linux-kernel - Re: [PATCH v3 0/6] ARM/ARM64 architected timer updates

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Message-ID: <520B9B84.3010409@linaro.org>
Date:	Wed, 14 Aug 2013 17:00:20 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@....com>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v3 0/6] ARM/ARM64 architected timer updates

On 08/14/2013 01:03 PM, Sudeep KarkadaNagesha wrote:
> On 14/08/13 11:51, Daniel Lezcano wrote:
>> On 08/14/2013 11:17 AM, Sudeep KarkadaNagesha wrote:
>>> On 14/08/13 10:08, Daniel Lezcano wrote:
>>>> On 08/13/2013 07:29 PM, Sudeep KarkadaNagesha wrote:
>>>>> From: Sudeep KarkadaNagesha <sudeep.karkadanagesha@....com>
>>>>>
>>>>> This patch series adds support to configure the rate and enable the
>>>>> event stream for architected timer. The event streams can be used to
>>>>> impose a timeout on a WFE, to safeguard against any programming error
>>>>> in case an expected event is not generated or even to implement
>>>>> wfe-based timeouts for userspace locking implementations.
>>>>>
>>>>> Since the timer control register is reset to zero on warm boot, CPU
>>>>> PM notifier is added to re-initialize it.
>>>>
>>>> It does not apply to my tree.
>>>>
>>>> Against which tree is this patchset ? Who is supposed to take it ?
>>>>
>>> As I had mentioned in previous version, because of the conflict, I had
>>> to rebase it on 3.11-rc4
>>
>>
>> dlezcano@mai:~/Work/src/clockevents$ git show
>> commit c095ba7224d8edc71dcef0d655911399a8bd4a3f
>> Author: Linus Torvalds <torvalds@...ux-foundation.org>
>> Date:   Sun Aug 4 13:46:46 2013 -0700
>>
>>     Linux 3.11-rc4
>>
>> diff --git a/Makefile b/Makefile
>> index 95a8e55..f93d4f7 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -1,7 +1,7 @@
>>  VERSION = 3
>>  PATCHLEVEL = 11
>>  SUBLEVEL = 0
>> -EXTRAVERSION = -rc3
>> +EXTRAVERSION = -rc4
>>  NAME = Linux for Workgroups
>>
>>  # *DOCUMENTATION*
>>
>>
>> dlezcano@mai:~/Work/src/clockevents$ git am -s arch_timer
>>
>> Applying: ARM/ARM64: arch_timer: add macros for bits in control register
>> Applying: drivers: clocksource: configure event stream for ARM arch timer
>> Applying: ARM: arch_timer: configure and enable event stream
>> Applying: ARM64: arch_timer: configure and enable event stream
> Looks like you are missing a patch here:
> [PATCH v3 5/6] drivers: clocksource: enable hwcaps for event stream on
> ARM arch timer

ah, right. Fair enough.

>> Applying: drivers: clocksource: add CPU PM notifier for ARM architected
>> timer


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