diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-i386/paravirt.h | 9 | ||||
| -rw-r--r-- | include/asm-i386/tlbflush.h | 19 |
2 files changed, 26 insertions, 2 deletions
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h index 4b3d50858670..f880b06d6d56 100644 --- a/include/asm-i386/paravirt.h +++ b/include/asm-i386/paravirt.h @@ -15,6 +15,7 @@ #ifndef __ASSEMBLY__ #include <linux/types.h> +#include <linux/cpumask.h> struct thread_struct; struct Xgt_desc_struct; @@ -165,6 +166,8 @@ struct paravirt_ops void (*flush_tlb_user)(void); void (*flush_tlb_kernel)(void); void (*flush_tlb_single)(unsigned long addr); + void (*flush_tlb_others)(const cpumask_t *cpus, struct mm_struct *mm, + unsigned long va); void (*map_pt_hook)(int type, pte_t *va, u32 pfn); @@ -853,6 +856,12 @@ static inline void __flush_tlb_single(unsigned long addr) PVOP_VCALL1(flush_tlb_single, addr); } +static inline void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm, + unsigned long va) +{ + PVOP_VCALL3(flush_tlb_others, &cpumask, mm, va); +} + static inline void paravirt_map_pt_hook(int type, pte_t *va, u32 pfn) { PVOP_VCALL3(map_pt_hook, type, va, pfn); diff --git a/include/asm-i386/tlbflush.h b/include/asm-i386/tlbflush.h index 4dd82840d53b..db7f77eacfa0 100644 --- a/include/asm-i386/tlbflush.h +++ b/include/asm-i386/tlbflush.h @@ -79,11 +79,15 @@ * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables + * - flush_tlb_others(cpumask, mm, va) flushes a TLBs on other cpus * * ..but the i386 has somewhat limited tlb flushing capabilities, * and page-granular flushes are available only on i486 and up. */ +#define TLB_FLUSH_ALL 0xffffffff + + #ifndef CONFIG_SMP #define flush_tlb() __flush_tlb() @@ -110,7 +114,12 @@ static inline void flush_tlb_range(struct vm_area_struct *vma, __flush_tlb(); } -#else +static inline void native_flush_tlb_others(const cpumask_t *cpumask, + struct mm_struct *mm, unsigned long va) +{ +} + +#else /* SMP */ #include <asm/smp.h> @@ -129,6 +138,9 @@ static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long st flush_tlb_mm(vma->vm_mm); } +void native_flush_tlb_others(const cpumask_t *cpumask, struct mm_struct *mm, + unsigned long va); + #define TLBSTATE_OK 1 #define TLBSTATE_LAZY 2 @@ -139,8 +151,11 @@ struct tlb_state char __cacheline_padding[L1_CACHE_BYTES-8]; }; DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate); +#endif /* SMP */ - +#ifndef CONFIG_PARAVIRT +#define flush_tlb_others(mask, mm, va) \ + native_flush_tlb_others(&mask, mm, va) #endif #define flush_tlb_kernel_range(start, end) flush_tlb_all() |