diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/assembler.h | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/hardware/pl330.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/processor.h | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/tlb.h | 10 |
4 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 62f8095d46de..23371b17b23e 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -137,6 +137,11 @@ disable_irq .endm + .macro save_and_disable_irqs_notrace, oldcpsr + mrs \oldcpsr, cpsr + disable_irq_notrace + .endm + /* * Restore interrupt state previously stored in a register. We don't * guarantee that this will preserve the flags. diff --git a/arch/arm/include/asm/hardware/pl330.h b/arch/arm/include/asm/hardware/pl330.h index 575fa8186ca0..c1821385abfa 100644 --- a/arch/arm/include/asm/hardware/pl330.h +++ b/arch/arm/include/asm/hardware/pl330.h @@ -41,7 +41,7 @@ enum pl330_dstcachectrl { DCCTRL1, /* Bufferable only */ DCCTRL2, /* Cacheable, but do not allocate */ DCCTRL3, /* Cacheable and bufferable, but do not allocate */ - DINVALID1 = 8, + DINVALID1, /* AWCACHE = 0x1000 */ DINVALID2, DCCTRL6, /* Cacheable write-through, allocate on writes only */ DCCTRL7, /* Cacheable write-back, allocate on writes only */ diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index ce280b8d613c..cb8d638924fd 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -22,6 +22,7 @@ #include <asm/hw_breakpoint.h> #include <asm/ptrace.h> #include <asm/types.h> +#include <asm/system.h> #ifdef __KERNEL__ #define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \ diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h index 5d3ed7e38561..314d4664eae7 100644 --- a/arch/arm/include/asm/tlb.h +++ b/arch/arm/include/asm/tlb.h @@ -198,7 +198,15 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { pgtable_page_dtor(pte); - tlb_add_flush(tlb, addr); + + /* + * With the classic ARM MMU, a pte page has two corresponding pmd + * entries, each covering 1MB. + */ + addr &= PMD_MASK; + tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE); + tlb_add_flush(tlb, addr + SZ_1M); + tlb_remove_page(tlb, pte); } |