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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 02:04:49 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 02:04:49 -0800 |
commit | 348324c5b10bcba8d9daabdfb85a6927311be34f (patch) | |
tree | d06ca3a264407a14a1f36c1b798d6dc0dc1582d8 /arch/mips/mm/tlb-r4k.c | |
parent | 1e63bd9cc43db5400a1423a7ec8266b4e7c54bd0 (diff) | |
parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) |
Merge tag 'v3.13-rc4' into next
Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.
Diffstat (limited to 'arch/mips/mm/tlb-r4k.c')
-rw-r--r-- | arch/mips/mm/tlb-r4k.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index bb3a5f643e9..da3b0b9c9ea 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -52,21 +52,26 @@ extern void build_tlb_refill_handler(void); #endif /* CONFIG_MIPS_MT_SMTC */ -#if defined(CONFIG_CPU_LOONGSON2) /* * LOONGSON2 has a 4 entry itlb which is a subset of dtlb, * unfortrunately, itlb is not totally transparent to software. */ -#define FLUSH_ITLB write_c0_diag(4); - -#define FLUSH_ITLB_VM(vma) { if ((vma)->vm_flags & VM_EXEC) write_c0_diag(4); } - -#else - -#define FLUSH_ITLB -#define FLUSH_ITLB_VM(vma) +static inline void flush_itlb(void) +{ + switch (current_cpu_type()) { + case CPU_LOONGSON2: + write_c0_diag(4); + break; + default: + break; + } +} -#endif +static inline void flush_itlb_vm(struct vm_area_struct *vma) +{ + if (vma->vm_flags & VM_EXEC) + flush_itlb(); +} void local_flush_tlb_all(void) { @@ -93,7 +98,7 @@ void local_flush_tlb_all(void) } tlbw_use_hazard(); write_c0_entryhi(old_ctx); - FLUSH_ITLB; + flush_itlb(); EXIT_CRITICAL(flags); } EXPORT_SYMBOL(local_flush_tlb_all); @@ -155,7 +160,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, } else { drop_mmu_context(mm, cpu); } - FLUSH_ITLB; + flush_itlb(); EXIT_CRITICAL(flags); } } @@ -197,7 +202,7 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end) } else { local_flush_tlb_all(); } - FLUSH_ITLB; + flush_itlb(); EXIT_CRITICAL(flags); } @@ -230,7 +235,7 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) finish: write_c0_entryhi(oldpid); - FLUSH_ITLB_VM(vma); + flush_itlb_vm(vma); EXIT_CRITICAL(flags); } } @@ -262,7 +267,7 @@ void local_flush_tlb_one(unsigned long page) tlbw_use_hazard(); } write_c0_entryhi(oldpid); - FLUSH_ITLB; + flush_itlb(); EXIT_CRITICAL(flags); } @@ -335,7 +340,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte) tlb_write_indexed(); } tlbw_use_hazard(); - FLUSH_ITLB_VM(vma); + flush_itlb_vm(vma); EXIT_CRITICAL(flags); } |