linux-kernel - Re: [PATCH 02/24] cputime: Generic on-demand virtual cputime accounting

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Message-ID: <CAFTL4hymw0K42n4KLnGEEuugXE6hiiPBkRJQTJSNA9VfqWPZgQ@mail.gmail.com>
Date:	Sat, 29 Dec 2012 14:15:29 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Li Zhong <zhong@...ux.vnet.ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Alessio Igor Bogani <abogani@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Chris Metcalf <cmetcalf@...era.com>,
	Christoph Lameter <cl@...ux.com>,
	Geoff Levand <geoff@...radead.org>,
	Gilad Ben Yossef <gilad@...yossef.com>,
	Hakan Akkan <hakanakkan@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 02/24] cputime: Generic on-demand virtual cputime accounting

2012/12/26 Li Zhong <zhong@...ux.vnet.ibm.com>:
> On Thu, 2012-12-20 at 19:32 +0100, Frederic Weisbecker wrote:
>> diff --git a/init/Kconfig b/init/Kconfig
>> index 60579d6..a64b3e8 100644
>> --- a/init/Kconfig
>> +++ b/init/Kconfig
>> @@ -340,7 +340,9 @@ config TICK_CPU_ACCOUNTING
>>
>>  config VIRT_CPU_ACCOUNTING
>>       bool "Deterministic task and CPU time accounting"
>> -     depends on HAVE_VIRT_CPU_ACCOUNTING
>> +     depends on HAVE_VIRT_CPU_ACCOUNTING || HAVE_CONTEXT_TRACKING
>> +     select VIRT_CPU_ACCOUNTING_GEN if !HAVE_VIRT_CPU_ACCOUNTING
>> +     default y if PPC64
>
> I saw
> "init/Kconfig:346:warning: defaults for choice values not supported"
> on this line. So maybe we don't need it. And we already have
>         "default VIRT_CPU_ACCOUNTING if PPC64"
>
> Thanks, Zhong

Fixed for the next version, thanks!
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