diff options
Diffstat (limited to 'arch/um/include/asm/mmu.h')
| -rw-r--r-- | arch/um/include/asm/mmu.h | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/um/include/asm/mmu.h b/arch/um/include/asm/mmu.h index 5b072aba5b65..07d48738b402 100644 --- a/arch/um/include/asm/mmu.h +++ b/arch/um/include/asm/mmu.h @@ -6,19 +6,27 @@ #ifndef __ARCH_UM_MMU_H #define __ARCH_UM_MMU_H +#include "linux/types.h" +#include <linux/mutex.h> +#include <linux/spinlock.h> #include <mm_id.h> -#include <asm/mm_context.h> typedef struct mm_context { struct mm_id id; - struct uml_arch_mm_context arch; - struct page *stub_pages[2]; -} mm_context_t; + struct mutex turnstile; + + struct list_head list; -extern void __switch_mm(struct mm_id * mm_idp); + /* Address range in need of a TLB sync */ + spinlock_t sync_tlb_lock; + unsigned long sync_tlb_range_from; + unsigned long sync_tlb_range_to; +} mm_context_t; -/* Avoid tangled inclusion with asm/ldt.h */ -extern long init_new_ldt(struct mm_context *to_mm, struct mm_context *from_mm); -extern void free_ldt(struct mm_context *mm); +#define INIT_MM_CONTEXT(mm) \ + .context = { \ + .turnstile = __MUTEX_INITIALIZER(mm.context.turnstile), \ + .sync_tlb_lock = __SPIN_LOCK_INITIALIZER(mm.context.sync_tlb_lock), \ + } #endif |