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sysrq,kdb: Use __handle_sysrq() for kdb's sysrq function 

The kdb code should not toggle the sysrq state in case an end user
wants to try and resume the normal kernel execution.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Jason Wessel 2010-07-21 19:27:07 -05:00
parent b0679c63db
commit edd63cb6b9
3 changed files with 3 additions and 3 deletions
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2
drivers/char/sysrq.c
View File

@ -493,7 +493,7 @@ static void __sysrq_put_key_op(int key, struct sysrq_key_op *op_p)
sysrq_key_table[i] = op_p; sysrq_key_table[i] = op_p;
} }
static void __handle_sysrq(int key, struct tty_struct *tty, int check_mask) void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
{ {
struct sysrq_key_op *op_p; struct sysrq_key_op *op_p;
int orig_log_level; int orig_log_level;

1
include/linux/sysrq.h
View File

@ -45,6 +45,7 @@ struct sysrq_key_op {
*/ */
void handle_sysrq(int key, struct tty_struct *tty); void handle_sysrq(int key, struct tty_struct *tty);
void __handle_sysrq(int key, struct tty_struct *tty, int check_mask);
int register_sysrq_key(int key, struct sysrq_key_op *op); int register_sysrq_key(int key, struct sysrq_key_op *op);
int unregister_sysrq_key(int key, struct sysrq_key_op *op); int unregister_sysrq_key(int key, struct sysrq_key_op *op);
struct sysrq_key_op *__sysrq_get_key_op(int key); struct sysrq_key_op *__sysrq_get_key_op(int key);

3
kernel/debug/kdb/kdb_main.c
View File

@ -1820,9 +1820,8 @@ static int kdb_sr(int argc, const char **argv)
{ {
if (argc != 1) if (argc != 1)
return KDB_ARGCOUNT; return KDB_ARGCOUNT;
sysrq_toggle_support(1);
kdb_trap_printk++; kdb_trap_printk++;
handle_sysrq(*argv[1], NULL); __handle_sysrq(*argv[1], NULL, 0);
kdb_trap_printk--; kdb_trap_printk--;
return 0; return 0;