Messages in this thread Patch in this message | | | Subject | [Patch] sysrq-show-output, kernel 2.4.17 | From | Harald Holzer <> | Date | 03 Jan 2002 00:25:06 +0100 |
| |
Sysrq-m didnt show memory information on the serial console.
This patch sets the console_loglevel to 7 before it calls show_mem, show_regs and show_state, to get the output.
Harald Holzer
--- linux-2.4.17/drivers/char/sysrq.c Fri Dec 21 18:41:54 2001 +++ linux/drivers/char/sysrq.c Tue Jan 1 21:18:24 2002 @@ -246,8 +246,14 @@ static void sysrq_handle_showregs(int key, struct pt_regs *pt_regs, struct kbd_struct *kbd, struct tty_struct *tty) { + int orig_loglevel; + if (pt_regs) + orig_loglevel = console_loglevel; + console_loglevel = 7; show_regs(pt_regs); + console_loglevel = orig_loglevel; + } static struct sysrq_key_op sysrq_showregs_op = { handler: sysrq_handle_showregs, @@ -258,7 +264,12 @@ static void sysrq_handle_showstate(int key, struct pt_regs *pt_regs, struct kbd_struct *kbd, struct tty_struct *tty) { + int orig_loglevel; + + orig_loglevel = console_loglevel; + console_loglevel = 7; show_state(); + console_loglevel = orig_loglevel; } static struct sysrq_key_op sysrq_showstate_op = { handler: sysrq_handle_showstate, @@ -269,7 +280,12 @@ static void sysrq_handle_showmem(int key, struct pt_regs *pt_regs, struct kbd_struct *kbd, struct tty_struct *tty) { + int orig_loglevel; + + orig_loglevel = console_loglevel; + console_loglevel = 7; show_mem(); + console_loglevel = orig_loglevel; } static struct sysrq_key_op sysrq_showmem_op = { handler: sysrq_handle_showmem, | |