On Thu, Sep 11, 2014 at 05:04:11PM +0100, Doug Anderson wrote: > On Thu, Sep 11, 2014 at 8:58 AM, Christopher Covington > <cov@xxxxxxxxxxxxxx> wrote: > > On 09/11/2014 11:52 AM, Doug Anderson wrote: > >> diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c > >> index 5163ec1..8ca07a9 100644 > >> --- a/drivers/clocksource/arm_arch_timer.c > >> +++ b/drivers/clocksource/arm_arch_timer.c > >> @@ -649,6 +649,9 @@ static void __init arch_timer_init(struct device_node *np) > >> arch_timer_ppi[i] = irq_of_parse_and_map(np, i); > >> arch_timer_detect_rate(NULL, np); > >> > >> + if (of_property_read_bool(np, "arm,use-physical-timer")) > >> + arch_timer_use_virtual = false; Can you #ifdef CONFIG_ARM here please? > >> /* > >> * If HYP mode is available, we know that the physical timer > >> * has been configured to be accessible from PL1. Use it, so > >> > > > > How's the VDSO supposed to deal with this? It currently does: > > > > cycle_now = arch_counter_get_cntvct() > > I don't see that line of code anywhere when I do a "git grep" on linux > or linuxnext. Can you give me a clearer pointer? It's in the actual vdso code (arch/arm64/kernel/vdso/gettimeofday.S): /* Read the virtual counter. */ isb mrs x15, cntvct_el0 Will -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html