Re: [rt-devel:linux-5.16.y-rt-rebase 8/132] kernel/printk/printk.c:2628:2: error: implicit declaration of function 'boot_delay_msec'

From: Sebastian Andrzej Siewior
Date: Wed Jan 26 2022 - 07:42:47 EST


On 2022-01-22 09:13:20 [+0800], kernel test robot wrote:

> kernel/printk/printk.c: In function 'console_emit_next_record':
> >> kernel/printk/printk.c:2628:2: error: implicit declaration of function 'boot_delay_msec' [-Werror=implicit-function-declaration]
> 2628 | boot_delay_msec(r.info->level);
> | ^~~~~~~~~~~~~~~
> >> kernel/printk/printk.c:2629:2: error: implicit declaration of function 'printk_delay'; did you mean 'print_dev_t'? [-Werror=implicit-function-declaration]
> 2629 | printk_delay();
> | ^~~~~~~~~~~~
> | print_dev_t
> cc1: some warnings being treated as errors

I'm going to fold this in:

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 60c351afe7aa0..ae0cccf66b3cb 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2265,6 +2265,8 @@ static void console_lock_spinning_enable(void) { }
static int console_lock_spinning_disable_and_check(void) { return 0; }
static void call_console_driver(struct console *con, const char *text, size_t len) {}
static bool suppress_message_printing(int level) { return false; }
+static inline void boot_delay_msec(int level) { }
+static inline void printk_delay(void) { }

#endif /* CONFIG_PRINTK */

Sebastian