powerpc/qspinlock: Fix 32-bit build

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 <[email protected]> Fixes: 84990b1 ("powerpc/qspinlock: add mcs queueing for contended waiters") Signed-off-by: Nicholas Piggin <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/oe-kbuild-all/[email protected] Link: https://lore.kernel.org/r/[email protected]
josf · Dec 12, 2022 · 1395937 · 1395937
1 parent f24f21c
commit 1395937
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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>