lkml.org 
[lkml]   [2018]   [Sep]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] arm: Initialize hrtimer-based broadcast clockevent
From
Date
On 11.06.18 07:42, Jan Kiszka wrote:
> On 2018-04-04 17:54, Jan Kiszka wrote:
>> On 2018-03-01 07:04, Jan Kiszka wrote:
>>> On 2018-01-22 07:06, Jan Kiszka wrote:
>>>> Analogously to 9358d755bd5c, this registers a broadcast clockevent in
>>>> case no hardware broadcast timer is available and the per-CPU timers can
>>>> be stopped in deep power states.
>>>>
>>>> Partitions of the Jailhouse hypervisor fall in this category.
>>>> Registering the workaround timer allows to enter high-resolution mode in
>>>> that case.
>>>>
>>>> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
>>>> ---
>>>> arch/arm/kernel/time.c | 3 +++
>>>> 1 file changed, 3 insertions(+)
>>>>
>>>> diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
>>>> index 629f8e9981f1..0a45d861ef8e 100644
>>>> --- a/arch/arm/kernel/time.c
>>>> +++ b/arch/arm/kernel/time.c
>>>> @@ -12,6 +12,7 @@
>>>> * reading the RTC at bootup, etc...
>>>> */
>>>> #include <linux/clk-provider.h>
>>>> +#include <linux/clockchips.h>
>>>> #include <linux/clocksource.h>
>>>> #include <linux/errno.h>
>>>> #include <linux/export.h>
>>>> @@ -121,5 +122,7 @@ void __init time_init(void)
>>>> of_clk_init(NULL);
>>>> #endif
>>>> timer_probe();
>>>> +
>>>> + tick_setup_hrtimer_broadcast();
>>>> }
>>>> }
>>>>
>>>
>>> Gentle ping, just to avoid that this falls through the cracks because
>>> it's so small.
>>>
>>
>> 2nd ping. Should this patch be routed via ARM or rather some tip/timers
>> tree?
>>
>
> 3rd try: Could someone have a look at this and merge it - or at least
> ack it in order to move forward?
>

Still no reactions, so I'm kindly reminding of this patch again.

Jan

--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux

\
 
 \ /
  Last update: 2018-09-17 08:38    [W:0.096 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site