linux-kernel - Re: [PATCH v6 2/9] kernel: entry: Support TIF_SYSCAL

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Message-ID: <20200911093549.GE1362448@hirez.programming.kicks-ass.net>
Date:   Fri, 11 Sep 2020 11:35:49 +0200
From:   peterz@...radead.org
To:     Gabriel Krisman Bertazi <krisman@...labora.com>
Cc:     luto@...nel.org, tglx@...utronix.de, keescook@...omium.org,
        x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-api@...r.kernel.org, willy@...radead.org,
        linux-kselftest@...r.kernel.org, shuah@...nel.org,
        kernel@...labora.com
Subject: Re: [PATCH v6 2/9] kernel: entry: Support TIF_SYSCAL_INTERCEPT on
 common entry code

On Fri, Sep 04, 2020 at 04:31:40PM -0400, Gabriel Krisman Bertazi wrote:
> diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h
> index efebbffcd5cc..72ce9ca860c6 100644
> --- a/include/linux/entry-common.h
> +++ b/include/linux/entry-common.h
> @@ -21,10 +21,6 @@
>  # define _TIF_SYSCALL_TRACEPOINT	(0)
>  #endif
>  
> -#ifndef _TIF_SECCOMP
> -# define _TIF_SECCOMP			(0)
> -#endif
> -
>  #ifndef _TIF_SYSCALL_AUDIT
>  # define _TIF_SYSCALL_AUDIT		(0)
>  #endif

Why doesn't this add:

#ifndef _TIF_SYSCALL_INTERCEPT
#define _TIF_SYSCALL_INTERCEPT		(0)
#endif

?