From: Wanpeng Li
TSC_OFFSET will be adjusted if discovers TSC backward during vCPU load.
The preemption timer which will leverage guest tsc to reprogram its
preemption timer value is also reprogrammed if vCPU is scheded in to
a different pCPU. However, current implementation reprogram preempti
On 30.08.2016 01:55, Andy Lutomirski wrote:
On Aug 29, 2016 11:30 AM, "Marcin Nowakowski"
wrote:
Syscall metadata makes an assumption that only a single syscall number
corresponds to a given method. This is true for most archs, but
can break tracing otherwise.
For MIPS platforms, depending
From: Wanpeng Li
Commit 61abdbe0bc ("kvm: x86: make lapic hrtimer pinned") pins the emulated
lapic timer. This patch does the same for the emulated nested preemption
timer to avoid vmexit an unrelated vCPU and the latency of kicking IPI to
another vCPU.
Cc: Paolo Bonzini
Cc: Radim Krčmář
Cc
This patch adds a driver that models itself as an stm_source and
registers itself as a trace_export. Once the stm and stm_source
have been linked via sysfs, everything that is passed to the
interface from Ftrace subsystem will endup in the STM trace engine.
Signed-off-by: Chunyan Zhang
---
driv
If CONFIG_STM_FTRACE is selected, Function trace data can be writen
to sink via STM, all functions that related to writing data packets
to STM should be marked 'notrace' to avoid being traced by Ftrace,
otherwise the program would stall into an endless loop.
Signed-off-by: Chunyan Zhang
Acked-by:
Currently Function traces can be only exported to ring buffer, this
patch added trace_export concept which can process traces and export
them to a registered destination as an addition to the current only
output of Ftrace - i.e. ring buffer.
In this way, if we want Function traces to be sent to ot
IP blocks allowing a variety of trace sources to log debugging
information to a pre-defined area have been introduced on a couple of
architecture [1][2]. These system trace blocks (also known as STM)
typically follow the MIPI STPv2 protocol [3] and provide a system wide
logging facility to any devi
On Mon, Aug 29, 2016 at 12:40:32PM -0400, Chris Metcalf wrote:
> On 8/29/2016 12:33 PM, Peter Zijlstra wrote:
> >On Tue, Aug 16, 2016 at 05:19:27PM -0400, Chris Metcalf wrote:
> >>+ /*
> >>+* Request rescheduling unless we are in full dynticks mode.
> >>+* We would eventually get pre-empt
On Mon, Aug 29, 2016 at 12:53:30PM -0400, Chris Metcalf wrote:
> Would it be cleaner to just replace the set_tsk_need_resched() call
> with something like:
>
> set_current_state(TASK_INTERRUPTIBLE);
> schedule();
> __set_current_state(TASK_RUNNING);
>
> or what would you recommend?
Signed-off-by: Andrew Jeffery
Acked-by: Joel Stanley
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index a306795a7450..b9d5a9d4eee6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1027,6 +1027,7 @@ S:Maintained
F: arch/arm/mach-aspeed/
Petr,
one more question. Not related to the patch, but still related to NMI.
can NMI nest?
CPU0
-> NMI#0
printk_nmi_enter()
this_cpu_write(printk_func, vprintk_nmi)
...
=> NMI#1
: printk_nmi_
On Tue, 30 Aug 2016 09:36:34 +0200,
Kai-Heng Feng wrote:
>
> The subwoofer on Inspiron 7559 was disabled originally.
> Applying a pin fixup to node 0x1b can enable it and make it work.
>
> Old pin: 0x41f0
> New pin: 0x90170151
>
> Signed-off-by: Kai-Heng Feng
Applied (with Cc to stable).
Signed-off-by: Andrew Jeffery
---
arch/arm/boot/dts/aspeed-g4.dtsi | 10 ++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
index a5d6e81e318a..7c2b73c4d5ab 100644
--- a/arch/arm/boot/dts/aspeed-g4.dtsi
+++ b/arch/arm/boot
Signed-off-by: Andrew Jeffery
---
arch/arm/mach-aspeed/Kconfig | 4
1 file changed, 4 insertions(+)
diff --git a/arch/arm/mach-aspeed/Kconfig b/arch/arm/mach-aspeed/Kconfig
index 5225fbcb250d..f3f8c5c658db 100644
--- a/arch/arm/mach-aspeed/Kconfig
+++ b/arch/arm/mach-aspeed/Kconfig
@@ -5,6
The pin controller's child nodes expose the functions currently
implemented in the the g4 pin controller driver.
Signed-off-by: Andrew Jeffery
---
arch/arm/boot/dts/aspeed-g4.dtsi | 420 +++
1 file changed, 420 insertions(+)
diff --git a/arch/arm/boot/dts/asp
Signed-off-by: Andrew Jeffery
---
arch/arm/boot/dts/aspeed-g5.dtsi | 10 ++
1 file changed, 10 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index 24d79c88019f..1f6a14a0802d 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot
The pin controller's child nodes expose the functions currently
implemented in the g5 pin controller driver.
Signed-off-by: Andrew Jeffery
---
arch/arm/boot/dts/aspeed-g5.dtsi | 204 +++
1 file changed, 204 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-
The requested functions are parented by the pinctrl node to provide the
Palmetto's static pin configuration.
Signed-off-by: Andrew Jeffery
---
arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts | 14 ++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmet
Signed-off-by: Andrew Jeffery
---
arch/arm/mach-aspeed/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-aspeed/Kconfig b/arch/arm/mach-aspeed/Kconfig
index f3f8c5c658db..5aba9598f821 100644
--- a/arch/arm/mach-aspeed/Kconfig
+++ b/arch/arm/mach-aspeed/Kconfig
@@ -7,6 +7
Signed-off-by: Andrew Jeffery
Acked-by: Joel Stanley
---
.../devicetree/bindings/gpio/gpio-aspeed.txt | 36 ++
1 file changed, 36 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
diff --git a/Documentation/devicetree/bindings/gpi
The Aspeed SoCs typically provide more than 200 pins for GPIO and other
functions. The signal enabled on a pin is determined on a priority
basis, where a given pin can provide a number of different signal types.
In addition to the priority levels, the Aspeed pin controllers describe
the signal act
A subset of the pins and functions are exposed. The selection of
functions and pins is driven by the development of OpenBMC[1] on the
AST2400 SoC, particularly around booting the OpenPOWER Palmetto
development machine.
[1] https://github.com/openbmc/docs
Signed-off-by: Andrew Jeffery
Reviewed-by
From: Joel Stanley
The Aspeed SoCs contain GPIOs banked by letter, where each bank contains
8 pins. The GPIO banks are then grouped in sets of four in the register
layout.
The implementation exposes multiple banks through the one driver and
requests and releases pins via the pinctrl subsystem. T
Hi all,
Here's v3 of the Aspeed pinctrl and gpio driver integration patches. v2 of the
integration series can be found at:
https://lkml.org/lkml/2016/8/19/403
v3 captures changes required to address review comments from v2 of the driver
series:
https://lkml.org/lkml/2016/8/22/343
Since v2:
A small subset of pins and functions are exposed. The selection of pins
and functions is driven by the development of OpenBMC[1] on the
AST2500 SoC, particularly around booting the IBM Witherspoon platform.
[1] https://github.com/openbmc/docs
Signed-off-by: Andrew Jeffery
Reviewed-by: Joel Stanl
Outline expectations on the pin controller's relationship with the
System Control Unit (SCU) IP through syscon, and document the compatible
strings for 4th and 5th generation Aspeed SoC pin controllers.
Signed-off-by: Andrew Jeffery
Acked-by: Rob Herring
Acked-by: Joel Stanley
---
.../devicetr
Signed-off-by: Andrew Jeffery
Acked-by: Rob Herring
Acked-by: Joel Stanley
---
Documentation/devicetree/bindings/mfd/aspeed-scu.txt | 18 ++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/aspeed-scu.txt
diff --git a/Documentation/devi
Hi all,
Here's v3 of the Aspeed pinctrl and gpio driver patches, which aims to address
the review comments on v2:
https://lkml.org/lkml/2016/8/19/394
The combined series has been tested with both the AST2400 (g4) and AST2500 (g5)
SoCs on OpenPOWER Palmetto and Aspeed AST2500 EVB machines respe
The subwoofer on Inspiron 7559 was disabled originally.
Applying a pin fixup to node 0x1b can enable it and make it work.
Old pin: 0x41f0
New pin: 0x90170151
Signed-off-by: Kai-Heng Feng
---
sound/pci/hda/patch_realtek.c | 11 +++
1 file changed, 11 insertions(+)
diff --git a/sound
On 08/28/2016 01:21 PM, Randy Li wrote:
> Enable the WM8960 analog audio codec on TOPEET iTop 4412 Elite board.
>
> Signed-off-by: Randy Li
> ---
> arch/arm/boot/dts/exynos4412-itop-elite.dts | 77
> +
> 1 file changed, 77 insertions(+)
>
> diff --git a/arch/arm/boo
On Mon, Aug 29, 2016 at 12:34:25PM -0700, David Ranch wrote:
> Hello Mikko,
>
> Somewhat related, the ax25.h file from libax25-devel also has conflicts with
> the Glibc's ax.25.h. This creates trouble so if we could get a fix for
> that, that would be appreciated as well though it might be a Glib
On 08/28/2016 01:21 PM, Randy Li wrote:
> The is not used for camera, I enabled it just for a colorspace
> convertor.
>
> Signed-off-by: Randy Li
> ---
> arch/arm/boot/dts/exynos4412-itop-elite.dts | 16
This should be squashed with patch #2.
BTW, please add also vendor prefix
On 08/28/2016 01:21 PM, Randy Li wrote:
> The TOPEET itop exynos 4412 have three versions base board. The
> Elite version is the cheap one without too much peripheral devices
> on it.
>
> Currently supported are serial console, wired networking(USB),
> USB OTG in peripheral mode, USB host, SD stor
On Tue, Aug 30, 2016 at 08:47:24AM +0200, Peter Zijlstra wrote:
> If oncpu is not valid, the sched_out that made it invalid will have
> updated the event count and we're good.
>
> All I'll leave is an explicit comment that we've ignored the
> smp_call_function_single() return value on purpose.
S
On Tue, Aug 30, 2016 at 3:05 PM, Takashi Iwai wrote:
> On Tue, 30 Aug 2016 08:25:18 +0200,
> Kai Heng Feng wrote:
>>
>> On Tue, Aug 30, 2016 at 1:33 PM, Takashi Iwai wrote:
>> > On Tue, 30 Aug 2016 07:27:41 +0200,
>> > Kai-Heng Feng wrote:
>> >>
>> >> The subwoofer on Inspiron 7559 does not work
On Mon, Aug 29, 2016 at 08:57:41AM -0400, Theodore Ts'o wrote:
> It's been on my todo list. The only reason why I haven't done it yet
> is because I knew you were working on a solution, and I didn't want to
> do things one way for buffered I/O, and a different way for Direct
> I/O, and disentangli
On 08/28/2016 01:21 PM, Randy Li wrote:
> The TOPEET itop is a samsung exnynos 4412 core board, which have
> two package versions. This patch add the support for SCP version.
>
> Currently supported are USB3503A HSIC, USB OTG, eMMC, rtc and
> PMIC. The future features are in the based board. Also
Hi Darren,
>> I wanted to use devm_ioremap_resource but could not find DT entry
>> required for this driver in any of the .dts files. So did not change
>> that. I could not find any dts/dtsi for this platform. So I assume
>> that the dtb is not present in the kernel, dtb is supplied by the
>> boot
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On Tue, 30 Aug 2016 08:25:18 +0200,
Kai Heng Feng wrote:
>
> On Tue, Aug 30, 2016 at 1:33 PM, Takashi Iwai wrote:
> > On Tue, 30 Aug 2016 07:27:41 +0200,
> > Kai-Heng Feng wrote:
> >>
> >> The subwoofer on Inspiron 7559 does not work originally.
> >> Applying a pin fixup can make it work.
> >>
>
Hi Elaine,
Am Dienstag, 30. August 2016, 08:59:31 schrieb Elaine Zhang:
> On 08/30/2016 02:18 AM, Brian Norris wrote:
> > On Mon, Aug 29, 2016 at 11:11:24AM -0700, Doug Anderson wrote:
> >> On rk3399 we explicitly set ppll in the device tree to 67600. The
> >> ppll has one major child, pclk_p
On 08/28/2016 01:21 PM, Randy Li wrote:
> The added the audio codec seems work now, but the audio sounds
> still a little different to the original. But I didn't hear the sound
> in the Android, I don't know whether it is qualified.
>
> Also it lacks of full pinctrl for the sleep state.
>
> Chang
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