The patch titled
sysrq: add commentary on why we use the console loglevel over using KERN_EMERG
has been removed from the -mm tree. Its filename was
sysrq-add-commentary-on-why-we-use-the-console-loglevel-over-using-kern_emerg.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: sysrq: add commentary on why we use the console loglevel over using KERN_EMERG
From: Andy Whitcroft <apw@xxxxxxxxxxxxx>
Add an explanitory comment as to why we modify the kernel console loglevel
rather than simply moving sysrq messages to KERN_EMERG level.
Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxxx>
Cc: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/sysrq.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN drivers/char/sysrq.c~sysrq-add-commentary-on-why-we-use-the-console-loglevel-over-using-kern_emerg drivers/char/sysrq.c
--- a/drivers/char/sysrq.c~sysrq-add-commentary-on-why-we-use-the-console-loglevel-over-using-kern_emerg
+++ a/drivers/char/sysrq.c
@@ -473,6 +473,12 @@ void __handle_sysrq(int key, struct tty_
unsigned long flags;
spin_lock_irqsave(&sysrq_key_table_lock, flags);
+ /*
+ * Raise the apparent loglevel to maximum so that the sysrq header
+ * is shown to provide the user with positive feedback. We do not
+ * simply emit this at KERN_EMERG as that would change message
+ * routing in the consumers of /proc/kmsg.
+ */
orig_log_level = console_loglevel;
console_loglevel = 7;
printk(KERN_INFO "SysRq : ");
_
Patches currently in -mm which might be from apw@xxxxxxxxxxxxx are
origin.patch
mmc-add-modalias-linkage-for-mmc-sd-devices.patch
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