linux-kernel - Re: [PATCH] powerpc/process: Remove unneccessary #ifdef CONFIG_PPC64 in copy_thread

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Date:   Wed, 29 Jan 2020 22:05:43 +0100
From:   Michal Suchánek <msuchanek@...e.de>
To:     Christophe Leroy <christophe.leroy@....fr>
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/process: Remove unneccessary #ifdef CONFIG_PPC64
 in copy_thread_tls()

On Wed, Jan 29, 2020 at 07:50:07PM +0000, Christophe Leroy wrote:
> is_32bit_task() exists on both PPC64 and PPC32, no need of an ifdefery.
> 
> Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
> ---
>  arch/powerpc/kernel/process.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
> index fad50db9dcf2..e730b8e522b0 100644
> --- a/arch/powerpc/kernel/process.c
> +++ b/arch/powerpc/kernel/process.c
> @@ -1634,11 +1634,9 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long usp,
>  		p->thread.regs = childregs;
>  		childregs->gpr[3] = 0;  /* Result from fork() */
>  		if (clone_flags & CLONE_SETTLS) {
> -#ifdef CONFIG_PPC64
>  			if (!is_32bit_task())
>  				childregs->gpr[13] = tls;
>  			else
> -#endif
>  				childregs->gpr[2] = tls;
>  		}
>  

Reviewed-by: Michal Suchanek <msuchanek@...e.de>

Thanks

Michal