Hi! > It turned out that it is almost impossible to trust ACPI, BIOS & Co. > regarding the C states. This was the reason to switch the local apic > timer off in C2 state already. OTOH there are sane and well behaving > systems, which get punished by that decision. > > Allow the user to confirm that the local apic timer is trustworthy in C2 > state. This keeps the default behaviour on the safe side. ... > @@ -780,6 +780,9 @@ and is between 256 and 4096 characters. It is defined in > the file > lapic [IA-32,APIC] Enable the local APIC even if BIOS > disabled it. > > + lapic_timer_c2_ok [IA-32,APIC] trust the local apic timer in > + C2 power state. > +
Could you add comment saying that this is always ok on non-broken systems? That way perhaps it can be added to linux-firmware-test-cd, etc. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
