linux-kernel - [PATCH security-next v5 04/30] LSM: Remove initcall tracing

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Message-Id: <20181011001846.30964-5-keescook@chromium.org>
Date:   Wed, 10 Oct 2018 17:18:20 -0700
From:   Kees Cook <keescook@...omium.org>
To:     James Morris <jmorris@...ei.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        John Johansen <john.johansen@...onical.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        Paul Moore <paul@...l-moore.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Jordan Glover <Golden_Miller83@...tonmail.ch>,
        LSM <linux-security-module@...r.kernel.org>,
        linux-doc@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH security-next v5 04/30] LSM: Remove initcall tracing

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.

Signed-off-by: Kees Cook <keescook@...omium.org>
Reviewed-by: Casey Schaufler <casey@...aufler-ca.com>
Reviewed-by: James Morris <james.morris@...rosoft.com>
---
 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++;
 	}
 }
-- 
2.17.1