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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2010-09-22 20:07:27 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2010-09-22 23:00:50 -0400 |
| commit | 9ecd4e1689208afe9b059a5ce1333acb2f42c4d2 (patch) | |
| tree | b4266ea566c74ce829b008595ef49794890188b9 /arch | |
| parent | c79bd89282136a4516e842fa542d6abf902ddeac (diff) | |
tracing/x86: Don't use mcount in pvclock.c
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: stable@kernel.org
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
LKML-Reference: <4C9A9A3F.4040201@goop.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 0925676266bd..882bbff9d50b 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile | |||
| @@ -11,6 +11,7 @@ ifdef CONFIG_FUNCTION_TRACER | |||
| 11 | CFLAGS_REMOVE_tsc.o = -pg | 11 | CFLAGS_REMOVE_tsc.o = -pg |
| 12 | CFLAGS_REMOVE_rtc.o = -pg | 12 | CFLAGS_REMOVE_rtc.o = -pg |
| 13 | CFLAGS_REMOVE_paravirt-spinlocks.o = -pg | 13 | CFLAGS_REMOVE_paravirt-spinlocks.o = -pg |
| 14 | CFLAGS_REMOVE_pvclock.o = -pg | ||
| 14 | CFLAGS_REMOVE_ftrace.o = -pg | 15 | CFLAGS_REMOVE_ftrace.o = -pg |
| 15 | CFLAGS_REMOVE_early_printk.o = -pg | 16 | CFLAGS_REMOVE_early_printk.o = -pg |
| 16 | endif | 17 | endif |