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authorRusty Russell <rusty@rustcorp.com.au>2008-12-30 08:02:35 +1030
committerRusty Russell <rusty@rustcorp.com.au>2008-12-30 08:02:35 +1030
commit33edcf133ba93ecba2e4b6472e97b689895d805c (patch)
tree327d7a20acef64005e7c5ccbfa1265be28aeb6ac /init
parentbe4d638c1597580ed2294d899d9f1a2cd10e462c (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
downloadlinux-33edcf133ba93ecba2e4b6472e97b689895d805c.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig8
-rw-r--r--init/main.c36
2 files changed, 29 insertions, 15 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 7656623f5006..8e9904fc3024 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -588,6 +588,13 @@ config KALLSYMS_ALL
 
 	   Say N.
 
+config KALLSYMS_STRIP_GENERATED
+	bool "Strip machine generated symbols from kallsyms"
+	depends on KALLSYMS_ALL
+	default y
+	help
+	  Say N if you want kallsyms to retain even machine generated symbols.
+
 config KALLSYMS_EXTRA_PASS
 	bool "Do an extra kallsyms pass"
 	depends on KALLSYMS
@@ -808,6 +815,7 @@ config TRACEPOINTS
 
 config MARKERS
 	bool "Activate markers"
+	depends on TRACEPOINTS
 	help
 	  Place an empty function call at each marker site. Can be
 	  dynamically changed for a probe function.
diff --git a/init/main.c b/init/main.c
index 7e117a231af1..17e9757bfde2 100644
--- a/init/main.c
+++ b/init/main.c
@@ -63,6 +63,7 @@
 #include <linux/signal.h>
 #include <linux/idr.h>
 #include <linux/ftrace.h>
+#include <trace/boot.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -669,6 +670,7 @@ asmlinkage void __init start_kernel(void)
 		efi_enter_virtual_mode();
 #endif
 	thread_info_cache_init();
+	cred_init();
 	fork_init(num_physpages);
 	proc_caches_init();
 	buffer_init();
@@ -703,31 +705,35 @@ core_param(initcall_debug, initcall_debug, bool, 0644);
 int do_one_initcall(initcall_t fn)
 {
 	int count = preempt_count();
-	ktime_t delta;
+	ktime_t calltime, delta, rettime;
 	char msgbuf[64];
-	struct boot_trace it;
+	struct boot_trace_call call;
+	struct boot_trace_ret ret;
 
 	if (initcall_debug) {
-		it.caller = task_pid_nr(current);
-		printk("calling  %pF @ %i\n", fn, it.caller);
-		it.calltime = ktime_get();
+		call.caller = task_pid_nr(current);
+		printk("calling  %pF @ %i\n", fn, call.caller);
+		calltime = ktime_get();
+		trace_boot_call(&call, fn);
+		enable_boot_trace();
 	}
 
-	it.result = fn();
+	ret.result = fn();
 
 	if (initcall_debug) {
-		it.rettime = ktime_get();
-		delta = ktime_sub(it.rettime, it.calltime);
-		it.duration = (unsigned long long) delta.tv64 >> 10;
+		disable_boot_trace();
+		rettime = ktime_get();
+		delta = ktime_sub(rettime, calltime);
+		ret.duration = (unsigned long long) ktime_to_ns(delta) >> 10;
+		trace_boot_ret(&ret, fn);
 		printk("initcall %pF returned %d after %Ld usecs\n", fn,
-			it.result, it.duration);
-		trace_boot(&it, fn);
+			ret.result, ret.duration);
 	}
 
 	msgbuf[0] = 0;
 
-	if (it.result && it.result != -ENODEV && initcall_debug)
-		sprintf(msgbuf, "error code %d ", it.result);
+	if (ret.result && ret.result != -ENODEV && initcall_debug)
+		sprintf(msgbuf, "error code %d ", ret.result);
 
 	if (preempt_count() != count) {
 		strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
@@ -741,7 +747,7 @@ int do_one_initcall(initcall_t fn)
 		printk("initcall %pF returned with %s\n", fn, msgbuf);
 	}
 
-	return it.result;
+	return ret.result;
 }
 
 
@@ -882,7 +888,7 @@ static int __init kernel_init(void * unused)
 	 * we're essentially up and running. Get rid of the
 	 * initmem segments and start the user-mode stuff..
 	 */
-	stop_boot_trace();
+
 	init_post();
 	return 0;
 }