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/Linux-v4.19/tools/testing/selftests/vm/
Dthuge-gen.c145 unsigned long before, after; in test_mmap() local
148 before = read_free(size); 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()
188 before, after, before - after, size); in test_shmget()
189 assert(size == getpagesize() || (before - after) == NUM_PAGES); in test_shmget()
/Linux-v4.19/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()
90 printf("Saw MMCR0 before 0x%lx after 0x%lx\n", before, after); in test_body()
/Linux-v4.19/tools/testing/selftests/intel_pstate/
Daperf.c25 struct timeb before, after; in main() local
58 ftime(&before); in main()
76 start = before.time*1000 + before.millitm; in main()
/Linux-v4.19/tools/memory-model/Documentation/
Dexplanation.txt147 private variables before using them. All that is beside the point;
160 instance, P1 might run entirely before P0 begins, in which case r1 and
161 r2 will both be 0 at the end. Or P0 might run entirely before P1
166 store to buf but before the store to flag. In this case, r1 and r2
194 Since r1 = 1, P0 must store 1 to flag before P1 loads 1 from
197 P1 loads from flag before loading from buf, since CPUs execute
200 P1 must load 0 from buf before P0 stores 1 to it; otherwise r2
204 P0 stores 1 to buf before storing 1 to flag, since it executes
208 execute before itself, the specified outcome is impossible.
263 It's not possible to have X ordered before Y, Y ordered before Z, and
[all …]
/Linux-v4.19/net/netfilter/ipset/
Dip_set_list_set.c40 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()
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()
330 if (d->before > 0) { in list_set_udel()
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/Linux-v4.19/arch/powerpc/lib/
Drheap.c154 rh_block_t *before; in attach_free_block() local
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()
214 if (before != NULL && after == NULL) { in attach_free_block()
215 before->size += size; in attach_free_block()
220 if (before == NULL && after != NULL) { in attach_free_block()
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/Linux-v4.19/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-v4.19/scripts/coccinelle/free/
Difnullfree.cocci1 /// NULL check before some freeing functions is not needed.
52 cocci.print_main("NULL check before that freeing function is not needed", p)
58 msg = "WARNING: NULL check before some freeing functions is not needed."
/Linux-v4.19/drivers/soc/fsl/qbman/
Dqman_ccsr.c603 u32 before, after; in qman_liodn_fixup() local
607 before = qm_ccsr_in(REG_REV3_QCSP_LIO_CFG(idx)); in qman_liodn_fixup()
609 before = qm_ccsr_in(REG_QCSP_LIO_CFG(idx)); in qman_liodn_fixup()
611 liodn_offset = before & LIO_CFG_LIODN_MASK; in qman_liodn_fixup()
615 after = (before & (~LIO_CFG_LIODN_MASK)) | liodn_offset; in qman_liodn_fixup()
626 u32 before, after; in qman_set_sdest() local
629 before = qm_ccsr_in(REG_REV3_QCSP_IO_CFG(idx)); in qman_set_sdest()
632 after = (before & (~IO_CFG_SDEST_MASK)) | (cpu_idx << 16); in qman_set_sdest()
635 before = qm_ccsr_in(REG_QCSP_IO_CFG(idx)); in qman_set_sdest()
636 after = (before & (~IO_CFG_SDEST_MASK)) | (cpu_idx << 16); in qman_set_sdest()
/Linux-v4.19/Documentation/virtual/kvm/
Dcpuid.txt7 mask-out some, or even all KVM-related cpuid features before launching
54 || || before enabling paravirtualized
58 || || before enabling paravirtualized
66 || || before using paravirtualized
/Linux-v4.19/fs/reiserfs/
Dlbalance.c901 void leaf_insert_into_buf(struct buffer_info *bi, int before, in leaf_insert_into_buf() argument
927 ih = item_head(bh, before); in leaf_insert_into_buf()
930 last_loc = nr ? ih_location(&ih[nr - before - 1]) : bh->b_size; in leaf_insert_into_buf()
931 unmoved_loc = before ? ih_location(ih - 1) : bh->b_size; in leaf_insert_into_buf()
948 memmove(ih + 1, ih, IH_SIZE * (nr - before)); in leaf_insert_into_buf()
952 for (i = before; i < nr + 1; i++) { in leaf_insert_into_buf()
953 unmoved_loc -= ih_item_len(&ih[i - before]); in leaf_insert_into_buf()
954 put_ih_location(&ih[i - before], unmoved_loc); in leaf_insert_into_buf()
1316 int before, in leaf_paste_entries() argument
1338 RFALSE(ih_entry_count(ih) < before, in leaf_paste_entries()
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/Linux-v4.19/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-v4.19/Documentation/devicetree/bindings/arm/marvell/
Darmada-38x.txt12 following property before the previous one:
19 following property before the previous one:
Darmada-39x.txt12 following property before the common "marvell,armada390" one:
23 property before the common "marvell,armada390" one:
/Linux-v4.19/Documentation/core-api/
Datomic_ops.rst43 initializer is used before runtime. If the initializer is used at runtime, a
44 proper implicit or explicit read memory barrier is needed before reading the
65 or explicit memory barrier is needed before the value set with the operation
155 variable a is set at boot time before the second CPU is brought online
213 include explicit memory barriers that are performed before and after
214 the operation. It must be done such that all memory operations before
219 before and after the atomic operation.
266 just before the operation.
319 "1" to obj->dead will be globally visible to other cpus before the
324 to other cpus before the "obj->dead = 1;" assignment.
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Dcircular-buffers.rst171 /* wake_up() will make sure that the head is committed before
179 before the head index makes it available to the consumer and then instructs the
180 CPU that the revised head index must be written before the consumer is woken.
185 producer must produce two elements before it could possibly corrupt the
199 /* Read index before reading contents at that index. */
210 /* Finish reading descriptor before incrementing tail. */
217 This will instruct the CPU to make sure the index is up to date before reading
219 before it writes the new tail pointer, which will erase the item.
/Linux-v4.19/Documentation/RCU/
Drculist_nulls.txt23 * reuse these object before the RCU grace period, we
67 solved by pre-fetching the "next" field (with proper barriers) before
76 before the move, 'next' pointer is NULL, and lockless reader can
87 * we need to make sure obj->key is updated before obj->next
100 very very fast (before the end of RCU grace period)
164 * changes to obj->key must be visible before refcnt one
/Linux-v4.19/net/ipv4/
Dtcp_input.c577 if (before(tp->rcv_nxt, tp->rcv_rtt_est.seq)) in tcp_rcv_rtt_measure()
899 if (!before(low_seq, fack)) in tcp_check_sack_reordering()
926 before(TCP_SKB_CB(skb)->seq, in tcp_verify_retransmit_hint()
1066 if (after(end_seq, tp->snd_nxt) || !before(start_seq, end_seq)) in tcp_is_sackblock_valid()
1070 if (!before(start_seq, tp->snd_nxt)) in tcp_is_sackblock_valid()
1086 if (!before(start_seq, tp->undo_marker)) in tcp_is_sackblock_valid()
1096 return !before(start_seq, end_seq - tp->max_window); in tcp_is_sackblock_valid()
1108 if (before(start_seq_0, TCP_SKB_CB(ack_skb)->ack_seq)) { in tcp_check_dsack()
1117 !before(start_seq_0, start_seq_1)) { in tcp_check_dsack()
1164 !before(end_seq, TCP_SKB_CB(skb)->end_seq); in tcp_match_skb_to_sack()
[all …]
/Linux-v4.19/Documentation/
Dio_ordering.txt9 chipset to flush pending writes to the device before any reads are posted. A
31 In the case above, the device may receive newval2 before it receives newval,
50 pending writes before actually posting the read to the chipset, preventing
/Linux-v4.19/net/ax25/
DTODO6 A device might be deleted after lookup in the SIOCADDRT ioctl but before it's
10 but added by somebody else before the device has been deleted fully.
/Linux-v4.19/Documentation/watchdog/
Dwatchdog-api.txt43 still responding before doing the write call to ping the watchdog.
61 /dev/watchdog just before closing the file. If the userspace daemon
109 Some watchdog timers can be set to have a trigger go off before the
112 information (like panic information and kernel coredumps) before it
118 Note that the pretimeout is the number of seconds before the time
131 Get the number of seconds before reboot:
134 before the system will reboot. The WDIOC_GETTIMELEFT is the ioctl
135 that returns the number of seconds before reboot.
/Linux-v4.19/tools/memory-model/
Dlinux-kernel.cat77 acyclic hb as happens-before
122 * The happens-before, propagation, and rcu constraints are all
124 * a single constraint on an "executes-before" relation, xb:
127 * acyclic xb as executes-before
/Linux-v4.19/tools/perf/tests/
Dopenat-syscall-tp-fields.c85 int before = nr_events; in test__syscall_openat_tp_fields() local
126 if (nr_events == before) in test__syscall_openat_tp_fields()
/Linux-v4.19/Documentation/arm/Samsung-S3C24XX/
DSuspend.txt49 A board can do its own setup before calling s3c_pm_init, if it
95 relevant clocks and peripherals setup before use (ie, bootloader).
109 This option prints messages to the serial console before and after
116 Allows the entire memory to be checksummed before and after the
/Linux-v4.19/Documentation/block/
Dwriteback_cache_control.txt10 operating system before data actually has hit the non-volatile storage. This
25 has been flushed before the actual I/O operation is started. This explicitly
27 storage before the flagged bio starts. In addition the REQ_PREFLUSH flag can be
68 support required, the block layer completes empty REQ_PREFLUSH requests before

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