arch/powerpc/include/asm/percpu.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_POWERPC_PERCPU_H_
   3 #define _ASM_POWERPC_PERCPU_H_
   4 #ifdef __powerpc64__
   5
   6 /*
   7  * Same as asm-generic/percpu.h, except that we store the per cpu offset
   8  * in the paca. Based on the x86-64 implementation.
   9  */
  10
  11 #ifdef CONFIG_SMP
  12
  13 #define __my_cpu_offset local_paca->data_offset
  14
  15 #endif /* CONFIG_SMP */
  16 #endif /* __powerpc64__ */
  17
  18 #if defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) && defined(CONFIG_SMP)
  19 #include <linux/jump_label.h>
  20 DECLARE_STATIC_KEY_FALSE(__percpu_first_chunk_is_paged);
  21
  22 #define percpu_first_chunk_is_paged     \
  23                 (static_key_enabled(&__percpu_first_chunk_is_paged.key))
  24 #else
  25 #define percpu_first_chunk_is_paged     false
  26 #endif /* CONFIG_PPC64 && CONFIG_SMP */
  27
  28 #include <asm-generic/percpu.h>
  29
  30 #include <asm/paca.h>
  31
  32 #endif /* _ASM_POWERPC_PERCPU_H_ */