Re: Simple patches for Linux as a guest OS in a plex86 VM (please consider)

From: Andrew Morton (
Date: Wed Jan 22 2003 - 15:17:12 EST

Kevin Lawton <> wrote:
> Humm, that's a good idea. I already made the mods
> to files to add an #include <asm/if.h>. That would
> be a logical place to stick such macros.

<asm/if.h> is a fine place to put the macros.

However, open-coding

        #include <asm/if.h>

in the places which are known to use pushfl/popfl is fragile. Because
someone could later do something odd which results in the generation of an
unmassaged pushfl/popfl.

You need a magic bullet. Which is why I suggest including if.h via the build
system - making it truly global.

__ASSEMBLY__ and __KERNEL__ are provided via the build system as well, and
are in scope during that first inclusion. So it _should_ work....

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