On Fri, Jan 17, 2014 at 8:46 AM, Marek Szyprowski
m.szyprow...@samsung.com wrote:
GFP_ATOMIC is not a single gfp flag, but a macro which expands to the other
flags and LACK of __GFP_WAIT flag. To check if caller wanted to perform an
atomic allocation, the code must test __GFP_WAIT flag
Hi Kyle,
On Thu, Jan 16, 2014 at 11:48:17PM +, Kyle McMartin wrote:
I received a bug report about the ruby test-suite failing on AArch64 when
attempting to pass MAX_ARG_STRLEN sized args to execv[1]. It was
expecting an E2BIG returned, but instead was receiving ENOMEM, and
concatenating
On 01/02/2014 01:07 PM, Arnd Bergmann wrote:
interruptible_sleep_on is racy and going away. In the arv driver that
race has probably never caused problems since it would require a whole
video frame to be captured before the read function has a chance to
go to sleep, but using
Charles (or someone else from Wolfson), you commented on previous
versions of this - are you still OK with it?
Looks good to me.
Privacy Confidentiality Notice
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This message and any attachments contain privileged and confidential
information
Hi Miklos,
A few comments below, including one piece in the code that really must be fixed.
On 01/16/2014 11:54 PM, Miklos Szeredi wrote:
On Wed, Jan 15, 2014 at 7:23 PM, J. Bruce Fields bfie...@fieldses.org
wrote:
Do you have a man page update somewhere for the two new flags?
Here's the
Hi Fengguang,
On Fri, Jan 17, 2014 at 6:20 PM, Fengguang Wu fengguang...@intel.com wrote:
Ming Lei,
We noticed that commit 74e72f894 (lib/percpu_counter.c: fix
__percpu_counter_add()) introduces -47.6% regression in aim7 brk_test
on a 2S SNB server. Comparing to its parent commit:
The
This patchset introduces support for LZ4 compression
(along with LZO) and adds functionality to list and change
compression algorithms, using new `compressor' device attribute.
Sergey Senozhatsky (3):
zram: delete zram_init_device() function
zram: introduce zram compressor operations struct
This is preparation patch to add LZ4 compression support.
struct zram_compress_ops defines common compress and decompress
prototypes. Use these ops-compress and ops-decompress callbacks
instead of direct LZO lzo1x_1_compress() and lzo1x_decompress_safe()
calls.
Compressor ops should be defined
Add compressor device attr that allows to list and select
compression algorithms.
Define and make available for selection LZ4 compressor ops.
usage example:
List available compression algorithms (currently selected
one is LZO):
cat /sys/block/zram0/compressor
lzo lz4
Change compression
allocate new `zram_meta' in disksize_store() only for uninitialised
zram device, saving a number of allocations and deallocations in case
if disksize_store() was called on currently used device. at the same
time zram_meta stack variable is not necessary, because we can set
-meta directly. there is
On Thu, Jan 16, 2014 at 04:19:11PM -0800, David Cohen wrote:
- * Copyright (c) 2008, 2009, 2013, Intel Corporation.
+ * Copyright (c) 20014 Intel Corporation.
Heh, it should probably be 2014 :)
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drivers/staging/comedi/drivers/das6402.c: In function 'intr_handler':
drivers/staging/comedi/drivers/das6402.c:164:3: error: implicit declaration of
function 'outw_p' [-Werror=implicit-function-declaration]
drivers/staging/speakup/speakup_dtlk.c: In function 'synth_probe':
There is an error in a comment introduced by:
commit fa070ee6dc70bcc19737a2406d741b089b3149d5
libahci: fix turning on LEDs in ahci_start_port()
Correct it.
Signed-off-by: Lukasz Dorau lukasz.do...@intel.com
---
drivers/ata/libahci.c |4 ++--
1 file changed, 2 insertions(+),
Sorry for the late reply.
On Fri, Jan 10, 2014 at 8:35 PM, Tomasz Figa t.f...@samsung.com wrote:
Hi Yuvaraj,
In general this version looks pretty good, but I have some questions inline.
Please find my comments inline.
On 10.01.2014 08:00, Yuvaraj Kumar C D wrote:
[snip]
diff --git
Hi
This patch is in a much better state than before! I have a bunch of
comments below, mostly nitpicks and coding-style issues. If you fix
the coding style and minor issues below, I think we can merge it.
Thanks
David
On Thu, Jan 16, 2014 at 10:52 PM, David Barksdale
dbarksd...@uplogix.com
Rusty, would you pick up this patch?
This message was added in 3.13-rc1. Thus, should be fixed in 3.13.
Tetsuo Handa wrote:
From cc90e27d5cda227e7a0cbeb5de3cc1cbb1595dfa Mon Sep 17 00:00:00 2001
From: Tetsuo Handa penguin-ker...@i-love.sakura.ne.jp
Date: Mon, 23 Dec 2013 15:52:42 +0900
On Fri, Jan 17, 2014 at 12:43:20PM +0100, Lukasz Dorau wrote:
There is an error in a comment introduced by:
commit fa070ee6dc70bcc19737a2406d741b089b3149d5
libahci: fix turning on LEDs in ahci_start_port()
Correct it.
Signed-off-by: Lukasz Dorau lukasz.do...@intel.com
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On Fri, Jan 17, 2014 at 09:40:02AM +, Jianguo Wu wrote:
Now disabling kmemleak is an irreversible operation, but sometimes
we may need to re-enable kmemleak at runtime. So add a knob to enable
kmemleak at runtime:
echo on /sys/kernel/debug/kmemleak
It is irreversible for very good
On 17/01/14 02:03, Hanjun Guo wrote:
Move idle_boot_override out of the arch directory to be a single enum
including both platforms values, this will make it rather easier to
avoid ifdefs around which definitions are for which processor in
generally used ACPI code.
IDLE_FORCE_MWAIT for IA64
Hi Arnd,
On Wed, Jan 15, 2014 at 10:40:56AM +0100, Arnd Bergmann wrote:
On Wednesday 15 January 2014 10:10:06 Maxime Ripard wrote:
On Thu, Jan 09, 2014 at 04:34:04PM +0100, Gerardo Di Iorio wrote:
Change the AllWinner A1X SOCs to Allwinner Sunxi SOCs
Signed-off-by: Gerardo Di Iorio
Hi Josh,
On Thu, Jan 16, 2014 at 12:15:28PM -0600, Josh Cartwright wrote:
On Thu, Jan 16, 2014 at 06:11:23PM +0100, Maxime Ripard wrote:
The module clocks in the A31 are still compatible with the A10 one. Add the
SPI
module clocks and the PLL6 in the device tree to allow their use by the
On Friday, January 17, 2014 1:00 PM Tejun Heo t...@kernel.org wrote:
On Fri, Jan 17, 2014 at 12:43:20PM +0100, Lukasz Dorau wrote:
There is an error in a comment introduced by:
commit fa070ee6dc70bcc19737a2406d741b089b3149d5
libahci: fix turning on LEDs in ahci_start_port()
Hi!
Add hci_h4p bluetooth driver to bluetooth-next. This device is used
for example on Nokia N900 cell phone.
Signed-off-by: Pali Rohár pali.ro...@gmail.com
Signed-off-by: Pavel Machek pa...@ucw.cz
Thanks-to: Sebastian Reichel s...@debian.org
Thanks-to: Joe Perches j...@perches.com
James, would you pick up this patch?
Tetsuo Handa wrote:
James, please apply.
Kevin, does cause OOM mean something like the OOM killer or kmalloc()
failure
is triggerred by frequent prctl() requests by userspace applications?
If yes, we should backport to stable as this affects any 2.6.29
Hi!
On Fri, Jan 17, 2014 at 02:04:26PM +0530, sohny thomas wrote:
Any updates on my reply, Any more info is required.
Can this be pulled into the kernel tree?
Your patch was posted to the wrong mailing list. Please repost to
net...@vger.kernel.org so
On Wed, Jan 15, 2014 at 10:17:49AM -0500, J. Bruce Fields wrote:
From: J. Bruce Fields bfie...@redhat.com
d_splice_alias can create duplicate directory aliases (in the !new
case), or (in the new case) d_move without holding appropriate locks.
d_materialise_unique deals with both of these
W dniu 16.01.2014 17:29, Eric Dumazet pisze:
On Thu, 2014-01-16 at 16:21 +0100, Andrzej Pietrasiewicz wrote:
W dniu 10.12.2013 15:25, Eric Dumazet pisze:
On Tue, 2013-12-10 at 07:55 +0100, Andrzej Pietrasiewicz wrote:
W dniu 09.12.2013 16:31, Eric Dumazet pisze:
On Mon, 2013-12-09 at 12:47
On Sun, 12 Jan, at 11:05:46AM, Matt Fleming wrote:
On Sun, 12 Jan, at 01:30:23AM, Rafael J. Wysocki wrote:
On Saturday, December 21, 2013 12:21:48 PM Matt Fleming wrote:
On Fri, 20 Dec, at 11:18:56PM, Rafael J. Wysocki wrote:
I'm not sure 100%, but I *think* we need to do that with
On Tue, Jan 14, 2014 at 08:34:10PM +0100, Daniel Matuschek wrote:
WM8804 can run with PLL frequencies of 256xfs and 128xfs for
most sample rates. At 192kHz only 128xfs is supported. The
existing driver selects 128xfs automatically for some lower
This patch doesn't apply against current code.
ping ;-)
thanks,
jirka
On Tue, Jan 07, 2014 at 01:47:17PM +0100, Jiri Olsa wrote:
hi,
adding libdw DWARF unwind support, which is part of just released
elfutils package 0.158.
We can now compile perf to have either libunwind DWARF unwind,
(which is still default) or the new one libdw
This patch set trys to make ACPI core running on ARM64.
1. Why ACPI is needed ?
ACPI provides standard interfaces for power managment, themal
control, device enumeration and configuration and etc. So ACPI
can make OS and hardware decoupling and make people upgrade
software or hardware more
Not all the ARM64 targets that are using ACPI have PCI, so introduce
some stub functions to make PCI optional for ACPI, and make ACPI core
run without CONFIG_PCI on ARM64.
pcibios_penalize_isa_irq() is arch dependent, introduce asm/pci.h to
include it.
Since ACPI on X86 and IA64 depends on PCI,
Hi Jiri,
Let me start on it next week. Is that OK?
Thx for the reminder, I had not entirely forgotten it though ;p
Regards,
Jean
On 17 January 2014 13:24, Jiri Olsa jo...@redhat.com wrote:
ping ;-)
thanks,
jirka
On Tue, Jan 07, 2014 at 01:47:17PM +0100, Jiri Olsa wrote:
hi,
adding
ACPI requires a cpu.h, add a dummy one copied from arm. This will need
updated or replaced as ACPI based cpu hotplug or cpu topology for armv8
is worked out.
Signed-off-by: Graeme Gregory graeme.greg...@linaro.org
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
arch/arm64/include/asm/cpu.h |
Changes wrt. v1:
addressed the comments from Jingoo Han and Mark Rutland
- added another patch to convert the driver to use devm_* functions
- removed sysfs reference from bindings documentation
- changed '_' to '-' in property name
- added 'edt,' prefix to properties names
- added sanity check
Simplify the error path and remove() function by using devm_*
functions for requesting gpios and irq and allocating memory.
Signed-off-by: Lothar Waßmann l...@karo-electronics.de
---
drivers/input/touchscreen/edt-ft5x06.c | 66 +++-
1 files changed, 23
The _PDC (Processor Driver Capabilities) object provides OSPM a
mechanism to convey to the platform the capabilities supported
by OSPM for processor power management.
OSPM evaluates _PDC prior to evaluating any other processor
power management objects returning configuration information.
This
The FT5x06 datasheet specifies a minimum reset width of 5ms and a
delay between deassertion of reset and start of reporting of 300ms.
Adjust the delays to conform to the datasheet.
With the original delays I sometimes experienced communication
timeouts when initializing the controller.
Signed-off-by: Lothar Waßmann l...@karo-electronics.de
---
.../bindings/input/touchscreen/edt-ft5x06.txt | 29 +
drivers/input/touchscreen/edt-ft5x06.c | 121 +---
2 files changed, 132 insertions(+), 18 deletions(-)
create mode 100644
Signed-off-by: Lothar Waßmann l...@karo-electronics.de
---
.../devicetree/bindings/vendor-prefixes.txt|1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
b/Documentation/devicetree/bindings/vendor-prefixes.txt
Introduce arm_core.c and its related head file, after this patch,
we can get ACPI tables from firmware on ARM64 now.
Signed-off-by: Al Stone al.st...@linaro.org
Signed-off-by: Graeme Gregory graeme.greg...@linaro.org
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
Lowlevel suspend function is needed for ACPI based suspend/resume,
introduce ARM related lowlevel function in this patch.
Signed-off-by: Graeme Gregory graeme.greg...@linaro.org
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
arch/arm64/include/asm/acpi.h |4
On Fri, Jan 17, 2014 at 01:27:53PM +0100, Jean Pihet wrote:
Hi Jiri,
Let me start on it next week. Is that OK?
great ;-) thanks
jirka
Thx for the reminder, I had not entirely forgotten it though ;p
Regards,
Jean
On 17 January 2014 13:24, Jiri Olsa jo...@redhat.com wrote:
ping
Introduce some PCI functions to make ACPI can be compiled when
CONFIG_PCI is enabled, these functions should be revisited when
implemented on ARM64.
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
arch/arm64/Makefile |1 +
arch/arm64/pci/Makefile |1 +
Add Kconfigs to build ACPI on ARM64, and make ACPI runable on ARM64.
acpi_idle driver is x86/IA64 dependent now, so make CONFIG_ACPI_PROCESSOR
depends on X86 || IA64, and implement it on ARM/ARM64 in the furture.
In order to make arm-core.c can both run on ARM and ARM64, introduce
Could you try this?
powerpc/hugetlb: replace __get_cpu_var with get_cpu_var
Replace __get_cpu_var safely with get_cpu_var to avoid
the following call trace:
Confirmed, no more acktraces.
Nikita
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ACPI reduced hardware mode is disabled by default, but ARM64 can
only run properly in ACPI hardware reduced mode at now, so select
ACPI_REDUCED_HARDWARE_ONLY if ACPI is enabled on ARM64.
Signed-off-by: Al Stone al.st...@linaro.org
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
Implement core functions for parsing MADT table to get the information
about GIC cpu interface and GIC distributor to prepare for SMP and GIC
initialization.
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
arch/arm64/include/asm/acpi.h |3 +
drivers/acpi/plat/arm-core.c | 139
When boot the kernel with MADT, the cpu possible and present sets should
be enumerated for later smp initialization.
The logic cpu id maps to APIC id (GIC id) is also implemented, it is
needed for acpi processor drivers.
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
ACPI has no flag to indicate different enable methods for SMP
initialization, but it indicates that spin-table is supported
at now because of the Parked Protocol shows that there is
parked address in GIC structure.
In order to boot the system with ACPI if DT is not available,
we set the default
Parked Address in GIC structure can be used as cpu release address
for spin table SMP initialisation.
This patch gets parked address from MADT and use it for SMP
initialisation when DT is not available.
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
arch/arm64/include/asm/acpi.h |
W dniu 17.01.2014 13:18, Andrzej Pietrasiewicz pisze:
W dniu 16.01.2014 17:29, Eric Dumazet pisze:
On Thu, 2014-01-16 at 16:21 +0100, Andrzej Pietrasiewicz wrote:
W dniu 10.12.2013 15:25, Eric Dumazet pisze:
On Tue, 2013-12-10 at 07:55 +0100, Andrzej Pietrasiewicz wrote:
W dniu 09.12.2013
Needed because arm uses GIC which is defined in ACPI 5.0 spec.
Signed-off-by: Al Stone al.st...@linaro.org
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
drivers/acpi/bus.c |3 +++
drivers/acpi/plat/arm-core.c |6 +-
include/linux/acpi.h |1 +
3 files
Only one GIC is supported in ACPI 5.0, even cascade GIC is not supported.
So if we set the GIC as the default domain then we can access it for IRQ
mapping within the ACPI code.
Signed-off-by: Graeme Gregory graeme.greg...@linaro.org
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
This API is similar to DT based irq_of_parse_and_map but does link
parent/child IRQ controllers. This is tested for primary GIC PPI and GIC SPI
interrupts and not for secondary child irq controllers.
Signed-off-by: Amit Daniel Kachhap amit.dan...@samsung.com
Signed-off-by: Hanjun Guo
In MADT table, there are GIC cpu interface base address and
GIC distributor base address, use them to convert GIC to ACPI.
Only GICC and GICD are described in ACPI 5.0, and only one GIC
is supported at now.
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
arch/arm64/kernel/irq.c |6
From: Amit Daniel Kachhap amit.dan...@samsung.com
This macro does the same job as CLOCKSOURCE_OF_DECLARE. The device
name from the ACPI timer table is matched with all the registered
timer controllers and matching initialisation routine is invoked.
Signed-off-by: Amit Daniel Kachhap
ACPI GTDT (Generic Timer Description Table) contains information for
arch timer initialization, this patch use this table to probe arm timer.
GTDT table is used for ARM/ARM64 only, please refer to chapter 5.2.24
of ACPI 5.0 spec for detailed inforamtion
Signed-off-by: Amit Daniel Kachhap
acpi_table_parse() will find table with table id and run handler
on it. So we use CLOCKSOURCE_ACPI_DECLARE to decalare timer tables
and glue its handler, then initialize them in clocksource_acpi_init().
Signed-off-by: Hanjun Guo hanjun@linaro.org
Signed-off-by: Amit Daniel Kachhap
Hi Dave,
I retested the will-it-scale/read2 case with perf profile enabled, and
here are the new comparison results. It shows that there are increased
overheads in shmem_getpage_gfp(). If you'd like to collect more data,
feel free to tell me.
9a0bb2966efbf30 0f6934bf1695682e7ced973f6
Use clocksource_acpi_init() on ARM64 to initialise timers
in ACPI way when DT is not available.
Signed-off-by: Hanjun Guo hanjun@linaro.org
---
arch/arm64/kernel/time.c |6 ++
1 file changed, 6 insertions(+)
diff --git a/arch/arm64/kernel/time.c b/arch/arm64/kernel/time.c
index
On Fri, Jan 17, 2014 at 1:11 AM, Trond Myklebust
trond.mykleb...@primarydata.com wrote:
On Jan 16, 2014, at 10:49, Peng Tao bergw...@gmail.com wrote:
On Tue, Jan 14, 2014 at 2:45 AM, Trond Myklebust
trond.mykleb...@primarydata.com wrote:
void pnfs_set_lo_fail(struct pnfs_layout_segment *lseg)
[ Just adding Andrew to the cc list ]
On Fri, 17 Jan 2014 18:24:28 +0800 Fengguang Wu fengguang...@intel.com wrote:
Hi Davidlohr,
We noticed LTP test failures
ltp.msgget02.1.TFAIL
ltp.semget02.2.TFAIL
ltp.semget02.3.TFAIL
and the first bad commit is
commit
On 2014-01-16 18:27, Chase Southwood wrote:
This patch for ni_mio_common.c changes out a while loop for a timeout,
which is preferred.
Signed-off-by: Chase Southwood chase.southw...@yahoo.com
---
Okay, back to v2, basically. I fixed the checkpatch warning from v2,
and added the error checking
On Thursday, January 16, 2014 05:01:19 PM Rafael J. Wysocki wrote:
On Thursday, January 16, 2014 10:29:45 AM Linus Walleij wrote:
On Thu, Jan 16, 2014 at 2:49 AM, Linus Torvalds
torva...@linux-foundation.org wrote:
Adding in the appropriate people...
On Tue, Jan 14, 2014 at 7:01 PM,
The stmmac driver core allows passing feature flags and callbacks via
platform data. Add a similar stmmac_of_data to pass flags and callbacks
tied to compatible strings. This allows us to extend stmmac with glue
layers for different SoCs.
Signed-off-by: Chen-Yu Tsai w...@csie.org
---
Hi,
This is v3 of the Allwinner A20 GMAC glue layer for stmmac.
I have split the series into stmmac driver changes for net-next,
and clock and DT patches for their respective trees.
The Allwinner A20 SoC integrates an early version of dwmac
IP from Synopsys. On top of that is a hardware glue
The DWMAC has a reset assert line, which is used on some SoCs. Add an
optional reset control to stmmac driver core.
To support reset control deferred probing, this patch changes the driver
probe function to return the actual error, instead of just -EINVAL.
Signed-off-by: Chen-Yu Tsai
The stmmac driver does not enable the main clock during the probe phase.
If the clock was not enabled by the boot loader or was disabled by the
kernel, hardware features and the MDIO bus would not be probed properly.
Signed-off-by: Chen-Yu Tsai w...@csie.org
---
The Allwinner A20 has an ethernet controller that seems to be
an early version of Synopsys DesignWare MAC 10/100/1000 Universal,
which is supported by the stmmac driver.
Allwinner's GMAC requires setting additional registers in the SoC's
clock control unit.
The exact version of the DWMAC IP that
snps,force_sf_dma_mode is documented in stmmac device tree bindings,
but is never handled by the driver.
Signed-off-by: Chen-Yu Tsai w...@csie.org
---
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 2 ++
1 file changed, 2 insertions(+)
diff --git
The snps,phy-addr device tree property is non-standard, and should be
removed in favor of proper phy node support. Remove it from the binding
documents and warn if the property is still used.
Most PHYs respond to address 0, but a few don't, so auto-detect PHY
address by default, to make up for
stmmac callbacks have been extended for better separation.
Update them to avoid breakage.
Signed-off-by: Chen-Yu Tsai w...@csie.org
---
arch/blackfin/mach-bf609/boards/ezkit.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/blackfin/mach-bf609/boards/ezkit.c
The current .init and .exit callbacks requires access to driver
private data structures. This is not a good seperation and abstraction.
Instead, we add a new .setup callback for allocating private data, and
pass the returned pointer to the other callbacks.
Signed-off-by: Chen-Yu Tsai
On Friday, January 17, 2014 02:38:32 PM Rafael J. Wysocki wrote:
On Thursday, January 16, 2014 05:01:19 PM Rafael J. Wysocki wrote:
On Thursday, January 16, 2014 10:29:45 AM Linus Walleij wrote:
On Thu, Jan 16, 2014 at 2:49 AM, Linus Torvalds
torva...@linux-foundation.org wrote:
On Fri, Jan 17, 2014 at 10:04:02AM +0100, Daniel Lezcano wrote:
The scheduler main function 'schedule()' checks if there are no more tasks
on the runqueue. Then it checks if a task should be pulled in the current
runqueue in idle_balance() assuming it will go to idle otherwise.
But the
Btwilink help did not include module name, add it.
Signed-off-by: Pavel Machek pa...@ucw.cz
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index 11a6104..f5ce64e 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -241,5 +241,6 @@ config BT_WILINK
Hi
My story is very simply...
I applied the following patch:
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -698,8 +698,11 @@ static int isci_pci_probe(struct pci_dev *pdev, const
struct pci_device_id *id)
kbuild, 0day kernel build service, outputs the warning:
arch/x86/kernel/irq.c:333:1: warning: the frame size of 2056 bytes
is larger than 2048 bytes [-Wframe-larger-than=]
because check_irq_vectors_for_cpu_disable() allocates two cpumasks on the
stack. Fix this by using cpumask_var_t, the
On 01/17/2014 02:33 PM, Peter Zijlstra wrote:
On Fri, Jan 17, 2014 at 10:04:02AM +0100, Daniel Lezcano wrote:
The scheduler main function 'schedule()' checks if there are no more tasks
on the runqueue. Then it checks if a task should be pulled in the current
runqueue in idle_balance() assuming
On Wed, Jan 15, 2014 at 08:13:04PM -0500, Alan Ott wrote:
So my questions are:
1. Why don't I see a full backtrace beyond the exception stack? It's the
same when dump_stack() is called manually.
No idea - it looks like you're not using frame pointers, but are using
the unwinder. Full
Hello Everybody,
Below is the log of changes I have queued up for the first ACPI and power
management pull request for 3.14-rc1.
If you have posted something in the last minute in the hope it will make
it to that list, I have to disappoint you: It won't. If that is a fix,
it may be pushed in
On Friday, January 17, 2014 2:37 PM Dorau, Lukasz lukasz.do...@intel.com
wrote:
Hi
My story is very simply...
I applied the following patch:
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -698,8
I am trying to build 3.12.6 for an OMAP3-based board (debug console on
UART 3)
Enabling DEBUG in
arch/arm/boot/compressed/head.S
and with
CONFIG_DEBUG_LL_INCLUDE=debug/omap2plus.S
compiling (well, actually, assembling) gives the following (slightly
reformatted):
Jens,
please consider pulling
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/linux-block.git for-jens
into your for-3.14/drivers branch to receive
Jiri Kosina (1):
floppy: bail out in open() if drive is not responding to block0 read
drivers/block/floppy.c | 36
On Fri, Jan 17, 2014 at 2:37 PM, Dorau, Lukasz lukasz.do...@intel.com wrote:
Hi
My story is very simply...
I applied the following patch:
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -698,8 +698,11 @@
On Friday 17 January 2014, Hanjun Guo wrote:
+++ b/arch/arm64/pci/Makefile
@@ -0,0 +1 @@
+obj-y += pci.o
diff --git a/arch/arm64/pci/pci.c b/arch/arm64/pci/pci.c
new file mode 100644
index 000..4e46790
--- /dev/null
+++ b/arch/arm64/pci/pci.c
@@ -0,0 +1,33 @@
Em Fri, Jan 17, 2014 at 10:00:20AM +0100, Stephane Eranian escreveu:
Hi,
I have been debugging a NULL pointer issue with perf stat unit/scale code
and in the process I ran into what appeared like a double-free issue reported
by glibc. It took me a while to realize that it was because of
Em Fri, Jan 17, 2014 at 10:00:20AM +0100, Stephane Eranian escreveu:
The issue boils down to the fact that evsels have their file descriptors
closed
twice nowadays. Once in __run_per_stat() via perf_evsel__close_fd() and
twice in perf_evlist__close().
Now, calling close() twice is okay.
On Fri, Jan 17, 2014 at 10:04:04AM +0100, Daniel Lezcano wrote:
+ schedstat_inc(rq, sched_goidle);
+#ifdef CONFIG_SMP
+ /* Trigger the post schedule to do an idle_enter for CFS */
+ rq-post_schedule = 1;
+#endif
+ return rq-idle;
Urgh, that retains the stupid idle crap like
On Fri, Jan 17, 2014 at 04:59:13PM +1100, Benjamin Herrenschmidt wrote:
On Thu, 2014-01-16 at 20:52 -0800, Eric W. Biederman wrote:
I think we have largely survied until now because kdump is so popular
and kdump winds up having to reinitialize devices from any random
state.
kdump also
On Friday 17 January 2014, Hanjun Guo wrote:
+/*
+ * Local interrupt controller address,
+ * GIC cpu interface base address on ARM/ARM64
+ */
+static u64 acpi_lapic_addr __initdata;
If it's cpu local, don't you need more than one address to support SMP?
Also, the variable appears to be
On Fri, Jan 17, 2014 at 12:24:58PM +, Hanjun Guo wrote:
Introduce arm_core.c and its related head file, after this patch,
we can get ACPI tables from firmware on ARM64 now.
Signed-off-by: Al Stone al.st...@linaro.org
Signed-off-by: Graeme Gregory graeme.greg...@linaro.org
Signed-off-by:
On Friday 17 January 2014, Hanjun Guo wrote:
From: Amit Daniel Kachhap amit.dan...@samsung.com
This macro does the same job as CLOCKSOURCE_OF_DECLARE. The device
name from the ACPI timer table is matched with all the registered
timer controllers and matching initialisation routine is
On Friday 17 January 2014, Hanjun Guo wrote:
+/* Parked Address in ACPI GIC structure */
+static u64 parked_address[NR_CPUS];
Please use the per_cpu infrastructure rather than NR_CPUS long arrays.
Arnd
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From cb384950a1153e856ec03109a5156e660a89bf6d Mon Sep 17 00:00:00 2001
From: Georg Waibel georg.wai...@sensor-technik.de
Date: Fri, 17 Jan 2014 14:51:38 +0100
Subject: [PATCH 1/1] iMX gpio: Allow reading back of pin status if configured
as gpio output
Register PSR was used to read the pin status
On 17/01/14 12:24, Hanjun Guo wrote:
ACPI requires a cpu.h, add a dummy one copied from arm. This will need
updated or replaced as ACPI based cpu hotplug or cpu topology for armv8
is worked out.
Signed-off-by: Graeme Gregory graeme.greg...@linaro.org
Signed-off-by: Hanjun Guo
On Friday 17 January 2014, Hans Verkuil wrote:
@@ -323,25 +324,32 @@ static ssize_t cadet_read(struct file *file, char
__user *data, size_t count, lo
struct cadet *dev = video_drvdata(file);
unsigned char readbuf[RDS_BUFFER];
int i = 0;
+ DEFINE_WAIT(wait);
On Fri, Jan 17, 2014 at 10:04:04AM +0100, Daniel Lezcano wrote:
@@ -2679,11 +2715,8 @@ need_resched:
pre_schedule(rq, prev);
- if (unlikely(!rq-nr_running))
- rq-idle_stamp = idle_balance(rq) ? 0 : rq_clock(rq);
-
put_prev_task(rq, prev);
- next =
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