linux-kernel - Re: [PATCH] powerpc: cputime: fix a compile warning

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Date:   Fri, 2 Dec 2016 12:35:49 +0800
From:   yjin <yanjiang.jin@...driver.com>
To:     Balbir Singh <bsingharora@...il.com>
CC:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>, <oss@...error.net>,
        <jinyanjiang@...il.com>,
        "open list:LINUX FOR POWERPC (32-BIT AND 64-BIT)" 
        <linuxppc-dev@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] powerpc: cputime: fix a compile warning


On 2016年12月02日 12:22, Balbir Singh wrote:
> On Fri, Dec 2, 2016 at 3:15 PM, Michael Ellerman <mpe@...erman.id.au> wrote:
>> yanjiang.jin@...driver.com writes:
>>
>>> diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
>>> index 4f60db0..4423e97 100644
>>> --- a/arch/powerpc/include/asm/cputime.h
>>> +++ b/arch/powerpc/include/asm/cputime.h
>>> @@ -228,7 +228,8 @@ static inline cputime_t clock_t_to_cputime(const unsigned long clk)
>>>        return (__force cputime_t) ct;
>>>   }
>>>
>>> -#define cputime64_to_clock_t(ct)     cputime_to_clock_t((cputime_t)(ct))
>>> +#define cputime64_to_clock_t(ct)     \
>>> +     (__force u64)(cputime_to_clock_t((cputime_t)(ct)))
>> Given the name of the function is "cputime64 to clock_t", surely we
>> should be returning a clock_t ?
> Please fix it in cpuacct.c  Also check out git commit
> 527b0a76f41d062381adbb55c8eb61e32cb0bfc9
> sched/cpuacct: Avoid %lld seq_printf warning

Hi Balbir,

Where can I find this commit?

Thanks!
Yanjiang
>
> Balbir