2.6.17-rt4 x86_64 unknown symbol monotonic_clock

From: John Rigg
Date: Thu Jun 29 2006 - 14:37:51 EST


Hi Ingo,

I'm still getting this warning from `make modules_install':

WARNING: /lib/modules/2.6.17-rt4/kernel/drivers/char/hangcheck-timer.ko \
needs unknown symbol monotonic_clock

The patch below appears to fix it.

John


diff -uprN linux-2.6.17-rt4/arch/x86_64/kernel/time.c linux-2.6.17-rt4-patched/arch/x86_64/kernel/time.c
--- linux-2.6.17-rt4/arch/x86_64/kernel/time.c 2006-06-29 19:38:29.000000000 +0100
+++ linux-2.6.17-rt4-patched/arch/x86_64/kernel/time.c 2006-06-29 19:37:06.000000000 +0100
@@ -247,6 +247,15 @@ unsigned long long sched_clock(void)
return cycles_2_ns(a);
}

+/*
+ * Monotonic_clock - returns # of nanoseconds passed since time_init()
+ */
+unsigned long long monotonic_clock(void)
+{
+ return sched_clock();
+}
+EXPORT_SYMBOL(monotonic_clock);
+
static int tsc_unstable;

static inline int check_tsc_unstable(void)
-
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