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Subject: Re: [PATCH] Athlon-SMP compiles & runs. inline fns honored.
To: jgarzik@mandrakesoft.com (Jeff Garzik)
Date: Sun, 11 Feb 2001 10:54:50 +0000 (GMT)
Cc: tleete@mountain.net (Tom Leete), alan@lxorguk.ukuu.org.uk (Alan Cox),
        andre@linux-ide.org (Andre Hedrick), linux-kernel@vger.kernel.org
In-Reply-To: <3A85B2C9.56F7221D@mandrakesoft.com> from "Jeff Garzik" at Feb 10, 2001 04:29:45 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> Ouch.  What about un-inlining in_interrupt() for all SMP cases?  Reduces
> code size just a bit, and function calls aren't very expensive on SMP
> machines IMHO...  (and as a side effect solves this problem...)

Call, conditional branch, call is pretty expensive and thats what most
in_interrupt and small constant memcpy/memset paths are

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