| /linux-6.15/tools/testing/selftests/net/forwarding/ |
| D | bridge_locked_port.sh | 102 bridge link set dev $swp1 locked on
112 bridge link set dev $swp1 locked off
118 log_test "Locked port ipv4"
133 bridge link set dev $swp1 locked on
142 bridge link set dev $swp1 locked off
150 log_test "Locked port vlan"
161 bridge link set dev $swp1 locked on
170 bridge link set dev $swp1 locked off
176 log_test "Locked port ipv6"
187 bridge link set dev $swp1 learning on locked on
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| /linux-6.15/Documentation/i2c/ |
| D | i2c-topology.rst | 40 mux-locked or parent-locked muxes.
43 Mux-locked muxes
46 Mux-locked muxes does not lock the entire parent adapter during the
48 adapter are locked. Mux-locked muxes are mostly interesting if the
50 their tasks. Since the parent adapter is not fully locked during the
55 Mux-locked Example
62 | root |--+--| locked | '--------'
87 Mux-locked caveats
90 When using a mux-locked mux, be aware of the following restrictions:
93 If you build a topology with a mux-locked mux being the parent
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| /linux-6.15/include/drm/ |
| D | drm_exec.h | 29 * @num_objects: number of objects locked
39 * @objects: array of the locked objects
49 * @prelocked: already locked GEM object due to contention
59 * Return: Pointer to the locked object corresponding to @index if
60 * index is within the number of locked objects. NULL otherwise.
69 * drm_exec_for_each_locked_object - iterate over all the locked objects
74 * Iterate over all the locked GEM objects inside the drm_exec object.
80 * drm_exec_for_each_locked_object_reverse - iterate over all the locked
86 * Iterate over all the locked GEM objects inside the drm_exec object in
95 * drm_exec_until_all_locked - loop until all GEM objects are locked
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| /linux-6.15/arch/x86/kernel/cpu/resctrl/ |
| D | pseudo_lock.c | 43 * pseudo-locked regions.
70 * pseudo-locking. This includes testing to ensure pseudo-locked regions
72 * as well as that these pseudo-locked regions can maintain their low cache
159 * @minor: The minor number of the device representing pseudo-locked region
162 * pseudo-locked region it belongs to. This is done by matching the minor
163 * number of the device to the pseudo-locked region it belongs.
165 * Minor numbers are assigned at the time a pseudo-locked region is associated
168 * Return: On success return pointer to resource group owning the pseudo-locked
186 * @list: Entry within the @pm_reqs list for a pseudo-locked region
207 * @plr: Pseudo-locked region
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| /linux-6.15/kernel/locking/ |
| D | qspinlock_paravirt.h | 92 try_cmpxchg_acquire(&lock->locked, &old, _Q_LOCKED_VAL)) { in pv_hybrid_queued_unfair_trylock()
124 return !READ_ONCE(lock->locked) && in trylock_clear_pending()
142 * Try to clear pending bit & set locked bit in trylock_clear_pending()
286 * Wait for node->locked to become true, halt the vcpu after a short spin.
299 if (READ_ONCE(node->locked)) in pv_wait_node()
309 * Order pn->state vs pn->locked thusly: in pv_wait_node()
311 * [S] pn->state = VCPU_HALTED [S] next->locked = 1 in pv_wait_node()
313 * [L] pn->locked [RmW] pn->state = VCPU_HASHED in pv_wait_node()
319 if (!READ_ONCE(node->locked)) { in pv_wait_node()
333 * If the locked flag is still not set after wakeup, it is a in pv_wait_node()
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| D | mcs_spinlock.h | 53 * on this node->locked until the previous lock holder sets the node->locked
62 node->locked = 0; in mcs_spin_lock()
74 * Lock acquired, don't need to set node->locked to 1. Threads in mcs_spin_lock()
75 * only spin on its own node->locked value for lock acquisition. in mcs_spin_lock()
77 * and does not proceed to spin on its own node->locked, this in mcs_spin_lock()
79 * audit lock status, then set node->locked value here. in mcs_spin_lock()
86 arch_mcs_spin_lock_contended(&node->locked); in mcs_spin_lock()
110 arch_mcs_spin_unlock_contended(&next->locked); in mcs_spin_unlock()
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| D | qspinlock.c | 48 * unlock the next pending (next->locked), we compress both these: {tail,
49 * next->locked} into a single u32 value.
145 * Wait for in-progress pending->locked hand-overs with a bounded in queued_spin_lock_slowpath()
191 * store-release that clears the locked bit and create lock in queued_spin_lock_slowpath()
197 smp_cond_load_acquire(&lock->locked, !VAL); in queued_spin_lock_slowpath()
251 node->locked = 0; in queued_spin_lock_slowpath()
291 arch_mcs_spin_lock_contended(&node->locked); in queued_spin_lock_slowpath()
311 * store-release that clears the locked bit and create lock in queued_spin_lock_slowpath()
318 * been designated yet, there is no way for the locked value to become in queued_spin_lock_slowpath()
326 goto locked; in queued_spin_lock_slowpath()
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| /linux-6.15/scripts/coccinelle/locks/ |
| D | double_lock.cocci | 17 @locked@
42 position p1 != locked.p1;
43 position locked.p;
45 expression x <= locked.E1;
46 expression E,locked.E1;
65 expression x <= locked.E1;
66 expression locked.E1;
69 position locked.p,p1,p2;
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| D | call_kern.cocci | 39 @locked exists@
74 @depends on locked && patch@
81 @depends on locked && !patch@
90 p1 << locked.p1;
91 p2 << locked.p2;
101 p1 << locked.p1;
102 p2 << locked.p2;
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| /linux-6.15/tools/testing/selftests/mm/ |
| D | mlock2-tests.c | 92 #define LOCKED "lo" macro
133 bool locked; in is_vma_lock_on_fault() local
136 locked = is_vmflag_set(addr, LOCKED); in is_vma_lock_on_fault()
137 if (!locked) in is_vma_lock_on_fault()
153 bool locked; in lock_check() local
156 locked = is_vmflag_set(addr, LOCKED); in lock_check()
157 if (!locked) in lock_check()
168 if (is_vmflag_set((unsigned long)map, LOCKED)) { in unlock_lock_check()
169 ksft_print_msg("VMA flag %s is present on page 1 after unlock\n", LOCKED); in unlock_lock_check()
191 ksft_test_result(lock_check((unsigned long)map), "%s: Locked\n", __func__); in test_mlock_lock()
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| /linux-6.15/drivers/gpu/drm/ |
| D | drm_exec.c | 15 * unlocks all previously locked GEM objects and locks the contended one first
18 * After an object is locked fences slots can optionally be reserved on the
74 * Initialize the object and make sure that we can track locked objects.
99 * Unlock all locked objects, drop the references to objects and free all memory
119 * objects locked.
140 /* Track the locked object in the array */
161 /* Make sure the contended object is locked first */
204 * already locked (can be suppressed by setting the DRM_EXEC_IGNORE_DUPLICATES
256 * Unlock the GEM object and remove it from the collection of locked objects.
257 * Should only be used to unlock the most recently locked objects. It's not time
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| /linux-6.15/drivers/mtd/spi-nor/ |
| D | otp.c | 189 /* no need to write the register if region is already locked */ in spi_nor_otp_lock_sr2()
254 int ret, locked; in spi_nor_mtd_otp_info() local
267 locked = ops->is_locked(nor, i); in spi_nor_mtd_otp_info()
268 if (locked < 0) { in spi_nor_mtd_otp_info()
269 ret = locked; in spi_nor_mtd_otp_info()
273 buf->locked = !!locked; in spi_nor_mtd_otp_info()
290 int locked; in spi_nor_mtd_otp_range_is_locked() local
293 * If any of the affected OTP regions are locked the entire range is in spi_nor_mtd_otp_range_is_locked()
294 * considered locked. in spi_nor_mtd_otp_range_is_locked()
299 locked = ops->is_locked(nor, region); in spi_nor_mtd_otp_range_is_locked()
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| D | swp.c | 90 * Return true if the entire region is locked (if @locked is true) or unlocked
91 * (if @locked is false); false otherwise.
94 u64 len, u8 sr, bool locked) in spi_nor_check_lock_status_sr() argument
107 if (locked) in spi_nor_check_lock_status_sr()
108 /* Requested range is a sub-range of locked range */ in spi_nor_check_lock_status_sr()
111 /* Requested range does not overlap with locked range */ in spi_nor_check_lock_status_sr()
196 /* lock_len: length of region that should end up locked */ in spi_nor_sr_lock()
267 /* If nothing in our range is locked, we don't need to do anything */ in spi_nor_sr_unlock()
271 /* If anything below us is locked, we can't use 'top' protection */ in spi_nor_sr_unlock()
275 /* If anything above us is locked, we can't use 'bottom' protection */ in spi_nor_sr_unlock()
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| /linux-6.15/include/linux/ |
| D | hwspinlock.h | 160 * immediately fail if the hwspinlock is already locked.
167 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
181 * immediately fail if the hwspinlock is already locked.
187 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
206 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
223 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
243 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
253 * @hwlock: the hwspinlock to be locked
277 * @hwlock: the hwspinlock to be locked
300 * @hwlock: the hwspinlock to be locked
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| D | ww_mutex.h | 69 * @first_lock_dep_map: fake lockdep_map for first locked ww_mutex.
71 * lockdep requires the lockdep_map for the first locked ww_mutex
74 * fake locked ww_mutex lockdep map between ww_acquire_init() and
106 * It is not allowed to initialize an already locked mutex.
178 * code and clearly designated the acquire phase from actually using the locked
242 * locked. The mutex must first be initialized (or statically defined) before it
243 * can be locked. memset()-ing the mutex to 0 is not allowed. The mutex must be
274 * locked. The mutex must first be initialized (or statically defined) before it
275 * can be locked. memset()-ing the mutex to 0 is not allowed. The mutex must be
362 * use of the mutex is forbidden. The mutex must not be locked when
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| /linux-6.15/drivers/net/ethernet/intel/ice/ |
| D | ice_dcb_lib.h | 18 int ice_dcb_sw_dflt_cfg(struct ice_pf *pf, bool ets_willing, bool locked);
24 ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked);
26 void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked);
28 int ice_init_pf_dcb(struct ice_pf *pf, bool locked);
93 ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked) in ice_init_pf_dcb() argument
102 bool __always_unused locked) in ice_pf_dcb_cfg() argument
131 static inline void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked) { } in ice_pf_dcb_recfg() argument
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| /linux-6.15/drivers/media/dvb-frontends/ |
| D | lgs8gxx.c | 295 static int lgs8gxx_is_locked(struct lgs8gxx_state *priv, u8 *locked) in lgs8gxx_is_locked() argument
308 *locked = ((t & 0x80) == 0x80) ? 1 : 0; in lgs8gxx_is_locked()
310 *locked = ((t & 0xC0) == 0xC0) ? 1 : 0; in lgs8gxx_is_locked()
315 static int lgs8gxx_wait_ca_lock(struct lgs8gxx_state *priv, u8 *locked) in lgs8gxx_wait_ca_lock() argument
331 *locked = (ret == 0) ? 1 : 0; in lgs8gxx_wait_ca_lock()
359 u8 *locked) in lgs8gxx_autolock_gi() argument
384 err = lgs8gxx_wait_ca_lock(priv, locked); in lgs8gxx_autolock_gi()
385 if (err || !(*locked)) in lgs8gxx_autolock_gi()
393 *locked = 0; in lgs8gxx_autolock_gi()
403 u8 locked = 0, tmp_gi; in lgs8gxx_auto_detect() local
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| /linux-6.15/fs/btrfs/ |
| D | subpage.c | 76 * and doesn't need to be locked. in btrfs_attach_subpage()
234 const int start_bit = subpage_calc_start_bit(fs_info, folio, locked, start, len); in btrfs_subpage_end_and_test_lock()
248 * This @locked_page is locked by plain lock_page(), thus its in btrfs_subpage_end_and_test_lock()
249 * subpage::locked is 0. Handle them in a special way. in btrfs_subpage_end_and_test_lock()
267 * Handle different locked folios:
272 * - folio locked but without any subpage locked
277 * - folio locked with subpage range locked.
278 * We go through the locked sectors inside the range and clear their locked
280 * the last locked range.
295 * For subpage case, there are two types of locked page. With or in btrfs_folio_end_lock()
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| /linux-6.15/drivers/thermal/intel/ |
| D | intel_quark_dts_thermal.c | 100 bool locked; member
129 if (!aux_entry->locked) { in soc_dts_enable()
136 pr_info("DTS is locked. Cannot enable DTS\n"); in soc_dts_enable()
157 if (!aux_entry->locked) { in soc_dts_disable()
165 pr_info("DTS is locked. Cannot disable DTS\n"); in soc_dts_disable()
206 if (aux_entry->locked) { in update_trip_temp()
316 if (!aux_entry->locked) { in free_soc_dts()
345 /* Check if DTS register is locked */ in alloc_soc_dts()
351 aux_entry->locked = !!(out & QRK_DTS_LOCK_BIT); in alloc_soc_dts()
353 /* Store DTS default state if DTS registers are not locked */ in alloc_soc_dts()
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| /linux-6.15/include/asm-generic/ |
| D | qspinlock_types.h | 25 u8 locked; member
40 u8 locked; member
55 * 0- 7: locked byte
62 * 0- 7: locked byte
71 #define _Q_LOCKED_MASK _Q_SET_MASK(LOCKED)
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| /linux-6.15/Documentation/filesystems/ |
| D | directory-locking.rst | 44 * decide which of the source and target need to be locked.
45 The source needs to be locked if it's a non-directory, target - if it's
49 are non-directories - the source because it wouldn't need to be locked
66 to be read, modified or removed by method will be locked by the caller.
89 dcache trees. Lookup is already holding the parent locked. If alias is
102 all we change is the view in dcache. Moreover, holding a directory locked
185 Each operation in the minimal cycle must have locked at least
204 In other words, we have a cross-directory rename that locked
213 Consider the order in which directories are locked by the
215 Dn and D1 would have to be among those, with Dn locked before D1.
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| /linux-6.15/drivers/media/common/siano/ |
| D | smscoreapi.h | 677 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
678 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
802 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
803 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
816 u32 modem_state; /* 0 - Acquisition, 1 - Locked */
844 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
845 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
858 u32 modem_state; /* 0 - Acquisition, 1 - Locked */
942 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
946 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
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| /linux-6.15/Documentation/devicetree/bindings/i2c/ |
| D | i2c-mux-gpmux.yaml | 49 mux-locked:
63 If mux-locked is not present, the multiplexer is assumed to be parent-locked.
66 The properties of mux-locked and parent-locked multiplexers are discussed
89 mux-locked;
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| /linux-6.15/mm/ |
| D | gup.c | 1151 * FOLL_NOWAIT, the mmap_lock may be released. If it is, *@locked will be set
1156 int *locked) in faultin_page() argument
1201 *locked = 0; in faultin_page()
1223 *locked = 0; in faultin_page()
1376 * @locked: whether we're still with the mmap_lock held
1411 * be released. If this happens *@locked will be set to 0 on return.
1424 int *locked) in __get_user_pages() argument
1492 PTR_ERR(page) == -EMLINK, locked); in __get_user_pages()
1702 * Locking: (*locked == 1) means that the mmap_lock has already been acquired by
1704 * set (*locked = 0).
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| /linux-6.15/arch/arc/include/asm/ |
| D | spinlock.h | 23 " breq %[val], %[LOCKED], 1b \n" /* spin while LOCKED */ in arch_spin_lock()
24 " scond %[LOCKED], [%[slock]] \n" /* acquire */ in arch_spin_lock()
29 [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) in arch_spin_lock()
50 " breq %[val], %[LOCKED], 4f \n" /* already LOCKED, just bail */ in arch_spin_trylock()
51 " scond %[LOCKED], [%[slock]] \n" /* acquire */ in arch_spin_trylock()
59 [LOCKED] "r" (__ARCH_SPIN_LOCK_LOCKED__) in arch_spin_trylock()
95 " brls %[val], %[WR_LOCKED], 1b\n" /* <= 0: spin while write locked */ in arch_read_lock()
115 " brls %[val], %[WR_LOCKED], 4f\n" /* <= 0: already write locked, bail */ in arch_read_trylock()
|