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authorAlok N Kataria <akataria@vmware.com>2008-09-03 18:18:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-09-03 20:10:37 -0700
commitde014d617636d6a6bd5aef3b3d1f7f9a35669057 (patch)
tree0fb29f036345dfc46c4517c57456536cfa93c529
parentce36394269ccd9d1d286d6192ba09fa6894365e9 (diff)
x86: Change warning message in TSC calibration.
When calibration against PIT fails, the warning that we print is misleading. In a virtualized environment the VM may get descheduled while calibration or, the check in PIT calibration may fail due to other virtualization overheads. The warning message explicitly assumes that calibration failed due to SMI's which may not be the case. Change that to something proper. Signed-off-by: Alok N Kataria <akataria@vmware.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/x86/kernel/tsc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 346cae5ac42..8f98e9de1b8 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -267,8 +267,7 @@ unsigned long native_calibrate_tsc(void)
*/
if (tsc_pit_min == ULONG_MAX) {
/* PIT gave no useful value */
- printk(KERN_WARNING "TSC: PIT calibration failed due to "
- "SMI disturbance.\n");
+ printk(KERN_WARNING "TSC: Unable to calibrate against PIT\n");
/* We don't have an alternative source, disable TSC */
if (!hpet && !pm1 && !pm2) {