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

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The guest can use the paravirt clock in kvmclock.c which is used
by sched_clock(), which in turn is used by the tracing mechanism
for timestamps, which leads to infinite recursion.

Disable mcount/tracing for kvmclock.o.

Cc: [email protected]
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Avi Kivity <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
This commit is contained in:
Steven Rostedt 2010-09-22 22:22:25 -04:00 • committed by Steven Rostedt
commit 258af47479
1 changed files with 1 additions and 0 deletions
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arch/x86/kernel/Makefile
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@ -12,6 +12,7 @@ CFLAGS_REMOVE_tsc.o = -pg
CFLAGS_REMOVE_rtc.o = -pg
CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
CFLAGS_REMOVE_pvclock.o = -pg
CFLAGS_REMOVE_kvmclock.o = -pg
CFLAGS_REMOVE_ftrace.o = -pg
CFLAGS_REMOVE_early_printk.o = -pg
endif