On Thu, Feb 16, 2012 at 9:48 AM, Catalin Marinas
wrote:
> The DMA API implementation on ARM takes care of the cache cleaning and
> invalidating.
>
I believe that this is the reason why we have cache re-invalidation
(we invalidated
it in dma_map_*() earlier) in dma_unmap_*() calls for ARMv6+ for
D
Hi Guys,
Sorry for starting the long old thread again, but i have to start it as i
was a bit confused. :(
We know that we can't have multiple mappings with different attributes
to the same physical memory on ARMv6+ machines due to speculative
prefetch.
So, we have following kind of mappings in k
On Thu, Feb 16, 2012 at 9:15 AM, Catalin Marinas
wrote:
> To summarise, if you mix Normal with Device or SO memory, you only get
> the guarantees of the Normal memory (e.g. early write acknowledgement,
> write buffer gathering, speculative accesses), so it's not recommended.
> If you mix Normal Ca
On Feb 20, 2012 11:27 PM, "Russell King - ARM Linux"
wrote:
>
> I hope it's now clear why we need to run over the buffer twice.
Thanks Russell.
Got it now.
--
Viresh
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On Feb 20, 2012 4:31 PM, "Catalin Marinas" wrote:
>
> On 16 February 2012 18:14, viresh kumar wrote:
> > On Thu, Feb 16, 2012 at 9:48 AM, Catalin Marinas
> > wrote:
> >> The DMA API implementation on ARM takes care of the cache cleaning and
> >> in
On 4/12/2012 6:32 AM, Mike Turquette wrote:
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> index 3ed36d3..4daacf5 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -194,7 +194,7 @@ static int __init clk_debug_init(void)
> late_initcall(clk_debug_init);
> #else
> static inli
Cc: Arnd Bergman
> Cc: Olof Johansson
> Cc: Russell King
> Cc: Sascha Hauer
> Cc: Richard Zhao
> Cc: Saravana Kannan
> Cc: Mark Brown
> Cc: Andrew Lunn
> Cc: Rajendra Nayak
> Cc: Viresh Kumar
> ---
> drivers/clk/clk-divider.c|2 +-
> drivers/clk/clk
On 4/12/2012 6:32 AM, Mike Turquette wrote:
> - * If clk has the CLK_SET_RATE_GATE flag set and it is enabled this call
> - * will fail; only when the clk is disabled will it be able to change
> - * its rate.
Why is CLK_SET_RATE_GATE removed? I already sent a patch to fix clk_set_rate()
for this.
Cc: Sascha Hauer
> Cc: Richard Zhao
> Cc: Saravana Kannan
> Cc: Mark Brown
> Cc: Andrew Lunn
> Cc: Rajendra Nayak
> Cc: Viresh Kumar
> ---
> include/linux/clk-private.h |8
> include/linux/clk-provider.h |4
> 2 files changed, 4 insertions
Turquette
> Cc: Arnd Bergman
> Cc: Olof Johansson
> Cc: Russell King
> Cc: Sascha Hauer
> Cc: Shawn Guo
> Cc: Richard Zhao
> Cc: Saravana Kannan
> Cc: Mark Brown
> Cc: Andrew Lunn
> Cc: Rajendra Nayak
> Cc: Viresh Kumar
> ---
> drivers/clk/clk.c | 14
hansson
> Cc: Russell King
> Cc: Sascha Hauer
> Cc: Richard Zhao
> Cc: Saravana Kannan
> Cc: Mark Brown
> Cc: Andrew Lunn
> Cc: Rajendra Nayak
> Cc: Viresh Kumar
> ---
> drivers/clk/clk-mux.c |2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
scha Hauer
> Cc: Richard Zhao
> Cc: Saravana Kannan
> Cc: Mark Brown
> Cc: Andrew Lunn
> Cc: Rajendra Nayak
> Cc: Viresh Kumar
> ---
> drivers/clk/clk-divider.c|3 ---
> drivers/clk/clk-fixed-rate.c |1 -
> drivers/clk/clk-gate.c |3 ---
>
clk whose rate is being returned
> *
> * Simply returns the cached rate of the clk. Does not query the hardware.
> If
> - * clk is NULL then returns -EINVAL.
> + * clk is NULL then returns 0.
> */
> unsigned long clk_get_rate(struct clk *clk)
> {
Reviewed-by: Viresh Kumar
--
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req_power function
ARM: topology: factorize the update of sibling masks
ARM: topology: Update cpu_power according to DT information
sched: cpu_power: enable ARCH_POWER
Viresh Kumar (3):
configs: Add config fragments for big LITTLE MP
linaro/configs: Update big LITTLE
On 11 July 2012 14:32, Jon Medhurst (Tixy) wrote:
> On Wed, 2012-07-11 at 10:57 +0100, Viresh Kumar wrote:
> There's going to be an 'interesting' merge with our TC2 enablement
> branch.
>
> In arch/arm/kernel/topology.c both branches factor out
> update_siblings
Hi,
Sorry if I am missing something very obvious, I am building OMAP for the
first time.
I fetched latest kernel from:
http://git.linaro.org/gitweb?p=kernel/linux-linaro-tracking.git;a=shortlog;h=refs/heads/linux-linaro
tried to do following:
make ARCH=arm O=../panda omap2plus_defconfig (After
On 12 July 2012 16:19, Andrey Konovalov wrote:
> make ARCH=arm O=../panda omap2plus_defconfig (After this, OMAP 2/3/4
>> none is selected in .config)
>> make ARCH=arm O=../panda uImage
>>
>>LD init/built-in.o
>> arch/arm/mach-vexpress/built-**in.o: In function `v2m_dt_timer_init':
>> /ro
On 12 July 2012 16:59, Scott Bambrough wrote:
> Try the omap4plus_defconfig.
>
There is no such defconfig, only following are present:
omap1_defconfig
omap2plus_defconfig
--
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information
sched: cpu_power: enable ARCH_POWER
Viresh Kumar (1):
Merge branches 'arm-asymmetric-support-v3', 'cpuidle-next-v4',
'per-cpu-thread-hotplug-v3', 'task-placement-v1' and 'config-fragments'
into big-LITTLE-MP-v3
arch/arm/Kconfi
e of sibling masks
ARM: topology: Update cpu_power according to DT information
sched: cpu_power: enable ARCH_POWER
Viresh Kumar (3):
configs: Add config fragments for big LITTLE MP
linaro/configs: Update big LITTLE MP fragment for task placement work
Merge branches 'a
On 25 July 2012 18:14, Paul E. McKenney wrote:
> You are missing some fixes, please see below. I can also email you the
> updated patches, if that would be easier than pulling them from -rcu.
Hi Andrey,
So sorry, but you need to pull v4 again as there were few updated patches
from paul. :(
Ca
niband: ehca: Use hotplug thread infrastructure
Vincent Guittot (1):
sched: cpu_power: enable ARCH_POWER
Viresh Kumar (3):
configs: Add config fragments for big LITTLE MP
linaro/configs: Update big LITTLE MP fragment for task placement work
Merge branches 'arm-asymmetric-s
On 15 August 2012 16:04, Paul E. McKenney wrote:
> Hello!
>
> Silas posted a series of four patches that fix bugs where the online
> CPUs are iterated over without proper protection against CPUs coming
> online and going offline:
>
> 0/4: https://lkml.org/lkml/2012/8/3/416
> 1/4: h
On 15 August 2012 00:16, Andrey Konovalov wrote:
> Great!
> big-LITTLE-MP-v5 (together with the updated multiplatform topic) has been
> merged into linux-linaro-core-tracking tree. The tag is llct-20120814.0.
Hi Andrey,
There are few patches that are required to be part of this pull and
one is
On 17 August 2012 10:20, Viresh Kumar wrote:
> There are few patches that are required to be part of this pull and
> one is required to be dropped. I have created big-LITTLE-MP-v6
> branch over v-3.6-rc2, but can't send a pull request as rc2 is still
> not there in your tree. Pl
niband: ehca: Use hotplug thread infrastructure
Vincent Guittot (1):
sched: cpu_power: enable ARCH_POWER
Viresh Kumar (3):
configs: Add config fragments for big LITTLE MP
linaro/configs: Update big LITTLE MP fragment for task placement work
Merge branches 'per-cpu-thread-hot
Hi,
Compilation for omap2plus_defconfig is broken on current: linux-linaro
branch. [1]
Following is the compilation error:
/home/arm/work/kernel/linaro/linux-linaro-bitLITTLE-MP.git/arch/arm/kernel/sleep.S:
Assembler messages:
/home/arm/work/kernel/linaro/linux-linaro-bitLITTLE-MP.git/arch/arm/k
On 24 August 2012 12:32, Jon Medhurst (Tixy) wrote:
> Is this critical for this month's release? The release candidate builds
> are possibly already in testing so we would have to request that they
> are stopped and redone?
>
Not sure, what is fixed in this version? Maybe Morten can tell if anyt
On 24 August 2012 13:38, Jon Medhurst (Tixy) wrote:
> That looks like its caused by patch from the ARM LT...
>
> "ARM: kernel: fix MPIDR cpu_{suspend}/{resume} usage"
>
> I'll work on a fix. (I believe this was in last month's release branch
> as well so I assume it's not critical for this mont
Hi Andy,
I got following error in compilation of TILT-3.4 at
http://git.linaro.org/gitweb?p=landing-teams/working/ti/kernel.git;a=shortlog;h=refs/heads/tilt-3.4
Using /home/arm/work/kernel/linaro/linux-linaro-bitLITTLE-MP.git as
source for kernel
CHK include/generated/utsrelease.h
make[2
On 24 August 2012 14:49, Amit Kucheria wrote:
> While our goal is to keep track of the bleeding edge, and I think
> you're doing a great job there, let's figure out a plan to minimise
> the number of kernel releases we make.
>
> Can you look at your previous 6 releases and their dates and figure
On 24 August 2012 16:39, Jon Medhurst (Tixy) wrote:
> Sounds OK from my point of view, except that rather than fixed dates
> each month the should probably be tied to the release dates. E.g. the
> Monday of the week before release (the normal WG cut-of date), and two
> weeks before (or after?) th
On 24 August 2012 14:34, Viresh Kumar wrote:
> Hi Andy,
>
> I got following error in compilation of TILT-3.4 at
>
>
> http://git.linaro.org/gitweb?p=landing-teams/working/ti/kernel.git;a=shortlog;h=refs/heads/tilt-3.4
>
> Using /home/arm/work/kernel/linaro/linux-li
On 24 August 2012 16:39, Jon Medhurst (Tixy) wrote:
> Sounds OK from my point of view, except that rather than fixed dates
> each month the should probably be tied to the release dates. E.g. the
> Monday of the week before release (the normal WG cut-of date), and two
> weeks before (or after?) tha
On 28 August 2012 10:37, Viresh Kumar wrote:
> I have updated
>
> https://wiki.linaro.org/WorkingGroups/PowerManagement/Process/bigLittleMPTree
>
> as per our last discussion. Please see if i have missed something.
Hi Guys,
I will be sending PULL request of big-LITTLE-MP-
ty
smpboot: Provide infrastructure for percpu hotplug threads
softirq: Use hotplug thread infrastructure
watchdog: Use hotplug thread infrastructure
infiniband: ehca: Use hotplug thread infrastructure
Vincent Guittot (1):
sched: cpu_power: enable ARCH_POWER
Viresh Kuma
Hi Andy,
I am using Panda board with linaro Nano filesystem over SDHC card. When i
issue "reboot" command from prompt, it hangs:
root@linaro-nano:/# reboot
Broadcast message from root@linaro-nano
(/dev/ttyO2) at 4:44 ...
The system is going down for reboot NOW!
root@linaro-nano:/# [ 6
Hi Guys,
I have struggled today for some time to soft-reset panda board because
the switch S1 (PWRON_RESET) resets the board, but doesn't
start booting it again from xloader. Prompt simply hangs !!
My kernel was crashing after uncompressing linux... print. I didn't
had a debugger
to see value of
On 4 September 2012 10:25, Viresh Kumar wrote:
> Hi Andy,
>
> I am using Panda board with linaro Nano filesystem over SDHC card. When i
> issue "reboot" command from prompt, it hangs:
>
>
> root@linaro-nano:/# reboot
>
> Broadcast message from root@linar
Currently these events exit timestamp itself is considered as
> usage period resulting in over 100% usage.
> - clearing event timestamps from global map at the end of each
> measurement to avoid collision with earlier recorded timestamps.
Tried it few times on Panda Board.
On 5 September 2012 19:16, Morten Rasmussen wrote:
> The patch is already in the original patch set, so I'm not sure why it
> is missing.
>
> http://linux-arm.org/git?p=arm-bls.git;a=commit;h=1416200dd62551aa9ac4aa207b0c66651ccbff2c
>
> It needs to be there for the HMP scheduling to work.
Surpris
Tixy,
Can you please answer below queries? I am not sure about them.
--
viresh
On 6 September 2012 20:04, Lei Wen wrote:
> Hi Viresh,
>
> On Thu, Sep 6, 2012 at 12:29 AM, Viresh Kumar
> wrote:
>>
>> On 5 September 2012 19:16, Morten Rasmussen
>> wrote:
&g
Hi,
I am trying to boot kernel on panda board. I got the source from:
http://git.linaro.org/gitweb?p=kernel/linux-linaro-tracking.git;a=shortlog;h=refs/heads/linux-linaro
Following is my branch HEAD:
commit 7f39bb7ab9591c6254e5930a00d762e4b37f08b2
Merge: 1d10459 8b29cd5
Author: Andrey Konovalov
Hi Guys,
I have flashed my SD card with linaro-media-create with precise-devel
and latest h/w pack (12.08)
Now i have two requirements:
- Always use my copy of devel instead of the new devel everytime from
the latest release
As i do install a lot of stuff on it. Will apt-get update would be
eno
On 9 September 2012 14:11, Amit Kucheria wrote:
> I believe Viresh has tried mainline as well. But some DT bits might be
> missing from there. Without DT, things start working and that is the
> route we'll take if we're unable to get help with LEB u-boot
> command-line parameters and 3.6 kernels o
On 10 September 2012 20:25, Ricardo Salveti wrote:
> That's interesting. Which rev from upstream did you use?
>
> I know Andrey is updating linux-linaro this week, which should be on
> top of 3.6-rc5.
Earlier i tried rc2 or 3.. Yesterday i tried rc5.. kernel boots with
all of them.
--
viresh
__
On 14 September 2012 14:56, Sudeep KarkadaNagesha
wrote:
> Please pull the following changes for the multiple CPU PMU support
> (re-based to v3.6-rc5). Few patches in the list below are already
> queued up for 3.7.
>
> Since you have access to internal repository, I am posting patches on
> the sam
On 14 September 2012 14:56, Sudeep KarkadaNagesha
wrote:
> Please pull the following changes for the multiple CPU PMU support
> (re-based to v3.6-rc5). Few patches in the list below are already
> queued up for 3.7.
>
> Since you have access to internal repository, I am posting patches on
> the sam
ure for percpu hotplug threads
softirq: Use hotplug thread infrastructure
watchdog: Use hotplug thread infrastructure
infiniband: ehca: Use hotplug thread infrastructure
Vincent Guittot (2):
sched: cpu_power: enable ARCH_POWER
sched: Fix nohz_idle_balance()
Viresh
flush_delayed_work() and flush_delayed_work_sync() had major portion of code
similar. This patch introduces another routine __flush_delayed_work() which
contains the common part to avoid code duplication.
Signed-off-by: Viresh Kumar
---
kernel/workqueue.c | 15 +--
1 file changed, 9
erred CPU details
from the scheduler, instead of using current CPU.
Signed-off-by: Viresh Kumar
---
arch/arm/Kconfig | 11 +++
kernel/workqueue.c | 25 ++---
2 files changed, 29 insertions(+), 7 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 59
_work(). These works
are tracked within the module and results are printed at the end.
This gave similar results, with n ranging from 10 to 1000.
Viresh Kumar (3):
sched: Create sched_select_cpu() to give preferred CPU for power
saving
workqueue: create __flush_delayed_work to avoid du
o go through. If you want to
go through all NUMA levels, pass -1 here. This should cover all NUMA levels.
This patch reuses the code from get_nohz_timer_target() routine, which had
similar implementation. get_nohz_timer_target() is also modified to use
sched_select_cpu() now.
Signed-off-by: Vi
On 25 September 2012 16:06, Viresh Kumar wrote:
> Test case 2:
> ---
> I have created a small module, which does following:
> - Create one work for each CPU (using queue_work_on(), so must schedule on
> that
> cpu)
> - Above work, will queue "n" wor
On 25 September 2012 16:52, Peter Zijlstra wrote:
> On Tue, 2012-09-25 at 16:06 +0530, Viresh Kumar wrote:
>> @@ -1066,8 +1076,9 @@ int queue_work(struct workqueue_struct *wq,
>> struct work_struct *work)
>> {
>> int ret;
>>
>> -
On 25 September 2012 23:17, Tejun Heo wrote:
> On Tue, Sep 25, 2012 at 04:06:07PM +0530, Viresh Kumar wrote:
>> flush_delayed_work() and flush_delayed_work_sync() had major portion of code
>> similar. This patch introduces another routine __flush_delayed_work() which
>> con
On 25 September 2012 23:26, Tejun Heo wrote:
> On Tue, Sep 25, 2012 at 04:06:08PM +0530, Viresh Kumar wrote:
>> +config MIGRATE_WQ
>> + bool "(EXPERIMENTAL) Migrate Workqueues to non-idle cpu"
>> + depends on SMP && EXPERIMENTAL
>> + help
balancing only, SD_LOAD_BALANCE must also be set for selected domain.
This patch reuses the code from get_nohz_timer_target() routine, which had
similar implementation. get_nohz_timer_target() is also modified to use
sched_select_cpu() now.
Signed-off-by: Viresh Kumar
---
include/linux/sch
ls to idle_cpu() from timer and hrtimer.
Signed-off-by: Viresh Kumar
---
kernel/hrtimer.c | 2 +-
kernel/timer.c | 9 +
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 6db7a5e..74bdaf6 100644
--- a/kernel/hrtimer.c
+++ b/k
.
- Patch 2/3 from V1, removed as it doesn't apply to latest workqueue branch from
tejun.
- CONFIG_MIGRATE_WQ removed and so is wq_select_cpu()
- sched_select_cpu() called only from __queue_work()
- got tejun/for-3.7 branch in my tree, before making workqueue changes.
Viresh Kumar (3):
sche
mer and is IDLE now.
- CPU gets into interrupt handler due to timer and queues a work. As the CPU is
currently IDLE, we can queue this work to some other CPU.
Signed-off-by: Viresh Kumar
---
kernel/workqueue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/workqueue.
On 27 September 2012 14:34, Viresh Kumar wrote:
> #if defined(CONFIG_NO_HZ) && defined(CONFIG_SMP)
> - if (!pinned && get_sysctl_timer_migration() && idle_cpu(cpu))
> + if (!pinned && get_sysctl_timer_migration())
>
On 27 September 2012 14:34, Viresh Kumar wrote:
> Workqueues queues work on current cpu, if the caller haven't passed a
> preferred
> cpu. This may wake up an idle CPU, which is actually not required.
>
> This work can be processed by any CPU and so we must select a non-idle
e timer is
currently running. This patch tries to avoid it in such cases.
Signed-off-by: Viresh Kumar
---
kernel/timer.c | 26 +-
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/kernel/timer.c b/kernel/timer.c
index 8c5e7b9..6e5bf98 100644
--- a/kernel/timer.c
++
ing it successfully.
Waiting for initial comments on it.
Signed-off-by: Viresh Kumar
---
include/linux/timer.h | 1 +
kernel/timer.c| 58 +--
2 files changed, 34 insertions(+), 25 deletions(-)
diff --git a/include/linux/timer.h b/include/li
On 30 September 2012 14:24, Tejun Heo wrote:
> On Thu, Sep 27, 2012 at 02:34:05PM +0530, Viresh Kumar wrote:
>> - A cpu has programmed a timer and is IDLE now.
>> - CPU gets into interrupt handler due to timer and queues a work. As the CPU
>> is
>> currently IDLE
On 1 October 2012 06:02, Tejun Heo wrote:
> It isn't about the CPU being actually idle?
No. Being idle only from scheduler's perspective. :)
> Also, if it's only about timers, shouldn't it be enough to implement
> it for timer and delayed_work?
What if we need a timer, which must re-arm itself
On 3 October 2012 11:04, Chander Kashyap wrote:
>> CCing Minkyu
> mk7.k...@samsung.com is also Minkyu's ID.
>>
Tip: Always place a blank line before/after your comments, when replying mails.
That makes it much more readable to others.
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Hi Pawel,
Is there a way to skip the motherboard BIOS too? I know there is a way
to autoboot from
bootmon, which is well described here:
https://wiki.linaro.org/PawelMoll/BootingVEMadeEasy
But, i am looking for something, which can even run the "reboot"
command on BIOS.
--
viresh
_
On 28 September 2012 23:14, Viresh Kumar wrote:
> I haven't tested it much till now. I am sending this patch just to check if
> the
> initial idea looks fine to you guys or not.
Tested with:
- ARM Vexpress TC2 - big.LITTLE CPU
- Core 0-1: A15, 2-4: A7
- rootfs: linaro-ubuntu-nano
d infrastructure
Tushar Behera (1):
linaro/configs: ubuntu: Disable support for generic OHCI platform driver
Vincent Guittot (2):
sched: cpu_power: enable ARCH_POWER
sched: Fix nohz_idle_balance()
Viresh Kumar (4):
configs: Add config fragments for big LITTLE MP
linar
On 22 September 2012 00:02, wrote:
Hi Morten,
I would try to review your patches in coming days. For now, Just
reporting a problem
which i encountered during routine build.
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 490f1f0..8f0f3b9 100644
> --- a/kernel/sched/fair.c
> ++
Hi Morten,
On 22 September 2012 00:02, wrote:
> From: Morten Rasmussen
>
> This patch introduces the basic SCHED_HMP infrastructure. Each class of
> cpus is represented by a hmp_domain and tasks will only be moved between
> these domains when their load profiles suggest it is beneficial.
>
> SC
Minor comments here :)
On 22 September 2012 00:02, wrote:
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index d80de46..490f1f0 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -3744,7 +3744,6 @@ int can_migrate_task(struct task_struct *p, struct
> lb_env *env)
>
On 22 September 2012 00:02, wrote:
> +config SCHED_HMP_PRIO_FILTER
> + bool "(EXPERIMENTAL) Filter HMP migrations by task priority"
> + depends on SCHED_HMP
Should it depend on EXPERIMENTAL?
> + help
> + Enables task priority based HMP migration filter. Any task with
On 22 September 2012 00:02, wrote:
> From: Morten Rasmussen
>
> We can't rely on Kconfig options to set the fast and slow CPU lists for
> HMP scheduling if we want a single kernel binary to support multiple
> devices with different CPU topology. E.g. TC2 (ARM's Test-Chip-2
> big.LITTLE system),
On 22 September 2012 00:02, wrote:
> diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
> +void __init arch_get_hmp_domains(struct list_head *hmp_domains_list)
> +{
> + struct cpumask hmp_fast_cpu_mask;
> + struct cpumask hmp_slow_cpu_mask;
can be merged to single
On 4 October 2012 14:48, Bernard Ogden wrote:
> Pawel's on holiday this week. I'm no expert in this area, but I ran your
> question past one of our platform guys. Does the following help?
Thanks for helping :)
> A "reboot" causes the motherboard micro to reset and do all its stuff like
> repro
On 4 October 2012 16:18, Bernard Ogden wrote:
> Does the Red button work when the core is just running Boot Monitor?
No... It has no effect during that time.
--
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On 4 October 2012 17:18, Jon Medhurst (Tixy) wrote:
> Just tried it, and that's how my TC2 behaves as well. Whereas on A9 it
> does reset the CoreTile CPU and the bootmonitor runs again.
Good to know, i am not alone. :)
> I should also note that even when booting from the motherboard
> bootloade
On 4 October 2012 21:26, Ryan Harkin wrote:
> I'm not understanding this email thread at all... perhaps because I've
> read it from the top ;-)
>
> I thought from the first email that Viresh was trying to get the board
> to boot up completely from when he applies power to the board in
> that
On 4 October 2012 19:16, Bernard Ogden wrote:
> Please check the config.txt file on the motherboard micro SDCard and make
> sure the following entry is set:
>
> ASSERTNPOR: TRUE ;External resets assert nPOR
It was false earlier. Changed it to TRUE, still unable to reboot after
pr
Hi Guys,
I have been working on this activity since some time and V2 of patches is up for
review over kernel mailing list. If any of us is interested in using
these patches,
can pick them from:
http://git.linaro.org/gitweb?p=arm/big.LITTLE/mp.git;a=shortlog;h=refs/heads/sched-timer-wq-migration-v
d-off-by: Viresh Kumar
---
Hi Sudeep,
I was going through cpufreq framework and took vexpress_bL_cpufreq.c as an
reference. While going through its code, i realized it can be optimized. So this
patch.
This is compiled tested only as i didn't had TC2 with me today. Can you please
see if it
Hi All,
Sorry for asking one of the most basic question of cpufreq :(
I couldn't get the difference between affected (policy->cpus) and
related cpus (policy->related_cpus) in cpufreq...
As per Documentation/code:
affected_cpus(policy->cpus):
- List of CPUs that require software coordination of
On 8 October 2012 13:48, Viresh Kumar wrote:
> This patch tries to optimize vexpress_cpufreq_of_init() routine of vexpress_bl
> cpufreq driver.
>
> Following are the optimizations:
> - No need to allocate freq table array and copy it into struct
> cpufreq_frequency_table. Thi
show_bios_limit is mistakenly written as show_scaling_driver in a comment
describing purpose of show_bios_limit() routine.
Fix it.
Signed-off-by: Viresh Kumar
---
drivers/cpufreq/cpufreq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers
we do:
$ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver
This patch renames driver-name to fix this issue.
Signed-off-by: Viresh Kumar
---
drivers/cpufreq/vexpress_bL_cpufreq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/cpufreq/vexpress_bL_cpufreq.c
On 9 October 2012 16:24, Pawel Moll wrote:
> On Tue, 2012-10-09 at 11:42 +0100, Sudeep KarkadaNagesha wrote:
>> Robin raised a valid point that this driver is TC2 specific and bL is
>> not appropriate name for it including the file name(my bad choice at first).
>
> Just to be painfully precise ;-)
On 9 October 2012 21:02, Jon Medhurst (Tixy) wrote:
> Considering the confusion over what the correct naming should be, I
> don't think it's worth me apply the renaming patch at the moment ;-)
This thread went into another direction, than the one it was intended for :)
Looks correct, would be be
On 9 October 2012 21:26, Morten Rasmussen wrote:
> On Thu, Oct 04, 2012 at 07:02:03AM +0100, Viresh Kumar wrote:
>> On 22 September 2012 00:02, wrote:
>> > SCHED_HMP requires that the platform implements arch_get_hmp_domains()
>> > which should set up the platform s
On 9 October 2012 22:30, Jon Medhurst (Tixy) wrote:
> Perhaps I misunderstood the bug, I though it was just a name getting
> truncated and was otherwise harmless. If it's causing real problems then
> I'll apply the original suggested patch and not worry about other
> cosmetic renaming issues.
No
On 9 October 2012 23:16, Sudeep KarkadaNagesha
wrote:
> Hi Viresh,
>
> Please pull the following changes(v2) for the multiple CPU PMU support
> (re-based to v3.6).
Thanks.. Will be included in this release.
--
viresh
___
linaro-dev mailing list
linaro
On 9 October 2012 23:16, Sudeep KarkadaNagesha
wrote:
> Please pull the following changes(v2) for the multiple CPU PMU support
> (re-based to v3.6).
http://git.linaro.org/gitweb?p=arm/big.LITTLE/mp.git;a=shortlog;h=refs/heads/arm-multi_pmu_v2
___
linar
loper#
Fix this by increasing print length by one character.
Signed-off-by: Viresh Kumar
---
drivers/cpufreq/cpufreq.c | 6 +++---
include/linux/cpufreq.h | 2 ++
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 02197
On 10 October 2012 15:47, Morten Rasmussen wrote:
> On Thu, Oct 04, 2012 at 07:49:32AM +0100, Viresh Kumar wrote:
>> > This patch is reuse of a patch by Jon Medhurst with a
>> > few bits left out.
>>
>> Then probably he must be the author of this commit? Also a
On 10 October 2012 17:31, Sudeep KarkadaNagesha
wrote:
> On 08/10/12 14:58, viresh kumar wrote:
>> affected_cpus(policy->cpus):
>> - List of CPUs that require software coordination of frequency.
>> - Processors part of affected_cpus share policy struct
>> - Policy l
On 10 October 2012 19:14, Sudeep KarkadaNagesha
wrote:
> Here is my understanding on this patch. This change is closely related
> to ACPI cpufreq driver(used mostly on Intel cores). This change was
> introduced to keep track of the related cpus as returned by ACPI
> firmware along with affected cp
On 12 October 2012 14:00, Dietmar Eggemann wrote:
> This patch introduces os save and restore mechanism for v7.1 debug and
> self-hosted debuggers.
> It enables the os to save DBGDSCR before powerdown and restore it when power
> is restored.
>
> The clearing of the os lock in the restore function
es
ARM: perf: set cpu affinity to support multiple PMUs
ARM: perf: set cpu affinity for the irqs correctly
ARM: perf: remove spaces in CPU PMU names
ARM: perf: save/restore pmu registers in pm notifier
Viresh Kumar (1):
Merge branches 'per-cpu-thread-hotplug-v
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