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Commit graph kernel_a52xq/kernel/stacktrace.c
Message SHA1
stacktrace: print_stack_trace() cleanup
- shorter code and better atomicity with regards to printk().

(It's been tested with the backtrace self-test code on i386 and x86_64.)

Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Vegard Nossum   authored and   Ingo Molnar   commited 2008-06-13 13:17:30 +02:00
a5a242dcee
stacktrace: don't crash on invalid stack trace structs
This patch makes the stacktrace printout code \warn when the entries
pointer is unset rather than crashing when trying to access it in an
attempt to make it a bit more robust.

I was saving a stacktrace into an skb and forgot to copy it across skb
copies... I have since fixed the code, but it would have been easier
had the kernel not crashed in an interrupt.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

Johannes Berg   authored and   Thomas Gleixner   commited 2008-05-24 01:16:38 +02:00
bfeeeeb991
[PATCH] lockdep: stacktrace subsystem, core
Framework to generate and save stacktraces quickly, without printing anything
to the console.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Ingo Molnar   authored and   Linus Torvalds   commited 2006-07-03 15:27:02 -07:00
8637c09901