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From: Steven Rostedt <rostedt@goodmis.org>
To: Kees Cook <keescook@chromium.org>
Cc: James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	Abderrahmane Benbachir <abderrahmane.benbachir@polymtl.ca>,
	linux-security-module@vger.kernel.org,
	Casey Schaufler <casey@schaufler-ca.com>,
	John Johansen <john.johansen@canonical.com>,
	Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
	Paul Moore <paul@paul-moore.com>,
	Stephen Smalley <sds@tycho.nsa.gov>,
	"Schaufler, Casey" <casey.schaufler@intel.com>,
	Jonathan Corbet <corbet@lwn.net>,
	linux-doc@vger.kernel.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH security-next v3 04/29] LSM: Remove initcall tracing
Date: Wed, 26 Sep 2018 12:35:22 -0400	[thread overview]
Message-ID: <20180926123522.4080d9eb@vmware.local.home> (raw)
In-Reply-To: <20180925001832.18322-5-keescook@chromium.org>

On Mon, 24 Sep 2018 17:18:07 -0700
Kees Cook <keescook@chromium.org> wrote:

> This partially reverts commit 58eacfffc417 ("init, tracing: instrument
> security and console initcall trace events") since security init calls
> are about to no longer resemble regular init calls.

I'm not against the change, but how much are they going to "no longer
resemble regular init calls"?

-- Steve

> 
> Cc: James Morris <jmorris@namei.org>
> Cc: "Serge E. Hallyn" <serge@hallyn.com>
> Cc: Abderrahmane Benbachir <abderrahmane.benbachir@polymtl.ca>
> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
> Cc: linux-security-module@vger.kernel.org
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
>  security/security.c | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)
> 
> diff --git a/security/security.c b/security/security.c
> index 892fe6b691cf..41a5da2c7faf 100644
> --- a/security/security.c
> +++ b/security/security.c
> @@ -30,8 +30,6 @@
>  #include <linux/string.h>
>  #include <net/flow.h>
>  
> -#include <trace/events/initcall.h>
> -
>  #define MAX_LSM_EVM_XATTR	2
>  
>  /* Maximum number of letters for an LSM name string */
> @@ -47,17 +45,13 @@ static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
>  
>  static void __init do_security_initcalls(void)
>  {
> -	int ret;
>  	initcall_t call;
>  	initcall_entry_t *ce;
>  
>  	ce = __start_lsm_info;
> -	trace_initcall_level("security");
>  	while (ce < __end_lsm_info) {
>  		call = initcall_from_entry(ce);
> -		trace_initcall_start(call);
> -		ret = call();
> -		trace_initcall_finish(call, ret);
> +		call();
>  		ce++;
>  	}
>  }


  reply	other threads:[~2018-09-26 16:35 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-25  0:18 [PATCH security-next v3 00/29] LSM: Explict LSM ordering Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 01/29] LSM: Correctly announce start of LSM initialization Kees Cook
2018-10-01 19:53   ` James Morris
2018-10-01 21:05   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 02/29] vmlinux.lds.h: Avoid copy/paste of security_init section Kees Cook
2018-10-01 19:56   ` James Morris
2018-10-01 21:05   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 03/29] LSM: Rename .security_initcall section to .lsm_info Kees Cook
2018-10-01 19:57   ` James Morris
2018-10-01 21:06   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 04/29] LSM: Remove initcall tracing Kees Cook
2018-09-26 16:35   ` Steven Rostedt [this message]
2018-09-26 18:35     ` Kees Cook
2018-09-30 23:25       ` Steven Rostedt
2018-10-01  1:01         ` Kees Cook
2018-10-01 21:07   ` John Johansen
2018-10-01 21:23     ` Steven Rostedt
2018-10-01 22:38       ` Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 05/29] LSM: Convert from initcall to struct lsm_info Kees Cook
2018-10-01 19:59   ` James Morris
2018-10-01 21:08   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 06/29] vmlinux.lds.h: Move LSM_TABLE into INIT_DATA Kees Cook
2018-10-01 21:10   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 07/29] LSM: Convert security_initcall() into DEFINE_LSM() Kees Cook
2018-10-01 21:12   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 08/29] LSM: Record LSM name in struct lsm_info Kees Cook
2018-10-01 21:13   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 09/29] LSM: Provide init debugging infrastructure Kees Cook
2018-10-01 21:14   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 10/29] LSM: Don't ignore initialization failures Kees Cook
2018-10-01 21:14   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 11/29] LSM: Introduce LSM_FLAG_LEGACY_MAJOR Kees Cook
2018-10-01 21:15   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 12/29] LSM: Provide separate ordered initialization Kees Cook
2018-10-01 21:17   ` John Johansen
2018-10-01 22:03     ` Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 13/29] LoadPin: Rename "enable" to "enforce" Kees Cook
2018-10-01 21:17   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 14/29] LSM: Plumb visibility into optional "enabled" state Kees Cook
2018-10-01 21:18   ` John Johansen
2018-10-01 21:47   ` James Morris
2018-10-01 21:56     ` Kees Cook
2018-10-01 22:20       ` John Johansen
2018-10-01 22:29         ` Kees Cook
2018-10-01 22:53           ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 15/29] LSM: Lift LSM selection out of individual LSMs Kees Cook
2018-10-01 21:18   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 16/29] LSM: Prepare for arbitrary LSM enabling Kees Cook
2018-10-01 21:22   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 17/29] LSM: Introduce CONFIG_LSM_ENABLE Kees Cook
2018-10-01 21:34   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 18/29] LSM: Introduce lsm.enable= and lsm.disable= Kees Cook
2018-10-01 21:46   ` John Johansen
2018-10-01 22:27     ` Kees Cook
2018-10-01 22:48       ` John Johansen
2018-10-01 23:30         ` Kees Cook
2018-10-01 23:38           ` Kees Cook
2018-10-01 23:57             ` John Johansen
2018-10-01 23:44           ` John Johansen
2018-10-01 23:49             ` Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 19/29] LSM: Prepare for reorganizing "security=" logic Kees Cook
2018-10-01 21:47   ` John Johansen
2018-09-25  0:18 ` [PATCH security-next v3 20/29] LSM: Refactor "security=" in terms of enable/disable Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 21/29] LSM: Build ordered list of ordered LSMs for init Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 22/29] LSM: Introduce CONFIG_LSM_ORDER Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 23/29] LSM: Introduce "lsm.order=" for boottime ordering Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 24/29] LoadPin: Initialize as ordered LSM Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 25/29] Yama: " Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 26/29] LSM: Introduce enum lsm_order Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 27/29] capability: Initialize as LSM_ORDER_FIRST Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 28/29] LSM: Separate idea of "major" LSM from "exclusive" LSM Kees Cook
2018-09-25  0:18 ` [PATCH security-next v3 29/29] LSM: Add all exclusive LSMs to ordered initialization Kees Cook
2018-09-28 15:55 ` [PATCH security-next v3 00/29] LSM: Explict LSM ordering Casey Schaufler
2018-09-28 20:01   ` Kees Cook
2018-09-28 20:25     ` Stephen Smalley
2018-09-28 20:33       ` Stephen Smalley
2018-09-28 20:54         ` Kees Cook
2018-09-29 10:48     ` Tetsuo Handa
2018-09-29 18:18       ` Kees Cook
2018-09-30  2:36         ` Tetsuo Handa
2018-09-30 16:57           ` Kees Cook
2018-09-29 18:19       ` John Johansen

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