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printk: export symbols for debug modules 

the module is out-of-tree, it saves kernel logs when panic

Signed-off-by: Enlin Mu <enlin.mu@unisoc.com>
Acked-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20230815020711.2604939-1-yunlong.xing@unisoc.com
This commit is contained in:
Enlin Mu 2023-08-15 10:07:11 +08:00 committed by Petr Mladek
parent 92382d7441
commit 3e00123a13
1 changed files with 2 additions and 0 deletions
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2
kernel/printk/printk.c
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@ -536,12 +536,14 @@ char *log_buf_addr_get(void)
{
return log_buf;
}
EXPORT_SYMBOL_GPL(log_buf_addr_get);
/* Return log buffer size */
u32 log_buf_len_get(void)
{
return log_buf_len;
}
EXPORT_SYMBOL_GPL(log_buf_len_get);
/*
* Define how much of the log buffer we could take at maximum. The value