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/Linux-v5.15/tools/testing/selftests/bpf/verifier/
Dprecise.c43 regs=4 stack=0 before 25\
44 regs=4 stack=0 before 24\
45 regs=4 stack=0 before 23\
46 regs=4 stack=0 before 22\
47 regs=4 stack=0 before 20\
50 regs=4 stack=0 before 19\
51 regs=200 stack=0 before 18\
52 regs=300 stack=0 before 17\
53 regs=201 stack=0 before 15\
54 regs=201 stack=0 before 14\
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/Linux-v5.15/tools/memory-model/Documentation/
Dexplanation.txt28 20. THE HAPPENS-BEFORE RELATION: hb
29 21. THE PROPAGATES-BEFORE RELATION: pb
149 private variables before using them. All that is beside the point;
162 instance, P1 might run entirely before P0 begins, in which case r1 and
163 r2 will both be 0 at the end. Or P0 might run entirely before P1
168 store to buf but before the store to flag. In this case, r1 and r2
196 Since r1 = 1, P0 must store 1 to flag before P1 loads 1 from
199 P1 loads from flag before loading from buf, since CPUs execute
202 P1 must load 0 from buf before P0 stores 1 to it; otherwise r2
206 P0 stores 1 to buf before storing 1 to flag, since it executes
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/Linux-v5.15/tools/perf/util/bpf_skel/
Dbpf_prog_profiler.bpf.c40 /* look up before reading, to reduce error */ in BPF_PROG()
55 struct bpf_perf_event_value *before, diff; in fexit_update_maps() local
58 before = bpf_map_lookup_elem(&fentry_readings, &zero); in fexit_update_maps()
60 if (before && before->counter) { in fexit_update_maps()
63 diff.counter = after->counter - before->counter; in fexit_update_maps()
64 diff.enabled = after->enabled - before->enabled; in fexit_update_maps()
65 diff.running = after->running - before->running; in fexit_update_maps()
83 /* read all events before updating the maps, to reduce error */ in BPF_PROG()
/Linux-v5.15/drivers/net/ethernet/intel/igc/
Digc_diag.c39 u32 pat, val, before; in reg_pattern_test() local
45 before = rd32(reg); in reg_pattern_test()
53 wr32(reg, before); in reg_pattern_test()
56 wr32(reg, before); in reg_pattern_test()
65 u32 val, before; in reg_set_and_check() local
67 before = rd32(reg); in reg_set_and_check()
75 wr32(reg, before); in reg_set_and_check()
78 wr32(reg, before); in reg_set_and_check()
86 u32 value, before, after; in igc_reg_test() local
95 before = rd32(IGC_STATUS); in igc_reg_test()
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/Linux-v5.15/tools/bpf/bpftool/skeleton/
Dprofiler.bpf.c46 /* look up before reading, to reduce error */ in BPF_PROG()
73 struct bpf_perf_event_value *before, diff; in fexit_update_maps() local
75 before = bpf_map_lookup_elem(&fentry_readings, &id); in fexit_update_maps()
77 if (before && before->counter) { in fexit_update_maps()
80 diff.counter = after->counter - before->counter; in fexit_update_maps()
81 diff.enabled = after->enabled - before->enabled; in fexit_update_maps()
82 diff.running = after->running - before->running; in fexit_update_maps()
102 /* read all events before updating the maps, to reduce error */ in BPF_PROG()
/Linux-v5.15/tools/testing/selftests/vm/
Dthuge-gen.c4 Before running this huge pages for each huge page size must have been
145 unsigned long before, after; in test_mmap() local
148 before = read_free(size); in test_mmap()
155 Dprintf("before %lu after %lu diff %ld size %lu\n", in test_mmap()
156 before, after, before - after, size); in test_mmap()
157 assert(size == getpagesize() || (before - after) == NUM_PAGES); in test_mmap()
166 unsigned long before, after; in test_shmget() local
169 before = read_free(size); in test_shmget()
187 Dprintf("before %lu after %lu diff %ld size %lu\n", in test_shmget()
188 before, after, before - after, size); in test_shmget()
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/Linux-v5.15/Documentation/virt/kvm/
Dcpuid.rst11 mask-out some, or even all KVM-related cpuid features before launching
66 before enabling paravirtualized
70 before enabling paravirtualized
78 before enabling paravirtualized
86 before using paravirtualized
90 before using the second async
96 before using extended destination
99 KVM_FEATURE_HC_MAP_GPA_RANGE 16 guest checks this feature bit before
103 KVM_FEATURE_MIGRATION_CONTROL 17 guest checks this feature bit before
/Linux-v5.15/include/linux/
Dinstrumented.h19 * before the actual read happens.
34 * before the actual write happens.
49 * before the actual write happens.
64 * before the actual read happens.
79 * before the actual write happens.
94 * inserted before the actual write happens.
109 * variants). The instrumentation must be inserted before the accesses.
126 * variants). The instrumentation should be inserted before the accesses.
Dentry-common.h119 * enable interrupts before invoking syscall_enter_from_user_mode_work().
141 * syscall_enter_from_user_mode_work - Check and handle work before invoking
167 * before invoking a syscall
242 * function before return. Defaults to NOOP.
255 * arch_exit_to_user_mode - Architecture specific final work before
259 * function before return. Defaults to NOOP.
314 * is not suitable as the last step before returning to userspace. Must be
317 * The caller has to invoke syscall_exit_to_user_mode_work() before this.
322 * syscall_exit_to_user_mode_work - Handle work before returning to user mode
330 * invoke exit_to_user_mode() before actually switching to user mode to
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Dlsm_hooks.h21 * advice before doing this.
78 * immediately before commit_creds().
122 * Check permission before obtaining filesystem statistics for the @mnt
127 * Check permission before an object specified by @dev_name is mounted on
165 * Check permission before the @mnt file system is unmounted.
170 * Check permission before pivoting the root filesystem.
190 * Check permission before a mount is moved.
261 * Check permission before creating a new hard link to a file.
269 * Check permission before creating a new hard link to a file.
379 * Check permissions before setting a watch on events as defined by @mask,
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/Linux-v5.15/Documentation/nvdimm/
Dmaintainer-entry-profile.rst25 before submitting, but it is not required.
32 Those tests need to be passed before the patches go upstream, but not
33 necessarily before initial posting. Contact the list if you need help
38 Before patches enabling a new _DSM family will be considered, it must
49 next merge window they should be sent before -rc4, and ideally
57 In general, please wait up to one week before pinging for feedback. A
/Linux-v5.15/tools/testing/selftests/powerpc/pmu/ebb/
Dpmae_handling_test.c29 static uint64_t before, after; variable
44 before = mfspr(SPRN_MMCR0); in syscall_ebb_callee()
50 if (before != after) in syscall_ebb_callee()
88 printf("Saw MMCR0 before 0x%lx after 0x%lx\n", before, after); in test_body()
/Linux-v5.15/scripts/
Dconfig84 local before="$1"
89 sed -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfile"
105 local name=$1 new=$2 before=$3
108 before_re="^($before=|# $before is not set)"
109 if test -n "$before" && grep -Eq "$before_re" "$FN"; then
110 txt_append "^$before=" "$new" "$FN"
111 txt_append "^# $before is not set" "$new" "$FN"
/Linux-v5.15/net/netfilter/ipset/
Dip_set_list_set.c36 int before; member
202 if (d->before == 0) { in list_set_utest()
204 } else if (d->before > 0) { in list_set_utest()
248 else if (d->before == 0 || e->id != d->refid) in list_set_uadd()
250 else if (d->before > 0) in list_set_uadd()
256 /* If before/after is used on an empty set */ in list_set_uadd()
257 if ((d->before > 0 && !next) || in list_set_uadd()
258 (d->before < 0 && !prev)) in list_set_uadd()
274 if (d->before == 0) { in list_set_uadd()
278 } else if (d->before > 0) { in list_set_uadd()
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/Linux-v5.15/arch/mips/include/asm/octeon/
Dcvmx-fau.h57 * bit will be set. Otherwise the value of the register before
67 * bit will be set. Otherwise the value of the register before
77 * bit will be set. Otherwise the value of the register before
87 * bit will be set. Otherwise the value of the register before
98 * register before the update will be returned.
168 * Returns Value of the register before the update
183 * Returns Value of the register before the update
198 * Returns Value of the register before the update
212 * Returns Value of the register before the update
229 * the value of the register before the update will be
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/Linux-v5.15/arch/powerpc/lib/
Drheap.c126 /* XXX: You should have called assure_empty before */ in get_slot()
154 rh_block_t *before; in attach_free_block() local
166 /* Find the blocks immediately before and after the given one in attach_free_block()
168 before = NULL; in attach_free_block()
182 before = blk; in attach_free_block()
188 if (before != NULL && after != NULL) in attach_free_block()
193 if (before && s != (before->start + before->size)) in attach_free_block()
194 before = NULL; in attach_free_block()
200 if (before == NULL && after == NULL) { in attach_free_block()
213 /* Grow the before block */ in attach_free_block()
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/Linux-v5.15/Documentation/ABI/obsolete/
Dsysfs-driver-hid-roccat-ryos27 Before reading this file, control has to be written to select
37 Before reading this file, control has to be written to select
47 Before reading this file, control has to be written to select
57 Before reading this file, control has to be written to select
67 Before reading this file, control has to be written to select
77 Before reading this file, control has to be written to select
88 Before reading this file, control has to be written to select
99 Before reading this file, control has to be written to select
110 Before reading this file, control has to be written to select
156 Before reading this file, control has to be written to select
[all …]
Dsysfs-driver-hid-roccat-isku27 Before reading this file, control has to be written to select
37 Before reading this file, control has to be written to select
47 Before reading this file, control has to be written to select
57 Before reading this file, control has to be written to select
67 Before reading this file, control has to be written to select
77 Before reading this file, control has to be written to select
87 Before reading this file, control has to be written to select
106 Before reading this file, control has to be written to select
117 Before reading this file, control has to be written to select
/Linux-v5.15/Documentation/ABI/stable/
Dsysfs-transport-srp13 layer error has been observed before removing a target port.
22 layer error has been observed before failing I/O. Zero means
38 attempt failed before retrying. Setting this attribute to
55 after the fast_io_fail_tmo timer has fired and before the
57 "dev_loss_tmo" timer has fired and before the port is finally
/Linux-v5.15/Documentation/driver-api/
Ddevice_link.rst11 before their parent, and the parent is always resumed before its children.
18 dependencies, i.e. that one device must be bound to a driver before
30 presence on the supplier. The consumer devices are not probed before the
31 supplier is bound to a driver, and they're unbound before the supplier
89 before the consumer is runtime suspended. ``DL_FLAG_AUTOREMOVE_CONSUMER``
112 a problem if the consumer is required to probe before a certain initcall level
159 not bind before the MMU is bound. To achieve this, a device link with
174 before the hotplug ports can resume. If the hotplug ports were children
250 add a device flag causing the parent driver to be probed before the
271 and consumer. If the link is created before any devices are probed, it
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/Linux-v5.15/kernel/sched/
Dmembarrier.c14 * barrier before sending the IPI
21 * order to enforce the guarantee that any writes occurring on CPU0 before
40 * so it's possible to have "r1 = x" reordered before "y = 1" at any
47 * before the IPI-induced memory barrier on CPU1.
49 * B) Userspace thread execution before IPI vs membarrier's memory
57 * order to enforce the guarantee that any writes occurring on CPU1 before
77 * before (b) (although not before (a)), so we get "r1 = 0". This violates
173 * ensure that memory on remote CPUs that occur before the IPI in ipi_sync_core()
190 * to the current task before the current task resumes. We could in ipi_rseq()
211 * before registration. in ipi_sync_rq_state()
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/Linux-v5.15/Documentation/ABI/testing/
Ddebugfs-driver-genwqe33 Description: Dump of the error registers before the last reset of
40 Description: Internal chip state of UID0 before card was reset.
46 Description: Internal chip state of UID1 before card was reset.
52 Description: Internal chip state of UID2 before card was reset.
76 The driver ensures that the settings are done just before
/Linux-v5.15/tools/testing/selftests/arm64/pauth/
Dpac.c331 struct signatures before; in TEST() local
336 sign_specific(&before, ARBITRARY_VALUE); in TEST()
344 ASSERT_EQ(before.keyia, after.keyia) TH_LOG("keyia changed after context switching"); in TEST()
345 ASSERT_EQ(before.keyib, after.keyib) TH_LOG("keyib changed after context switching"); in TEST()
346 ASSERT_EQ(before.keyda, after.keyda) TH_LOG("keyda changed after context switching"); in TEST()
347 ASSERT_EQ(before.keydb, after.keydb) TH_LOG("keydb changed after context switching"); in TEST()
354 size_t before; in TEST() local
359 before = keyg_sign(ARBITRARY_VALUE); in TEST()
367 ASSERT_EQ(before, after) TH_LOG("keyg changed after context switching"); in TEST()
/Linux-v5.15/Documentation/core-api/
Ddebug-objects.rst78 problem before the real initialization of the object happens. E.g. it
88 object before leaving the function which allocated it. See next section.
101 problem before the real initialization of the object happens. E.g. it
111 calling debug_object_free() before the function which allocates the
125 problem before the real activation of the object happens. E.g. it can
165 before the real destruction of the object happens. E.g. it can
174 This function is called before an object is freed.
180 fixup function can correct the problem before the real free of the
299 before returning.
/Linux-v5.15/drivers/gpu/drm/i915/
DKconfig.profile61 does not hit an arbitration point and yield to HW before the timer
78 Before sleeping waiting for a request (GPU operation) to complete,
92 int "How long to wait for an engine to quiesce gracefully before reset (ms)"
95 By stopping submission and sleeping for a short time before resetting
115 is scheduled for execution for the timeslice duration, before

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