Fixed Paul's email address On Thu, Sep 6, 2012 at 8:56 PM, Jean Pihet <jean.pihet@xxxxxxxxxxxxxx> wrote: > Hi Roger, > > On Fri, Aug 10, 2012 at 4:05 PM, Roger Quadros <rogerq@xxxxxx> wrote: >> gets rid of below messages with CONFIG_DEBUG_PREEMPT enabled >> >> [ 28.832916] debug_smp_processor_id: 18 callbacks suppressed >> [ 28.832946] BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/1763 >> [ 28.841491] caller is pwrdm_set_next_pwrst+0x54/0x120 >> >> Signed-off-by: Roger Quadros <rogerq@xxxxxx> > > What his the status of the patch? Has it been reviewed and taken in an > integration tree? I cannot find anything about it in l-o and > linux-next. > > I have some changes on-going in the OMAP PM code and I would like to > know if $SUBJECT is applicable. > > Regards, > Jean > >> --- >> arch/arm/mach-omap2/clock.c | 9 ++++++--- >> arch/arm/mach-omap2/pm34xx.c | 12 ++++++++---- >> arch/arm/mach-omap2/powerdomain.c | 6 ++++-- >> 3 files changed, 18 insertions(+), 9 deletions(-) >> >> diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c >> index ea3f565..06747b6 100644 >> --- a/arch/arm/mach-omap2/clock.c >> +++ b/arch/arm/mach-omap2/clock.c >> @@ -285,7 +285,8 @@ void omap2_clk_disable(struct clk *clk) >> pr_debug("clock: %s: disabling in hardware\n", clk->name); >> >> if (clk->ops && clk->ops->disable) { >> - trace_clock_disable(clk->name, 0, smp_processor_id()); >> + trace_clock_disable(clk->name, 0, get_cpu()); >> + put_cpu(); >> clk->ops->disable(clk); >> } >> >> @@ -339,7 +340,8 @@ int omap2_clk_enable(struct clk *clk) >> } >> >> if (clk->ops && clk->ops->enable) { >> - trace_clock_enable(clk->name, 1, smp_processor_id()); >> + trace_clock_enable(clk->name, 1, get_cpu()); >> + put_cpu(); >> ret = clk->ops->enable(clk); >> if (ret) { >> WARN(1, "clock: %s: could not enable: %d\n", >> @@ -380,7 +382,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long rate) >> >> /* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */ >> if (clk->set_rate) { >> - trace_clock_set_rate(clk->name, rate, smp_processor_id()); >> + trace_clock_set_rate(clk->name, rate, get_cpu()); >> + put_cpu(); >> ret = clk->set_rate(clk, rate); >> } >> >> diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c >> index e4fc88c..81fec2e 100644 >> --- a/arch/arm/mach-omap2/pm34xx.c >> +++ b/arch/arm/mach-omap2/pm34xx.c >> @@ -357,18 +357,22 @@ void omap_sram_idle(void) >> >> static void omap3_pm_idle(void) >> { >> + unsigned cpu; >> + >> local_fiq_disable(); >> >> if (omap_irq_pending()) >> goto out; >> >> - trace_power_start(POWER_CSTATE, 1, smp_processor_id()); >> - trace_cpu_idle(1, smp_processor_id()); >> + cpu = get_cpu(); >> + trace_power_start(POWER_CSTATE, 1, cpu); >> + trace_cpu_idle(1, cpu); >> >> omap_sram_idle(); >> >> - trace_power_end(smp_processor_id()); >> - trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id()); >> + trace_power_end(cpu); >> + trace_cpu_idle(PWR_EVENT_EXIT, cpu); >> + put_cpu(); >> >> out: >> local_fiq_enable(); >> diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c >> index 69b36e1..138bf86 100644 >> --- a/arch/arm/mach-omap2/powerdomain.c >> +++ b/arch/arm/mach-omap2/powerdomain.c >> @@ -169,7 +169,8 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) >> ((state & OMAP_POWERSTATE_MASK) << 8) | >> ((prev & OMAP_POWERSTATE_MASK) << 0)); >> trace_power_domain_target(pwrdm->name, trace_state, >> - smp_processor_id()); >> + get_cpu()); >> + put_cpu(); >> } >> break; >> default: >> @@ -491,7 +492,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) >> if (arch_pwrdm && arch_pwrdm->pwrdm_set_next_pwrst) { >> /* Trace the pwrdm desired target state */ >> trace_power_domain_target(pwrdm->name, pwrst, >> - smp_processor_id()); >> + get_cpu()); >> + put_cpu(); >> /* Program the pwrdm desired target state */ >> ret = arch_pwrdm->pwrdm_set_next_pwrst(pwrdm, pwrst); >> } >> -- >> 1.7.4.1 >> -- 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