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tracing/x86: Don't use mcount in pvclock.c

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When using a paravirt clock, pvclock.c can be used by sched_clock(),
which in turn is used by the tracing mechanism for timestamps,
which leads to infinite recursion.

Disable mcount/tracing for pvclock.o.

Cc: [email protected]
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
This commit is contained in:
Jeremy Fitzhardinge 2010-09-22 17:07:27 -07:00 • committed by Steven Rostedt
commit 9ecd4e1689
1 changed files with 1 additions and 0 deletions
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1
arch/x86/kernel/Makefile
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@ -11,6 +11,7 @@ ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_tsc.o = -pg
CFLAGS_REMOVE_rtc.o = -pg
CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
CFLAGS_REMOVE_pvclock.o = -pg
CFLAGS_REMOVE_ftrace.o = -pg
CFLAGS_REMOVE_early_printk.o = -pg
endif