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Searched refs:seqcount (Results 1 – 16 of 16) sorted by relevance

/linux/include/linux/
A Dseqlock.h289 .seqcount = SEQCNT_ZERO(seq_name.seqcount), \
652 seqcount_t seqcount; member
660 .seqcount = SEQCNT_ZERO(seq_name.seqcount), \
891 do_write_seqcount_begin(&sl->seqcount.seqcount); in write_seqlock()
903 do_write_seqcount_end(&sl->seqcount.seqcount); in write_sequnlock()
917 do_write_seqcount_begin(&sl->seqcount.seqcount); in write_seqlock_bh()
930 do_write_seqcount_end(&sl->seqcount.seqcount); in write_sequnlock_bh()
944 do_write_seqcount_begin(&sl->seqcount.seqcount); in write_seqlock_irq()
956 do_write_seqcount_end(&sl->seqcount.seqcount); in write_sequnlock_irq()
965 do_write_seqcount_begin(&sl->seqcount.seqcount); in __write_seqlock_irqsave()
[all …]
A Dsched.h332 seqcount_t seqcount; member
/linux/kernel/sched/
A Dcputime.c701 write_seqcount_begin(&vtime->seqcount); in vtime_account_kernel()
703 write_seqcount_end(&vtime->seqcount); in vtime_account_kernel()
710 write_seqcount_begin(&vtime->seqcount); in vtime_user_enter()
713 write_seqcount_end(&vtime->seqcount); in vtime_user_enter()
720 write_seqcount_begin(&vtime->seqcount); in vtime_user_exit()
727 write_seqcount_end(&vtime->seqcount); in vtime_user_exit()
744 write_seqcount_end(&vtime->seqcount); in vtime_guest_enter()
756 write_seqcount_end(&vtime->seqcount); in vtime_guest_exit()
776 write_seqcount_end(&vtime->seqcount); in vtime_task_switch_generic()
789 write_seqcount_end(&vtime->seqcount); in vtime_task_switch_generic()
[all …]
/linux/arch/s390/kernel/
A Didle.c62 raw_write_seqcount_begin(&idle->seqcount); in arch_cpu_idle()
68 raw_write_seqcount_end(&idle->seqcount); in arch_cpu_idle()
80 seq = read_seqcount_begin(&idle->seqcount); in show_idle_count()
84 } while (read_seqcount_retry(&idle->seqcount, seq)); in show_idle_count()
97 seq = read_seqcount_begin(&idle->seqcount); in show_idle_time()
101 } while (read_seqcount_retry(&idle->seqcount, seq)); in show_idle_time()
123 seq = read_seqcount_begin(&idle->seqcount); in arch_cpu_idle_time()
126 } while (read_seqcount_retry(&idle->seqcount, seq)); in arch_cpu_idle_time()
/linux/arch/s390/include/asm/
A Didle.h16 seqcount_t seqcount; member
/linux/arch/powerpc/kvm/
A Dbook3s_hv_p9_entry.c38 seq = curr->seqcount; in __accumulate_time()
39 curr->seqcount = seq + 1; in __accumulate_time()
47 curr->seqcount = seq + 2; in __accumulate_time()
A Dbook3s_hv.c2619 count = acc->seqcount; in debugfs_timings_read()
2624 if (count == acc->seqcount) { in debugfs_timings_read()
/linux/Documentation/filesystems/
A Dpath-lookup.txt96 using d_seq for synchronisation (see seqcount based lookups, below).
192 no non-atomic stores to shared data), and to recheck the seqcount when we are
193 "done" with the operation. Retry or abort if the seqcount does not match.
198 protect the dentry object from disappearing, can perform a seqcount based
203 Inodes are also rcu freed, so the seqcount lookup dentry's inode may also be
216 walking is operating on each dentry. rcu-walk uses seqcount based dentry
277 It is, in some sense, a bit of a house of cards. If the seqcount check of the
/linux/init/
A Dinit_task.c171 .vtime.seqcount = SEQCNT_ZERO(init_task.vtime_seqcount),
/linux/arch/x86/kernel/
A Dtsc.c77 seq = this_cpu_read(cyc2ns.seq.seqcount.sequence); in cyc2ns_read_begin()
84 } while (unlikely(seq != this_cpu_read(cyc2ns.seq.seqcount.sequence))); in cyc2ns_read_begin()
/linux/Documentation/locking/
A Dseqlock.rst103 stored in struct seqcount and lockdep's "lock is held" assertions are
/linux/arch/powerpc/include/asm/
A Dkvm_host.h422 u64 seqcount; /* used to synchronize access, also count * 2 */ member
/linux/fs/
A Dnamei.c1942 if (unlikely(__read_seqcount_retry(&mount_lock.seqcount, nd->m_seq))) in handle_dots()
1944 if (unlikely(__read_seqcount_retry(&rename_lock.seqcount, nd->r_seq))) in handle_dots()
2335 nd->m_seq = __read_seqcount_begin(&mount_lock.seqcount); in path_init()
2336 nd->r_seq = __read_seqcount_begin(&rename_lock.seqcount); in path_init()
/linux/arch/powerpc/kernel/
A Dasm-offsets.c387 OFFSET(TAS_SEQCOUNT, kvmhv_tb_accumulator, seqcount); in main()
/linux/kernel/
A Dfork.c2094 seqcount_init(&p->vtime.seqcount); in copy_process()
/linux/drivers/infiniband/hw/hfi1/
A Dsdma.c2328 (const seqcount_t *)&sde->head_lock.seqcount); in sdma_check_progress()

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