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powerpc: Make ftrace endian-safe.
authorEugene Surovegin <ebs@ebshome.net>
Fri, 20 Sep 2013 18:42:21 +0000 (11:42 -0700)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 11 Oct 2013 05:53:26 +0000 (16:53 +1100)
Signed-off-by: Eugene Surovegin <surovegin@google.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/ftrace.c patch | blob | blame | history

diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 1fb78561096accfff7e60062a4fbc0bddfcfec55..9b27b293a9226903c81529a4f01aee64a7f07d23 100644 (file)
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -174,7 +174,11 @@ __ftrace_make_nop(struct module *mod,
 
        pr_devel(" %08x %08x\n", jmp[0], jmp[1]);
 
+#ifdef __LITTLE_ENDIAN__
+       ptr = ((unsigned long)jmp[1] << 32) + jmp[0];
+#else
        ptr = ((unsigned long)jmp[0] << 32) + jmp[1];
+#endif
 
        /* This should match what was called */
        if (ptr != ppc_function_entry((void *)addr)) {