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MIPS: Move definition of SMP processor id register to header file

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The definition of the CP0 register used to save the smp processor
id is repicated in many files, move them all to thread_info.h.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5708/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Jayachandran C
2013-08-11 17:10:16 +05:30
committed by Ralf Baechle
parent 1a9db0a9ea
commit c2377a42cd
4 changed files with 49 additions and 80 deletions
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16
arch/mips/include/asm/mmu_context.h
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@@ -35,10 +35,11 @@ do { \
#define TLBMISS_HANDLER_SETUP() \
do { \
TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir); \
write_c0_xcontext((unsigned long) smp_processor_id() << 51); \
write_c0_xcontext((unsigned long) smp_processor_id() << \
SMP_CPUID_REGSHIFT); \
} while (0)
#else /* CONFIG_MIPS_PGD_C0_CONTEXT: using pgd_current*/
#else /* !CONFIG_MIPS_PGD_C0_CONTEXT: using pgd_current*/
/*
* For the fast tlb miss handlers, we keep a per cpu array of pointers
@@ -50,18 +51,11 @@ extern unsigned long pgd_current[];
#define TLBMISS_HANDLER_SETUP_PGD(pgd) \
pgd_current[smp_processor_id()] = (unsigned long)(pgd)
#ifdef CONFIG_32BIT
#define TLBMISS_HANDLER_SETUP() \
write_c0_context((unsigned long) smp_processor_id() << 25); \
write_c0_context((unsigned long) smp_processor_id() << \
SMP_CPUID_REGSHIFT); \
back_to_back_c0_hazard(); \
TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)
#endif
#ifdef CONFIG_64BIT
#define TLBMISS_HANDLER_SETUP() \
write_c0_context((unsigned long) smp_processor_id() << 26); \
back_to_back_c0_hazard(); \
TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)
#endif
#endif /* CONFIG_MIPS_PGD_C0_CONTEXT*/
#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)