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Searched refs:unlikely (Results 1 – 25 of 30) sorted by relevance

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/DragonOS-0.1.2/kernel/src/debug/
Dbug.h14 if (unlikely(__ret_bug_on)) \
16 unlikely(__ret_bug_on); \
25 if (unlikely(__ret_warn_on)) \
27 unlikely(__ret_warn_on); \
38 if (unlikely(__ret_warn_once && !__warned)) \
43 unlikely(__ret_warn_once); \
48 if (unlikely(__ret_warn_on)) \
50 unlikely(__ret_warn_on); \
/DragonOS-0.1.2/kernel/src/mm/
Dmmio.c23 if (unlikely(size > PAGE_1G_SIZE || size == 0)) in mmio_create()
58 if (unlikely(retval != 0)) in mmio_create()
65 if (unlikely(retval != 0)) in mmio_create()
92 if (unlikely(vma == NULL)) in mmio_release()
98 if (unlikely(vma->vm_start != (vaddr + i))) in mmio_release()
111 if (unlikely(retval != 0)) in mmio_release()
Dmmap.c137 if (unlikely(use4k)) in mm_map_proc_page_table()
147 else if (unlikely(*pde_ptr & (1 << 7))) in mm_map_proc_page_table()
162 if (unlikely(*pte_ptr != 0)) in mm_map_proc_page_table()
172 if (unlikely((*pde_ptr != 0) && user == true)) in mm_map_proc_page_table()
278 if (unlikely(mm_check_page_table(pt_ptr)) == 0) in mm_unmap_proc_table()
293 if (unlikely(mm_check_page_table(pd_ptr)) == 0) in mm_unmap_proc_table()
300 if (unlikely(mm_check_page_table(pdpt_ptr)) == 0) in mm_unmap_proc_table()
324 if (unlikely(vaddr & (PAGE_4K_SIZE - 1))) in mm_create_vma()
328 if (unlikely(vma == NULL)) in mm_create_vma()
372 if (unlikely(vma->anon_vma == NULL || vma->anon_vma->page == NULL)) in mm_map_vma()
[all …]
Dmmio-buddy.c75 if (unlikely(x->vaddr != buddy_block_vaddr(y->vaddr, exp))) // 不是一对伙伴 in __buddy_merge_blocks()
97 if (unlikely(list_empty(&__mmio_pool.free_regions[__exp2index(exp)].list_head))) in __buddy_pop_region()
117 if (unlikely(list_empty(&__mmio_pool.free_regions[__exp2index(exp)].list_head))) in __find_buddy()
175 if (unlikely(exp > MMIO_BUDDY_MAX_EXP || exp < MMIO_BUDDY_MIN_EXP)) in mmio_buddy_query_addr_region()
187 if (unlikely( in mmio_buddy_query_addr_region()
Dvma.c185 if (unlikely(anon_vma == NULL)) in __anon_vma_create_alloc()
262 if (unlikely(atomic_read(&vma->anon_vma->ref_count) == 0)) // 应当释放该anon_vma in __anon_vma_del()
Dslab.c563 if (unlikely(kmalloc_cache_group[index].count_total_free == 0)) in kmalloc()
569 if (unlikely(slab_obj_ptr == NULL)) in kmalloc()
636 if (unlikely(address == NULL)) in kfree()
/DragonOS-0.1.2/kernel/src/libs/
Dkfifo.c54 if (unlikely(fifo->size + size > fifo->total_size)) in kfifo_in()
56 if (unlikely(from == NULL)) in kfifo_in()
88 if (unlikely(to == NULL)) // 判断目标地址是否为空 in kfifo_out()
90 if (unlikely(size > fifo->size)) // 判断队列中是否有这么多数据 in kfifo_out()
122 if (unlikely(to == NULL)) // 判断目标地址是否为空 in kfifo_out_peek()
124 if (unlikely(size > fifo->size)) // 判断队列中是否有这么多数据 in kfifo_out_peek()
Didr.c102 if (unlikely(new_one == NULL)) in idr_preload()
177 if (unlikely(pos < 0)) in __idr_get_empty_slot()
216 if (unlikely(NULL == stk[0] || NULL == idp->top)) in __idr_mark_full()
251 if (unlikely(idp->top == NULL || __id < 0)) in __idr_get_path()
261 if (unlikely((__id >> ((layer + 1ull) * IDR_BITS)) > 0)) in __idr_get_path()
273 if (unlikely(((cur_layer->bitmap >> layer_id) & 1) == 0)) in __idr_get_path()
297 if (unlikely(NULL == stk[0] || NULL == idp->top)) in __idr_erase_full()
403 if (unlikely(idp->top == NULL || __id < 0)) in idr_remove()
425 if (unlikely(NULL == idp->top)) in __idr_remove_all_with_free()
492 if (unlikely(NULL == idp->top)) in idr_remove_all()
[all …]
Dlz4.c180 #ifndef unlikely
181 #define unlikely(expr) expect((expr) != 0, 0) macro
1249 if (unlikely(forwardIp > mflimitPlusOne)) in LZ4_compress_generic_validated()
1276 if (unlikely(forwardIp > mflimitPlusOne)) in LZ4_compress_generic_validated()
1343 while (((ip > anchor) & (match > lowLimit)) && (unlikely(ip[-1] == match[-1]))) in LZ4_compress_generic_validated()
1354 (unlikely(op + litLength + (2 + 1 + LASTLITERALS) + (litLength / 255) > olimit))) in LZ4_compress_generic_validated()
1359 …(unlikely(op + (litLength + 240) / 255 /* litlen */ + litLength /* literals */ + 2 /* offset */ + … in LZ4_compress_generic_validated()
1443 (unlikely(op + (1 + LASTLITERALS) + (matchCode + 240) / 255 > olimit))) in LZ4_compress_generic_validated()
1452 if (unlikely(ip <= filledIp)) in LZ4_compress_generic_validated()
2190 if (initial_check && unlikely((*ip) >= lencheck)) in read_variable_length()
[all …]
Dmutex.c72 if (unlikely(!mutex_is_locked(lock))) in mutex_unlock()
/DragonOS-0.1.2/kernel/src/ktest/
Dktest_utils.h8 if (unlikely(!(__condition))) \
/DragonOS-0.1.2/kernel/src/filesystem/VFS/
Ddcache.c21 if (unlikely(dentry->lockref.count > 1)) in vfs_dentry_put()
62 if (unlikely(dentry != start_dentry)) in vfs_dentry_put()
66 if (unlikely(dentry != start_dentry)) in vfs_dentry_put()
DVFS.c574 if (unlikely(name_size > VFS_MAX_PATHLEN)) in vfs_alloc_dentry()
577 if (unlikely(dentry == NULL)) in vfs_alloc_dentry()
729 if (unlikely(mnt_userns != NULL)) in vfs_unlink()
739 if (unlikely(retval != 0)) in vfs_unlink()
834 if (unlikely(retval != 0)) in do_unlink_at()
/DragonOS-0.1.2/kernel/src/common/
Derr.h6 #define IS_ERR_VALUE(x) unlikely((x) >= (uint64_t)-MAX_ERRNO)
Dcompiler.h6 #define unlikely(x) __builtin_expect(!!(x), 0) macro
/DragonOS-0.1.2/kernel/src/driver/usb/xhci/
Dxhci.c92 if (unlikely(xhci_ctrl_count >= XHCI_MAX_HOST_CONTROLLERS)) in xhci_hc_find_available_id()
208 if (unlikely(ptr->TRB_type == TRB_TYPE_LINK)) in __xhci_write_trb()
239 if (unlikely((xhci_read_op_reg32(id, XHCI_OPS_USBSTS) & (1 << 0)) == 1)) in xhci_hc_stop()
273 if (unlikely(retval)) in xhci_hc_reset()
485 if (unlikely(i == j)) in xhci_hc_pair_ports()
567 if (unlikely(table_vaddr == NULL)) in xhci_create_event_ring()
574 if (unlikely(seg_vaddr == NULL)) in xhci_create_event_ring()
1033 if (unlikely(retval != 0)) in xhci_set_address()
1271 if (unlikely(retval != 0)) in xhci_control_in()
1281 if (unlikely(retval != 0)) in xhci_control_in()
[all …]
/DragonOS-0.1.2/kernel/src/libs/libUI/
Dscreen_manager.c29 if (unlikely(__scm_double_buffer_enabled == false)) in __create_buffer()
66 if (unlikely(buf == &video_frame_buffer_info || buf == NULL)) in __destroy_buffer()
68 if (unlikely(buf->vaddr == NULL)) in __destroy_buffer()
70 if (unlikely(verify_area(buf->vaddr, buf->size) == true)) in __destroy_buffer()
129 if (unlikely(__scm_alloc_enabled == false)) in scm_register_alloc()
Dtextui.c141 if (unlikely(window->vline_operating == window->vlines_num)) in __textui_new_line()
152 if (unlikely(window->top_vline >= window->vlines_num)) in __textui_new_line()
210 if (unlikely(character == '\0')) in textui_putchar_window()
218 if (unlikely(character == '\n')) in textui_putchar_window()
256 if (unlikely(window->vline_operating < 0)) in textui_putchar_window()
263 if (unlikely(window->top_vline < 0)) in textui_putchar_window()
Dtextui-render.c78 if (unlikely(vline_id >= window->vlines_num && (start + count) > window->chars_per_line)) in textui_refresh_characters()
86 if (unlikely(actual_line_id < 0 || actual_line_id >= __textui_get_actual_lines())) in textui_refresh_characters()
/DragonOS-0.1.2/kernel/src/arch/x86_64/include/asm/
Dcmpxchg.h75 if (unlikely(is_success == false)) \
/DragonOS-0.1.2/kernel/src/driver/hid/
Dhidparse.c246 if (unlikely(offset_ptr == NULL)) in hid_parse()
395 if (unlikely(upage == NULL || upage->types == NULL)) in hid_get_usage_type()
421 if (unlikely(upage == NULL)) in hid_get_usage_page_str()
439 if (unlikely(upage == NULL)) in hid_get_usage_type_str()
463 if (unlikely(usage_type == NULL)) in hid_get_usage_type_str()
/DragonOS-0.1.2/kernel/src/process/
Dfork.c266 if (unlikely(ret == -EEXIST)) in process_copy_mm()
284 if (unlikely(ret == -EEXIST)) in process_copy_mm()
325 if (unlikely((uint64_t)newVal >= new_top || (uint64_t)newVal < (new_top - STACK_SIZE))) in process_rewrite_rbp()
/DragonOS-0.1.2/kernel/src/driver/video/
Dvideo.c85 if (unlikely(video_daemon_pcb == NULL)) in video_refresh_framebuffer()
/DragonOS-0.1.2/kernel/src/driver/timers/HPET/
DHPET.c87 if (unlikely(timer_jiffies >= (video_refresh_expire_jiffies + (1 << 17)))) in HPET_handler()
/DragonOS-0.1.2/kernel/src/filesystem/rootfs/
Drootfs.c177 if (unlikely(list_empty(list))) in rootfs_migrate()

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