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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2018-08-22 06:56:13 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 19:52:47 +0200
commit1b1eeca7e4c19fa76d409d4c7b338dba21f2df45 (patch)
tree6443f1ee2cdc661123076f02bda70dc25852045e /kernel/printk/printk.c
parentmodule: use relative references for __ksymtab entries (diff)
downloadlinux-1b1eeca7e4c19fa76d409d4c7b338dba21f2df45.tar.xz
linux-1b1eeca7e4c19fa76d409d4c7b338dba21f2df45.zip
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/printk.c')
-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++;
}
}