x86: check_tsc_warp() slowness fix

100 million max # of loops is a bit too much - reduce it to 10 million.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index ace3405..7110078 100644 (file)
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -67,12 +67,12 @@ static __cpuinit void check_tsc_warp(void)
 
                /*
                 * Be nice every now and then (and also check whether
-                * measurement is done [we also insert a 100 million
+                * measurement is done [we also insert a 10 million
                 * loops safety exit, so we dont lock up in case the
                 * TSC readout is totally broken]):
                 */
                if (unlikely(!(i & 7))) {
-                       if (now > end || i > 100000000)
+                       if (now > end || i > 10000000)
                                break;
                        cpu_relax();
                        touch_nmi_watchdog();