From: Nicholas Piggin <npiggin@gmail.com>
Date: Thu, 8 Dec 2022 12:32:25 +0000 (+1000)
Subject: powerpc/qspinlock: Fix 32-bit build
X-Git-Tag: v6.2-rc1~52^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13959373e9c9021cc80730c7bd1242e07b10b328;p=thirdparty%2Fkernel%2Fstable.git

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 <lkp@intel.com>
Fixes: 84990b169557 ("powerpc/qspinlock: add mcs queueing for contended waiters")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/oe-kbuild-all/202212050224.i7uh9fOh-lkp@intel.com
Link: https://lore.kernel.org/r/20221208123225.1566113-1-npiggin@gmail.com
---

diff --git a/arch/powerpc/lib/qspinlock.c b/arch/powerpc/lib/qspinlock.c
index 1cf5d3e752501..e4bd145255d00 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>