Home
last modified time | relevance | path

Searched +full:kernel +full:- +full:policy (Results 1 – 25 of 559) sorted by relevance

12345678910>>...23

/linux/tools/perf/Documentation/
H A Dsecurity.txt6 https://www.kernel.org/doc/html/latest/admin-guide/perf-security.html
13 Targeted policy with perf_event_open() access control capabilities:
15 1. Download selinux-policy SRPM package (e.g. selinux-policy-3.14.4-48.fc31.src.rpm on FC31)
18 # rpm -Uhv selinux-policy-3.14.4-48.fc31.src.rpm
22 # rpmbuild -bp selinux-policy.spec
24 3. Place patch below at rpmbuild/BUILD/selinux-policy-b86eaaf4dbcf2d51dd4432df7185c0eaf3cbcc02
27 # patch -p1 < selinux-policy-perf-events-perfmon.patch
28 patching file policy/flask/access_vectors
29 patching file policy/flask/security_classes
30 # cat selinux-policy-perf-events-perfmon.patch
[all …]
/linux/security/apparmor/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 http://apparmor.wiki.kernel.org
43 Set the default value of the apparmor.debug kernel parameter.
45 the kernel message buffer.
48 bool "Allow loaded policy to be introspected"
52 This option selects whether introspection of loaded policy
54 adds to kernel memory usage. It is required for introspection
55 of loaded policy, and check point and restore support. It
65 This option selects whether introspection of loaded policy
68 checking loaded policy. This option adds to policy load
[all …]
/linux/security/integrity/ima/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
42 running kernel must be saved and restored on boot.
44 Depending on the IMA policy, the measurement list can grow to
61 Disabling this option will disregard LSM based policy rules.
71 limited to 255 characters. The 'ima-ng' measurement list
77 bool "ima-ng (default)"
79 bool "ima-si
[all...]
H A Dima_main.c1 // SPDX-License-Identifier: GPL-2.0-only
74 if (strcmp(template_desc->name, IMA_TEMPLATE_IMA_NAME) == 0) { in hash_setup()
114 mapping_writably_mapped(file->f_mapping)) { in mmap_violation_check()
115 rc = -ETXTBSY; in mmap_violation_check()
118 if (!*pathbuf) /* ima_rdwr_violation possibly pre-fetched */ in mmap_violation_check()
119 *pathname = ima_d_path(&file->f_path, pathbuf, in mmap_violation_check()
131 * - Openin
[all...]
/linux/security/tomoyo/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
11 This selects TOMOYO Linux, pathname-based access control.
23 that are automatically appended into policy at "learning mode".
36 audit logs that the kernel can hold on memory.
37 You can read the log via /sys/kernel/security/tomoyo/audit.
41 bool "Activate without calling userspace policy loader."
45 Say Y here if you want to activate access control as soon as built-in
46 policy was loaded. This option will be useful for systems where
48 needed before loading the policy. For example, you can activate
49 immediately after loading the fixed part of policy which will allow
[all …]
/linux/Documentation/admin-guide/LSM/
H A Dipe.rst1 .. SPDX-License-Identifier: GPL-2.0
3 Integrity Policy Enforcement (IPE)
9 attempting to use IPE. If you're looking for more developer-focused
13 --------
15 Integrity Policy Enforcement (IPE) is a Linux Security Module that takes a
17 mechanisms that rely on labels and paths for decision-making, IPE focuses
34 a file's origin, such as dm-verity or fs-verity, which provide a layer of
36 that trust files from a dm-verity protected device. dm-verity ensures the
38 of its contents. Similarly, fs-verity offers filesystem-level integrity
40 fs-verity. These two features cannot be turned off once established, so
[all …]
H A DSELinux.rst5 Information about the SELinux kernel subsystem can be found at the
8 https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux.git/tree/README.md
10 https://github.com/selinuxproject/selinux-kernel/wiki
17 to use the distro-provided policies, or install the
18 latest reference policy release from
22 However, if you want to install a dummy policy for
25 userspace to be installed - in particular you will
26 need checkpolicy to compile a kernel, and setfiles and
29 1. Compile the kernel with selinux enabled.
32 SELinux enabled and a real policy. If
[all …]
/linux/tools/testing/selftests/kexec/
H A Dtest_kexec_file_load.sh2 # SPDX-License-Identifier: GPL-2.0
4 # Loading a kernel image via the kexec_file_load syscall can verify either
6 # both signatures depending on the IMA policy, or none.
8 # To determine whether the kernel image is signed, this test depends
9 # on pesign and getfattr. This test also requires the kernel to be
11 # enabled or access to the extract-ikconfig script.
16 trap "{ rm -f $IKCONFIG ; }" EXIT
18 # Some of the IMA builtin policies may require the kexec kernel image to
19 # be signed, but these policy rules may be replaced with a custom
20 # policy. Only CONFIG_IMA_APPRAISE_REQUIRE_KEXEC_SIGS persists after
[all …]
/linux/Documentation/trace/
H A Dstm.rst1 .. SPDX-License-Identifier: GPL-2.0
26 To solve this mapping problem, stm class provides a policy management
28 identifiers to ranges of masters and channels. If these rules (policy)
32 This policy is a tree structure containing rules (policy_node) that
34 associated with it, located in "stp-policy" subsystem directory in
35 configfs. The topmost directory's name (the policy) is formatted as
36 the STM device name to which this policy applies and an arbitrary
40 $ ls /config/stp-policy/dummy_stm.my-policy/user
42 $ cat /config/stp-policy/dummy_stm.my-policy/user/masters
44 $ cat /config/stp-policy/dummy_stm.my-policy/user/channels
[all …]
/linux/Documentation/admin-guide/mm/
H A Dtranshuge.rst26 requiring larger clear-page copy-page in page faults which is a
29 reducing the enter/exit kernel frequency by a 512 times factor). This
48 Modern kernels support "multi-size THP" (mTHP), which introduces the
50 but smaller than traditional PMD-size (as described above), in
51 increments of a power-of-2 number of pages. mTHP can back anonymous
53 PTE-mapped, but in many cases can still provide similar benefits to
56 prominent because the size of each page isn't as huge as the PMD-sized
66 collapses sequences of basic pages into PMD-sized huge pages.
91 possible to disable hugepages system-wide and to only have them inside
108 -------------------
[all …]
/linux/Documentation/cpu-freq/
H A Dcore.rst1 .. SPDX-License-Identifier: GPL-2.0
8 - Dominik Brodowski <linux@brodo.de>
9 - David Kimdon <dwhedon@debian.org>
10 - Rafael J. Wysocki <rafael.j.wysocki@intel.com>
11 - Viresh Kumar <viresh.kumar@linaro.org>
26 drivers or other part of the kernel that need to be informed of
27 policy changes (ex. thermal modules like ACPI) or of all
30 kernel "constant" loops_per_jiffy is updated on frequency changes
37 policy doesn't get freed while being used.
42 CPUFreq notifiers conform to the standard kernel notifier interface.
[all …]
/linux/drivers/cpufreq/
H A Damd-pstate-ut.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * AMD Processor P-state Frequency Driver Unit Test
9 * The AMD P-State Unit Test is a test module for testing the amd-pstate
11 * (SBIOS/Firmware or Hardware). 2) Kernel can have a basic function
12 * test to avoid the kernel regression during the update. 3) We can
19 * See Documentation/admin-guide/pm/amd-pstate.rst Unit Tests for
20 * amd-pstate to get more detail.
28 #include <linux/kernel.h>
39 #include "amd-pstate.h"
44 "Comma-delimited list of tests to run (empty means run all tests)");
[all …]
/linux/Documentation/admin-guide/pm/
H A Dintel_pstate.rst1 .. SPDX-License-Identifier: GPL-2.0
17 :doc:`CPU performance scaling subsystem <cpufreq>` in the Linux kernel
22 Documentation/admin-guide/pm/cpufreq.rst if you have not done that yet.]
24 For the processors supported by ``intel_pstate``, the P-state concept is broader
27 information about that). For this reason, the representation of P-states used
32 ``intel_pstate`` maps its internal representation of P-states to frequencies too
38 Since the hardware P-state selection interface used by ``intel_pstate`` is
40 CPUs. Consequently, if ``intel_pstate`` is in use, every ``CPUFreq`` policy
43 time the corresponding CPU is taken offline and need to be re-initialized when
47 only way to pass early-configuration-time parameters to it is via the kernel
[all …]
/linux/drivers/macintosh/
H A Dwindfarm_cpufreq_clamp.c1 // SPDX-License-Identifier: GPL-2.0-only
4 #include <linux/kernel.h>
65 struct cpufreq_policy *policy; in wf_cpufreq_clamp_init() local
70 policy = cpufreq_cpu_get(0); in wf_cpufreq_clamp_init()
71 if (!policy) { in wf_cpufreq_clamp_init()
72 pr_warn("%s: cpufreq policy not found cpu0\n", __func__); in wf_cpufreq_clamp_init()
73 return -EPROBE_DEFER; in wf_cpufreq_clamp_init()
76 min_freq = policy->cpuinfo.min_freq; in wf_cpufreq_clamp_init()
77 max_freq = policy->cpuinfo.max_freq; in wf_cpufreq_clamp_init()
79 ret = freq_qos_add_request(&policy->constraints, &qos_req, FREQ_QOS_MAX, in wf_cpufreq_clamp_init()
[all …]
/linux/kernel/sched/
H A Dsyscalls.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * kernel/sched/syscalls.c
5 * Core kernel scheduler syscalls related code
7 * Copyright (C) 1991-2002 Linus Torvalds
8 * Copyright (C) 1998-2024 Ingo Molnar, Red Hat
19 static inline int __normal_prio(int policy, int rt_prio, int nice) in __normal_prio() argument
23 if (dl_policy(policy)) in __normal_prio()
24 prio = MAX_DL_PRIO - 1; in __normal_prio()
25 else if (rt_policy(policy)) in __normal_prio()
26 prio = MAX_RT_PRIO - 1 - rt_prio; in __normal_prio()
[all …]
/linux/Documentation/arch/x86/
H A Dintel_txt.rst6 Technology (Intel(R) TXT), defines platform-level enhancements that
13 - Provides dynamic root of trust for measurement (DRTM)
14 - Data protection in case of improper shutdown
15 - Measurement and verification of launched environment
18 non-vPro systems. It is currently available on desktop systems
30 - LinuxTAG 2008:
31 http://www.linuxtag.org/2008/en/conf/events/vp-donnerstag.html
33 - TRUST2008:
34 http://www.trust-conference.eu/downloads/Keynote-Speakers/
35 3_David-Grawrock_The-Front-Door-of-Trusted-Computing.pdf
[all …]
/linux/rust/kernel/
H A Dcpufreq.rs1 // SPDX-License-Identifier: GPL-2.0
9 //! Reference: <https://docs.kernel.org/admin-guide/pm/cpufreq.html>
54 /// Supports multiple clock domains with per-policy governors in `cpu/cpuN/cpufreq/`.
57 /// Allows post-change notifications outside of the `target()` routine.
60 /// Ensure CPU starts at a valid frequency from the driver's freq-table.
89 // Construct from a C-compatibl
415 pub struct Policy(Opaque<bindings::cpufreq_policy>); global() struct
417 impl Policy { global() implementation
704 deref_mut(&mut self) -> &mut Policy deref_mut() argument
742 exit(_policy: &mut Policy, _data: Option<Self::PData>) -> Result exit() argument
767 ready(_policy: &mut Policy) ready() argument
780 target(_policy: &mut Policy, _target_freq: u32, _relation: Relation) -> Result target() argument
785 target_index(_policy: &mut Policy, _index: TableIndex) -> Result target_index() argument
790 fast_switch(_policy: &mut Policy, _target_freq: u32) -> u32 fast_switch() argument
795 adjust_perf(_policy: &mut Policy, _min_perf: usize, _target_perf: usize, _capacity: usize) adjust_perf() argument
800 get_intermediate(_policy: &mut Policy, _index: TableIndex) -> u32 get_intermediate() argument
805 target_intermediate(_policy: &mut Policy, _index: TableIndex) -> Result target_intermediate() argument
815 update_limits(_policy: &mut Policy) update_limits() argument
820 bios_limit(_policy: &mut Policy, _limit: &mut u32) -> Result bios_limit() argument
825 set_boost(_policy: &mut Policy, _state: i32) -> Result set_boost() argument
830 register_em(_policy: &mut Policy) register_em() argument
1071 let policy = unsafe { Policy::from_raw_mut(ptr) }; init_callback() localVariable
1088 let policy = unsafe { Policy::from_raw_mut(ptr) }; exit_callback() localVariable
1104 let policy = unsafe { Policy::from_raw_mut(ptr) }; online_callback() localVariable
1119 let policy = unsafe { Policy::from_raw_mut(ptr) }; offline_callback() localVariable
1134 let policy = unsafe { Policy::from_raw_mut(ptr) }; suspend_callback() localVariable
1149 let policy = unsafe { Policy::from_raw_mut(ptr) }; resume_callback() localVariable
1163 let policy = unsafe { Policy::from_raw_mut(ptr) }; ready_callback() localVariable
1192 let policy = unsafe { Policy::from_raw_mut(ptr) }; setpolicy_callback() localVariable
1211 let policy = unsafe { Policy::from_raw_mut(ptr) }; target_callback() localVariable
1229 let policy = unsafe { Policy::from_raw_mut(ptr) }; target_index_callback() localVariable
1251 let policy = unsafe { Policy::from_raw_mut(ptr) }; fast_switch_callback() localVariable
1269 let policy = unsafe { Policy::from_raw_mut(ptr) }; adjust_perf_callback() localVariable
1285 let policy = unsafe { Policy::from_raw_mut(ptr) }; get_intermediate_callback() localVariable
1307 let policy = unsafe { Policy::from_raw_mut(ptr) }; target_intermediate_callback() localVariable
1338 let policy = unsafe { Policy::from_raw_mut(ptr) }; update_limits_callback() localVariable
1353 let mut policy = PolicyCpu::from_cpu(cpu_id)?; bios_limit_callback() localVariable
1373 let policy = unsafe { Policy::from_raw_mut(ptr) }; set_boost_callback() localVariable
1387 let policy = unsafe { Policy::from_raw_mut(ptr) }; register_em_callback() localVariable
[all...]
/linux/tools/power/cpupower/man/
H A Dcpupower-set.11 .TH CPUPOWER\-SET "1" "22/02/2011" "" "cpupower Manual"
3 cpupower\-set \- Set processor power related kernel or hardware configurations
6 .B cpupower set [ \-b VAL | \-e POLICY | \-m MODE | \-t BOOL ]
10 \fBcpupower set \fP sets kernel configurations or directly accesses hardware
15 described in the cpupower(1) manpage in the \-\-cpu option section. Whether an
24 \-\-perf-bias, \-b
27 its policy for the relative importance of performance versus energy savings to
30 The range of valid numbers is 0-15, where 0 is maximum
33 The processor uses this information in model-specific ways
34 when it must select trade-offs between performance and
[all …]
/linux/security/ipe/
H A Dhooks.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2020-2024 Microsoft Corporation. All rights reserved.
19 * ipe_bprm_check_security() - ipe security hook function for bprm check.
27 * * %0 - Success
28 * * %-EACCES - Did not pass IPE policy
34 ipe_build_eval_ctx(&ctx, bprm->file, IPE_OP_EXEC, IPE_HOOK_BPRM_CHECK); in ipe_bprm_check_security()
39 * ipe_bprm_creds_for_exec() - ipe security hook function for bprm creds check.
43 * This LSM hook is called when userspace signals the kernel to check a file
45 * The hook triggers IPE policy evaluation on the script file and returns
46 * the policy decision to userspace. The userspace program receives the
[all …]
/linux/Documentation/netlink/specs/
H A Dnlctrl.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
2 ---
4 protocol: genetlink-legacy
5 uapi-header: linux/genetlink.h
8 genetlink meta-family that exposes information about all genetlink
9 families registered in the kernel (including itself).
12 -
13 name: op-flags
15 enum-name:
17 - admin-perm
[all …]
/linux/tools/net/ynl/lib/
H A Dynl.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
21 snprintf(_yse->msg, sizeof(_yse->msg) - 1, _msg); \
22 _yse->msg[sizeof(_yse->ms
49 ynl_err_walk_is_sel(const struct ynl_policy_nest * policy,const struct nlattr * attr) ynl_err_walk_is_sel() argument
62 const struct ynl_policy_nest *policy = policy_attr->nest; ynl_err_walk_sel_policy() local
79 ynl_err_walk_report_one(const struct ynl_policy_nest * policy,const struct nlattr * selector,unsigned int type,char * str,int str_sz,int * n) ynl_err_walk_report_one() argument
134 ynl_err_walk(struct ynl_sock * ys,void * start,void * end,unsigned int off,const struct ynl_policy_nest * policy,char * str,int str_sz,const struct ynl_policy_nest ** nest_pol) ynl_err_walk() argument
365 const struct ynl_policy_attr *policy; ynl_attr_validate() local
[all...]
/linux/Documentation/userspace-api/netlink/
H A Dgenetlink-legacy.rst1 .. SPDX-License-Identifier: BSD-3-Clause
9 the ``genetlink-legacy`` protocol level.
15 -------
29 --------------------
31 New Netlink families should use ``multi-attr`` to define arrays.
35 For reference the ``multi-attr`` array may look like this::
37 [ARRAY-ATTR]
41 [SOME-OTHER-ATTR]
42 [ARRAY-ATTR]
47 where ``ARRAY-ATTR`` is the array entry type.
[all …]
/linux/tools/power/x86/x86_energy_perf_policy/
H A Dx86_energy_perf_policy.81 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "soc-slider: --soc-slider-balance # | --soc-slider-offset # | --platform-profile <name>"
20 .RB "value: # | default | performance | balance-performance | balance-power | power"
23 displays and updates energy-performance policy settings specific to
27 While \fBx86_energy_perf_policy\fP can manage energy-performance policy
[all …]
/linux/tools/testing/selftests/net/netfilter/
H A Dnft_queue.sh24 rm -f "$TMPINPUT"
25 rm -f "$TMPFILE0"
26 rm -f "$TMPFILE1"
27 rm -f "$TMPFILE2" "$TMPFILE3"
30 checktool "nft --version" "test without nft tool"
31 checktool "socat -h" "run test without socat"
33 modprobe -q sctp
50 echo "SKIP: No virtual ethernet pair device support in kernel"
56 ip -net "$nsrouter" link set veth0 up
57 ip -net "$nsrouter" addr add 10.0.1.1/24 dev veth0
[all …]
/linux/tools/testing/selftests/net/
H A Dsrv6_end_flavors_test.sh2 # SPDX-License-Identifier: GPL-2.0
13 # - Penultimate Segment Pop (PSP);
14 # - Ultimate Segment Pop (USP);
15 # - Ultimate Segment Decapsulation (USD).
21 # flavors will be supported in the kernel.
24 # listed in the SRv6 policy to remove (i.e. pop) the outermost SRH from the IPv6
27 # - decrementing the Segment Left (SL) value from 1 to 0;
28 # - copyin
[all...]

12345678910>>...23