diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/tlbflush.h | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h index b543a054a17..ffedd2494ea 100644 --- a/arch/arm/include/asm/tlbflush.h +++ b/arch/arm/include/asm/tlbflush.h @@ -39,6 +39,7 @@ #define TLB_V6_D_ASID (1 << 17) #define TLB_V6_I_ASID (1 << 18) +#define TLB_BTB (1 << 28) #define TLB_L2CLEAN_FR (1 << 29) /* Feroceon */ #define TLB_DCLEAN (1 << 30) #define TLB_WB (1 << 31) @@ -140,7 +141,7 @@ # define v4wb_always_flags (-1UL) #endif -#define v6wbi_tlb_flags (TLB_WB | TLB_DCLEAN | \ +#define v6wbi_tlb_flags (TLB_WB | TLB_DCLEAN | TLB_BTB | \ TLB_V6_I_FULL | TLB_V6_D_FULL | \ TLB_V6_I_PAGE | TLB_V6_D_PAGE | \ TLB_V6_I_ASID | TLB_V6_D_ASID) @@ -297,9 +298,7 @@ static inline void local_flush_tlb_all(void) if (tlb_flag(TLB_V4_I_FULL | TLB_V6_I_FULL)) asm("mcr p15, 0, %0, c8, c5, 0" : : "r" (zero) : "cc"); - if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL | - TLB_V6_I_PAGE | TLB_V6_D_PAGE | - TLB_V6_I_ASID | TLB_V6_D_ASID)) { + if (tlb_flag(TLB_BTB)) { /* flush the branch target cache */ asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc"); dsb(); @@ -334,9 +333,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm) if (tlb_flag(TLB_V6_I_ASID)) asm("mcr p15, 0, %0, c8, c5, 2" : : "r" (asid) : "cc"); - if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL | - TLB_V6_I_PAGE | TLB_V6_D_PAGE | - TLB_V6_I_ASID | TLB_V6_D_ASID)) { + if (tlb_flag(TLB_BTB)) { /* flush the branch target cache */ asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc"); dsb(); @@ -374,9 +371,7 @@ local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) if (tlb_flag(TLB_V6_I_PAGE)) asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (uaddr) : "cc"); - if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL | - TLB_V6_I_PAGE | TLB_V6_D_PAGE | - TLB_V6_I_ASID | TLB_V6_D_ASID)) { + if (tlb_flag(TLB_BTB)) { /* flush the branch target cache */ asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc"); dsb(); @@ -411,9 +406,7 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr) if (tlb_flag(TLB_V6_I_PAGE)) asm("mcr p15, 0, %0, c8, c5, 1" : : "r" (kaddr) : "cc"); - if (tlb_flag(TLB_V6_I_FULL | TLB_V6_D_FULL | - TLB_V6_I_PAGE | TLB_V6_D_PAGE | - TLB_V6_I_ASID | TLB_V6_D_ASID)) { + if (tlb_flag(TLB_BTB)) { /* flush the branch target cache */ asm("mcr p15, 0, %0, c7, c5, 6" : : "r" (zero) : "cc"); dsb(); |