printk: export symbols for debug modules

muenlin · pmladek · commit 3e00123a13d8 · 2023-08-16T17:06:38.000+02:00
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
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
@@ -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

Original file line number	Diff line number	Diff line change
`@@ -536,12 +536,14 @@ char *log_buf_addr_get(void)`
`536`	`536`	`{`
`537`	`537`	`return log_buf;`
`538`	`538`	`}`
	`539`	`+EXPORT_SYMBOL_GPL(log_buf_addr_get);`
`539`	`540`
`540`	`541`	`/* Return log buffer size */`
`541`	`542`	`u32 log_buf_len_get(void)`
`542`	`543`	`{`
`543`	`544`	`return log_buf_len;`
`544`	`545`	`}`
	`546`	`+EXPORT_SYMBOL_GPL(log_buf_len_get);`
`545`	`547`
`546`	`548`	`/*`
`547`	`549`	`* Define how much of the log buffer we could take at maximum. The value`