[PATCH] powerpc/qspinlock: Fix 32-bit build

[Nicholas Piggin]

Some 32-bit configurations don't pull in the spin_begin/end/relax
definitions. Fix is to restore a lost include.

Reported-by: kernel test robot <lkp at intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202212050224.i7uh9fOh-lkp@intel.com
Fixes: 84990b169557 ("powerpc/qspinlock: add mcs queueing for contended waiters")
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 arch/powerpc/lib/qspinlock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/lib/qspinlock.c b/arch/powerpc/lib/qspinlock.c
index 2eab84774911..c81fe8fff2b2 100644
--- a/arch/powerpc/lib/qspinlock.c
+++ b/arch/powerpc/lib/qspinlock.c
@@ -3,6 +3,7 @@
 #include <linux/compiler.h>
 #include <linux/export.h>
 #include <linux/percpu.h>
+#include <linux/processor.h>
 #include <linux/smp.h>
 #include <linux/topology.h>
 #include <linux/sched/clock.h>
-- 
2.37.2