Sorry - had wrong lists in original message. Add notrace attribute to sched_clock, and subsidiary clock routines, to avoid recursion within ftrace. Signed-off-by: Tim Bird <tim.bird@xxxxxxxxxxx> --- arch/arm/mach-mmp/time.c | 2 +- arch/arm/mach-pxa/time.c | 2 +- arch/arm/mach-realview/core.c | 2 +- arch/arm/mach-sa1100/generic.c | 2 +- arch/arm/mach-versatile/core.c | 2 +- arch/arm/plat-omap/common.c | 14 +++++++------- arch/arm/plat-omap/io.c | 2 +- 7 files changed, 13 insertions(+), 13 deletions(-) --- a/arch/arm/mach-mmp/time.c +++ b/arch/arm/mach-mmp/time.c @@ -72,7 +72,7 @@ static inline uint32_t timer_read(void) return __raw_readl(TIMERS_VIRT_BASE + TMR_CVWR(0)); } -unsigned long long sched_clock(void) +unsigned long long notrace sched_clock(void) { unsigned long long v = cnt32_to_63(timer_read()); return (v * tcr2ns_scale) >> TCR2NS_SCALE_FACTOR; --- a/arch/arm/mach-pxa/time.c +++ b/arch/arm/mach-pxa/time.c @@ -51,7 +51,7 @@ static void __init set_oscr2ns_scale(uns oscr2ns_scale++; } -unsigned long long sched_clock(void) +unsigned long long notrace sched_clock(void) { unsigned long long v = cnt32_to_63(OSCR); return (v * oscr2ns_scale) >> OSCR2NS_SCALE_FACTOR; --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -82,7 +82,7 @@ void __init realview_adjust_zones(int no * This is the RealView sched_clock implementation. This has * a resolution of 41.7ns, and a maximum value of about 179s. */ -unsigned long long sched_clock(void) +unsigned long long notrace sched_clock(void) { unsigned long long v; --- a/arch/arm/mach-sa1100/generic.c +++ b/arch/arm/mach-sa1100/generic.c @@ -119,7 +119,7 @@ unsigned int sa11x0_getspeed(unsigned in * * ( * 1E9 / 3686400 => * 78125 / 288) */ -unsigned long long sched_clock(void) +unsigned long long notrace sched_clock(void) { unsigned long long v = cnt32_to_63(OSCR); --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -238,7 +238,7 @@ void __init versatile_map_io(void) * long as there is always less than 89 seconds between successive * calls to this function. */ -unsigned long long sched_clock(void) +unsigned long long notrace sched_clock(void) { unsigned long long v = cnt32_to_63(readl(VERSATILE_REFCOUNTER)); --- a/arch/arm/plat-omap/common.c +++ b/arch/arm/plat-omap/common.c @@ -101,7 +101,7 @@ EXPORT_SYMBOL(omap_get_var_config); #include <linux/clocksource.h> #ifdef CONFIG_ARCH_OMAP16XX -static cycle_t omap16xx_32k_read(struct clocksource *cs) +static cycle_t notrace omap16xx_32k_read(struct clocksource *cs) { return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED); } @@ -110,7 +110,7 @@ static cycle_t omap16xx_32k_read(struct #endif #ifdef CONFIG_ARCH_OMAP2420 -static cycle_t omap2420_32k_read(struct clocksource *cs) +static cycle_t notrace omap2420_32k_read(struct clocksource *cs) { return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10); } @@ -119,7 +119,7 @@ static cycle_t omap2420_32k_read(struct #endif #ifdef CONFIG_ARCH_OMAP2430 -static cycle_t omap2430_32k_read(struct clocksource *cs) +static cycle_t notrace omap2430_32k_read(struct clocksource *cs) { return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10); } @@ -128,7 +128,7 @@ static cycle_t omap2430_32k_read(struct #endif #ifdef CONFIG_ARCH_OMAP3 -static cycle_t omap34xx_32k_read(struct clocksource *cs) +static cycle_t notrace omap34xx_32k_read(struct clocksource *cs) { return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10); } @@ -137,7 +137,7 @@ static cycle_t omap34xx_32k_read(struct #endif #ifdef CONFIG_ARCH_OMAP4 -static cycle_t omap44xx_32k_read(struct clocksource *cs) +static cycle_t notrace omap44xx_32k_read(struct clocksource *cs) { return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10); } @@ -149,7 +149,7 @@ static cycle_t omap44xx_32k_read(struct * Kernel assumes that sched_clock can be called early but may not have * things ready yet. */ -static cycle_t omap_32k_read_dummy(struct clocksource *cs) +static cycle_t notrace omap_32k_read_dummy(struct clocksource *cs) { return 0; } @@ -167,7 +167,7 @@ static struct clocksource clocksource_32 * Returns current time from boot in nsecs. It's OK for this to wrap * around for now, as it's just a relative time stamp. */ -unsigned long long sched_clock(void) +unsigned long long notrace sched_clock(void) { return clocksource_cyc2ns(clocksource_32k.read(&clocksource_32k), clocksource_32k.mult, clocksource_32k.shift); --- a/arch/arm/plat-omap/io.c +++ b/arch/arm/plat-omap/io.c @@ -159,7 +159,7 @@ u16 omap_readw(u32 pa) } EXPORT_SYMBOL(omap_readw); -u32 omap_readl(u32 pa) +u32 notrace omap_readl(u32 pa) { if (cpu_class_is_omap1()) return __raw_readl(OMAP1_IO_ADDRESS(pa)); -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html