[PATCH] PCI: Add disabling pm async quirk for JMicron chips

d in commit e6b7e41cdd8c ("ata: Disabling the async PM for JMicron chip 363/361"), so here add one quirk to disable the JMicron chips' PM async feature. Cc: sta...@vger.kernel.org # 3.15+ Signed-off-by: Chuansheng Liu --- drivers/pci/quirks.c | 17 + 1 file changed, 17

[PATCH] PCI: Add disabling pm async quirk for JMicron chips

the async PM for JMicron chip 363/361), so here add one quirk to disable the JMicron chips' PM async feature. Cc: sta...@vger.kernel.org # 3.15+ Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/pci/quirks.c | 17 + 1 file changed, 17 insertions(+) diff --git

[PATCH] PCI: Do not enable async suspend for JMicron chips

# 3.15+ Acked-by: Aaron Lu Signed-off-by: Chuansheng Liu --- drivers/pci/pci.c | 12 +++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 625a4ac..53128f0 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2046,7 +2046,17

[PATCH] PCI: Do not enable async suspend for JMicron chips

suspend method for Jmicron chip. Cc: sta...@vger.kernel.org # 3.15+ Signed-off-by: Chuansheng Liu --- drivers/pci/pci.c | 12 +++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 625a4ac..53128f0 100644 --- a/drivers/pci/pci.c

[PATCH] PCI: Do not enable async suspend for JMicron chips

suspend method for Jmicron chip. Cc: sta...@vger.kernel.org # 3.15+ Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/pci/pci.c | 12 +++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 625a4ac..53128f0 100644

[PATCH] PCI: Do not enable async suspend for JMicron chips

# 3.15+ Acked-by: Aaron Lu aaron...@intel.com Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/pci/pci.c | 12 +++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 625a4ac..53128f0 100644 --- a/drivers/pci/pci.c

[PATCH V2] ata: Disabling the async PM for JMicron chips

ync method directly, to avoid further similar issues. Details in: https://bugzilla.kernel.org/show_bug.cgi?id=84861 Reported-and-tested-by: Barto Signed-off-by: Chuansheng Liu --- drivers/ata/ahci.c | 11 +-- drivers/ata/pata_jmicron.c | 11 +-- 2 files changed, 10 inserti

[PATCH V2] ata: Disabling the async PM for JMicron chips

, to avoid further similar issues. Details in: https://bugzilla.kernel.org/show_bug.cgi?id=84861 Reported-and-tested-by: Barto mister.free...@laposte.net Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/ata/ahci.c | 11 +-- drivers/ata/pata_jmicron.c | 11

[PATCH] ata: Disabling the async PM for JMicron chips

, to avoid further similar issues. Details in: https://bugzilla.kernel.org/show_bug.cgi?id=84861 Reported-and-tested-by: Barto Signed-off-by: Chuansheng Liu --- drivers/ata/ahci.c |6 +++--- drivers/ata/pata_jmicron.c |6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff

[PATCH] ata: Disabling the async PM for JMicron chips

, to avoid further similar issues. Details in: https://bugzilla.kernel.org/show_bug.cgi?id=84861 Reported-and-tested-by: Barto mister.free...@laposte.net Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/ata/ahci.c |6 +++--- drivers/ata/pata_jmicron.c |6 +++--- 2 files

[tip:sched/core] cpuidle: Use wake_up_all_idle_cpus() to wake up all idle cpus

Commit-ID: 2ed903c5485bad0eafdd3d59ff993598736e4f31 Gitweb: http://git.kernel.org/tip/2ed903c5485bad0eafdd3d59ff993598736e4f31 Author: Chuansheng Liu AuthorDate: Thu, 4 Sep 2014 15:17:55 +0800 Committer: Ingo Molnar CommitDate: Fri, 19 Sep 2014 12:35:16 +0200 cpuidle: Use

[tip:sched/core] smp: Add new wake_up_all_idle_cpus() function

Commit-ID: c6f4459fc3ba532e896cb678e29b45cb985f82bf Gitweb: http://git.kernel.org/tip/c6f4459fc3ba532e896cb678e29b45cb985f82bf Author: Chuansheng Liu AuthorDate: Thu, 4 Sep 2014 15:17:54 +0800 Committer: Ingo Molnar CommitDate: Fri, 19 Sep 2014 12:35:15 +0200 smp: Add new

[tip:sched/core] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Commit-ID: f6be8af1c95de4a46e325e728900a70ceadb52cf Gitweb: http://git.kernel.org/tip/f6be8af1c95de4a46e325e728900a70ceadb52cf Author: Chuansheng Liu AuthorDate: Thu, 4 Sep 2014 15:17:53 +0800 Committer: Ingo Molnar CommitDate: Fri, 19 Sep 2014 12:35:14 +0200 sched: Add new API

[tip:sched/core] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Commit-ID: f6be8af1c95de4a46e325e728900a70ceadb52cf Gitweb: http://git.kernel.org/tip/f6be8af1c95de4a46e325e728900a70ceadb52cf Author: Chuansheng Liu chuansheng@intel.com AuthorDate: Thu, 4 Sep 2014 15:17:53 +0800 Committer: Ingo Molnar mi...@kernel.org CommitDate: Fri, 19 Sep 2014

[tip:sched/core] cpuidle: Use wake_up_all_idle_cpus() to wake up all idle cpus

Commit-ID: 2ed903c5485bad0eafdd3d59ff993598736e4f31 Gitweb: http://git.kernel.org/tip/2ed903c5485bad0eafdd3d59ff993598736e4f31 Author: Chuansheng Liu chuansheng@intel.com AuthorDate: Thu, 4 Sep 2014 15:17:55 +0800 Committer: Ingo Molnar mi...@kernel.org CommitDate: Fri, 19 Sep 2014

[tip:sched/core] smp: Add new wake_up_all_idle_cpus() function

Commit-ID: c6f4459fc3ba532e896cb678e29b45cb985f82bf Gitweb: http://git.kernel.org/tip/c6f4459fc3ba532e896cb678e29b45cb985f82bf Author: Chuansheng Liu chuansheng@intel.com AuthorDate: Thu, 4 Sep 2014 15:17:54 +0800 Committer: Ingo Molnar mi...@kernel.org CommitDate: Fri, 19 Sep 2014

[PATCH 3/3] cpuidle: Using the wake_up_all_idle_cpus() to wake up all idle cpus

Currently kick_all_cpus_sync() or smp_call_function() can not break the polling idle cpu immediately. Here using wake_up_all_idle_cpus() which can wake up the polling idle cpu quickly is much helpful for power. Signed-off-by: Chuansheng Liu --- drivers/cpuidle/cpuidle.c |9 ++--- 1

[PATCH 1/3] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Implementing one new API wake_up_if_idle(), which is used to wake up the idle CPU. Suggested-by: Andy Lutomirski Signed-off-by: Chuansheng Liu --- include/linux/sched.h |1 + kernel/sched/core.c | 19 +++ 2 files changed, 20 insertions(+) diff --git a/include/linux

[PATCH 2/3] smp: Adding new function wake_up_all_idle_cpus()

wake_up_all_idle_cpus() to let all cpus out of idle based on function wake_up_if_idle(). Signed-off-by: Chuansheng Liu --- include/linux/smp.h |2 ++ kernel/smp.c| 22 ++ 2 files changed, 24 insertions(+) diff --git a/include/linux/smp.h b/include/linux/smp.h index 34347f2

[PATCH 2/3] smp: Adding new function wake_up_all_idle_cpus()

wake_up_all_idle_cpus() to let all cpus out of idle based on function wake_up_if_idle(). Signed-off-by: Chuansheng Liu chuansheng@intel.com --- include/linux/smp.h |2 ++ kernel/smp.c| 22 ++ 2 files changed, 24 insertions(+) diff --git a/include/linux/smp.h b/include

[PATCH 3/3] cpuidle: Using the wake_up_all_idle_cpus() to wake up all idle cpus

Currently kick_all_cpus_sync() or smp_call_function() can not break the polling idle cpu immediately. Here using wake_up_all_idle_cpus() which can wake up the polling idle cpu quickly is much helpful for power. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/cpuidle/cpuidle.c

[PATCH 1/3] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Implementing one new API wake_up_if_idle(), which is used to wake up the idle CPU. Suggested-by: Andy Lutomirski l...@amacapital.net Signed-off-by: Chuansheng Liu chuansheng@intel.com --- include/linux/sched.h |1 + kernel/sched/core.c | 19 +++ 2 files changed, 20

[PATCH] ata: Disabling the async PM for JMicron chip 363/361

chip 363/361, we need forcedly to disable the async method. Bug detail: https://bugzilla.kernel.org/show_bug.cgi?id=81551 Reported-by: Jay Signed-off-by: Chuansheng Liu --- drivers/ata/ahci.c | 11 +++ drivers/ata/pata_jmicron.c | 11 +++ 2 files changed, 22

[PATCH] ata: Disabling the async PM for JMicron chip 363/361

chip 363/361, we need forcedly to disable the async method. Bug detail: https://bugzilla.kernel.org/show_bug.cgi?id=81551 Reported-by: Jay mymailcl...@t-online.de Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/ata/ahci.c | 11 +++ drivers/ata/pata_jmicron.c

[PATCH 1/3] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Implementing one new API wake_up_if_idle(), which is used to wake up the idle CPU. Suggested-by: Andy Lutomirski Signed-off-by: Chuansheng Liu --- include/linux/sched.h |1 + kernel/sched/core.c | 16 2 files changed, 17 insertions(+) diff --git a/include/linux

[PATCH 2/3] smp: Adding new function wake_up_all_cpus()

wake_up_all_cpus() to let all cpus out of idle based on function wake_up_if_idle(). Signed-off-by: Chuansheng Liu --- include/linux/smp.h |2 ++ kernel/smp.c| 22 ++ 2 files changed, 24 insertions(+) diff --git a/include/linux/smp.h b/include/linux/smp.h index 34347f2

[PATCH 3/3] cpuidle: Using the wake_up_all_cpus() to wake up all idle cpus

Currently kick_all_cpus_sync() or smp_call_function() can not break the polling idle cpu immediately. Here using wake_up_all_cpus() which can wake up the polling idle cpu quickly is much helpful for power. Signed-off-by: Chuansheng Liu --- drivers/cpuidle/cpuidle.c |9 ++--- 1 file

[PATCH 3/3] cpuidle: Using the wake_up_all_cpus() to wake up all idle cpus

Currently kick_all_cpus_sync() or smp_call_function() can not break the polling idle cpu immediately. Here using wake_up_all_cpus() which can wake up the polling idle cpu quickly is much helpful for power. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/cpuidle/cpuidle.c

[PATCH 2/3] smp: Adding new function wake_up_all_cpus()

wake_up_all_cpus() to let all cpus out of idle based on function wake_up_if_idle(). Signed-off-by: Chuansheng Liu chuansheng@intel.com --- include/linux/smp.h |2 ++ kernel/smp.c| 22 ++ 2 files changed, 24 insertions(+) diff --git a/include/linux/smp.h b/include/linux

[PATCH 1/3] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Implementing one new API wake_up_if_idle(), which is used to wake up the idle CPU. Suggested-by: Andy Lutomirski l...@amacapital.net Signed-off-by: Chuansheng Liu chuansheng@intel.com --- include/linux/sched.h |1 + kernel/sched/core.c | 16 2 files changed, 17

[PATCH 1/3] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Implementing one new API wake_up_if_idle(), which is used to wake up the idle CPU. Suggested-by: Andy Lutomirski Signed-off-by: Chuansheng Liu --- include/linux/sched.h |1 + kernel/sched/core.c | 16 2 files changed, 17 insertions(+) diff --git a/include/linux

[PATCH 2/3] smp: re-implement the kick_all_cpus_sync() with wake_up_if_idle()

Currently using smp_call_function() just woke up the corresponding cpu, but can not break the polling idle loop. Here using the new sched API wake_up_if_idle() to implement it. Signed-off-by: Chuansheng Liu --- kernel/smp.c | 18 +++--- 1 file changed, 11 insertions(+), 7

[PATCH 3/3] cpuidle: Using the kick_all_cpus_sync() to wake up all cpus

Current latency notify callback has the same function with kick_all_cpus_sync(). Here use it directly to remove the redundant code. Signed-off-by: Chuansheng Liu --- drivers/cpuidle/cpuidle.c |7 +-- 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/cpuidle/cpuidle.c

[PATCH 2/3] smp: re-implement the kick_all_cpus_sync() with wake_up_if_idle()

Currently using smp_call_function() just woke up the corresponding cpu, but can not break the polling idle loop. Here using the new sched API wake_up_if_idle() to implement it. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- kernel/smp.c | 18 +++--- 1 file changed, 11

[PATCH 3/3] cpuidle: Using the kick_all_cpus_sync() to wake up all cpus

Current latency notify callback has the same function with kick_all_cpus_sync(). Here use it directly to remove the redundant code. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/cpuidle/cpuidle.c |7 +-- 1 file changed, 1 insertion(+), 6 deletions(-) diff --git

[PATCH 1/3] sched: Add new API wake_up_if_idle() to wake up the idle cpu

Implementing one new API wake_up_if_idle(), which is used to wake up the idle CPU. Suggested-by: Andy Lutomirski l...@amacapital.net Signed-off-by: Chuansheng Liu chuansheng@intel.com --- include/linux/sched.h |1 + kernel/sched/core.c | 16 2 files changed, 17

[PATCH] cpuidle: Fix the CPU stuck at C0 for 2-3s after PM_QOS back to DEFAULT

o harm for them too. With this fix, we saved about 30mV power in our android platform. Signed-off-by: Chuansheng Liu --- drivers/cpuidle/cpuidle.c |8 +++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index ee9df5e..9

[PATCH] cpuidle: Fix the CPU stuck at C0 for 2-3s after PM_QOS back to DEFAULT

no harm for them too. With this fix, we saved about 30mV power in our android platform. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/cpuidle/cpuidle.c |8 +++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle

[PATCH v2] usb: gadget: return the right length in ffs_epfile_io()

ace rightly also. Acked-by: Michal Nazarewicz Reviewed-by: David Cohen Signed-off-by: Chuansheng Liu --- drivers/usb/gadget/f_fs.c | 14 -- 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 42f7a0e..780f877 100

[PATCH v2] usb: gadget: return the right length in ffs_epfile_io()

rightly also. Acked-by: Michal Nazarewicz min...@mina86.com Reviewed-by: David Cohen david.a.co...@linux.intel.com Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/usb/gadget/f_fs.c | 14 -- 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget

[tip:irq/urgent] genirq: Remove racy waitqueue_active check

Commit-ID: c685689fd24d310343ac33942e9a54a974ae9c43 Gitweb: http://git.kernel.org/tip/c685689fd24d310343ac33942e9a54a974ae9c43 Author: Chuansheng Liu AuthorDate: Mon, 24 Feb 2014 11:29:50 +0800 Committer: Thomas Gleixner CommitDate: Thu, 27 Feb 2014 10:54:16 +0100 genirq: Remove racy

[tip:irq/urgent] genirq: Remove racy waitqueue_active check

Commit-ID: c685689fd24d310343ac33942e9a54a974ae9c43 Gitweb: http://git.kernel.org/tip/c685689fd24d310343ac33942e9a54a974ae9c43 Author: Chuansheng Liu chuansheng@intel.com AuthorDate: Mon, 24 Feb 2014 11:29:50 +0800 Committer: Thomas Gleixner t...@linutronix.de CommitDate: Thu, 27 Feb

[PATCH] usb: gadget: return the right length in ffs_epfile_io()

ace rightly also. Signed-off-by: Chuansheng Liu --- drivers/usb/gadget/f_fs.c | 10 ++ 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 2b43343..31ee7af 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_f

[PATCH] usb: gadget: return the right length in ffs_epfile_io()

rightly also. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/usb/gadget/f_fs.c | 10 ++ 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 2b43343..31ee7af 100644 --- a/drivers/usb/gadget/f_fs.c +++ b

[PATCH] genirq: Fix the possible synchronize_irq() wait-forever

() threads_active also. So we need one smp_mb() before waitqueue_active or something like that. Thomas shared one good option that removing waitqueue_active() judgement directly, it will make things to be simple and clear. Cc: Thomas Gleixner Cc: Xiaoming Wang Signed-off-by: Chuansheng Liu

[PATCH] genirq: Fix the possible synchronize_irq() wait-forever

...@intel.com Signed-off-by: Chuansheng Liu chuansheng@intel.com --- kernel/irq/manage.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 481a13c..d3bf660 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -802,8

[tip:irq/core] genirq: Update the a comment typo

Commit-ID: b04c644e670f79417f1728e6be310cfd8e6a921b Gitweb: http://git.kernel.org/tip/b04c644e670f79417f1728e6be310cfd8e6a921b Author: Chuansheng Liu AuthorDate: Mon, 10 Feb 2014 16:13:57 +0800 Committer: Thomas Gleixner CommitDate: Wed, 19 Feb 2014 17:26:34 +0100 genirq: Update

[tip:irq/core] genirq: Update the a comment typo

Commit-ID: b04c644e670f79417f1728e6be310cfd8e6a921b Gitweb: http://git.kernel.org/tip/b04c644e670f79417f1728e6be310cfd8e6a921b Author: Chuansheng Liu chuansheng@intel.com AuthorDate: Mon, 10 Feb 2014 16:13:57 +0800 Committer: Thomas Gleixner t...@linutronix.de CommitDate: Wed, 19 Feb

[PATCH v4 5/5] PM / sleep: Asynchronous threads for suspend_late

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_late time significantly. This patch is for suspend_late phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 66 ++- 1

[PATCH v4 3/5] PM / sleep: Asynchronous threads for resume_early

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall resume_early time significantly. This patch is for resume_early phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 55 +-- 1

[PATCH v4 4/5] PM / sleep: Asynchronous threads for suspend_noirq

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_noirq time significantly. This patch is for suspend_noirq phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 68 +++ 1

[PATCH v4 1/5] PM / sleep: Two flags for async suspend_noirq and suspend_late

The patch is a helper adding two new flags for implementing async threads for suspend_noirq and suspend_late. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 24 ++-- include/linux/pm.h| 2 ++ 2 files changed, 24 insertions(+), 2 deletions(-) diff

[PATCH v4 2/5] PM / sleep: Asynchronous threads for resume_noirq

) at least. With the way of asynchronous threads, we just need wait d3_delay time once in parallel for each calling, which saves much time to resume quickly. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 66 +++ 1 file changed, 50 insertions

[PATCH v4 0/5] Enabling the asynchronous threads for other phases

Hello, This patch series are for enabling the asynchronous threads for the phases resume_noirq, resume_early, suspend_noirq and suspend_late. Just like commit 5af84b82701a and 97df8c12995, with async threads it will reduce the system suspending and resuming time significantly. With these

[PATCH v4 0/5] Enabling the asynchronous threads for other phases

Hello, This patch series are for enabling the asynchronous threads for the phases resume_noirq, resume_early, suspend_noirq and suspend_late. Just like commit 5af84b82701a and 97df8c12995, with async threads it will reduce the system suspending and resuming time significantly. With these

[PATCH v4 1/5] PM / sleep: Two flags for async suspend_noirq and suspend_late

The patch is a helper adding two new flags for implementing async threads for suspend_noirq and suspend_late. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 24 ++-- include/linux/pm.h| 2 ++ 2 files changed, 24 insertions

[PATCH v4 2/5] PM / sleep: Asynchronous threads for resume_noirq

) at least. With the way of asynchronous threads, we just need wait d3_delay time once in parallel for each calling, which saves much time to resume quickly. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 66 +++ 1 file

[PATCH v4 4/5] PM / sleep: Asynchronous threads for suspend_noirq

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_noirq time significantly. This patch is for suspend_noirq phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 68

[PATCH v4 3/5] PM / sleep: Asynchronous threads for resume_early

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall resume_early time significantly. This patch is for resume_early phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 55

[PATCH v4 5/5] PM / sleep: Asynchronous threads for suspend_late

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_late time significantly. This patch is for suspend_late phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 66

[PATCH v3 2/5] PM / sleep: Asynchronous threads for resume_noirq

) at least. With the way of asynchronous threads, we just need wait d3_delay time once in parallel for each calling, which saves much time to resume quickly. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 66 +++ 1 file changed, 50 insertions

[PATCH v3 5/5] PM / sleep: Asynchronous threads for suspend_late

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_late time significantly. This patch is for suspend_late phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 66 ++- 1

[PATCH v3 3/5] PM / sleep: Asynchronous threads for resume_early

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall resume_early time significantly. This patch is for resume_early phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 55 +-- 1

[PATCH v3 1/5] PM / sleep: Two flags for async suspend_noirq and suspend_late

The patch is a helper adding two new flags for implementing async threads for suspend_noirq and suspend_late. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 24 ++-- include/linux/pm.h| 2 ++ 2 files changed, 24 insertions(+), 2 deletions(-) diff

[PATCH v3 4/5] PM / sleep: Asynchronous threads for suspend_noirq

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_noirq time significantly. This patch is for suspend_noirq phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 68 +++ 1

[PATCH v3 0/5] Enabling the asynchronous threads for other phases

Hello, This patch series are for enabling the asynchronous threads for the phases resume_noirq, resume_early, suspend_noirq and suspend_late. Just like commit 5af84b82701a and 97df8c12995, with async threads it will reduce the system suspending and resuming time significantly. With these

[PATCH v2 5/5] PM / sleep: Asynchronous threads for suspend_late

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_late time significantly. This patch is for suspend_late phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 64 ++- 1

[PATCH v2 4/5] PM / sleep: Asynchronous threads for suspend_noirq

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_noirq time significantly. This patch is for suspend_noirq phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 68 +++ 1

[PATCH v2 3/5] PM / sleep: Asynchronous threads for resume_early

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall resume_early time significantly. This patch is for resume_early phase. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 55 +-- 1

[PATCH v2 2/5] PM / sleep: Asynchronous threads for resume_noirq

) at least. With the way of asynchronous threads, we just need wait d3_delay time once in parallel for each calling, which saves much time to resume quickly. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 66 +++ 1 file changed, 50 insertions

[PATCH v2 1/5] PM / sleep: Two flags for async suspend_noirq and suspend_late

The patch is a helper adding two new flags for implementing async threads for suspend_noirq and suspend_late. Signed-off-by: Chuansheng Liu --- drivers/base/power/main.c | 24 ++-- include/linux/pm.h| 2 ++ 2 files changed, 24 insertions(+), 2 deletions(-) diff

[PATCH v2 0/5] Enabling the asynchronous threads for other phases

Hello, This patch series are for enabling the asynchronous threads for the phases resume_noirq, resume_early, suspend_noirq and suspend_late. Just like commit 5af84b82701a and 97df8c12995, with async threads it will reduce the system suspending and resuming time significantly. With these

[PATCH v2 0/5] Enabling the asynchronous threads for other phases

Hello, This patch series are for enabling the asynchronous threads for the phases resume_noirq, resume_early, suspend_noirq and suspend_late. Just like commit 5af84b82701a and 97df8c12995, with async threads it will reduce the system suspending and resuming time significantly. With these

[PATCH v2 1/5] PM / sleep: Two flags for async suspend_noirq and suspend_late

The patch is a helper adding two new flags for implementing async threads for suspend_noirq and suspend_late. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 24 ++-- include/linux/pm.h| 2 ++ 2 files changed, 24 insertions

[PATCH v2 4/5] PM / sleep: Asynchronous threads for suspend_noirq

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_noirq time significantly. This patch is for suspend_noirq phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 68

[PATCH v2 3/5] PM / sleep: Asynchronous threads for resume_early

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall resume_early time significantly. This patch is for resume_early phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 55

[PATCH v2 2/5] PM / sleep: Asynchronous threads for resume_noirq

) at least. With the way of asynchronous threads, we just need wait d3_delay time once in parallel for each calling, which saves much time to resume quickly. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 66 +++ 1 file

[PATCH v2 5/5] PM / sleep: Asynchronous threads for suspend_late

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_late time significantly. This patch is for suspend_late phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 64

[PATCH v3 0/5] Enabling the asynchronous threads for other phases

Hello, This patch series are for enabling the asynchronous threads for the phases resume_noirq, resume_early, suspend_noirq and suspend_late. Just like commit 5af84b82701a and 97df8c12995, with async threads it will reduce the system suspending and resuming time significantly. With these

[PATCH v3 4/5] PM / sleep: Asynchronous threads for suspend_noirq

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_noirq time significantly. This patch is for suspend_noirq phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 68

[PATCH v3 1/5] PM / sleep: Two flags for async suspend_noirq and suspend_late

The patch is a helper adding two new flags for implementing async threads for suspend_noirq and suspend_late. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 24 ++-- include/linux/pm.h| 2 ++ 2 files changed, 24 insertions

[PATCH v3 2/5] PM / sleep: Asynchronous threads for resume_noirq

) at least. With the way of asynchronous threads, we just need wait d3_delay time once in parallel for each calling, which saves much time to resume quickly. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 66 +++ 1 file

[PATCH v3 5/5] PM / sleep: Asynchronous threads for suspend_late

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall suspend_late time significantly. This patch is for suspend_late phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 66

[PATCH v3 3/5] PM / sleep: Asynchronous threads for resume_early

In analogy with commits 5af84b82701a and 97df8c12995, using asynchronous threads can improve the overall resume_early time significantly. This patch is for resume_early phase. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- drivers/base/power/main.c | 55

[PATCH 1/2] genirq: Fix the possible synchronize_irq() wait-forever

ver. Here put the increasing thread-active before setting bit RUNTHREAD, which can resolve such race. Signed-off-by: xiaoming wang Signed-off-by: Chuansheng Liu --- kernel/irq/handle.c | 21 - 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/kernel/irq/handle.

[PATCH 2/2] genirq: Fix one typo chasnge

Change the comment "chasnge" to "change". Signed-off-by: Chuansheng Liu --- kernel/irq/manage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 481a13c..4802295 100644 --- a/kernel/irq/manage.c +++ b

[PATCH 2/2] genirq: Fix one typo chasnge

Change the comment chasnge to change. Signed-off-by: Chuansheng Liu chuansheng@intel.com --- kernel/irq/manage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 481a13c..4802295 100644 --- a/kernel/irq/manage.c +++ b/kernel

[PATCH 1/2] genirq: Fix the possible synchronize_irq() wait-forever

. Here put the increasing thread-active before setting bit RUNTHREAD, which can resolve such race. Signed-off-by: xiaoming wang xiaoming.w...@intel.com Signed-off-by: Chuansheng Liu chuansheng@intel.com --- kernel/irq/handle.c | 21 - 1 file changed, 20 insertions(+), 1

[PATCH V2] PM: Enable asynchronous threads for suspend/resume_noirq/late/early phases

Current code has implemented asynchronous threads for dpm_suspend() and dpm_resume(), which saved much time. As commit 5af84b82701a and 97df8c12995 said, the total time can be reduced significantly by running suspend and resume callbacks of device drivers in parallel with each other. For the

[PATCH V2] PM: Enable asynchronous threads for suspend/resume_noirq/late/early phases

Current code has implemented asynchronous threads for dpm_suspend() and dpm_resume(), which saved much time. As commit 5af84b82701a and 97df8c12995 said, the total time can be reduced significantly by running suspend and resume callbacks of device drivers in parallel with each other. For the

[PATCH] PM: Enable asynchronous noirq resume threads to save the resuming time

Currently, the dpm_resume_noirq() is done synchronously, and for PCI devices pci_pm_resume_noirq(): pci_pm_resume_noirq() pci_pm_default_resume_early() pci_power_up() pci_raw_set_power_state() Which set the device from D3hot to D0 mostly, for every device, there will be one

[PATCH] PM: Enable asynchronous noirq resume threads to save the resuming time

Currently, the dpm_resume_noirq() is done synchronously, and for PCI devices pci_pm_resume_noirq(): pci_pm_resume_noirq() pci_pm_default_resume_early() pci_power_up() pci_raw_set_power_state() Which set the device from D3hot to D0 mostly, for every device, there will be one

[PATCH 3/3] dm snapshot: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()

In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to call destroy_work_on_stack() which frees the debug object to pair with INIT_WORK_ONSTACK(). Signed-off-by: Liu, Chuansheng --- drivers/md/dm-snap-persistent.c |1 + 1 file changed, 1 insertion(+) diff --git

[PATCH 1/3] workqueue: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()

In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to call destroy_work_on_stack() which frees the debug object to pair with INIT_WORK_ONSTACK(). Signed-off-by: Liu, Chuansheng --- kernel/workqueue.c |2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/workqueue.c

[PATCH 2/3] xfs: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()

In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to call destroy_work_on_stack() which frees the debug object to pair with INIT_WORK_ONSTACK(). Signed-off-by: Liu, Chuansheng --- fs/xfs/xfs_bmap_util.c |1 + 1 file changed, 1 insertion(+) diff --git a/fs/xfs/xfs_bmap_util.c

[PATCH 2/3] xfs: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()

In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to call destroy_work_on_stack() which frees the debug object to pair with INIT_WORK_ONSTACK(). Signed-off-by: Liu, Chuansheng chuansheng@intel.com --- fs/xfs/xfs_bmap_util.c |1 + 1 file changed, 1 insertion(+) diff --git

[PATCH 1/3] workqueue: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()

In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to call destroy_work_on_stack() which frees the debug object to pair with INIT_WORK_ONSTACK(). Signed-off-by: Liu, Chuansheng chuansheng@intel.com --- kernel/workqueue.c |2 ++ 1 file changed, 2 insertions(+) diff --git

[PATCH 3/3] dm snapshot: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()

In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to call destroy_work_on_stack() which frees the debug object to pair with INIT_WORK_ONSTACK(). Signed-off-by: Liu, Chuansheng chuansheng@intel.com --- drivers/md/dm-snap-persistent.c |1 + 1 file changed, 1 insertion(+) diff

[tip:core/locking] mutexes: Give more informative mutex warning in the !lock->owner case

Commit-ID: 91f30a17024ff0d8345e11228af33ee938b13426 Gitweb: http://git.kernel.org/tip/91f30a17024ff0d8345e11228af33ee938b13426 Author: Chuansheng Liu AuthorDate: Wed, 4 Dec 2013 13:58:13 +0800 Committer: Ingo Molnar CommitDate: Tue, 17 Dec 2013 15:35:10 +0100 mutexes: Give more

[tip:core/locking] mutexes: Give more informative mutex warning in the !lock-owner case

Commit-ID: 91f30a17024ff0d8345e11228af33ee938b13426 Gitweb: http://git.kernel.org/tip/91f30a17024ff0d8345e11228af33ee938b13426 Author: Chuansheng Liu chuansheng@intel.com AuthorDate: Wed, 4 Dec 2013 13:58:13 +0800 Committer: Ingo Molnar mi...@kernel.org CommitDate: Tue, 17 Dec 2013

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