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SubjectRe: Simple patches for Linux as a guest OS in a plex86 VM (please consider)
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. I will
check this out and re-submit the patches if it's

Maybe this was what Andi meant too. Originally thought
he meant a script file wrapper for gcc.

Will write back soon,

--- Andrew Morton <> wrote:

> I'm wondering if this can this be done a lot more simply with assembler
> macros.
> The below example generates the right code. It's then just a matter of
> getting the redefined pushfl and popfl macros into kernel-wide scope.
> Possibly an explicit `-include' in the makefile system.
> asm("
> .macro popfl
> testl $(1<<9), 0(%esp)
> jz 69003f
> .byte 0x9d # popfl
> sti
> jmp 69004f
> 69003:
> .byte 0x9d # popfl
> cli
> 69004:
> .endm
> ");
> foo()
> {
> asm("popfl\n");
> }

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