALL_GATE` instead of `int 0x80`. This turns out to be
> 6 of one and 1/2 dozen of another when it comes to performance.
The final decider is that `int 0x80' is only two bytes long.
-- Jamie
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prev parent reply other threads:[~2000-11-01 23:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-01 12:07 mdaljeet
2000-11-01 12:21 ` Petko Manolov
2000-11-01 12:44 ` Richard B. Johnson
2000-11-01 23:53 ` Jamie Lokier [this message]
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