[PATCH 2/2] powerpc: make ftrace endian-safe.

Eugene Surovegin ebs at ebshome.net
Sat Sep 21 04:42:21 EST 2013


Signed-off-by: Eugene Surovegin <surovegin at google.com>
---
 arch/powerpc/kernel/ftrace.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 1fb7856..9b27b29 100644
--- 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)) {
-- 
1.8.1.5



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