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powerpc/ftrace: Use patch_instruction instead of probe_kernel_write()
authorSteven Rostedt <srostedt@redhat.com>
Thu, 26 Apr 2012 08:31:19 +0000 (08:31 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 3 Jul 2012 04:14:39 +0000 (14:14 +1000)
The patch_instruction() interface is made to modify kernel text. It is
safer to use that then the probe_kernel_write() when modifying kernel
code.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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