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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-10-08 10:03:08 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2014-10-09 09:14:20 +0200
commit0cccdda8d1512af4d3f6913044e8c8e58e15ef37 (patch)
tree8e93043ede994d899a625819cb871684f2cfe1a9 /scripts
parent53255c9a4dade6ff2162121430d13aaadb38a69c (diff)
downloadlinux-0cccdda8d1512af4d3f6913044e8c8e58e15ef37.tar.gz
s390/ftrace: simplify enabling/disabling of ftrace_graph_caller
We can simply patch the mask field within the branch relative on condition instruction at the beginning of the ftrace_graph_caller code block. This makes the logic even simpler and we get rid of the displacement calculation. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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