From: Eugene Surovegin <ebs@ebshome.net>
Date: Fri, 20 Sep 2013 18:42:21 +0000 (-0700)
Subject: powerpc: Make ftrace endian-safe.
X-Git-Tag: firefly_0821_release~176^2~4907^2~70
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=306474304fdfe3723562a02226c0a44e8078d3a0;p=firefly-linux-kernel-4.4.55.git

powerpc: Make ftrace endian-safe.

Signed-off-by: Eugene Surovegin <surovegin@google.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 1fb78561096a..9b27b293a922 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)) {