| /linux-6.15/tools/testing/selftests/signal/ |
| D | mangle_uc_sigmask.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * Test describing a clear distinction between signal states - delivered and
8 * blocked, and their relation with ucontext.
11 * blocked signals; such a signal, when sent to the process by the kernel,
12 * will get blocked by the process and it may later unblock it and take an
21 * The thread's mask of blocked signals can be permanently changed, i.e, not
29 * program is executing inside the handler, will be blocked; they will be
32 * For standard signals (also see real-time signals in the man page), multiple
33 * blocked instances of the same signal are not queued; such a signal will
48 /* Kernel dumps ucontext with USR2 blocked */ in handler_verify_ucontext()
[all …]
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| /linux-6.15/Documentation/devicetree/bindings/net/ |
| D | rfkill-gpio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/rfkill-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Johannes Berg <johannes@sipsolutions.net>
11 - Philipp Zabel <p.zabel@pengutronix.de>
15 const: rfkill-gpio
20 radio-type:
23 - bluetooth
24 - fm
[all …]
|
| /linux-6.15/tools/perf/Documentation/ |
| D | perf-mem.txt | 1 perf-mem(1)
5 ----
6 perf-mem - Profile memory accesses
9 --------
14 -----------
19 right set of options to display a memory access profile. By default, loads
20 and stores are sampled. Use the -t option to limit to loads or stores.
22 Note that on Intel systems the memory latency reported is the use-latency,
27 and kernel support is required. See linkperf:perf-arm-spe[1] for a setup guide.
32 --------------
[all …]
|
| D | perf-report.txt | 1 perf-report(1)
5 ----
6 perf-report - Read perf.data (created by perf record) and display the profile
9 --------
11 'perf report' [-i <file> | --input=file]
14 -----------
19 -------
20 -i::
21 --input=::
22 Input file name. (default: perf.data unless stdin is a fifo)
[all …]
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| /linux-6.15/include/linux/ |
| D | rfkill.h | 2 * Copyright (C) 2006 - 2007 Ivo van Doorn
44 * struct rfkill_ops - rfkill driver methods
46 * @poll: poll the rfkill block state(s) -- only assign this method
57 * @set_block: turn the transmitter on (blocked == false) or off
58 * (blocked == true) -- ignore and return 0 when hard blocked.
64 int (*set_block)(void *data, bool blocked);
69 * rfkill_alloc - Allocate rfkill structure
70 * @name: name of the struct -- the string is not copied internally
86 * rfkill_register - Register a rfkill structure.
94 * set_block() will be called to initialize the software blocked state
[all …]
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| /linux-6.15/include/uapi/linux/ |
| D | fsi.h | 1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
25 #define SCOM_INTF_ERR_PROTECTION 0x00000002 /* Blocked by secure boot */
33 __u8 pib_status; /* 3-bit PIB status */
35 #define SCOM_PIB_BLOCKED 1 /* PIB blocked, pls retry */
47 #define SCOM_CHECK_PROTECTED 0x00000002 /* Interface blocked by secure boot */
66 * timeout is 1 seconds (default) and the maximum value of command timeout is
67 * 120 seconds. A command timeout of 0 will reset the value to the default of
76 * timeout is 10 seconds (default) and the maximum value of read timeout is
77 * 120 seconds. A read timeout of 0 will reset the value to the default of
|
| /linux-6.15/net/rfkill/ |
| D | rfkill-gpio.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
31 static int rfkill_gpio_set_power(void *data, bool blocked) in rfkill_gpio_set_power() argument
35 if (!blocked && !IS_ERR(rfkill->clk) && !rfkill->clk_enabled) { in rfkill_gpio_set_power()
36 int ret = clk_enable(rfkill->clk); in rfkill_gpio_set_power()
42 gpiod_set_value_cansleep(rfkill->shutdown_gpio, !blocked); in rfkill_gpio_set_power()
43 gpiod_set_value_cansleep(rfkill->reset_gpio, !blocked); in rfkill_gpio_set_power()
45 if (blocked && !IS_ERR(rfkill->clk) && rfkill->clk_enabled) in rfkill_gpio_set_power()
46 clk_disable(rfkill->clk); in rfkill_gpio_set_power()
48 rfkill->clk_enabled = !blocked; in rfkill_gpio_set_power()
61 { "reset-gpios", &reset_gpios, 1 },
[all …]
|
| D | core.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2006 - 2007 Ivo van Doorn
96 * rfkill method calls -- which will cause an AB-BA deadlock situation.
98 * To fix that, we need to rework this code here to be mostly lock-free
110 "Default initial state for all radio types, 0 = radio off");
124 if (!rfkill->registered) in rfkill_led_trigger_event()
127 trigger = &rfkill->led_trigger; in rfkill_led_trigger_event()
129 if (rfkill->state & RFKILL_BLOCK_ANY) in rfkill_led_trigger_event()
139 rfkill = container_of(led->trigger, struct rfkill, led_trigger); in rfkill_led_trigger_activate()
148 return rfkill->led_trigger.name; in rfkill_get_led_trigger_name()
[all …]
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| D | input.c | 1 // SPDX-License-Identifier: GPL-2.0-only
10 * "rfkill-input: remove unused code".
73 default: in __rfkill_handle_global_op()
85 bool blocked; in __rfkill_handle_normal_op() local
87 blocked = rfkill_get_global_sw_state(type); in __rfkill_handle_normal_op()
89 blocked = !blocked; in __rfkill_handle_normal_op()
91 rfkill_switch_all(type, blocked); in __rfkill_handle_normal_op()
113 * handle global ops first -- during unlocked period in rfkill_op_handler()
226 return -ENOMEM; in rfkill_connect()
228 handle->dev = dev; in rfkill_connect()
[all …]
|
| /linux-6.15/fs/lockd/ |
| D | svclock.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Handling of server-side locks, mostly of the blocked variety.
7 * GRANT and CANCEL calls may get stuck, meet in mid-flight, etc.
13 * to a file's list of blocked locks through a semaphore. The global
14 * list of blocked locks is not protected in this fashion however.
16 * call) move blocked locks towards the head of the list *while some other
51 * The list of blocked locks to retry
61 * from lockd, which is single-threaded. in nlmdbg_cookie2a()
67 len--; /* allow for trailing \0 */ in nlmdbg_cookie2a()
70 for (i = 0 ; i < cookie->len ; i++) { in nlmdbg_cookie2a()
[all …]
|
| /linux-6.15/kernel/ |
| D | signal.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * 1997-11-02 Modified for POSIX.1b signals by Richard Henderson
9 * 2003-06-02 Jim Houston - Concurrent Computer Corp.
46 #include <linux/posix-timers.h>
62 #include "time/posix-timers.h"
74 return t->sighand->action[sig - 1].sa.sa_handler; in sig_handler()
94 if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) && in sig_task_ignored()
99 if (unlikely((t->flags & PF_KTHREAD) && in sig_task_ignored()
109 * Blocked signals are never ignored, since the in sig_ignored()
113 if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig)) in sig_ignored()
[all …]
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| D | hung_task.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * kernel/hung_task.c - kernel thread for detecting tasks stuck in D state
43 * the RCU grace period. So it needs to be upper-bound.
48 * Zero means infinite timeout - no checking done:
54 * Zero (default value) means use sysctl_hung_task_timeout_secs:
106 lock = READ_ONCE(task->blocker_mutex); in debug_show_blocker()
112 pr_err("INFO: task %s:%d is blocked on a mutex, but the owner is not found.\n", in debug_show_blocker()
113 task->comm, task->pid); in debug_show_blocker()
120 pr_err("INFO: task %s:%d is blocked on a mutex likely owned by task %s:%d.\n", in debug_show_blocker()
121 task->comm, task->pid, t->comm, t->pid); in debug_show_blocker()
[all …]
|
| D | compat.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 * Copyright (C) 2002-2003 Stephen Rothwell, IBM Corporation
22 #include <linux/posix-timers.h>
33 * blocked set of signals to the supplied signal set
35 static inline void compat_sig_setmask(sigset_t *blocked, compat_sigset_word set) in compat_sig_setmask() argument
37 memcpy(blocked->sig, &set, sizeof(set)); in compat_sig_setmask()
47 old_set = current->blocked.sig[0]; in COMPAT_SYSCALL_DEFINE3()
51 return -EFAULT; in COMPAT_SYSCALL_DEFINE3()
54 new_blocked = current->blocked; in COMPAT_SYSCALL_DEFINE3()
66 default: in COMPAT_SYSCALL_DEFINE3()
[all …]
|
| /linux-6.15/Documentation/admin-guide/ |
| D | md.rst | 5 ---------------------------------
49 -1 linear mode
58 (raid-0 and raid-1 only)
78 --------------------------------------
87 that all auto-detected arrays are assembled as partitionable.
90 -------------------------------------------
102 mdadm --assemble --force ....
112 md-mod.start_dirty_degraded=1
116 ------------------
119 Currently, it supports superblock formats ``0.90.0`` and the ``md-1`` format
[all …]
|
| /linux-6.15/Documentation/driver-api/ |
| D | rfkill.rst | 2 rfkill - RF kill switch support
13 transmitter in the system. When a transmitter is blocked, it shall not
25 - hard block
26 read-only radio block that cannot be overridden by software
28 - soft block
34 admin-guide/kernel-parameters.rst.
43 * the deprecated rfkill-input module (an input layer handler, being
49 the system know about hardware-disabled states that may be implemented on
56 When the device is hard-blocked (either by a call to rfkill_set_hw_state()
83 to ensure the driver cannot be built-in when rfkill is modular. The !RFKILL
[all …]
|
| /linux-6.15/include/scsi/ |
| D | scsi_transport_srp.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
18 * enum srp_rport_state - SRP transport layer state
21 * is running and I/O has been blocked.
33 * struct srp_rport - SRP initiator or target port
37 * @port_id: 16-byte port identifier.
38 * @roles: Role of this port - initiator or target.
77 * struct srp_function_template - template for SRP initiator drivers
83 * timer if the device on which it has been queued is blocked.
84 * @reconnect_delay: If not NULL, points to the default reconnect_delay value.
85 * @fast_io_fail_tmo: If not NULL, points to the default fast_io_fail_tmo value.
[all …]
|
| /linux-6.15/arch/hexagon/kernel/ |
| D | signal.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
30 unsigned long sp = sigsp(regs->r29, ksig); in get_sigframe()
32 return (void __user *)((sp - frame_size) & ~(sizeof(long long) - 1)); in get_sigframe()
40 err |= copy_to_user(&sc->sc_regs.r0, ®s->r00, in setup_sigcontext()
43 err |= __put_user(regs->sa0, &sc->sc_regs.sa0); in setup_sigcontext()
44 err |= __put_user(regs->lc0, &sc->sc_regs.lc0); in setup_sigcontext()
45 err |= __put_user(regs->sa1, &sc->sc_regs.sa1); in setup_sigcontext()
46 err |= __put_user(regs->lc1, &sc->sc_regs.lc1); in setup_sigcontext()
47 err |= __put_user(regs->m0, &sc->sc_regs.m0); in setup_sigcontext()
[all …]
|
| /linux-6.15/net/mac80211/ |
| D | ht.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright 2002-2005, Instant802 Networks, Inc.
7 * Copyright 2005-2006, Devicescape Software, Inc.
8 * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
10 * Copyright 2007-2010, Intel Corporation
12 * Copyright(c) 2020-2024 Intel Corporation
27 if (ht_capa_mask->cap_info & le_flag) { in __check_htcap_disable()
28 if (!(ht_capa->cap_info & le_flag)) in __check_htcap_disable()
29 ht_cap->cap &= ~flag; in __check_htcap_disable()
40 if ((ht_capa_mask->cap_info & le_flag) && in __check_htcap_enable()
[all …]
|
| /linux-6.15/kernel/rcu/ |
| D | tree_plugin.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Read-Copy Update mechanism for mutual exclusion (tree-based version)
4 * Internal non-public definitions that provide either classic
23 * non-preemptible reads are also safe. NOCB kthreads and in rcu_rdp_is_offloaded()
30 lockdep_is_held(&rdp->nocb_lock) || in rcu_rdp_is_offloaded()
38 return rcu_segcblist_is_offloaded(&rdp->cblist); in rcu_rdp_is_offloaded()
51 pr_info("\tCONFIG_RCU_FANOUT set to non-default value of %d.\n", in rcu_bootup_announce_oddness()
58 pr_info("\tRCU strict (and thus non-scalable) grace periods are enabled.\n"); in rcu_bootup_announce_oddness()
60 pr_info("\tFour(or more)-level hierarchy is enabled.\n"); in rcu_bootup_announce_oddness()
62 pr_info("\tBuild-time adjustment of leaf fanout to %d.\n", in rcu_bootup_announce_oddness()
[all …]
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| /linux-6.15/tools/perf/bench/ |
| D | futex-requeue.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * futex-requeue: Block a bunch of threads on futex1 and requeue them
9 * requeues without waking up any tasks (in the non-pi case) -- thus
20 #include <subcmd/parse-options.h>
47 * Default to 1 in order to make the kernel work more.
59 OPT_BOOLEAN( 'p', "pi", ¶ms.pi, "Use PI-aware variants of FUTEX_CMP_REQUEUE"),
75 printf("Requeued %d of %d threads in %.4f ms (+-%.2f%%)\n", in print_summary()
87 threads_starting--; in workerfn()
225 /* make sure all threads are already blocked */ in bench_futex_requeue()
234 /* Ok, all threads are patiently blocked, start requeueing */ in bench_futex_requeue()
[all …]
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| /linux-6.15/drivers/platform/x86/ |
| D | msi-laptop.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*-*-linux-c-*-*/
10 * msi-laptop.c - MSI S270 laptop support. This laptop is sold under
15 * This driver exports a few files in /sys/devices/platform/msi-laptop-pf/:
17 * lcd_level - Screen brightness: contains a single integer in the
20 * auto_brightness - Enable automatic brightness control: contains
25 * wlan - WLAN subsystem enabled: contains either 0 or 1. (ro)
27 * bluetooth - Bluetooth subsystem enabled: contains either 0 or 1
33 * available to userspace under /sys/class/backlight/msi-laptop-bl/.
53 #include <linux/input/sparse-keymap.h>
[all …]
|
| /linux-6.15/tools/testing/selftests/net/forwarding/ |
| D | bridge_mdb.sh | 2 # SPDX-License-Identifier: GPL-2.0
4 # +-----------------------+ +------------------------+
15 # +----|------------------+ +----|-------------------+
17 # +----|--------------------------------------------------|-------------------+
19 # | +--|--------------------------------------------------|-----------------+ |
24 # | +-----------------------------------------------------------------------+ |
25 # +---------------------------------------------------------------------------+
214 # Check default protocol and replacement.
216 bridge -d mdb get dev br0 $grp_key vid 10 | grep -q "static"
217 check_err $? "$name entry not added with default \"static\" protocol"
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|
| /linux-6.15/tools/testing/selftests/net/mptcp/ |
| D | mptcp_connect.sh | 2 # SPDX-License-Identifier: GPL-2.0
36 port=$((10000 - 1))
38 if [ $tc_loss -eq 100 ];then
40 elif [ $tc_loss -ge 10 ]; then
42 elif [ $tc_loss -ge 1 ]; then
49 echo "Usage: $0 [ -a ]"
50 echo -e "\t-d: tc/netem delay in milliseconds, e.g. \"-d 10\" (default random)"
51 echo -e "\t-l: tc/netem loss percentage, e.g. \"-l 0.02\" (default random)"
52 …echo -e "\t-r: tc/netem reorder mode, e.g. \"-r 25% 50% gap 5\", use "-r 0" to disable reordering …
53 …echo -e "\t-e: ethtool features to disable, e.g.: \"-e tso -e gso\" (default: randomly disable any…
[all …]
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| /linux-6.15/Documentation/power/ |
| D | freezing-of-tasks.rst | 11 kernel threads are controlled during hibernation or system-wide suspend (on some
17 There is one per-task flag (PF_NOFREEZE) and three per-task states
23 to system-wide suspend too).
26 freeze_processes() (defined in kernel/power/process.c) is called. A system-wide
27 static key freezer_active (as opposed to a per-task flag or state) is used to
45 signal-handling code, but the freezable kernel threads need to call it
61 oom_reaper_list = tsk->oom_reaper_list;
73 entire system-wide transition will be cancelled. For this reason, freezable
84 -------------------------------------------------------------------------
87 - freezes only userspace tasks
[all …]
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| /linux-6.15/drivers/gpu/drm/xe/ |
| D | xe_vm_doc.h | 1 /* SPDX-License-Identifier: MIT */
15 * Allocate a physical page for root of the page table structure, create default
19 * ------------
33 * ----------
35 * DRM_XE_VM_BIND_OP_MAP - Create mapping for a BO
36 * DRM_XE_VM_BIND_OP_UNMAP - Destroy mapping for a BO / userptr
37 * DRM_XE_VM_BIND_OP_MAP_USERPTR - Create mapping for userptr
54 * .. code-block::
56 * bind BO0 0x0-0x1000
62 * bind BO1 0x201000-0x202000
[all …]
|