Re: [PATCH] kernel: exit: cleanup release_thread()

From: Stafford Horne <shorne@gmail.com>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Richard Henderson <richard.henderson@linaro.org>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	Matt Turner <mattst88@gmail.com>,
	Vineet Gupta <vgupta@kernel.org>,
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	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
	Brian Cain <bcain@quicinc.com>,
	Huacai Chen <chenhuacai@kernel.org>,
	WANG Xuerui <kernel@xen0n.name>,
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Subject: Re: [PATCH] kernel: exit: cleanup release_thread()
Date: Sun, 21 Aug 2022 17:42:51 +0000	[thread overview]
Message-ID: <YwJum2c1I8JhY0B8@oscomms1> (raw)
In-Reply-To: <20220819014406.32266-1-wangkefeng.wang@huawei.com>

On Fri, Aug 19, 2022 at 09:44:06AM +0800, Kefeng Wang wrote:
> Only x86 has own release_thread(), introduce a new weak
> release_thread() function to clean empty definitions in
> other ARCHs.
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
> ---

>  arch/openrisc/include/asm/processor.h   | 1 -
>  arch/openrisc/kernel/process.c          | 4 ----

> diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h
> index aa1699c18add..ed9efb430afa 100644
> --- a/arch/openrisc/include/asm/processor.h
> +++ b/arch/openrisc/include/asm/processor.h
> @@ -72,7 +72,6 @@ struct thread_struct {
>  
>  
>  void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp);
> -void release_thread(struct task_struct *);
>  unsigned long __get_wchan(struct task_struct *p);
>  
>  #define cpu_relax()     barrier()
> diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c
> index 52dc983ddeba..f94b5ec06786 100644
> --- a/arch/openrisc/kernel/process.c
> +++ b/arch/openrisc/kernel/process.c
> @@ -125,10 +125,6 @@ void show_regs(struct pt_regs *regs)
>  	show_registers(regs);
>  }
>  
> -void release_thread(struct task_struct *dead_task)
> -{
> -}
> -
>  /*
>   * Copy the thread-specific (arch specific) info from the current
>   * process to the new one p

For OpenRISC bits.

Acked-by: Stafford Horne <shorne@gmail.com>