| /Linux-v5.15/Documentation/devicetree/bindings/power/ |
| D | power_domain.txt | 5 current.
12 #power-domain-cells property in the PM domain provider node.
16 See power-domain.yaml.
21 - power-domains : A list of PM domain specifiers, as defined by bindings of
25 - power-domain-names : A list of power domain name strings sorted in the same
26 order as the power-domains property. Consumers drivers will use
27 power-domain-names to match power domains with power-domains
32 leaky-device@12350000 {
33 compatible = "foo,i-leak-current";
35 power-domains = <&power 0>;
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| D | qcom,rpmpd.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rajendra Nayak <rnayak@codeaurora.org>
19 - qcom,mdm9607-rpmpd
20 - qcom,msm8916-rpmpd
21 - qcom,msm8939-rpmpd
22 - qcom,msm8976-rpmpd
23 - qcom,msm8994-rpmpd
24 - qcom,msm8996-rpmpd
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| /Linux-v5.15/tools/testing/selftests/powerpc/tm/ |
| D | tm-poison.c | 1 // SPDX-License-Identifier: GPL-2.0-only
11 * present child's poison will leak into parent's f31 or vr31 registers,
12 * otherwise, poison will never leak into parent's f31 and vr31 registers.
74 * The Time Base (TB) is a 64-bit counter register that is in tm_poison_test()
81 * to r6. When r7 (current) - r6 (initial) > 61440000000 we bail in tm_poison_test()
90 "1: mfspr 7, 268 ;" // r7 (TB current) in tm_poison_test()
91 " subf 7, 6, 7 ;" // r7 - r6 > 61440000000 ? in tm_poison_test()
102 " bne 2f ;" // broken :-( in tm_poison_test()
114 * On leak 'unknown' will contain 'poison' value from child, in tm_poison_test()
115 * otherwise (no leak) 'unknown' will contain the same value in tm_poison_test()
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| /Linux-v5.15/drivers/of/ |
| D | unittest.c | 1 // SPDX-License-Identifier: GPL-2.0
6 #define pr_fmt(fmt) "### dt-test ### " fmt
10 #include <linux/dma-direct.h> /* to test phys_to_dma/dma_to_phys */
28 #include <linux/i2c-mux.h>
44 pr_err("FAIL %s():%i " fmt, __func__, __LINE__, ##__VA_ARGS__); \
47 pr_debug("pass %s():%i\n", __func__, __LINE__); \
54 * Print the expected message only if the current loglevel will allow
71 np = of_find_node_by_path("/testcase-data"); in of_unittest_find_node_by_name()
73 unittest(np && !strcmp("/testcase-data", name), in of_unittest_find_node_by_name()
74 "find /testcase-data failed\n"); in of_unittest_find_node_by_name()
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| /Linux-v5.15/Documentation/security/ |
| D | landlock.rst | 1 .. SPDX-License-Identifier: GPL-2.0
2 .. Copyright © 2017-2020 Mickaël Salaün <mic@digikod.net>
3 .. Copyright © 2019-2020 ANSSI
12 Landlock's goal is to create scoped access-control (i.e. sandboxing). To
15 backdoored (i.e. untrusted), Landlock's features must be safe to use from the
21 LSM). Indeed, a Landlock rule shall not interfere with other access-controls
29 Documentation/userspace-api/landlock.rst.
35 of syscall filtering (i.e. syscall arguments), which is the purpose of
36 seccomp-bpf.
37 * To avoid multiple kinds of side-channel attacks (e.g. leak of security
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| /Linux-v5.15/tools/testing/selftests/bpf/progs/ |
| D | timer.c | 1 // SPDX-License-Identifier: GPL-2.0
68 /* *key == 0 - the callback was called for array timer. in timer_cb1()
69 * *key == 4 - the callback was called from lru timer. in timer_cb1()
86 int lru_key, i; in timer_cb1() local
88 for (i = LRU + 1; in timer_cb1()
89 i <= 100 /* for current LRU eviction algorithm this number in timer_cb1()
90 * should be larger than ~ lru->max_entries * 2 in timer_cb1()
92 i++) { in timer_cb1()
98 lru_key = i; in timer_cb1()
100 /* add more elements into lru map to push out current in timer_cb1()
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| /Linux-v5.15/fs/ocfs2/ |
| D | buffer_head_io.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
27 * Bits on bh->b_state used by ocfs2.
43 trace_ocfs2_write_block((unsigned long long)bh->b_blocknr, ci); in ocfs2_write_block()
45 BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO); in ocfs2_write_block()
50 * can get modified during recovery even if read-only. */ in ocfs2_write_block()
52 ret = -EROFS; in ocfs2_write_block()
62 /* remove from dirty list before I/O. */ in ocfs2_write_block()
66 bh->b_end_io = end_buffer_write_sync; in ocfs2_write_block()
77 ret = -EIO; in ocfs2_write_block()
86 /* Caller must provide a bhs[] with all NULL or non-NULL entries, so it
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| /Linux-v5.15/kernel/trace/ |
| D | trace_event_perf.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 2009-2010 Frederic Weisbecker <fweisbec@gmail.com>
32 if (tp_event->perf_perm) { in perf_trace_event_perm()
33 ret = tp_event->perf_perm(tp_event, p_event); in perf_trace_event_perm()
42 if (p_event->parent) in perf_trace_event_perm()
46 * It's ok to check current process (owner) permissions in here, in perf_trace_event_perm()
52 ret = perf_allow_tracepoint(&p_event->attr); in perf_trace_event_perm()
64 if (!p_event->attr.exclude_callchain_user) in perf_trace_event_perm()
65 return -EINVAL; in perf_trace_event_perm()
71 if (p_event->attr.sample_type & PERF_SAMPLE_STACK_USER) in perf_trace_event_perm()
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| /Linux-v5.15/mm/ |
| D | kmemleak.c | 1 // SPDX-License-Identifier: GPL-2.0-only
9 * Documentation/dev-tools/kmemleak.rst.
12 * ----------------
16 * - kmemleak_lock (raw_spinlock_t): protects the object_list modifications and
19 * blocks. The object_tree_root is a red black tree used to look-up
25 * - kmemleak_object.lock (raw_spinlock_t): protects a kmemleak_object.
32 * - scan_mutex (mutex): ensures that only one thread may scan the memory for
45 * scan_mutex [-> object->lock] -> kmemleak_lock -> other_object->lock (SINGLE_DEPTH_NESTING)
47 * No kmemleak_lock and object->lock nesting is allowed outside scan_mutex
129 #define KMEMLEAK_BLACK -1
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| /Linux-v5.15/Documentation/ide/ |
| D | ChangeLog.ide-cd.1994-2004 | 2 * 1.00 Oct 31, 1994 -- Initial version.
3 * 1.01 Nov 2, 1994 -- Fixed problem with starting request in
5 * 1.03 Nov 25, 1994 -- leaving unmask_intr[] as a user-setting (as for disks)
6 * (from mlord) -- minor changes to cdrom_setup()
7 * -- renamed ide_dev_s to ide_drive_t, enable irq on command
8 * 2.00 Nov 27, 1994 -- Generalize packet command interface;
10 * 2.01 Dec 3, 1994 -- Rework packet command interface to handle devices
12 * 2.02 Dec 11, 1994 -- Cache the TOC in the driver.
14 * in the current version of ATAPI.
18 * 2.03 Jan 10, 1995 -- Rewrite block read routines to handle block sizes
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| /Linux-v5.15/kernel/rcu/ |
| D | srcutree.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Sleepable Read-Copy Update mechanism for mutual exclusion.
11 * For detailed explanation of Read-Copy Update mechanism see -
32 /* Holdoff in nanoseconds for auto-expediting. */
37 /* Overflow-check frequency. N bits roughly says every 2**N grace periods. */
41 /* Early-boot callback-management, so early that no lock is required! */
81 * is set, don't initialize ->srcu_lock_count[] and ->srcu_unlock_count[].
86 int i; in init_srcu_struct_nodes() local
97 ssp->level[0] = &ssp->node[0]; in init_srcu_struct_nodes()
98 for (i = 1; i < rcu_num_lvls; i++) in init_srcu_struct_nodes()
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| /Linux-v5.15/tools/perf/tests/ |
| D | dso-data.c | 1 // SPDX-License-Identifier: GPL-2.0
20 #define TEMPL "/tmp/perf-test-XXXXXX" in test_file()
23 int fd, i; in test_file() local
41 for (i = 0; i < size; i++) in test_file()
42 buf[i] = (unsigned char) ((int) i % 10); in test_file()
75 .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
81 .offset = DSO__DATA_CACHE_SIZE - DSO__DATA_CACHE_SIZE % 10,
87 .offset = TEST_FILE_SIZE - 10,
93 .offset = TEST_FILE_SIZE - 10,
99 .offset = TEST_FILE_SIZE - 3,
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| /Linux-v5.15/drivers/infiniband/core/ |
| D | restrack.c | 1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
3 * Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved.
18 * rdma_restrack_init() - initialize and allocate resource tracking
26 int i; in rdma_restrack_init() local
28 dev->res = kcalloc(RDMA_RESTRACK_MAX, sizeof(*rt), GFP_KERNEL); in rdma_restrack_init()
29 if (!dev->res) in rdma_restrack_init()
30 return -ENOMEM; in rdma_restrack_init()
32 rt = dev->res; in rdma_restrack_init()
34 for (i = 0; i < RDMA_RESTRACK_MAX; i++) in rdma_restrack_init()
35 xa_init_flags(&rt[i].xa, XA_FLAGS_ALLOC); in rdma_restrack_init()
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| /Linux-v5.15/drivers/irqchip/ |
| D | irq-gic-v4.c | 1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/irqchip/arm-gic-v4.h>
22 * core GIC code (that would in turn leak into the hypervisor code),
25 * agnostic actually means KVM-specific - what were you thinking?).
30 * - Any guest-visible VLPI is backed by a Linux interrupt (and a
36 * - Enabling/disabling a VLPI is done by issuing mask/unmask calls.
38 * - Guest INT/CLEAR commands are implemented through
41 * - The *bizarre* stuff (mapping/unmapping an interrupt to a VLPI, or
61 * interrupts which are delivered when a VLPI targeting a non-running
70 * - VMs (or rather the VM abstraction that matters to the GIC)
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| /Linux-v5.15/Documentation/admin-guide/hw-vuln/ |
| D | core-scheduling.rst | 1 .. SPDX-License-Identifier: GPL-2.0
15 ----------------
16 A cross-HT attack involves the attacker and victim running on different Hyper
18 full mitigation of cross-HT attacks is to disable Hyper Threading (HT). Core
19 scheduling is a scheduler feature that can mitigate some (not all) cross-HT
21 user-designated trusted group can share a core. This increase in core sharing
27 core involves additional overhead - especially when the system is lightly
29 scheduling to perform more poorly compared to SMT-disabled, where N_CPUS is the
33 -----
35 Using this feature, userspace defines groups of tasks that can be co-scheduled
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| D | l1tf.rst | 1 L1TF - L1 Terminal Fault
10 -------------------
15 - Processors from AMD, Centaur and other non Intel vendors
17 - Older processor models, where the CPU family is < 6
19 - A range of Intel ATOM processors (Cedarview, Cloverview, Lincroft,
22 - The Intel XEON PHI family
24 - Intel processors which have the ARCH_CAP_RDCL_NO bit set in the
33 ------------
38 CVE-2018-3615 L1 Terminal Fault SGX related aspects
39 CVE-2018-3620 L1 Terminal Fault OS, SMM related aspects
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| /Linux-v5.15/arch/ia64/kernel/ |
| D | fsys.S | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * This file contains the light-weight system call handlers (fsyscall-handlers).
5 * Copyright (C) 2003 Hewlett-Packard Co
6 * David Mosberger-Tang <davidm@hpl.hp.com>
8 * 25-Sep-03 davidm Implement fsys_rt_sigprocmask().
9 * 18-Feb-03 louisk Implement fsys_gettimeofday().
10 * 28-Feb-03 davidm Fixed several bugs in fsys_gettimeofday(). Tuned it some more,
11 * probably broke it along the way... ;-)
12 * 13-Jul-04 clameter Implement fsys_clock_gettime and revise fsys_gettimeofday to make
14 * 08-Feb-07 Fenghua Yu Implement fsys_getcpu.
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| D | process.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Architecture-specific setup.
5 * Copyright (C) 1998-2003 Hewlett-Packard Co
6 * David Mosberger-Tang <davidm@hpl.hp.com>
9 * 2005-10-07 Keith Owens <kaos@sgi.com>
99 unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri; in show_regs()
105 regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(), in show_regs()
106 init_utsname()->release); in show_regs()
109 regs->ar_unat, regs->ar_pfs, regs->ar_rsc); in show_regs()
111 regs->ar_rnat, regs->ar_bspstore, regs->pr); in show_regs()
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| /Linux-v5.15/arch/parisc/include/asm/ |
| D | elf.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
28 #define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */
29 #define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */
30 #define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */
60 #define R_PARISC_DIR32 1 /* Direct 32-bit reference. */
65 #define R_PARISC_PCREL32 9 /* 32-bit rel. address. */
72 #define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */
73 #define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */
74 #define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */
75 #define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */
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| /Linux-v5.15/arch/x86/kernel/cpu/ |
| D | bugs.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * - Rafael R. Reilova (moved everything from head.S),
8 * - Channing Corn (tests & fixes),
9 * - Andrew D. Balsa (code cleanup).
20 #include <asm/spec-ctrl.h>
24 #include <asm/processor-flags.h>
31 #include <asm/intel-family.h>
125 * As MDS and TAA mitigations are inter-related, print MDS in check_bugs()
136 * - i386 is no longer supported. in check_bugs()
137 * - In order to run on anything without a TSC, we need to be in check_bugs()
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| /Linux-v5.15/Documentation/virt/kvm/ |
| D | timekeeping.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Timekeeping Virtualization for X86-Based Architectures
32 information relevant to KVM and hardware-based virtualization.
41 2.1. i8254 - PIT
42 ----------------
46 channels which can be programmed to deliver periodic or one-shot interrupts.
53 The PIT uses I/O ports 0x40 - 0x43. Access to the 16-bit counters is done
54 using single or multiple byte access to the I/O ports. There are 6 modes
59 -------------- ----------------
61 | 1.1932 MHz|---------->| CLOCK OUT | ---------> IRQ 0
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| /Linux-v5.15/scripts/dtc/ |
| D | srcpos.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
31 int len = slash - path; in get_dirname()
49 int i, len = strlen(fname); in set_initial_path() local
53 for (i = 0; i != len; i++) in set_initial_path()
54 if (initial_path[i] == '/') in set_initial_path()
73 int diff = initial_pathlen - slashes, i, j; in shorten_to_initial_path() local
74 int restlen = strlen(fname) - (p1 - fname); in shorten_to_initial_path()
78 for (i = 0, j = 0; i != diff; i++) { in shorten_to_initial_path()
133 /* Try current directory first */ in fopen_any_on_path()
136 cur_dir = current_srcfile->dir; in fopen_any_on_path()
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| /Linux-v5.15/drivers/hv/ |
| D | ring_buffer.c | 1 // SPDX-License-Identifier: GPL-2.0-only
37 * interrupt_mask and re-check to see if new data has
44 * transitions from empty to non-empty (or full to non full on the guest
52 struct hv_ring_buffer_info *rbi = &channel->outbound; in hv_signal_on_write()
55 if (READ_ONCE(rbi->ring_buffer->interrupt_mask)) in hv_signal_on_write()
62 * ring transitions from being empty to non-empty. in hv_signal_on_write()
64 if (old_write == READ_ONCE(rbi->ring_buffer->read_index)) { in hv_signal_on_write()
65 ++channel->intr_out_empty; in hv_signal_on_write()
74 u32 next = ring_info->ring_buffer->write_index; in hv_get_next_write_location()
84 ring_info->ring_buffer->write_index = next_write_location; in hv_set_next_write_location()
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| /Linux-v5.15/include/linux/ |
| D | refcount.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
13 * counter and causing 'spurious' use-after-free issues. In order to avoid the
23 * +--------------------------------+----------------+----------------+
24 * <---------- bad value! ---------->
44 * With the current PID limit, if no batched refcounting operations are used and
50 * (UINT_MAX+1-REFCOUNT_SATURATED) / PID_MAX_LIMIT =
55 * given the precise timing details involved with the round-robin scheduling of
82 * because the 1->0 transition indicates no concurrency.
104 * typedef refcount_t - variant of atomic_t specialized for reference counts
109 * use-after-free bugs.
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| /Linux-v5.15/Documentation/scsi/ |
| D | ChangeLog.megaraid_sas | 1 Release Date : Thu. Jun 19, 2014 17:00:00 PST 2014 -
2 (emaild-id:megaraidlinux@lsi.com)
7 Current Version : 06.803.02.00-rc1
8 Old Version : 06.803.01.00-rc1
9 1. Fix reset_mutex leak in megasas_reset_fusion().
14 -------------------------------------------------------------------------------
15 Release Date : Mon. Mar 10, 2014 17:00:00 PST 2014 -
16 (emaild-id:megaraidlinux@lsi.com)
20 Current Version : 06.803.01.00-rc1
21 Old Version : 06.700.06.00-rc1
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