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authorLinux Build Service Account <lnxbuild@localhost>2016-09-30 11:33:23 -0600
committerLinux Build Service Account <lnxbuild@localhost>2016-09-30 11:33:23 -0600
commit89ca2e2c45e6e48a2d47ebb5bf845bfec88e4319 (patch)
treea4a13dd84e201ffd7398caffd3043265621e1aa4 /kernel/time
parent8d9657e7e077f13fd3e4e8091d3f1c5ca81f6649 (diff)
parent46692be6dd06ce405cb09cf8338b1f0edbbfb295 (diff)
Promotion of kernel.lnx.4.4-160930.
CRs Change ID Subject -------------------------------------------------------------------------------------------------------------- 1054226 Ifefb2f1cf6c24af7bc46fc62797955b8c8ad5815 perf: Add cpu isolation awareness 1055668 Ibb8afffdc1e4780a48d085918cb6d6cf84cc0dba msm: camera: Export IR LED device to mm-qcamera-daemon 1065513 I45690b239c73f636538b864f0c4a7e539a02eedb input: touchscreen: Change dev_pm_ops for Goodix driver 1069068 Ie19fececd9d2bc6cd3328a6c63c956bcc9eed9a6 arm64: process: Reduce the no. of bytes of data around r 1064336 I18a27267eebdca2c87bf4bffc11a120822cdc7c2 msm: ipa3: hal: change FnR prints to low 1063261 Id38c8e21a853907c884bccd2978f2fd0a547a1ca wil6210: fix wiphy registration sequence 1067981 I3f78196927501f582c36d5815096581185d797b4 soc: qcom: glink: Fix uninitialzed return value. 1065513 I3a00fb46106f859128f0fa9b8c99b5d6ba24bc7b input: touchscreen: Code clean-up for Goodix driver 1054226 I2c62af441fb9e5ba9f29719853a63e4c8f2d031b defconfig: msm: Disable core control helper 1054000 I783b7df9c7e0253e5dc88bd60e0b5300e26fba56 drivers: soc: Enable APR driver to use audio notifier 1044635 1053246 I8c5b8ffc62d34a44bfb47ec4f11477d4320d30a8 misc: qcom: qdsp6v2: SSR recovery support for NT decoder 1001175 I7d1e4d5cc421b800d2f00b6d23f6ff19ba4c4c7d msm: pcie: configurable PERST propagation delay 1067178 I9951f061ad22cc91eba1c75aba3bdfbdde904cb9 ASoC: wcd934x: Add dapm ignore suspend for backend dais 1068464 I479e23db73a64e0fc1371e6b5abfaf1c8969954b ARM: dts: msm: correct PM8005 S1 min/max voltage for msm 1053827 Icee01f6ba95e469acac9eed6bf2fdbc83947f5a8 msm: kgsl: Revisit the GPU snapshot dumping 1068464 I8539ca3a3456b9562e7ff0e48fd7824c15cea68f regulator: cpr3-mmss-regulator: update reference voltage 1066695 I11e71639291479d544849d0f8672b9384fa34d0a ARM: dts: msm: Add SMP2P entries for MSMTRITON 1064336 Ie1f0f48ffc1fd67fc8a2074d3d334fb8cd29c99f msm: ipa3: change FnR prints to low 1054000 I15325c1385eaa0f0cca2c07130f2b4a997d98e1f drivers: soc: Add Audio Notifier, PDR, and SSR drivers 1071217 I37e6f76b60ef0085d102c5d98179b467f6b77dee ARM: dts: msm: Add bus name to venus pil for MSMCOBALT 1060610 I88b6c0748e6683b2f11b751840ab26e3ed397b70 ASoC: wcd9335: add handset speaker gain mixer control 1054000 Ief6e89b003aa1e2b02f33e21e3cb17f8731425ad ASoC: msmcobalt: Add Audio Notifier, PDR, and SSR to Kco 1054226 I62acddeb707fc7d5626580166b3466e63f45fd89 core_ctl_helper: Remove code since it is not used anymor 1056661 Ida0d2d010f7bd226d7e2221f63e64a1d7e5a9075 ARM: dts: msm: Remove 710Mhz frequency for A540v2 GPU. 1063261 I51e58438672a45d210df5db3ac813e656cb525df wil6210: change HALP logging category to IRQ 1062271 If462fe3d82f139d72547f82dc7eb564f83cb35bf ASoC: msm: initialize the params array before using it 1054226 I4f1514ba5bac2e259a1105fcafb31d6a92ddd249 sched/core_ctl: Integrate core control with cpu isolatio 1063261 Ibc1e6dc2994268a60384b7d9bd459abc3791a0c4 wil6210: fix protection of wil->scan_request 1066424 Ic6dd2d1e7f829630dc6eae5ff74fae04f7fc7f9b ARM: dts: msm: enable more FG interrupts for PMICOBALT 1066695 I82e992df1bfa1113843a0772ca8b88e48050dd8d ARM: dts: msm: Add glink_pkt devices for MSMTRITON 1069455 Ibae066276b099ffb78c72a890a689f83e4df56a9 thermal: tsens: Update sensor ID index 1054226 Ice1a9503666a2b720bdb324289ca55ceb33097cd cpumask: Add cpu isolation support 1054226 I96505aeb9d07a6fa3a2c28648ffa299e0cfa2e41 sched/core_ctl: Refactor cpu data 1054226 Ib911a0d34c250c4df020bdb265b92d2b8df8db93 timer: Do not require CPUSETS to be enabled for migratio 1054226 Ie4c6cb1496ae3490d81681f1ad51c8103caa0014 soc: qcom: watchdog_v2: Add support for cpu isolation 1068464 I3fbfa4c1fc5a6b4f30f8acaf659d2abcc05a7d16 ARM: dts: msm: modify VDD_GFX CPR ceiling voltages for m 1066695 I1aaeec4eea40fedbadf8b6008233dbd6ce5b3312 ARM: dts: msm: Add ipc-spinlock entry for MSMTRITON 1054226 Icc4d1c183e993b4b3c9b96ec9779c234e73ecab7 hrtimer: make sure PINNED flag is cleared after removing 1069455 I63e2a0a29f6bbe787fa10170c28569cf692d2807 ARM: dts: msm: Update TSENS sensor ID for MSMCOBALT 1070187 Id2de8e2ac94476c1a4927f719f2987a31d692ab5 ARM: dts: msm: modify VDD_APC0/1 CPR voltages for msmcob 1065513 I0a9037eac6e30a6319919043dd2ef1c226663af9 input: touchscreen: Remove irq polling from Goodix drive 1065513 I5132854367330a9b47f678409cbe6a45f2b5abb3 msm: reap unused kernel files 1063261 I20bc8d4b2b58fc3235ec3fe778738055d7535276 wil6210: extract firmware capabilities from FW file 1069380 Ic332f87666e405edbf3511671828ba824af1f3a2 ARM: dts: msm: Fix smem rpm xprt entry for msmfalcon 1054226 I8624e0659b86b7b8fa425a3fafdb0784fe005124 timer: create timer_quiesce_cpu() to isolate CPU from ti 1056910 I09fcc019133f4d37b7be3287da8e0733e40fc0ac sched: constrain HMP scheduler tunable range with in bet 1063261 Ib5c55a37208d76505658635b12afc88552d5a220 wil6210: support rx key setting for all TIDs 1071204 Ib44789559c69e5808ed362cf9191486c93b2b66e msm: mink: Accept zero args for invoke command 1071752 I1dddc7df26caa1556e57128603afd32b2613ebde soc: qcom: pil: add PBL spare error status 1066569 I99ce1e5940506a5e65debfe822460c210a276b00 thermal: adc_tm: Initialize ADC parameters 1054000 I2ab027d4a6e2cb98df5358e24f6bebacd9aecca7 drivers: soc: Add Kconfigs for Audio Notifier, PDR, and 1002389 Id74650d5c4aaf9f84a56372f60ff5a40374e8f7b diag: Fix possible buffer corruption by proper typecasti 1054226 I5975f1e5d7a1947dc5ee1cf8a0c16ec88b0fc6fb defconfig: msmcortex: Enable core control 1065513 I3ade13181957d327ad9d0266b1999a4b0f2d8d1a input: touchscreen: Add threaded irq support to Goodix d 1069084 I916e37bd79a6645bdc186a78a65051ce1c4dd475 soc: qcom: Listen to SUBSYS_AFTER_SHUTDOWN notification 1054226 I401de0b52fa6d20573187265ee56edd543b1419e vmstat: Add cpu isolation awareness 1066422 Id9f28a0eeb2a904aca41eb46d0215d80287e0b88 qcom-charger: fg-util: add float decode function 1071363 I542fab59eadbea404c0001d25315172cc993488b ASoC: wcd934x: Avoid pop during dsd path tear down 1054226 I51259ea41e3bd5cdba50b718201a6840174a7224 hrtimer: create hrtimer_quiesce_cpu() to isolate CPU fro 1054226 I5d849dfd29aa5bb594454473768d7db1da258028 sched/tick: Ensure timers does not get queued on isolate 1054226 I7b50778615541a64f9956573757c7f28748c4f69 irq: Make irq affinity function cpu isolation aware 1068946 I6943b7f5565ad95eddb9e3d30de5efbc47106e3d qpnp-smb2: support batteryless platforms 1054226 I83e9fbb800df259616a145d311b50627dc42a5ff pmqos: Enable cpu isolation awareness 1054226 I632f37874ef79887ee1202a028ef734f392d6ed0 hrtimer.h: prevent pinned timer state from breaking inac 1066695 I53657de1a41e727b29793f02c7f2c1a43db1c96c ARM: dts: msm: Add G-Link SSR entries for MSMTRITON 1055668 I63da161f90bce2c33d1e7e9d5822c8635e307fd5 msm: camera: Export IR CUT device to mm-qcamera-daemon 1054226 I88a728ee1d54aaa887fab52e5e40d1d4e4fc69ca watchdog: Add support for cpu isolation 1070189 I791941fbede4b136c3f24d15b7fb0b60dd5477e6 ASoC: wcd934x: Check for null pointer before access 1066695 I6ee171881943d8ab77445ede1c6ee714ed171d4d ARM: dts: msm: Add SMEM entry for MSMTRITON 1054226 I370e404001344e635a663822b07557abbe0f6f52 timer: Add function to migrate timers 1046649 I941f91eeba01f4e7aa5427056bc57875e7edf197 msm: kgsl: Add memory and periphery clock control for A5 1068888 I5637e52be59ea9504ea6ae317394bef0c28c7865 net: ipc_router: fix NULL pointer de-reference issue 1066695 I276db2a07870864fca046627a615a30bc4e3936e ARM: dts: msm: Add IPC Router devices for MSMTRITON 1067981 I82b08ff548a9abb0538a0ba24f699a99547ec7b7 soc: qcom: glink_ssr: Fix uninitialized variable 1066695 I1e59ec8028e128a764d3a79d446b5e8d650937b1 ARM: dts: msm: Add G-Link SMEM Transport entries for MSM 1054226 I24d6e91b6dff468c640c2fe3a37a7f31b6f0c79a timer: Ensure timers are not running before migrating 1054226 I65943d8e4a9eac1f9f5a40ad5aaf166679215f48 trace: Move core control trace events to scheduler 1065513 I280f2201c69838ad4da8eb94e9f10768f54ed457 input: touchscreen: Fix issues in suspend path 1065513 I6c18e153ddf18667ca83d47df20c71bce6dbfa21 input: touchscreen: Remove redundant code from Goodix dr 1055668 I2e04fa47efd1454bb487eca67bd9ceaeab3e9edf msm: camera: Add a driver to control IR LED device 1054226 Ia78e701468ea3828195c2a15c9cf9fafd099804a core_ctrl: Move core control into kernel 1054226 If2d30000f068afc50db953940f4636ef6a089b24 sched/core: Add trace point for cpu isolation 1057562 I76c9a9e44755a4a77e6cffb1dc07f5b28c8b34b8 Migrate mpq demux driver from kernel 3.18 to 4.4 1036232 If6c273d9a86f9fc4bc841388b11b96c385dc64f4 net: cnss: Add support to get fw files for QCA SDIO targ 1068464 I2b0a8e5353c9bce25c965a8b6ead7494454466c9 ARM: dts: msm: modify VDD_GFX CPR voltage adjustments fo 1065513 Ic2b1b2562b63ccecdf15bdc64ad7e45996d196d3 input: touchscreen: Add debugfs support for suspend/resu 1070872 I6cbe4167ab9d980b75f4fefdd4add0d8e8adaef8 ARM: dts: msm: add slimbus7 and slimbus8 cpu dais for ms 1054226 If3b3770e547971809e789ea7c8033c48ec2aa92d hrtimer: update timer->state with 'pinned' information 1064336 I5cfadb3ee7cb339b89b0c428bae46d3802476eb9 msm: ipa3: increase SSR tag timeout 1055668 I30d1c4e6c40b8e58a70f06db9e05231b4c7f676f msm: camera: Add a driver to control IR CUT device 1054226 I0bbddb56238c2958c5987877c5bfc3e79afa67cc sched: add cpu isolation support 1051762 Ife6146d28c8bc834a79e861959eca03e58e12d5e ASoC: msm: qdsp6v2: Change device switch handling 1063261 I95c14c0fe7a33c078eb7d9aa44dd97a64f9b0fae wil6210: align to latest auto generated wmi.h 1063261 I169e0c94edf5df31336af1ede36900ec337f4314 wil6210: align to latest auto generated wmi.h 1071938 I7ab180e06ececf8136903ee04565b8b4a2bf3524 icnss: update logs for QMI rejected messages 1057065 Ie6234ae30ad47a063982e5cc50f4ecedf1f61de2 msm: pcie: verify EP is accessible before conf restore 993625 I2c99df5de44a6fd924ce7f5921db0e1cf3ba5d11 msm: pil: Adding function name and buffer size informati 1065983 I12154b0aa315fde6dd92267d4c8f4a78a6f0236f ASoC: msmcobalt: send ANC config for WCD9340 codec 1071464 Ic3ef2229fa8552301e09dfb912e79e044a81324f usb: dwc3: fix overriding core clock rate to default max 1054000 Ib88a71e2fdb2b58fd5f87a65cb7d3253884f2d97 ASoC: msmcobalt: Enable msmcobalt to use audio notifier 1063261 Ifb92501aab14843309fed8e1214a867b2ccccfce wil6210: Fix driver down flow 1065983 I8c83f6305dbc0a40b67bf2ffd53d37a0abdcf953 ASoC: wcd934x: enable rate converter clock for AANC 1054226 I07702bb5b738c1c75c49a2ca4cb08be0231ccb12 smp: Do not wake up all idle CPUs 1063261 Id17271823d167677a323dd1f52c7de4c6025b56e wil6210: prevent usage of incorrect TX hwtail 1063261 I79f8522ae84dd209cb98c3bbc52cfaeb199dd342 wil6210: fix stop p2p device handling 1057562 Ia50bd897f6bf4c0ea7adc27d53a657090a09e229 Migrate demux driver from kernel 3.18 to 4.4 1066563 I0e21c5966e0072eab826c92fc332c54e11cb0b23 thermal: tsens: Update readl call in msm_tsens_get_temp( 1054226 I6a13e8dda99130ca794e5b6f51600f4c57a3e921 drivers/base: cpu: Add node for cpu isolation Change-Id: If82c9559e44520d270bc164fcb86b382b71301ff CRs-Fixed: 1036232, 1069455, 1071204, 1001175, 1053827, 1057562, 1060610, 1068946, 1071363, 1071938, 1068888, 1069380, 1069068, 1065983, 1055668, 1066695, 1067981, 1063261, 1064336, 1067178, 1066422, 1066424, 1065513, 1066569, 1070189, 1057065, 1068464, 1071217, 1066563, 1069084, 1070187, 993625, 1053246, 1070872, 1051762, 1046649, 1056661, 1062271, 1002389, 1071752, 1056910, 1054000, 1044635, 1054226, 1071464
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/hrtimer.c74
-rw-r--r--kernel/time/timer.c68
2 files changed, 106 insertions, 36 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index fa909f9fd559..1b0117198a08 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -880,7 +880,7 @@ static int enqueue_hrtimer(struct hrtimer *timer,
base->cpu_base->active_bases |= 1 << base->index;
- timer->state = HRTIMER_STATE_ENQUEUED;
+ timer->state |= HRTIMER_STATE_ENQUEUED;
return timerqueue_add(&base->active, &timer->node);
}
@@ -900,11 +900,9 @@ static void __remove_hrtimer(struct hrtimer *timer,
u8 newstate, int reprogram)
{
struct hrtimer_cpu_base *cpu_base = base->cpu_base;
- u8 state = timer->state;
- timer->state = newstate;
- if (!(state & HRTIMER_STATE_ENQUEUED))
- return;
+ if (!(timer->state & HRTIMER_STATE_ENQUEUED))
+ goto out;
if (!timerqueue_del(&base->active, &timer->node))
cpu_base->active_bases &= ~(1 << base->index);
@@ -921,6 +919,13 @@ static void __remove_hrtimer(struct hrtimer *timer,
if (reprogram && timer == cpu_base->next_timer)
hrtimer_force_reprogram(cpu_base, 1);
#endif
+
+out:
+ /*
+ * We need to preserve PINNED state here, otherwise we may end up
+ * migrating pinned hrtimers as well.
+ */
+ timer->state = newstate | (timer->state & HRTIMER_STATE_PINNED);
}
/*
@@ -949,6 +954,7 @@ remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base, bool rest
state = HRTIMER_STATE_INACTIVE;
__remove_hrtimer(timer, base, state, reprogram);
+ timer->state &= ~HRTIMER_STATE_PINNED;
return 1;
}
return 0;
@@ -1002,6 +1008,10 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
timer_stats_hrtimer_set_start_info(timer);
+ /* Update pinned state */
+ timer->state &= ~HRTIMER_STATE_PINNED;
+ timer->state |= (!!(mode & HRTIMER_MODE_PINNED)) << HRTIMER_PINNED_SHIFT;
+
leftmost = enqueue_hrtimer(timer, new_base);
if (!leftmost)
goto unlock;
@@ -1176,8 +1186,8 @@ bool hrtimer_active(const struct hrtimer *timer)
cpu_base = READ_ONCE(timer->base->cpu_base);
seq = raw_read_seqcount_begin(&cpu_base->seq);
- if (timer->state != HRTIMER_STATE_INACTIVE ||
- cpu_base->running == timer)
+ if (((timer->state & ~HRTIMER_STATE_PINNED) !=
+ HRTIMER_STATE_INACTIVE) || cpu_base->running == timer)
return true;
} while (read_seqcount_retry(&cpu_base->seq, seq) ||
@@ -1614,13 +1624,17 @@ static void init_hrtimers_cpu(int cpu)
hrtimer_init_hres(cpu_base);
}
-#ifdef CONFIG_HOTPLUG_CPU
-
+#if defined(CONFIG_HOTPLUG_CPU)
static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base,
- struct hrtimer_clock_base *new_base)
+ struct hrtimer_clock_base *new_base,
+ bool remove_pinned)
{
struct hrtimer *timer;
struct timerqueue_node *node;
+ struct timerqueue_head pinned;
+ int is_pinned;
+
+ timerqueue_init_head(&pinned);
while ((node = timerqueue_getnext(&old_base->active))) {
timer = container_of(node, struct hrtimer, node);
@@ -1633,6 +1647,13 @@ static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base,
* under us on another CPU
*/
__remove_hrtimer(timer, old_base, HRTIMER_STATE_ENQUEUED, 0);
+
+ is_pinned = timer->state & HRTIMER_STATE_PINNED;
+ if (!remove_pinned && is_pinned) {
+ timerqueue_add(&pinned, &timer->node);
+ continue;
+ }
+
timer->base = new_base;
/*
* Enqueue the timers on the new cpu. This does not
@@ -1644,17 +1665,23 @@ static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base,
*/
enqueue_hrtimer(timer, new_base);
}
+
+ /* Re-queue pinned timers for non-hotplug usecase */
+ while ((node = timerqueue_getnext(&pinned))) {
+ timer = container_of(node, struct hrtimer, node);
+
+ timerqueue_del(&pinned, &timer->node);
+ enqueue_hrtimer(timer, old_base);
+ }
}
-static void migrate_hrtimers(int scpu)
+static void __migrate_hrtimers(int scpu, bool remove_pinned)
{
struct hrtimer_cpu_base *old_base, *new_base;
+ unsigned long flags;
int i;
- BUG_ON(cpu_online(scpu));
- tick_cancel_sched_timer(scpu);
-
- local_irq_disable();
+ local_irq_save(flags);
old_base = &per_cpu(hrtimer_bases, scpu);
new_base = this_cpu_ptr(&hrtimer_bases);
/*
@@ -1666,7 +1693,7 @@ static void migrate_hrtimers(int scpu)
for (i = 0; i < HRTIMER_MAX_CLOCK_BASES; i++) {
migrate_hrtimer_list(&old_base->clock_base[i],
- &new_base->clock_base[i]);
+ &new_base->clock_base[i], remove_pinned);
}
raw_spin_unlock(&old_base->lock);
@@ -1674,7 +1701,20 @@ static void migrate_hrtimers(int scpu)
/* Check, if we got expired work to do */
__hrtimer_peek_ahead_timers();
- local_irq_enable();
+ local_irq_restore(flags);
+}
+
+static void migrate_hrtimers(int scpu)
+{
+ BUG_ON(cpu_online(scpu));
+ tick_cancel_sched_timer(scpu);
+
+ __migrate_hrtimers(scpu, true);
+}
+
+void hrtimer_quiesce_cpu(void *cpup)
+{
+ __migrate_hrtimers(*(int *)cpup, false);
}
#endif /* CONFIG_HOTPLUG_CPU */
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 51896272fcde..0efb3916f5a4 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1620,56 +1620,86 @@ signed long __sched schedule_timeout_uninterruptible(signed long timeout)
}
EXPORT_SYMBOL(schedule_timeout_uninterruptible);
-#ifdef CONFIG_HOTPLUG_CPU
-static void migrate_timer_list(struct tvec_base *new_base, struct hlist_head *head)
+#if defined(CONFIG_HOTPLUG_CPU)
+static void migrate_timer_list(struct tvec_base *new_base,
+ struct hlist_head *head, bool remove_pinned)
{
struct timer_list *timer;
int cpu = new_base->cpu;
+ struct hlist_node *n;
+ int is_pinned;
- while (!hlist_empty(head)) {
- timer = hlist_entry(head->first, struct timer_list, entry);
- /* We ignore the accounting on the dying cpu */
- detach_timer(timer, false);
+ hlist_for_each_entry_safe(timer, n, head, entry) {
+ is_pinned = timer->flags & TIMER_PINNED_ON_CPU;
+ if (!remove_pinned && is_pinned)
+ continue;
+
+ detach_if_pending(timer, get_timer_base(timer->flags), false);
timer->flags = (timer->flags & ~TIMER_BASEMASK) | cpu;
internal_add_timer(new_base, timer);
}
}
-static void migrate_timers(int cpu)
+static void __migrate_timers(int cpu, bool wait, bool remove_pinned)
{
struct tvec_base *old_base;
struct tvec_base *new_base;
+ unsigned long flags;
int i;
- BUG_ON(cpu_online(cpu));
old_base = per_cpu_ptr(&tvec_bases, cpu);
new_base = get_cpu_ptr(&tvec_bases);
/*
* The caller is globally serialized and nobody else
* takes two locks at once, deadlock is not possible.
*/
- spin_lock_irq(&new_base->lock);
+ spin_lock_irqsave(&new_base->lock, flags);
spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING);
- BUG_ON(old_base->running_timer);
+ if (wait) {
+ /* Ensure timers are done running before continuing */
+ while (old_base->running_timer) {
+ spin_unlock(&old_base->lock);
+ spin_unlock_irqrestore(&new_base->lock, flags);
+ cpu_relax();
+ spin_lock_irqsave(&new_base->lock, flags);
+ spin_lock_nested(&old_base->lock, SINGLE_DEPTH_NESTING);
+ }
+ } else {
+ BUG_ON(old_base->running_timer);
+ }
for (i = 0; i < TVR_SIZE; i++)
- migrate_timer_list(new_base, old_base->tv1.vec + i);
+ migrate_timer_list(new_base, old_base->tv1.vec + i,
+ remove_pinned);
for (i = 0; i < TVN_SIZE; i++) {
- migrate_timer_list(new_base, old_base->tv2.vec + i);
- migrate_timer_list(new_base, old_base->tv3.vec + i);
- migrate_timer_list(new_base, old_base->tv4.vec + i);
- migrate_timer_list(new_base, old_base->tv5.vec + i);
+ migrate_timer_list(new_base, old_base->tv2.vec + i,
+ remove_pinned);
+ migrate_timer_list(new_base, old_base->tv3.vec + i,
+ remove_pinned);
+ migrate_timer_list(new_base, old_base->tv4.vec + i,
+ remove_pinned);
+ migrate_timer_list(new_base, old_base->tv5.vec + i,
+ remove_pinned);
}
- old_base->active_timers = 0;
- old_base->all_timers = 0;
-
spin_unlock(&old_base->lock);
- spin_unlock_irq(&new_base->lock);
+ spin_unlock_irqrestore(&new_base->lock, flags);
put_cpu_ptr(&tvec_bases);
}
+/* Migrate timers from 'cpu' to this_cpu */
+static void migrate_timers(int cpu)
+{
+ BUG_ON(cpu_online(cpu));
+ __migrate_timers(cpu, false, true);
+}
+
+void timer_quiesce_cpu(void *cpup)
+{
+ __migrate_timers(*(int *)cpup, true, false);
+}
+
static int timer_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{