summary refs log tree commit diff
path: root/kernel/printk
diff options
context:
space:
mode:
authorArd Biesheuvel <ard.biesheuvel@linaro.org>2018-08-21 21:56:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 10:52:47 -0700
commit1b1eeca7e4c19fa76d409d4c7b338dba21f2df45 (patch)
tree6443f1ee2cdc661123076f02bda70dc25852045e /kernel/printk
parent7290d58095712a89f845e1bca05334796dd49ed2 (diff)
downloadlinux-1b1eeca7e4c19fa76d409d4c7b338dba21f2df45.tar.gz
init: allow initcall tables to be emitted using relative references
Allow the initcall tables to be emitted using relative references that
are only half the size on 64-bit architectures and don't require fixups
at runtime on relocatable kernels.

Link: http://lkml.kernel.org/r/20180704083651.24360-5-ard.biesheuvel@linaro.org
Acked-by: James Morris <james.morris@microsoft.com>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Petr Mladek <pmladek@suse.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: James Morris <jmorris@namei.org>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Nicolas Pitre <nico@linaro.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Garnier <thgarnie@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/printk')
-rw-r--r--kernel/printk/printk.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 90b6ab01db59..918f386b2f6e 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2788,7 +2788,8 @@ EXPORT_SYMBOL(unregister_console);
 void __init console_init(void)
 {
 	int ret;
-	initcall_t *call;
+	initcall_t call;
+	initcall_entry_t *ce;
 
 	/* Setup the default TTY line discipline. */
 	n_tty_init();
@@ -2797,13 +2798,14 @@ void __init console_init(void)
 	 * set up the console device so that later boot sequences can
 	 * inform about problems etc..
 	 */
-	call = __con_initcall_start;
+	ce = __con_initcall_start;
 	trace_initcall_level("console");
-	while (call < __con_initcall_end) {
-		trace_initcall_start((*call));
-		ret = (*call)();
-		trace_initcall_finish((*call), ret);
-		call++;
+	while (ce < __con_initcall_end) {
+		call = initcall_from_entry(ce);
+		trace_initcall_start(call);
+		ret = call();
+		trace_initcall_finish(call, ret);
+		ce++;
 	}
 }