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(parent: e43b49a) | patch
s390/ftrace: add ftrace_graph_is_dead() check
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 27 Oct 2014 14:49:06 +0000 (15:49 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 28 Oct 2014 08:24:12 +0000 (09:24 +0100)
commit6ed15ea67b5ebb13ececcfc6056d90a70ed96f7b
tree01aaf0d3563be76c5cb667e84523bcd70d3331b0tree | snapshot
parente43b49a0cb9c9ea958edcf7520aae2490549c68bcommit | diff
s390/ftrace: add ftrace_graph_is_dead() check

Add an ftrace_graph_is_dead() check to prepare_ftrace_return() in order to
detect an internal ftrace graph error. This allows to prevent further ftrace
graph handling and hopefully keeps the kernel alive.

This patch is the same like for all other architectures.
For unkown reasons s390 was left out.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/ftrace.c diff | blob | history
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