diff options
Diffstat (limited to 'arch/um/include/asm/mmu.h')
| -rw-r--r-- | arch/um/include/asm/mmu.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/um/include/asm/mmu.h b/arch/um/include/asm/mmu.h index 4d0e4239f3cc..07d48738b402 100644 --- a/arch/um/include/asm/mmu.h +++ b/arch/um/include/asm/mmu.h @@ -7,16 +7,26 @@ #define __ARCH_UM_MMU_H #include "linux/types.h" +#include <linux/mutex.h> +#include <linux/spinlock.h> #include <mm_id.h> typedef struct mm_context { struct mm_id id; + struct mutex turnstile; struct list_head list; /* 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; +#define INIT_MM_CONTEXT(mm) \ + .context = { \ + .turnstile = __MUTEX_INITIALIZER(mm.context.turnstile), \ + .sync_tlb_lock = __SPIN_LOCK_INITIALIZER(mm.context.sync_tlb_lock), \ + } + #endif |