Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [rft] Kill junk from s2ram resume paths | Date | Tue, 31 Jul 2007 15:49:54 +0200 |
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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 <pavel@suse.cz> > > > > > > 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
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