diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2022-09-24 03:04:41 +0300 |
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committer | Petr Mladek <pmladek@suse.com> | 2022-09-29 16:20:52 +0300 |
commit | 78ba392c84c74903b979c1ef5ded93430acd9ad6 (patch) | |
tree | 8771cdf3c77493714f65cfc0af68c802c06a54c3 /kernel/printk | |
parent | eb4531b346c93fd01edc0cb155330bbee102d0bd (diff) | |
download | linux-78ba392c84c74903b979c1ef5ded93430acd9ad6.tar.xz |
printk: Mark __printk percpu data ready __ro_after_init
This variable cannot change post boot.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220924000454.3319186-6-john.ogness@linutronix.de
Diffstat (limited to 'kernel/printk')
-rw-r--r-- | kernel/printk/printk.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 770511b89504..e4f1e7478b52 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -430,7 +430,7 @@ static struct printk_ringbuffer *prb = &printk_rb_static; * per_cpu_areas are initialised. This variable is set to true when * it's safe to access per-CPU data. */ -static bool __printk_percpu_data_ready __read_mostly; +static bool __printk_percpu_data_ready __ro_after_init; bool printk_percpu_data_ready(void) { |