powerpc: Add PPC_NOP_INSTR, a hash define for the preferred nop instruction

A bunch of code has hard-coded the value for a "nop" instruction, it
would be nice to have a #define for it.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index f8deb3761de4..ba5b23f54764 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 
 #include <asm/oprofile_impl.h>
+#include <asm/code-patching.h>
 #include <asm/cputable.h>
 #include <asm/prom.h>           /* for PTRRELOC on ARCH=ppc */
 
@@ -1663,7 +1664,7 @@ void do_feature_fixups(unsigned long value, void *fixup_start, void *fixup_end)
                 pend = ((unsigned int *)fcur) + (fcur->end_off / 4);
 
                 for (p = pstart; p < pend; p++) {
-                        *p = 0x60000000u;
+                        *p = PPC_NOP_INSTR;
                         asm volatile ("dcbst 0, %0" : : "r" (p));
                 }
                 asm volatile ("sync" : : : "memory");