Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity change

2015-10-27 Thread Daniel Lezcano
On 10/27/2015 09:22 PM, Lucas Stach wrote: Am Dienstag, den 27.10.2015, 11:14 +0100 schrieb Daniel Lezcano: On 10/25/2015 04:40 PM, Lucas Stach wrote: Allow the timer core to change the smp affinity of the broadcast timer irq by setting CLOCK_EVT_FEAT_DYNIRQ flag. This reduces interrupt pressu

Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity change

2015-10-27 Thread Lucas Stach
Am Dienstag, den 27.10.2015, 11:14 +0100 schrieb Daniel Lezcano: > On 10/25/2015 04:40 PM, Lucas Stach wrote: > > Allow the timer core to change the smp affinity of the broadcast > > timer > > irq by setting CLOCK_EVT_FEAT_DYNIRQ flag. > > > > This reduces interrupt pressure and wakeups on CPU0 as

Re: [PATCH] clocksource/drivers/tegra: allow timer irq affinity change

2015-10-27 Thread Daniel Lezcano
On 10/25/2015 04:40 PM, Lucas Stach wrote: Allow the timer core to change the smp affinity of the broadcast timer irq by setting CLOCK_EVT_FEAT_DYNIRQ flag. This reduces interrupt pressure and wakeups on CPU0 as well as vastly reducing the number of timer broadcast IPIs. Did you test this patc

[PATCH] clocksource/drivers/tegra: allow timer irq affinity change

2015-10-25 Thread Lucas Stach
Allow the timer core to change the smp affinity of the broadcast timer irq by setting CLOCK_EVT_FEAT_DYNIRQ flag. This reduces interrupt pressure and wakeups on CPU0 as well as vastly reducing the number of timer broadcast IPIs. Signed-off-by: Lucas Stach --- drivers/clocksource/tegra20_timer.c