Lines Matching refs:gms
158 void gru_flush_tlb_range(struct gru_mm_struct *gms, unsigned long start, in gru_flush_tlb_range() argument
174 gru_dbg(grudev, "gms %p, start 0x%lx, len 0x%lx, asidmap 0x%lx\n", gms, in gru_flush_tlb_range()
175 start, len, gms->ms_asidmap[0]); in gru_flush_tlb_range()
177 spin_lock(&gms->ms_asid_lock); in gru_flush_tlb_range()
178 for_each_gru_in_bitmap(gid, gms->ms_asidmap) { in gru_flush_tlb_range()
181 asids = gms->ms_asids + gid; in gru_flush_tlb_range()
196 __clear_bit(gru->gs_gid, gms->ms_asidmap); in gru_flush_tlb_range()
200 gms->ms_asidmap[0]); in gru_flush_tlb_range()
203 spin_unlock(&gms->ms_asid_lock); in gru_flush_tlb_range()
226 struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct, in gru_invalidate_range_start() local
230 atomic_inc(&gms->ms_range_active); in gru_invalidate_range_start()
231 gru_dbg(grudev, "gms %p, start 0x%lx, end 0x%lx, act %d\n", gms, in gru_invalidate_range_start()
232 start, end, atomic_read(&gms->ms_range_active)); in gru_invalidate_range_start()
233 gru_flush_tlb_range(gms, start, end - start); in gru_invalidate_range_start()
240 struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct, in gru_invalidate_range_end() local
244 (void)atomic_dec_and_test(&gms->ms_range_active); in gru_invalidate_range_end()
246 wake_up_all(&gms->ms_wait_queue); in gru_invalidate_range_end()
247 gru_dbg(grudev, "gms %p, start 0x%lx, end 0x%lx\n", gms, start, end); in gru_invalidate_range_end()
253 struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct, in gru_invalidate_page() local
257 gru_flush_tlb_range(gms, address, PAGE_SIZE); in gru_invalidate_page()
258 gru_dbg(grudev, "gms %p, address 0x%lx\n", gms, address); in gru_invalidate_page()
263 struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct, in gru_release() local
266 gms->ms_released = 1; in gru_release()
267 gru_dbg(grudev, "gms %p\n", gms); in gru_release()
299 struct gru_mm_struct *gms; in gru_register_mmu_notifier() local
305 gms = container_of(mn, struct gru_mm_struct, ms_notifier); in gru_register_mmu_notifier()
306 atomic_inc(&gms->ms_refcnt); in gru_register_mmu_notifier()
308 gms = kzalloc(sizeof(*gms), GFP_KERNEL); in gru_register_mmu_notifier()
309 if (!gms) in gru_register_mmu_notifier()
312 spin_lock_init(&gms->ms_asid_lock); in gru_register_mmu_notifier()
313 gms->ms_notifier.ops = &gru_mmuops; in gru_register_mmu_notifier()
314 atomic_set(&gms->ms_refcnt, 1); in gru_register_mmu_notifier()
315 init_waitqueue_head(&gms->ms_wait_queue); in gru_register_mmu_notifier()
316 err = __mmu_notifier_register(&gms->ms_notifier, current->mm); in gru_register_mmu_notifier()
320 if (gms) in gru_register_mmu_notifier()
321 gru_dbg(grudev, "gms %p, refcnt %d\n", gms, in gru_register_mmu_notifier()
322 atomic_read(&gms->ms_refcnt)); in gru_register_mmu_notifier()
323 return gms; in gru_register_mmu_notifier()
325 kfree(gms); in gru_register_mmu_notifier()
329 void gru_drop_mmu_notifier(struct gru_mm_struct *gms) in gru_drop_mmu_notifier() argument
331 gru_dbg(grudev, "gms %p, refcnt %d, released %d\n", gms, in gru_drop_mmu_notifier()
332 atomic_read(&gms->ms_refcnt), gms->ms_released); in gru_drop_mmu_notifier()
333 if (atomic_dec_return(&gms->ms_refcnt) == 0) { in gru_drop_mmu_notifier()
334 if (!gms->ms_released) in gru_drop_mmu_notifier()
335 mmu_notifier_unregister(&gms->ms_notifier, current->mm); in gru_drop_mmu_notifier()
336 kfree(gms); in gru_drop_mmu_notifier()