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Date: Fri, 22 Oct 2010 11:34:43 -0700 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...nel.org Cc: stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>, Steven Rostedt <rostedt@...dmis.org> Subject: [16/66] tracing/x86: Dont use mcount in pvclock.c 2.6.32-stable review patch. If anyone has any objections, please let us know. ------------------ From: Jeremy Fitzhardinge <jeremy@...p.org> commit 9ecd4e1689208afe9b059a5ce1333acb2f42c4d2 upstream. 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. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> LKML-Reference: <4C9A9A3F.4040201@...p.org> Signed-off-by: Steven Rostedt <rostedt@...dmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- arch/x86/kernel/Makefile | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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