ftrace: add checks on ret stack in function graph
authorSteven Rostedt <srostedt@redhat.com>
Wed, 3 Dec 2008 04:50:06 +0000 (23:50 -0500)
committerIngo Molnar <mingo@elte.hu>
Wed, 3 Dec 2008 07:56:27 +0000 (08:56 +0100)
commit62679efe0a5f02987a621942afc5979a80a6ca5a
tree6d10f9e3f8804ee6414f672695b4f15f78377c21
parente49dc19c6a19ea112fcb94b7c62ec62cdd5c08aa
ftrace: add checks on ret stack in function graph

Import: robustness checks

Add more checks in the function graph code to detect errors and
perhaps print out better information if a bug happens.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/ftrace.c