root/arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h

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   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2013 Cavium, Inc.
   7  */
   8 #ifndef __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
   9 #define __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
  10 
  11 #define cpu_has_4kex            1
  12 #define cpu_has_3k_cache        0
  13 #define cpu_has_tx39_cache      0
  14 #define cpu_has_counter         1
  15 #define cpu_has_llsc            1
  16 /*
  17  * We Disable LL/SC on non SMP systems as it is faster to disable
  18  * interrupts for atomic access than a LL/SC.
  19  */
  20 #ifdef CONFIG_SMP
  21 # define kernel_uses_llsc       1
  22 #else
  23 # define kernel_uses_llsc       0
  24 #endif
  25 
  26 #ifdef CONFIG_CPU_CAVIUM_OCTEON
  27 #define cpu_dcache_line_size()  128
  28 #define cpu_icache_line_size()  128
  29 #define cpu_has_octeon_cache    1
  30 #define cpu_has_4k_cache        0
  31 #else
  32 #define cpu_has_octeon_cache    0
  33 #define cpu_has_4k_cache        1
  34 #endif
  35 
  36 #endif /* __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H */
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