From b4811d4e3ab7430bfe7ddc724e05fa6d65a95777 Mon Sep 17 00:00:00 2001
From: Richard Yao <richard.yao@alumni.stonybrook.edu>
Date: Wed, 30 Nov 2022 21:35:48 -0500
Subject: [PATCH] PowerPC: Fix build failures on kernels built without
 CONFIG_SPE

Closes #14233
Reported-by: Rich Ercolani <Rincebrain@gmail.com>
Tested-by: Georgy Yakovlev <gyakovlev@gentoo.org>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
---
 include/os/linux/kernel/linux/simd_powerpc.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/os/linux/kernel/linux/simd_powerpc.h b/include/os/linux/kernel/linux/simd_powerpc.h
index 2a2f92bc499d..f1de3ad01656 100644
--- a/include/os/linux/kernel/linux/simd_powerpc.h
+++ b/include/os/linux/kernel/linux/simd_powerpc.h
@@ -69,6 +69,7 @@
 #define	kfpu_allowed()			1
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)
+#ifdef CONFIG_SPE
 #define	kfpu_begin()				\
 	{					\
 		preempt_disable();		\
@@ -83,6 +84,20 @@
 		disable_kernel_altivec();	\
 		preempt_enable();		\
 	}
+#else /* CONFIG_SPE */
+#define	kfpu_begin()				\
+	{					\
+		preempt_disable();		\
+		enable_kernel_altivec();	\
+		enable_kernel_vsx();		\
+	}
+#define	kfpu_end()				\
+	{					\
+		disable_kernel_vsx();		\
+		disable_kernel_altivec();	\
+		preempt_enable();		\
+	}
+#endif
 #else
 /* seems that before 4.5 no-one bothered */
 #define	kfpu_begin()