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Searched refs:tail_lpos (Results 1 – 4 of 4) sorted by relevance

/OK3568_Linux_fs/kernel/kernel/printk/
H A Dprintk_ringbuffer.c636 unsigned long tail_lpos; in data_push_tail() local
661 tail_lpos = atomic_long_read(&data_ring->tail_lpos); /* LMM(data_push_tail:A) */ in data_push_tail()
670 while ((lpos - tail_lpos) - 1 < DATA_SIZE(data_ring)) { in data_push_tail()
675 if (!data_make_reusable(rb, data_ring, tail_lpos, lpos, in data_push_tail()
734 tail_lpos_new = atomic_long_read(&data_ring->tail_lpos in data_push_tail()
736 if (tail_lpos_new == tail_lpos) in data_push_tail()
740 tail_lpos = tail_lpos_new; in data_push_tail()
751 if (atomic_long_try_cmpxchg(&data_ring->tail_lpos, &tail_lpos, in data_push_tail()
2095 atomic_long_set(&rb->text_data_ring.tail_lpos, BLK0_LPOS(textbits)); in prb_init()
H A Dprintk_ringbuffer.h68 atomic_long_t tail_lpos; member
268 .tail_lpos = ATOMIC_LONG_INIT(BLK0_LPOS((avgtextbits) + (descbits))), \
H A Dprintk.c1028 VMCOREINFO_OFFSET(prb_data_ring, tail_lpos); in log_buf_vmcoreinfo_setup()
/OK3568_Linux_fs/kernel/Documentation/admin-guide/kdump/
H A Dvmcoreinfo.rst289 (prb_data_ring, size_bits|data|head_lpos|tail_lpos)