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Searched refs:seqcount (Results 1 – 19 of 19) sorted by relevance

/linux/include/linux/
H A Dseqlock.h107 * @seqcount: The real sequence counter
127 seqcount_init(&____s->seqcount); \
149 return &s->seqcount; \
155 return &s->seqcount; \
161 unsigned seq = smp_load_acquire(&s->seqcount.sequence); \
174 seq = smp_load_acquire(&s->seqcount.sequence); \
240 .seqcount = SEQCNT_ZERO(seq_name.seqcount), \ in SEQCOUNT_LOCKNAME()
488 * only if the seqcount write serialization lock is associated, and
512 * the seqcount writ
610 seqcount_t seqcount; global() member
[all...]
H A Dseqlock_types.h33 typedef struct seqcount { struct
64 seqcount_t seqcount; \
89 seqcount_spinlock_t seqcount; member
38 dep_mapseqcount global() argument
H A Dsched.h386 seqcount_t seqcount; member
/linux/kernel/sched/
H A Dcputime.c717 write_seqcount_begin(&vtime->seqcount); in vtime_account_kernel()
719 write_seqcount_end(&vtime->seqcount); in vtime_account_kernel()
726 write_seqcount_begin(&vtime->seqcount); in vtime_user_enter()
729 write_seqcount_end(&vtime->seqcount); in vtime_user_enter()
736 write_seqcount_begin(&vtime->seqcount); in vtime_user_exit()
743 write_seqcount_end(&vtime->seqcount); in vtime_user_exit()
756 write_seqcount_begin(&vtime->seqcount); in vtime_guest_enter()
760 write_seqcount_end(&vtime->seqcount); in vtime_guest_enter()
768 write_seqcount_begin(&vtime->seqcount); in vtime_guest_exit()
772 write_seqcount_end(&vtime->seqcount); in vtime_guest_exit()
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/linux/kernel/trace/
H A Dpid_list.c143 seq = read_seqcount_begin(&pid_list->seqcount); in trace_pid_list_is_set()
151 } while (read_seqcount_retry(&pid_list->seqcount, seq)); in trace_pid_list_is_set()
184 write_seqcount_begin(&pid_list->seqcount); in trace_pid_list_set()
206 write_seqcount_end(&pid_list->seqcount); in trace_pid_list_set()
238 write_seqcount_begin(&pid_list->seqcount); in trace_pid_list_clear()
259 write_seqcount_end(&pid_list->seqcount); in trace_pid_list_clear()
350 write_seqcount_begin(&pid_list->seqcount); in pid_list_refill_irq()
353 write_seqcount_end(&pid_list->seqcount); in pid_list_refill_irq()
382 write_seqcount_begin(&pid_list->seqcount); in pid_list_refill_irq()
393 write_seqcount_end(&pid_list->seqcount); in pid_list_refill_irq()
[all …]
H A Dpid_list.h79 seqcount_raw_spinlock_t seqcount; member
/linux/Documentation/filesystems/
H 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/arch/powerpc/kvm/
H A Dbook3s_hv_p9_entry.c239 seq = curr->seqcount; in accumulate_time()
240 curr->seqcount = seq + 1; in accumulate_time()
248 curr->seqcount = seq + 2; in accumulate_time()
H A Dbook3s_hv.c2888 count = acc->seqcount; in debugfs_timings_read()
2893 if (count == acc->seqcount) { in debugfs_timings_read()
/linux/init/
H A Dinit_task.c208 .vtime.seqcount = SEQCNT_ZERO(init_task.vtime_seqcount),
/linux/arch/x86/kernel/
H A Dtsc.c82 seq = this_cpu_read(cyc2ns.seq.seqcount.sequence); in __cyc2ns_read()
89 } while (unlikely(seq != this_cpu_read(cyc2ns.seq.seqcount.sequence))); in __cyc2ns_read()
/linux/drivers/gpu/drm/imagination/
H A Dpvr_rogue_fwif.h2016 #define ROGUE_FWIF_TIME_CORR_CURR_INDEX(seqcount) \ argument
2017 ((seqcount) % ROGUE_FWIF_TIME_CORR_ARRAY_SIZE)
/linux/Documentation/locking/
H A Dseqlock.rst105 stored in struct seqcount and lockdep's "lock is held" assertions are
/linux/arch/powerpc/include/asm/
H A Dkvm_host.h425 u64 seqcount; /* used to synchronize access, also count * 2 */ member
/linux/arch/powerpc/kernel/
H A Dasm-offsets.c389 OFFSET(TAS_SEQCOUNT, kvmhv_tb_accumulator, seqcount); in main()
/linux/fs/
H A Dnamei.c2253 if (__read_seqcount_retry(&mount_lock.seqcount, nd->m_seq)) in handle_dots()
2255 if (__read_seqcount_retry(&rename_lock.seqcount, nd->r_seq)) in handle_dots()
2693 nd->m_seq = __read_seqcount_begin(&mount_lock.seqcount); in path_init()
2694 nd->r_seq = __read_seqcount_begin(&rename_lock.seqcount); in path_init()
/linux/Documentation/gpu/
H A Ddrm-vm-bind-locking.rst89 'lock' a lot like a seqcount. However this allows multiple
/linux/kernel/
H A Dfork.c2123 seqcount_init(&p->vtime.seqcount); in copy_process()
/linux/drivers/infiniband/hw/hfi1/
H A Dsdma.c2311 (const seqcount_t *)&sde->head_lock.seqcount); in sdma_check_progress()