linux-kernel - Re: [PATCH] Suppress -Wignored-qualifiers warnings

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Message-ID: <539EFDF9.8000708@roeck-us.net>
Date:	Mon, 16 Jun 2014 07:23:53 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Vincent Guittot <vincent.guittot@...aro.org>,
	Bart Van Assche <bvanassche@....org>
CC:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Suppress -Wignored-qualifiers warnings

On 06/16/2014 12:49 AM, Vincent Guittot wrote:
> Hi Bart,
>
> Guenter sent similar patch few days ago
> https://lkml.org/lkml/2014/6/12/743
> with additional patches for ARM and powerpc architecture
> https://lkml.org/lkml/2014/6/13/399
> https://lkml.org/lkml/2014/6/13/407
>

Still not applied, though, so maybe a few more submissions
until one of them is accepted won't hurt ;-).

Guenter

> Vincent
>
>
> On 14 June 2014 11:36, Bart Van Assche <bvanassche@....org> wrote:
>> Avoid that gcc reports the following warning when building with W=1:
>>
>> warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
>>
>> Signed-off-by: Bart Van Assche <bvanassche@....org>
>> Cc: Ingo Molnar <mingo@...nel.org>
>> Cc: Peter Zijlstra <peterz@...radead.org>
>> Cc: Vincent Guittot <vincent.guittot@...aro.org>
>> ---
>>   include/linux/sched.h | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/include/linux/sched.h b/include/linux/sched.h
>> index 306f4f0..0376b05 100644
>> --- a/include/linux/sched.h
>> +++ b/include/linux/sched.h
>> @@ -872,21 +872,21 @@ enum cpu_idle_type {
>>   #define SD_NUMA                        0x4000  /* cross-node balancing */
>>
>>   #ifdef CONFIG_SCHED_SMT
>> -static inline const int cpu_smt_flags(void)
>> +static inline int cpu_smt_flags(void)
>>   {
>>          return SD_SHARE_CPUCAPACITY | SD_SHARE_PKG_RESOURCES;
>>   }
>>   #endif
>>
>>   #ifdef CONFIG_SCHED_MC
>> -static inline const int cpu_core_flags(void)
>> +static inline int cpu_core_flags(void)
>>   {
>>          return SD_SHARE_PKG_RESOURCES;
>>   }
>>   #endif
>>
>>   #ifdef CONFIG_NUMA
>> -static inline const int cpu_numa_flags(void)
>> +static inline int cpu_numa_flags(void)
>>   {
>>          return SD_NUMA;
>>   }
>> @@ -999,7 +999,7 @@ void free_sched_domains(cpumask_var_t doms[], unsigned int ndoms);
>>   bool cpus_share_cache(int this_cpu, int that_cpu);
>>
>>   typedef const struct cpumask *(*sched_domain_mask_f)(int cpu);
>> -typedef const int (*sched_domain_flags_f)(void);
>> +typedef int (*sched_domain_flags_f)(void);
>>
>>   #define SDTL_OVERLAP   0x01
>>
>> --
>> 1.8.4.5
>>
>
>

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