mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-22 18:41:06 +00:00
7d7c056828
console_drivers is kind of (semi-)private variable to the console code. Direct use of it make us stuck with it being exported here and there. Reduce use of console_drivers by replacing it with for_each_console(). Cc: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Richard Weinberger <richard@nod.at>
43 lines
827 B
C
43 lines
827 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/kmsg_dump.h>
|
|
#include <linux/console.h>
|
|
#include <shared/init.h>
|
|
#include <shared/kern.h>
|
|
#include <os.h>
|
|
|
|
static void kmsg_dumper_stdout(struct kmsg_dumper *dumper,
|
|
enum kmsg_dump_reason reason)
|
|
{
|
|
static char line[1024];
|
|
struct console *con;
|
|
size_t len = 0;
|
|
|
|
/* only dump kmsg when no console is available */
|
|
if (!console_trylock())
|
|
return;
|
|
|
|
for_each_console(con)
|
|
break;
|
|
|
|
console_unlock();
|
|
|
|
if (con)
|
|
return;
|
|
|
|
printf("kmsg_dump:\n");
|
|
while (kmsg_dump_get_line(dumper, true, line, sizeof(line), &len)) {
|
|
line[len] = '\0';
|
|
printf("%s", line);
|
|
}
|
|
}
|
|
|
|
static struct kmsg_dumper kmsg_dumper = {
|
|
.dump = kmsg_dumper_stdout
|
|
};
|
|
|
|
int __init kmsg_dumper_stdout_init(void)
|
|
{
|
|
return kmsg_dump_register(&kmsg_dumper);
|
|
}
|
|
|
|
__uml_postsetup(kmsg_dumper_stdout_init);
|