[Patch] Corrected, sysrq-show-output, kernel 2.4.17

From: Harald Holzer (harald.holzer@eunet.at)
Date: Thu Jan 03 2002 - 14:06:14 EST


Sorry, i forgot a pair of {} in sysrq_handle_showregs.

I should stop programming python ;-)

Harald Holzer

-----Forwarded Message-----

From: Helge Deller <deller@gmx.de>
To: Harald Holzer <harald.holzer@eunet.at>
Subject: Re: [Patch] sysrq-show-output, kernel 2.4.17
Date: 03 Jan 2002 08:45:36 +0100

On Thursday 03 January 2002 00:25, Harald Holzer wrote:
> 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

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;
 +
  }

Hi Harald,
I think you misssed a pair of { ... } here...

Helge


--- linux-2.4.17/drivers/char/sysrq.c Thu Jan 3 18:28:59 2002
+++ linux/drivers/char/sysrq.c Thu Jan 3 18:29:54 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) {
- if (pt_regs)
+ 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,

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