Searched refs:tail_id (Results 1 - 5 of 5) sorted by relevance

/linux-master/arch/s390/lib/
H A Dspinlock.c120 int lockval, ix, node_id, tail_id, old, new, owner, count; local
154 tail_id = old & _Q_TAIL_MASK;
155 if (tail_id != 0) {
156 node->prev = arch_spin_decode_tail(tail_id);
166 if (tail_id != 0) {
185 tail_id = old & _Q_TAIL_MASK;
186 new = ((tail_id != node_id) ? tail_id : 0) | lockval;
200 if (node_id && tail_id != node_id) {
/linux-master/kernel/printk/
H A Dprintk_ringbuffer.c70 * The descriptor ring has a @tail_id that contains the ID of the oldest
77 * @tail_id is advanced, followed by advancing @head_id. And finally the
81 * The @tail_id can only be advanced if the new @tail_id would be in the
772 unsigned long tail_id)
778 d_state = desc_read(desc_ring, tail_id, &desc, NULL, NULL);
788 DESC_ID_PREV_WRAP(desc_ring, tail_id)) {
803 desc_make_reusable(desc_ring, tail_id);
820 * Check the next descriptor after @tail_id before pushing the tail
828 d_state = desc_read(desc_ring, DESC_ID(tail_id
771 desc_push_tail(struct printk_ringbuffer *rb, unsigned long tail_id) argument
[all...]
H A Dprintk_ringbuffer.h77 atomic_long_t tail_id; member in struct:prb_desc_ring
231 * The initial @head_id and @tail_id for the desc ring. It is at the last
275 .tail_id = ATOMIC_INIT(DESC0_ID(descbits)), \
H A Dprintk.c992 VMCOREINFO_OFFSET(prb_desc_ring, tail_id);
/linux-master/scripts/gdb/linux/
H A Ddmesg.py88 off = prb_desc_ring_type.get_type()['tail_id'].bitpos // 8
89 tail_id = utils.read_atomic_long(desc_ring, off)
93 did = tail_id

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