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Date:	Thu, 06 Mar 2014 14:17:28 -0500
From:	Rik van Riel <>
To:	Frederic Weisbecker <>,
	LKML <>
CC:	Ingo Molnar <>,
	Marcelo Tosatti <>,
	Peter Zijlstra <>,
	Thomas Gleixner <>
Subject: Re: [PATCH 2/6] cputime: Default implementation of nsecs -> cputime

On 03/06/2014 12:56 PM, Frederic Weisbecker wrote:
> The architectures that override cputime_t (s390, ppc) don't provide
> any version of nsecs_to_cputime(). Indeed this cputime_t implementation
> by backend only happens when CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y under
> which the core code doesn't make any use of nsecs_to_cputime().
> At least for now.
> We are going to make a broader use of it so lets provide a default
> version with a per usecs granularity. It should be good enough for most
> usecases.
> Cc: Ingo Molnar <>
> Cc: Marcelo Tosatti <>
> Cc: Peter Zijlstra <>
> Cc: Thomas Gleixner <>
> Signed-off-by: Frederic Weisbecker <>

Acked-by: Rik van Riel <>

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