| /Linux-v6.1/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-v6.1/kernel/locking/ |
| D | qspinlock_paravirt.h | 91 (cmpxchg_acquire(&lock->locked, 0, _Q_LOCKED_VAL) == 0)) { in pv_hybrid_queued_unfair_trylock()
121 return !READ_ONCE(lock->locked) && in trylock_clear_pending()
142 * Try to clear pending bit & set locked bit in trylock_clear_pending()
289 * Wait for node->locked to become true, halt the vcpu after a short spin.
302 if (READ_ONCE(node->locked)) in pv_wait_node()
312 * Order pn->state vs pn->locked thusly: in pv_wait_node()
314 * [S] pn->state = vcpu_halted [S] next->locked = 1 in pv_wait_node()
316 * [L] pn->locked [RmW] pn->state = vcpu_hashed in pv_wait_node()
322 if (!READ_ONCE(node->locked)) { in pv_wait_node()
336 * 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 | 20 int locked; /* 1 if lock acquired */ member
61 * on this node->locked until the previous lock holder sets the node->locked
70 node->locked = 0; in mcs_spin_lock()
82 * Lock acquired, don't need to set node->locked to 1. Threads in mcs_spin_lock()
83 * only spin on its own node->locked value for lock acquisition. in mcs_spin_lock()
85 * and does not proceed to spin on its own node->locked, this in mcs_spin_lock()
87 * audit lock status, then set node->locked value here. in mcs_spin_lock()
94 arch_mcs_spin_lock_contended(&node->locked); in mcs_spin_lock()
118 arch_mcs_spin_unlock_contended(&next->locked); in mcs_spin_unlock()
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| /Linux-v6.1/arch/x86/kernel/cpu/resctrl/ |
| D | pseudo_lock.c | 44 * pseudo-locked regions.
55 * pseudo-locking. This includes testing to ensure pseudo-locked regions
57 * as well as that these pseudo-locked regions can maintain their low cache
140 * @minor: The minor number of the device representing pseudo-locked region
143 * pseudo-locked region it belongs to. This is done by matching the minor
144 * number of the device to the pseudo-locked region it belongs.
146 * Minor numbers are assigned at the time a pseudo-locked region is associated
149 * Return: On success return pointer to resource group owning the pseudo-locked
167 * @list: Entry within the @pm_reqs list for a pseudo-locked region
188 * @plr: Pseudo-locked region
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| /Linux-v6.1/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-v6.1/tools/testing/selftests/drivers/net/dsa/ |
| D | bridge_locked_port.sh | 92 bridge link set dev $swp1 locked on
102 bridge link set dev $swp1 locked off
108 log_test "Locked port ipv4"
123 bridge link set dev $swp1 locked on
132 bridge link set dev $swp1 locked off
140 log_test "Locked port vlan"
151 bridge link set dev $swp1 locked on
160 bridge link set dev $swp1 locked off
166 log_test "Locked port ipv6"
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| /Linux-v6.1/tools/testing/selftests/net/forwarding/ |
| D | bridge_locked_port.sh | 92 bridge link set dev $swp1 locked on
102 bridge link set dev $swp1 locked off
108 log_test "Locked port ipv4"
123 bridge link set dev $swp1 locked on
132 bridge link set dev $swp1 locked off
140 log_test "Locked port vlan"
151 bridge link set dev $swp1 locked on
160 bridge link set dev $swp1 locked off
166 log_test "Locked port ipv6"
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| /Linux-v6.1/drivers/thermal/intel/ |
| D | intel_quark_dts_thermal.c | 95 /* If DTS not locked, all trip points are configurable */
97 /* If DTS locked, all trip points are not configurable */
103 bool locked; member
132 if (!aux_entry->locked) { in soc_dts_enable()
139 pr_info("DTS is locked. Cannot enable DTS\n"); in soc_dts_enable()
160 if (!aux_entry->locked) { in soc_dts_disable()
168 pr_info("DTS is locked. Cannot disable DTS\n"); in soc_dts_disable()
220 if (aux_entry->locked) { in update_trip_temp()
328 if (!aux_entry->locked) { in free_soc_dts()
357 /* Check if DTS register is locked */ in alloc_soc_dts()
[all …]
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| /Linux-v6.1/drivers/mtd/spi-nor/ |
| D | otp.c | 188 /* no need to write the register if region is already locked */ in spi_nor_otp_lock_sr2()
253 int ret, locked; in spi_nor_mtd_otp_info() local
266 locked = ops->is_locked(nor, i); in spi_nor_mtd_otp_info()
267 if (locked < 0) { in spi_nor_mtd_otp_info()
268 ret = locked; in spi_nor_mtd_otp_info()
272 buf->locked = !!locked; in spi_nor_mtd_otp_info()
289 int locked; in spi_nor_mtd_otp_range_is_locked() local
292 * If any of the affected OTP regions are locked the entire range is in spi_nor_mtd_otp_range_is_locked()
293 * considered locked. in spi_nor_mtd_otp_range_is_locked()
298 locked = ops->is_locked(nor, region); in spi_nor_mtd_otp_range_is_locked()
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| D | swp.c | 84 * Return true if the entire region is locked (if @locked is true) or unlocked
85 * (if @locked is false); false otherwise.
88 uint64_t len, u8 sr, bool locked) in spi_nor_check_lock_status_sr() argument
101 if (locked) in spi_nor_check_lock_status_sr()
102 /* Requested range is a sub-range of locked range */ in spi_nor_check_lock_status_sr()
105 /* Requested range does not overlap with locked range */ in spi_nor_check_lock_status_sr()
191 /* lock_len: length of region that should end up locked */ in spi_nor_sr_lock()
257 /* If nothing in our range is locked, we don't need to do anything */ in spi_nor_sr_unlock()
261 /* If anything below us is locked, we can't use 'top' protection */ in spi_nor_sr_unlock()
265 /* If anything above us is locked, we can't use 'bottom' protection */ in spi_nor_sr_unlock()
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| /Linux-v6.1/tools/testing/selftests/rcutorture/formal/srcu-cbmc/src/ |
| D | locks.h | 58 bool locked; member
65 return __sync_bool_compare_and_swap(&lock->locked, false, true); in lock_impl_trylock()
68 bool old_locked = lock->locked; in lock_impl_trylock()
69 lock->locked = true; in lock_impl_trylock()
96 BUG_ON(!__sync_bool_compare_and_swap(&lock->locked, true, false)); in lock_impl_unlock()
102 bool old_locked = lock->locked; in lock_impl_unlock()
103 lock->locked = false; in lock_impl_unlock()
112 lock->locked = false; in lock_impl_init()
115 #define LOCK_IMPL_INITIALIZER {.locked = false}
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| /Linux-v6.1/include/linux/ |
| D | hwspinlock.h | 172 * immediately fail if the hwspinlock is already locked.
179 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
193 * immediately fail if the hwspinlock is already locked.
199 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
218 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
235 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
255 * Returns 0 if we successfully locked the hwspinlock, -EBUSY if
265 * @hwlock: the hwspinlock to be locked
289 * @hwlock: the hwspinlock to be locked
312 * @hwlock: the hwspinlock to be locked
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| /Linux-v6.1/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-v6.1/Documentation/x86/ |
| D | resctrl.rst | 118 Corresponding region is pseudo-locked. No
224 When the resource group is in pseudo-locked mode this file will
226 pseudo-locked region.
248 cache pseudo-locked region is created by first writing
250 pseudo-locked region's schemata to the resource group's "schemata"
251 file. On successful pseudo-locked region creation the mode will
252 automatically change to "pseudo-locked".
490 pseudo-locked memory is made accessible to user space where an
494 The creation of a cache pseudo-locked region is triggered by a request
496 to be pseudo-locked. The cache pseudo-locked region is created as follows:
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| /Linux-v6.1/io_uring/ |
| D | io_uring.h | 30 int __io_run_local_work(struct io_ring_ctx *ctx, bool *locked);
59 void io_req_task_complete(struct io_kiocb *req, bool *locked);
61 void io_req_task_submit(struct io_kiocb *req, bool *locked);
67 int io_poll_issue(struct io_kiocb *req, bool *locked);
285 bool locked; in io_run_local_work_locked() local
291 locked = true; in io_run_local_work_locked()
292 ret = __io_run_local_work(ctx, &locked); in io_run_local_work_locked()
294 if (WARN_ON_ONCE(!locked)) in io_run_local_work_locked()
299 static inline void io_tw_lock(struct io_ring_ctx *ctx, bool *locked) in io_tw_lock() argument
301 if (!*locked) { in io_tw_lock()
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| /Linux-v6.1/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-v6.1/drivers/media/common/siano/ |
| D | smscoreapi.h | 678 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
679 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
803 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
804 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
817 u32 modem_state; /* 0 - Acquisition, 1 - Locked */
845 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
846 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
859 u32 modem_state; /* 0 - Acquisition, 1 - Locked */
943 u32 is_demod_locked; /* 0 - not locked, 1 - locked */
947 u32 is_rf_locked; /* 0 - not locked, 1 - locked */
[all …]
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| /Linux-v6.1/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-v6.1/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()
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| /Linux-v6.1/mm/ |
| D | gup.c | 975 * mmap_lock must be held on entry. If @locked != NULL and *@flags
977 * is, *@locked will be set to 0 and -EBUSY returned.
981 int *locked) in faultin_page() argument
992 if (locked) in faultin_page()
1017 if (locked) in faultin_page()
1018 *locked = 0; in faultin_page()
1038 if (locked && !(fault_flags & FAULT_FLAG_RETRY_NOWAIT)) in faultin_page()
1039 *locked = 0; in faultin_page()
1110 * @locked: whether we're still with the mmap_lock held
1146 * If @locked != NULL, *@locked will be set to 0 when mmap_lock is
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| /Linux-v6.1/include/media/i2c/ |
| D | upd64083.h | 28 /* YCS mode: Y/C separation (burst locked clocking) */
30 /* YCS+ mode: 2D Y/C separation and YCNR (burst locked clocking) */
35 /* MNNR mode: frame comb type YNR+C delay (line locked clocking) */
37 /* YCNR mode: frame recursive YCNR (burst locked clocking) */
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| /Linux-v6.1/tools/testing/selftests/vm/ |
| D | mlock2-tests.c | 107 #define LOCKED "lo" macro
148 bool locked; in is_vma_lock_on_fault() local
151 locked = is_vmflag_set(addr, LOCKED); in is_vma_lock_on_fault()
152 if (!locked) in is_vma_lock_on_fault()
168 bool locked; in lock_check() local
171 locked = is_vmflag_set(addr, LOCKED); in lock_check()
172 if (!locked) in lock_check()
183 if (is_vmflag_set((unsigned long)map, LOCKED)) { in unlock_lock_check()
184 printf("VMA flag %s is present on page 1 after unlock\n", LOCKED); in unlock_lock_check()
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| /Linux-v6.1/drivers/video/fbdev/ |
| D | ep93xx-fb.c | 27 #define EP93XXFB_VLINES_TOTAL 0x0000 /* SW locked */
28 #define EP93XXFB_VSYNC 0x0004 /* SW locked */
29 #define EP93XXFB_VACTIVE 0x0008 /* SW locked */
30 #define EP93XXFB_VBLANK 0x0228 /* SW locked */
31 #define EP93XXFB_VCLK 0x000c /* SW locked */
34 #define EP93XXFB_HCLKS_TOTAL 0x0010 /* SW locked */
35 #define EP93XXFB_HSYNC 0x0014 /* SW locked */
36 #define EP93XXFB_HACTIVE 0x0018 /* SW locked */
37 #define EP93XXFB_HBLANK 0x022c /* SW locked */
38 #define EP93XXFB_HCLK 0x001c /* SW locked */
[all …]
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| /Linux-v6.1/drivers/staging/media/atomisp/pci/ |
| D | ia_css_err.h | 34 This warning can be avoided by unlocking locked frame-buffers more timely. */
35 …ARNING_EXP_ID_LOCKED, /* < Exposure ID skipped because the frame associated to it was still locked.
36 This warning can be avoided by unlocking locked frame-buffers more timely. */
38 This warning can be avoided by unlocking locked frame-buffers more timely. */
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