On Fri, Jul 05, 2013 at 05:24:09PM +0200, Thomas Gleixner wrote: > See arch/x86/kernel/tsc.c > > We disable the watchdog for the TSC when tsc_clocksource_reliable is > set. > > tsc_clocksource_reliable is set when: > > - you add tsc=reliable to the kernel command line
Ah, I didn't know about that one, useful. > - boot_cpu_has(X86_FEATURE_TSC_RELIABLE) > > X86_FEATURE_TSC_RELIABLE is a software flag, set by vmware and > moorsetown. So all other machines keep the watchdog enabled. Right.. I knew it was enabled on my machines even though they normally have usable TSC. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
