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-rw-r--r--arch/powerpc/include/asm/percpu.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/percpu.h b/arch/powerpc/include/asm/percpu.h
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index 0000000000..8e5b7d0b85
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+++ b/arch/powerpc/include/asm/percpu.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_PERCPU_H_
+#define _ASM_POWERPC_PERCPU_H_
+#ifdef __powerpc64__
+
+/*
+ * Same as asm-generic/percpu.h, except that we store the per cpu offset
+ * in the paca. Based on the x86-64 implementation.
+ */
+
+#ifdef CONFIG_SMP
+
+#define __my_cpu_offset local_paca->data_offset
+
+#endif /* CONFIG_SMP */
+#endif /* __powerpc64__ */
+
+#include <asm-generic/percpu.h>
+
+#include <asm/paca.h>
+
+#endif /* _ASM_POWERPC_PERCPU_H_ */