linux-kernel - Re: [PATCH] compile time initialization for event flags value

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 26 Jan 2011 18:19:41 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Lai Jiangshan <laijs@...fujitsu.com>,
	Steven Rostedt <rostedt@...dmis.org>
Cc:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] compile time initialization for event flags value

On Wed, Jan 26, 2011 at 04:49:00PM +0800, Lai Jiangshan wrote:
> compile time initialization is better than runtime initialization.
> 
> impact: remove many early_initcall()s and many trace_init_flags_##name()s.
> 
> Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
> ---
> diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
> index 18cd068..ff074c8 100644
> --- a/include/linux/syscalls.h
> +++ b/include/linux/syscalls.h
> @@ -135,8 +135,8 @@ extern struct trace_event_functions exit_syscall_print_funcs;
>  		.class			= &event_class_syscall_enter,	\
>  		.event.funcs            = &enter_syscall_print_funcs,	\
>  		.data			= (void *)&__syscall_meta_##sname,\
> -	};								\
> -	__TRACE_EVENT_FLAGS(enter_##sname, TRACE_EVENT_FL_CAP_ANY)
> +		.flags			= TRACE_EVENT_FL_CAP_ANY,	\
> +	};
>  
>  #define SYSCALL_TRACE_EXIT_EVENT(sname)					\
>  	static struct syscall_metadata					\
> @@ -149,8 +149,8 @@ extern struct trace_event_functions exit_syscall_print_funcs;
>  		.class			= &event_class_syscall_exit,	\
>  		.event.funcs		= &exit_syscall_print_funcs,	\
>  		.data			= (void *)&__syscall_meta_##sname,\
> -	};								\
> -	__TRACE_EVENT_FLAGS(exit_##sname, TRACE_EVENT_FL_CAP_ANY)
> +		.flags			= TRACE_EVENT_FL_CAP_ANY,	\
> +	};
>  
>  #define SYSCALL_METADATA(sname, nb)				\
>  	SYSCALL_TRACE_ENTER_EVENT(sname);			\

Acked-by: Frederic Weisbecker <fweisbec@...il.com>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/