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Searched refs:try_cmpxchg (Results 1 – 25 of 59) sorted by relevance

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/linux-6.15/lib/
H A Dllist.c33 } while (!try_cmpxchg(&head->first, &first, new_first)); in llist_add_batch()
62 } while (!try_cmpxchg(&head->first, &entry, next)); in llist_del_first()
90 } while (!try_cmpxchg(&head->first, &entry, next)); in llist_del_first_this()
H A Dgenalloc.c54 } while (!try_cmpxchg(addr, &val, val | mask_to_set)); in set_bits_ll()
68 } while (!try_cmpxchg(addr, &val, val & ~mask_to_clear)); in clear_bits_ll()
/linux-6.15/tools/testing/selftests/bpf/
H A Dbpf_atomic.h49 #define try_cmpxchg(p, pold, new) \ macro
58 #define try_cmpxchg_relaxed(p, pold, new) try_cmpxchg(p, pold, new)
60 #define try_cmpxchg_acquire(p, pold, new) try_cmpxchg(p, pold, new)
/linux-6.15/kernel/
H A Dtask_work.c73 } while (!try_cmpxchg(&task->task_works, &head, work)); in task_work_add()
132 } else if (try_cmpxchg(pprev, &work, work->next)) in task_work_cancel_match()
213 } while (!try_cmpxchg(&task->task_works, &work, head)); in task_work_run()
/linux-6.15/include/linux/
H A Dbitops.h367 } while (!try_cmpxchg(ptr, &old__, new__)); \
384 } while (!try_cmpxchg(ptr, &old__, new__)); \
H A Dpgalloc_tag.h156 } while (unlikely(!try_cmpxchg(&page->flags, &old_flags, flags))); in update_page_tag_ref()
/linux-6.15/mm/
H A Dmmzone.c109 } while (unlikely(!try_cmpxchg(&folio->flags, &old_flags, flags))); in folio_xchg_last_cpupid()
H A Dswap.c404 } while (!try_cmpxchg(&folio->flags, &old_flags, new_flags)); in lru_gen_inc_refs()
/linux-6.15/mm/kasan/
H A Dtags.c123 if (!try_cmpxchg(&entry->ptr, &old_ptr, STACK_RING_BUSY_PTR)) in save_stack_info()
/linux-6.15/scripts/atomic/
H A Datomics.tbl32 try_cmpxchg B v p:old i:new
/linux-6.15/Documentation/
H A Datomic_t.txt148 - swap operations: xchg(), cmpxchg() and try_cmpxchg()
282 Both provide the same functionality, but try_cmpxchg() can lead to more
313 NB. try_cmpxchg() also generates better code on some platforms (notably x86)
/linux-6.15/drivers/gpu/drm/i915/gt/
H A Dintel_gt_requests.c107 while (!try_cmpxchg(&engine->retire, &first, tl)); in add_retire()
/linux-6.15/arch/s390/kvm/
H A Dgaccess.c142 } while (!try_cmpxchg(&ic->val, &old.val, new.val)); in ipte_lock_simple()
162 } while (!try_cmpxchg(&ic->val, &old.val, new.val)); in ipte_unlock_simple()
186 } while (!try_cmpxchg(&ic->val, &old.val, new.val)); in ipte_lock_siif()
202 } while (!try_cmpxchg(&ic->val, &old.val, new.val)); in ipte_unlock_siif()
/linux-6.15/kernel/locking/
H A Dqspinlock_paravirt.h217 if (try_cmpxchg(&he->lock, &old, lock)) { in pv_hash()
/linux-6.15/fs/gfs2/
H A Dutil.c337 } while (unlikely(!try_cmpxchg(&sdp->sd_flags, &old, new))); in gfs2_withdraw()
/linux-6.15/arch/x86/kernel/acpi/
H A Dboot.c1797 } while (!try_cmpxchg(lock, &old, new)); in __acpi_acquire_global_lock()
1812 } while (!try_cmpxchg(lock, &old, new)); in __acpi_release_global_lock()
/linux-6.15/arch/x86/events/amd/
H A Duncore.c167 if (try_cmpxchg(&ctx->events[i], &tmp, event)) { in amd_uncore_add()
203 if (try_cmpxchg(&ctx->events[i], &tmp, NULL)) in amd_uncore_del()
/linux-6.15/arch/x86/include/asm/
H A Dpgtable.h1358 } while (!try_cmpxchg((long *)&ptep->pte, (long *)&old_pte, *(long *)&new_pte)); in ptep_set_wrprotect()
1420 } while (!try_cmpxchg((long *)pmdp, (long *)&old_pmd, *(long *)&new_pmd)); in pmdp_set_wrprotect()
/linux-6.15/arch/x86/xen/
H A Dp2m.c563 if (try_cmpxchg(top_mfn_p, &missing_mfn, mid_mfn_mfn)) { in xen_alloc_p2m_entry()
/linux-6.15/arch/x86/kernel/
H A Dkvm.c672 if (try_cmpxchg(&src->preempted, &state, in kvm_flush_tlb_multi()
/linux-6.15/arch/x86/mm/pat/
H A Dmemtype.c167 } while (!try_cmpxchg(&pg->flags, &old_flags, new_flags)); in set_page_memtype()
/linux-6.15/fs/bcachefs/
H A Dbtree_cache.c725 if (try_cmpxchg(&bc->alloc_lock, &old, current) || old == current) in bch2_btree_cache_cannibalize_lock()
737 if (try_cmpxchg(&bc->alloc_lock, &old, current) || old == current) { in bch2_btree_cache_cannibalize_lock()
/linux-6.15/kernel/sched/
H A Dcore.c947 } while (!try_cmpxchg(_ptr, &_val, _val | _mask)); \
978 } while (!try_cmpxchg(&ti->flags, &val, val | _TIF_NEED_RESCHED)); in set_nr_if_polling()
10366 if (!try_cmpxchg(&src_pcpu_cid->cid, &src_cid, lazy_cid)) in __sched_mm_cid_migrate_from_try_steal_cid()
10402 if (!try_cmpxchg(&src_pcpu_cid->cid, &lazy_cid, MM_CID_UNSET)) in __sched_mm_cid_migrate_from_try_steal_cid()
10486 if (!try_cmpxchg(&pcpu_cid->cid, &cid, lazy_cid)) in sched_mm_cid_remote_clear()
10519 if (try_cmpxchg(&pcpu_cid->cid, &lazy_cid, MM_CID_UNSET)) in sched_mm_cid_remote_clear()
10598 if (!try_cmpxchg(&mm->mm_cid_next_scan, &old_scan, next_scan)) in task_mm_cid_work()
/linux-6.15/block/
H A Dblk-core.c1020 likely(try_cmpxchg(&part->bd_stamp, &stamp, now)) && in update_io_ticks()
/linux-6.15/fs/
H A Dposix_acl.c177 if (unlikely(!try_cmpxchg(p, &sentinel, acl))) in __get_acl()

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