linux-kernel - Re: [RFC 01/14] task_stack.h: remove obsolete __HAVE_ARCH_KSTACK

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Date: Sun, 17 Mar 2024 15:36:19 +0100
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Pasha Tatashin <pasha.tatashin@...een.com>, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, akpm@...ux-foundation.org, x86@...nel.org, bp@...en8.de,
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 dave.hansen@...ux.intel.com, dianders@...omium.org,
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Subject: Re: [RFC 01/14] task_stack.h: remove obsolete __HAVE_ARCH_KSTACK_END
 check

Le 11/03/2024 à 17:46, Pasha Tatashin a écrit :
> Remove __HAVE_ARCH_KSTACK_END as it has been osolete since removal of
> metag architecture in v4.17.

Nit: obsolete

> 
> Signed-off-by: Pasha Tatashin <pasha.tatashin@...een.com>
> ---
>   include/linux/sched/task_stack.h | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
> index ccd72b978e1f..860faea06883 100644
> --- a/include/linux/sched/task_stack.h
> +++ b/include/linux/sched/task_stack.h
> @@ -116,7 +116,6 @@ static inline unsigned long stack_not_used(struct task_struct *p)
>   #endif
>   extern void set_task_stack_end_magic(struct task_struct *tsk);
>   
> -#ifndef __HAVE_ARCH_KSTACK_END
>   static inline int kstack_end(void *addr)
>   {
>   	/* Reliable end of stack detection:
> @@ -124,6 +123,5 @@ static inline int kstack_end(void *addr)
>   	 */
>   	return !(((unsigned long)addr+sizeof(void*)-1) & (THREAD_SIZE-sizeof(void*)));
>   }
> -#endif
>   
>   #endif /* _LINUX_SCHED_TASK_STACK_H */