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/linux/drivers/gpu/drm/ci/
H A Dcheck-patch.py20 # ancestor between the user's branch and current git master.
28 ancestor = subprocess.check_output(["git", "merge-base", variable
32 ancestor = ancestor.strip() variable
35 ancestor + "..."],
41 print("\nNo commits since %s, skipping checks\n" % ancestor)
46 print("\nChecking all commits since %s...\n" % ancestor, flush=True)
51 "--git", ancestor + "..."])
/linux/tools/testing/selftests/bpf/progs/
H A Dcgroup_read_xattr.c121 struct cgroup *cgrp, *ancestor; in BPF_PROG() local
127 ancestor = bpf_cgroup_ancestor(cgrp, 1); in BPF_PROG()
128 if (!ancestor) in BPF_PROG()
132 bpf_cgroup_release(ancestor); in BPF_PROG()
143 struct cgroup *cgrp, *ancestor; in BPF_PROG() local
149 ancestor = bpf_cgroup_ancestor(cgrp, 1); in BPF_PROG()
150 if (!ancestor) in BPF_PROG()
154 bpf_cgroup_release(ancestor); in BPF_PROG()
H A Dtest_cgroup1_hierarchy.c19 struct cgroup *cgrp, *ancestor; in bpf_link_create_verify() local
36 /* Refuse it if its cgid or its ancestor's cgid is the target cgid */ in bpf_link_create_verify()
40 ancestor = bpf_cgroup_ancestor(cgrp, target_ancestor_level); in bpf_link_create_verify()
41 if (!ancestor) in bpf_link_create_verify()
44 if (ancestor->kn->id == target_ancestor_cgid) in bpf_link_create_verify()
46 bpf_cgroup_release(ancestor); in bpf_link_create_verify()
H A Dtest_task_under_cgroup.c11 long bpf_task_under_cgroup(struct task_struct *task, struct cgroup *ancestor) __ksym;
/linux/Documentation/filesystems/
H A Ddirectory-locking.rst56 * if the parents don't have a common ancestor, fail the operation.
58 ancestor of the other, lock the parent of source first.
95 First of all, we verify that it is *not* an ancestor of our directory
106 if two dentries have been found to have a common ancestor after taking
111 parents have a common ancestor.
133 If no directory is its own ancestor, the scheme above is deadlock-free.
210 a common ancestor, which guarantees that ancestry relationships between
218 It can't be the parents - indeed, since D1 is an ancestor of Dn,
239 Note that the check for having a common ancestor in cross-directory
243 an unrelated lookup splice a distant ancestor of source to some distant
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/linux/net/netfilter/
H A Dxt_cgroup.c137 struct cgroup *ancestor = info->priv; in cgroup_mt_v2()
143 if (ancestor) in cgroup_mt_v2()
144 return cgroup_is_descendant(sock_cgroup_ptr(skcd), ancestor) ^ in cgroup_mt_v2()
158 struct cgroup *ancestor = info->priv; in cgroup_mt_destroy_v2()
164 if (ancestor)
165 return cgroup_is_descendant(sock_cgroup_ptr(skcd), ancestor) ^
117 struct cgroup *ancestor = info->priv; cgroup_mt_v1() local
135 struct cgroup *ancestor = info->priv; cgroup_mt_v2() local
/linux/scripts/
H A Dsetlocalversion43 # Is it an ancestor of HEAD, and if so, how many commits are in $tag..HEAD?
47 # $1 is 0 if and only if $tag is an ancestor of HEAD. Use
93 # annotated tag exists and is an ancestor of HEAD, use
101 # KERNELVERSION exists and is an ancestor of HEAD, use
H A Dcheck-uapi.sh27 will use BASE_REF^1. Must be an ancestor of BASE_REF. Only headers
463 if ! git merge-base --is-ancestor "$past_ref" "$base_ref" > /dev/null 2>&1; then
464 printf 'error - "%s" is not an ancestor of base ref "%s"\n' "$past_ref" "$base_ref"
/linux/tools/lib/perf/Documentation/
H A Dmanpage-suppress-sp.xsl15 <xsl:if test="not(ancestor::authorblurb) and
16 not(ancestor::personblurb)">
/linux/tools/perf/Documentation/
H A Dmanpage-suppress-sp.xsl15 <xsl:if test="not(ancestor::authorblurb) and
16 not(ancestor::personblurb)">
/linux/kernel/cgroup/
H A Dfreezer.c41 * If the new state is frozen, some freezing ancestor cgroups may change in cgroup_propagate_frozen()
44 * Otherwise, all ancestor cgroups are forced into the non-frozen state. in cgroup_propagate_frozen()
78 /* If flags is updated, update the state of ancestor cgroups. */ in cgroup_update_frozen()
315 * The state can be enforced by an ancestor cgroup: the cgroup in cgroup_freeze()
/linux/mm/
H A Dvmpressure.c159 bool ancestor, bool signalled) in vmpressure_event() argument
166 if (ancestor && ev->mode == VMPRESSURE_LOCAL) in vmpressure_event()
186 bool ancestor = false; in vmpressure_work_fn() local
212 if (vmpressure_event(vmpr, level, ancestor, signalled)) in vmpressure_work_fn()
214 ancestor = true; in vmpressure_work_fn()
/linux/include/linux/
H A Dpid_namespace.h93 struct pid_namespace *ancestor);
131 struct pid_namespace *ancestor) in pidns_is_ancestor() argument
H A Duser_namespace.h203 extern bool in_userns(const struct user_namespace *ancestor,
236 static inline bool in_userns(const struct user_namespace *ancestor, in in_userns() argument
H A Dcgroup-defs.h285 * to the matching cset of the nearest domain ancestor. The
313 * attached to an ancestor instead of the cgroup this css_set is
563 * the closest ancestor which has the subsys enabled. The
571 * domain ancestor. Inside a threaded subtree, cgroups are exempt
/linux/kernel/
H A Dpid_namespace.c390 struct pid_namespace *ancestor) in pidns_is_ancestor() argument
394 if (child->level < ancestor->level) in pidns_is_ancestor()
396 for (ns = child; ns->level > ancestor->level; ns = ns->parent) in pidns_is_ancestor()
398 return ns == ancestor; in pidns_is_ancestor()
H A Duser_namespace.c887 * will be able to write fscaps that are valid in ancestor user namespaces.
1311 * @ancestor.
1313 bool in_userns(const struct user_namespace *ancestor, in in_userns() argument
1317 for (ns = child; ns->level > ancestor->level; ns = ns->parent) in in_userns()
1319 return (ns == ancestor); in in_userns()
/linux/drivers/cpufreq/
H A Dspear-cpufreq.c72 * access a source clock (clk) which might not be ancestor of cpu at present.
130 * src clock to be altered is ancestor of cpu clock. Hence we in spear_cpufreq_target()
/linux/fs/kernfs/
H A Dmount.c191 * find the next ancestor in the path down to @child, where @parent was the
192 * ancestor whose descendant we want to find.
241 * the ancestor node outside of the RCU or locked section. in kernfs_node_dentry()
/linux/tools/testing/selftests/cgroup/
H A Dtest_cpu.c518 const char *ancestor; in run_cpucg_nested_weight_test() local
522 ancestor = parent; in run_cpucg_nested_weight_test()
525 ancestor = child; in run_cpucg_nested_weight_test()
528 leaf[i].cgroup = cg_name_indexed(ancestor, "cpucg_leaf", i); in run_cpucg_nested_weight_test()
H A Dtest_cpuset_v1_hp.sh5 # CPUs will force migration of tasks out to an ancestor.
/linux/Documentation/devicetree/bindings/fpga/
H A Dfpga-region.yaml163 Manager specified by its ancestor FPGA Region. This supports both the case
167 FPGA Regions do not inherit their ancestor FPGA regions' bridges. This prevents
273 inherit this property from their ancestor regions. An fpga-mgr property
/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_vm_pt.c366 struct amdgpu_bo *ancestor = &vmbo->bo; in amdgpu_vm_pt_clear() local
373 if (ancestor->parent) { in amdgpu_vm_pt_clear()
375 while (ancestor->parent->parent) { in amdgpu_vm_pt_clear()
377 ancestor = ancestor->parent; in amdgpu_vm_pt_clear()
/linux/security/landlock/
H A Dtask.c38 * Checks if the @parent domain is less or equal to (i.e. an ancestor, which in domain_scope_le()
225 * ancestor. in hook_unix_stream_connect()
/linux/kernel/bpf/
H A Dhelpers.c431 struct cgroup *ancestor; in BPF_CALL_1() local
436 ancestor = cgroup_ancestor(cgrp, ancestor_level); in BPF_CALL_1()
437 cgrp_id = ancestor ? cgroup_id(ancestor) : 0; in BPF_CALL_1()
2521 * bpf_cgroup_ancestor - Perform a lookup on an entry in a cgroup's ancestor
2525 * @level: The level of ancestor to look up.
2529 struct cgroup *ancestor; in bpf_cgroup_ancestor() local
2535 ancestor = cgrp->ancestors[level]; in bpf_cgroup_ancestor()
2536 if (!cgroup_tryget(ancestor)) in bpf_cgroup_ancestor()
2538 return ancestor; in bpf_cgroup_ancestor()
2561 * @ancestor: possible ancestor of @task's cgroup
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