linux-kernel - Re: [PATCH] sched: Add __ASSEMBLY__ guards around struct clone

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Date:   Tue, 17 Sep 2019 09:49:09 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Seth Forshee <seth.forshee@...onical.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Christian Brauner <christian@...uner.io>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: Add __ASSEMBLY__ guards around struct clone_args


* Seth Forshee <seth.forshee@...onical.com> wrote:

> The addition of struct clone_args to uapi/linux/sched.h is not
> protected by __ASSEMBLY__ guards, causing a FTBFS for glibc on
> RISC-V. Add the guards to fix this.
> 
> Fixes: 7f192e3cd316 ("fork: add clone3")
> Signed-off-by: Seth Forshee <seth.forshee@...onical.com>
> ---
>  include/uapi/linux/sched.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h
> index b3105ac1381a..851ff1feadd5 100644
> --- a/include/uapi/linux/sched.h
> +++ b/include/uapi/linux/sched.h
> @@ -33,6 +33,7 @@
>  #define CLONE_NEWNET		0x40000000	/* New network namespace */
>  #define CLONE_IO		0x80000000	/* Clone io context */
>  
> +#ifndef __ASSEMBLY__
>  /*
>   * Arguments for the clone3 syscall
>   */
> @@ -46,6 +47,7 @@ struct clone_args {
>  	__aligned_u64 stack_size;
>  	__aligned_u64 tls;
>  };
> +#endif

Acked-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo