[Xen-devel] [PATCH]: Add "Warning" to the time went backwards messages

[Chris Lalancette <clalance@xxxxxxxxxx>]

All,
    Attached is a patch from Prarit Bhargava, who is not subscribed to the list
(but CC'ed).  His description follows:

Add "Warning" to the "Time went backwards" message.

Most QA groups (if not all) grep for specific messages in the syslog such as
"Error", "Warning", "Oops".

Time went backwards is a key error which can result in system instability.

Signed-off-by: Prarit Bhargava <prarit@xxxxxxxxxx>

Add "Warning" to the "Time went backwards" message.

Most QA groups (if not all) grep for specific messages in the syslog such as
"Error", "Warning", "Oops".

Time went backwards is a key error which can result in system instability.

Signed-off-by: Prarit Bhargava <prarit@xxxxxxxxxx>

diff --git a/arch/i386/kernel/time-xen.c b/arch/i386/kernel/time-xen.c
index 532ad14..d4c8dfc 100644
--- a/arch/i386/kernel/time-xen.c
+++ b/arch/i386/kernel/time-xen.c
@@ -665,8 +665,8 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct 
pt_regs *regs)
        if ((unlikely(delta < -(s64)permitted_clock_jitter) ||
             unlikely(delta_cpu < -(s64)permitted_clock_jitter))
            && printk_ratelimit()) {
-               printk("Timer ISR/%d: Time went backwards: "
-                      "delta=%lld delta_cpu=%lld shadow=%lld "
+               printk(KERN_WARNING "Warning Timer ISR/%d: Time went "
+                      "backwards: delta=%lld delta_cpu=%lld shadow=%lld "
                       "off=%lld processed=%lld cpu_processed=%lld\n",
                       cpu, delta, delta_cpu, shadow->system_timestamp,
                       (s64)get_nsec_offset(shadow),

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