Hi,

On Tuesday, 31 July 2007 15:18, Pavel Machek wrote:
> Hi!
> 
> > > This removes some stale debugging infrastructure from s2ram
> > > paths. Also, there's no need to verify_cpu on x86-64 -- cpu can't
> > > change during s2ram, and removed #if 0-ed code. Some testing would be
> > > useful, perpahs it will even fix someone's machine :-). (VGA accesses
> > > could theoretically hurt if vga is not present / if it is in some
> > > strange state).
> > > 
> > > Signed-off-by: Pavel Machek <[EMAIL PROTECTED]>
> > > 
> > > diff --git a/arch/i386/kernel/acpi/wakeup.S 
> > > b/arch/i386/kernel/acpi/wakeup.S
> > > index 1415da1..9719bd6 100644
> > > --- a/arch/i386/kernel/acpi/wakeup.S
> > > +++ b/arch/i386/kernel/acpi/wakeup.S
> > > @@ -53,9 +38,6 @@ wakeup_code:
> > >  # Uncomment this to make your computer start producing ugly noise as soon
> > >  # as BIOS returns to this real-mode entry point.
> > >  #        BEEP
> > > -         movw    $0xb800, %ax
> > > - movw    %ax,%fs
> > > - movw    $0x0e00 + 'L', %fs:(0x10)
> > 
> > Hmm, was this a part of that yellow "Linux" string?
> 
> Yes. But I'm afraid that may cause problems if vga is not ready.

I agree.

> > >  # Running in *copy* of this code, somewhere in low 1MB.
> > >  
> > > - movb    $0xa1, %al      ;  outb %al, $0x80
> > 
> > Well, what was this for?
> 
> Debugging leds on port 80. I still have that card somewhere
> :-). Interesting parties can reinsert it.

Ah, I see.

Hmm, can you please write about that in the chanelog more explicitly?
Or just comment it out with a "uncomment this to get ..." text?

> > > @@ -88,8 +82,6 @@ # Running in *copy* of this code, somewh
> > >   movw    %ax,%fs
> > >   movw    $0x0e00 + 'L', %fs:(0x10)
> > 
> > Why aren't you removing this line?
> 
> Mistake, killed.

Greetings,
Rafael


-- 
"Premature optimization is the root of all evil." - Donald Knuth

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