On Wed, Jan 31, 2018 at 10:22:49AM +0100, Rafael J. Wysocki wrote:
> On Tuesday, January 30, 2018 2:15:31 PM CET Peter Zijlstra wrote:
> > IA32_HWP_REQUEST has "Minimum_Performance", "Maximum_Performance" and
> > "Desired_Performance" fields which can be used to give explicit
> > frequency hints.
From: Laurent Pinchart
The media request API is made of a new ioctl to implement request
management. Document it.
Signed-off-by: Laurent Pinchart
[acour...@chromium.org: adapt for newest API]
Signed-off-by: Alexandre Courbot
---
Documentation/media/uapi/mediactl/media-funcs.rst | 1 +
.../
This is a quickly-put together revision that includes and uses Hans' work to
use v4l2_ctrl_handler as the request state holder for V4L2 devices. Although
minor fixes have also been applied, there are still a few comments from the
previous revision that are left unaddressed. I wanted to give Hans so
From: Hans Verkuil
The next patch needs the reference to a control instead of the
control itself, so change struct v4l2_ctrl_helper accordingly.
Signed-off-by: Hans Verkuil
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/v4l2-ctrls.c | 18 +-
1 file changed, 9 ins
Make vb2 aware of requests. Drivers can specify whether a given queue
can accept requests or not. Queues that accept requests will block on a
buffer that is part of a request until that request is submitted.
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/videobuf2-core.c | 133
From: Hans Verkuil
Add a 'bool from_other_dev' argument: set to true if the two
handlers refer to different devices (e.g. it is true when
inheriting controls from a subdev into a main v4l2 bridge
driver).
This will be used later when implementing support for the
request API since we need to skip
From: Hans Verkuil
Add a helper function that can set controls from a request.
Signed-off-by: Hans Verkuil
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/v4l2-ctrls.c | 71
include/media/v4l2-ctrls.h | 2 +
2 files changed, 73 inse
From: Hans Verkuil
Add a refcount and is_request bool to struct v4l2_ctrl_handler:
this is used to refcount a handler that represents a request.
Add a p_req field to struct v4l2_ctrl_ref that will store the
request value.
Signed-off-by: Hans Verkuil
Signed-off-by: Alexandre Courbot
---
drive
From: Hans Verkuil
Add the four core request functions:
v4l2_ctrl_request_init() initializes a new (empty) request.
v4l2_ctrl_request_clone() resets a request based on another request
(or clears it if that request is NULL).
v4l2_ctrl_request_get(): increase refcount
v4l2_ctrl_request_put(): decr
Set the necessary ops for supporting requests in vim2m.
Signed-off-by: Alexandre Courbot
---
drivers/media/platform/vim2m.c | 55 ++
1 file changed, 55 insertions(+)
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform/vim2m.c
index a32e8a
Document how the request API can be used along with the existing V4L2
interface.
Signed-off-by: Alexandre Courbot
---
Documentation/media/uapi/v4l/buffer.rst| 10 +-
Documentation/media/uapi/v4l/common.rst| 1 +
Documentation/media/uapi/v4l/request-api.rst | 236
Request API requires a media node. Add one to the vim2m driver so we can
use requests with it.
Signed-off-by: Alexandre Courbot
---
drivers/media/platform/vim2m.c | 24
1 file changed, 24 insertions(+)
diff --git a/drivers/media/platform/vim2m.c b/drivers/media/platform
Read and use the request_fd field of struct v4l2_ext_controls to apply
VIDIOC_G_EXT_CTRLS or VIDIOC_S_EXT_CTRLS to a request when asked by
userspace.
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/v4l2-ioctl.c | 36
1 file changed, 36 insertions
On Wed, Jan 31, 2018 at 10:07:06AM +, David Woodhouse wrote:
> On Wed, 2018-01-31 at 11:01 +0100, Peter Zijlstra wrote:
> > On Tue, Jan 30, 2018 at 09:12:21PM -0600, Josh Poimboeuf wrote:
> > >
> > > Or, maybe we should just forget the whole thing and just stick with the
> > > dynamic IBRS che
From: Hans Verkuil
The v4l2_g/s_ext_ctrls functions now support control handlers that
represent requests.
Signed-off-by: Hans Verkuil
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/v4l2-ctrls.c | 37
1 file changed, 33 insertions(+), 4 deleti
Allow to specify a request to be used with the S_EXT_CTRLS and
G_EXT_CTRLS operations.
Signed-off-by: Alexandre Courbot
---
include/uapi/linux/videodev2.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 8
Add a v4l2 request entity data structure that takes care of storing the
request-related state of a V4L2 device ; in this case, its controls.
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/Makefile | 2 +-
drivers/media/v4l2-core/v4l2-request.c | 54 ++
Support the request argument of the QBUF ioctl.
Signed-off-by: Alexandre Courbot
---
drivers/media/v4l2-core/v4l2-ioctl.c | 83 +++-
1 file changed, 82 insertions(+), 1 deletion(-)
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c
b/drivers/media/v4l2-core/v4l2-
The request API provides a way to group buffers and device parameters
into units of work to be queued and executed. This patch introduces the
UAPI and core framework.
This patch is based on the previous work by Laurent Pinchart. The core
has changed considerably, but the UAPI is mostly untouched.
From: Hans Verkuil
When queuing buffers allow for passing the request that should
be associated with this buffer.
Signed-off-by: Hans Verkuil
[acour...@chromium.org: make request ID 32-bit]
Signed-off-by: Alexandre Courbot
---
drivers/media/usb/cpia2/cpia2_v4l.c | 2 +-
drivers/medi
On 30 January 2018 at 14:24, Geert Uytterhoeven wrote:
> If NO_DMA=y:
>
> ERROR: "bad_dma_ops" [drivers/mmc/host/renesas_sdhi_sys_dmac.ko]
> undefined!
> ERROR: "bad_dma_ops" [drivers/mmc/host/renesas_sdhi_internal_dmac.ko]
> undefined!
>
> Add dependencies on HAS_DMA to fix this.
>
> Fi
On 1/27/2018 5:26 AM, Stephen Boyd wrote:
On 01/22, Amit Nischal wrote:
Add support for the global clock controller found on SDM845
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Taniya Das
Is Taniya the author? Should b
Hi Jacopo,
Thank you for the patch.
On Tuesday, 30 January 2018 11:58:18 EET Jacopo Mondi wrote:
> Add support to ov772x driver for frame intervals handling and enumeration.
> Tested with 10MHz and 24MHz input clock at VGA and QVGA resolutions for
> 10, 15 and 30 frame per second rates.
>
> Sign
On Wed, Jan 31, 2018 at 10:52:08AM +0100, Ulf Magnusson wrote:
> On Wed, Jan 31, 2018 at 9:46 AM, Dan Carpenter
> wrote:
> > On Wed, Jan 31, 2018 at 09:41:24AM +0100, Ulf Magnusson wrote:
> >> On Wed, Jan 31, 2018 at 9:06 AM, Dan Carpenter
> >> wrote:
> >> > On Tue, Jan 30, 2018 at 08:05:27PM +
The patch
ASoC: mt8173-rt5650: fix child-node lookup
has been applied to the asoc tree at
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Li
On 30/01/2018 at 06:15:18 -0800, Guenter Roeck wrote:
> On 01/30/2018 03:40 AM, Denis OSTERLAND wrote:
> > Am Dienstag, den 30.01.2018, 11:27 +0100 schrieb Alexandre Belloni:
> > > On 29/01/2018 at 13:59:19 -0800, Guenter Roeck wrote:
> > > >
> > > > On Wed, Jan 24, 2018 at 10:03:33AM +0100, Micha
For upcoming targets like sdm845, POR value of the hardware clock control
bit is set for most of root clocks which needs to be cleared for software
to be able to control. For older targets like MSM8996, this bit is reserved
bit and having POR value as 0 so this patch will work for the older targets
Fabia PLL is a Digital Frequency Locked Loop (DFLL) clock
generator which has a wide range of frequency output. It
supports dynamic updating of the output frequency
("frequency slewing") without need to turn off the PLL
before configuration. Add support for initial configuration
and programming seq
On Tue, 30 Jan 2018 23:20:28 +0200
Andy Shevchenko wrote:
> On Tue, Jan 30, 2018 at 10:12 PM, Andy Shevchenko
> wrote:
> > On Tue, Jan 30, 2018 at 9:27 PM, Steven Presser
> > wrote:
> >> On 01/30/2018 02:05 PM, Andy Shevchenko wrote:
> >>> On Tue, Jan 30, 2018 at 8:34 PM, Steven Presser
>
From: Taniya Das
Add support for the global clock controller found on SDM845
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Taniya Das
Signed-off-by: Amit Nischal
---
.../devicetree/bindings/clock/qcom,gcc.txt |
This patch series does the miscellaneous changes to support
clock nodes for SDM845. Below are the major changes for
which the existing code does not have support.
1. Clear hardware clock control bit of RCGs where HW clock
control bit is set by default so that software can control
those root
For some root clock generators, there could be child branches which are
controlled by an entity other than application processor subsystem. For
such RCGs, as per application processor subsystem clock driver, all of its
downstream clocks are disabled and RCG is in disabled state but in actual
downst
* Thomas Gleixner (t...@linutronix.de) wrote:
> On Wed, 31 Jan 2018, Christophe de Dinechin wrote:
> > > On 30 Jan 2018, at 21:46, Alan Cox wrote:
> > >
> > >> If you are ever going to migrate to Skylake, I think you should just
> > >> always tell the guests that you're running on Skylake. That w
> On 31 Jan 2018, at 11:15, Thomas Gleixner wrote:
>
> On Wed, 31 Jan 2018, Christophe de Dinechin wrote:
>>> On 30 Jan 2018, at 21:46, Alan Cox wrote:
>>>
If you are ever going to migrate to Skylake, I think you should just
always tell the guests that you're running on Skylake. Tha
On Fri, Jan 26, 2018 at 08:20:08PM +0530, Aishwarya Pant wrote:
> Add documentation for sysfs interfaces of lp8788 backlight driver by
> looking through the code and the git commit history.
>
> Signed-off-by: Aishwarya Pant
> ---
> Documentation/ABI/testing/sysfs-class-backlight-lp8788 | 10
Michael S. Tsirkin wrote:
> On Tue, Jan 02, 2018 at 11:50:21PM +0900, Tetsuo Handa wrote:
> > Commit c7cdff0e864713a0 ("virtio_balloon: fix deadlock on OOM") tried to
> > avoid OOM lockup by moving memory allocations to outside of balloon_lock.
> >
> > Now, Wei is trying to allocate far more pages
/linux/commits/Anders-Roxell/arch-arm-Kconfig-enable-ARM_MODULE_PLTS-when-LOCKDEP-y/20180131-115917
config: arm-moxart_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin
On Tue, 2018-01-30 at 11:29 -0800, Stephen Hemminger wrote:
> On Tue, 23 Jan 2018 10:34:04 +0100
> Mohammed Gamal wrote:
>
> > Split each of the functions into two for each of send/recv buffers
> >
> > Signed-off-by: Mohammed Gamal
>
> Splitting these functions is not necessary
How so? We nee
> > I'll do a proper fix and queue it so your museum is kept alive.
Thank you.
> Museum, space heater and ventilation system all in one? :-)
Actually, I do have a computer museum that is open for groups in Tartu,
Estonia, at University of Tartu, Institute of Computer Science. But this
museum d
On Tue, Jan 30, 2018 at 12:57 AM, Russell King - ARM Linux
wrote:
> On Tue, Jan 30, 2018 at 12:49:00AM +0100, Anders Roxell wrote:
>> While testing multi_v7_defconfig with LOCKDEP enabled, the kernel
>> fails to load simple modules, as reported by kselftest:
>>
>> [ 34.107620] test_printf: secti
On Wed, Jan 31, 2018 at 05:50:52PM +0800, Yisheng Xie wrote:
> ion_page_pool.c now is used to apply pool APIs for system heap, which do
> not need do any initial at device_initcall.
>
> Meanwhile, this patch also remove some useless include files.
Please only do one thing per patch, otherwise if
On Fri, Jan 26, 2018 at 08:23:57PM +0530, Aishwarya Pant wrote:
> Add documentation for sysfs interfaces of Texas Instruments lm3639
> backlight + flash led driver chip by looking through git commits and
> reading code.
>
> Signed-off-by: Aishwarya Pant
> ---
> Documentation/ABI/testing/sysfs-cl
Hi Jesper,
On Wed, Jan 31, 2018 at 10:14:27AM +0100, Jesper Dangaard Brouer wrote:
> On Wed, 31 Jan 2018 02:29:59 +0800
> Leo Yan wrote:
>
> > CPU 0
> > State: Duration(ms) Distribution
> > cstate 0 : 47555|* |
> > cstate 1 : 0|
H5,
On 01/30/2018 06:38 PM, Andy Shevchenko wrote:
On Tue, Jan 30, 2018 at 7:25 PM, Steve Presser wrote:
Andy,
Where did the assertion the second device is a magnetometer come from? Just
the data sheet?
Yep. See chapter 8.2. Isn't enough proof? Or you believe in two
accelerometers with off-
On Wed, Jan 31, 2018 at 12:25:33PM +0100, Arnd Bergmann wrote:
> On Tue, Jan 30, 2018 at 12:57 AM, Russell King - ARM Linux
> wrote:
> > On Tue, Jan 30, 2018 at 12:49:00AM +0100, Anders Roxell wrote:
> >> While testing multi_v7_defconfig with LOCKDEP enabled, the kernel
> >> fails to load simple m
On Wed, 31 Jan 2018, Daniel Thompson wrote:
> On Fri, Jan 26, 2018 at 08:20:08PM +0530, Aishwarya Pant wrote:
>> Add documentation for sysfs interfaces of lp8788 backlight driver by
>> looking through the code and the git commit history.
>>
>> Signed-off-by: Aishwarya Pant
>> ---
>> Documentati
On Wed, Jan 31, 2018 at 11:04:07AM +, Dr. David Alan Gilbert wrote:
> That half is the easy bit, we've already got that (thanks to Eduardo),
> QEMU has -IBRS variants of CPU types, so if you start a VM with
> -cpu Broadwell-IBRS
Eww, a CPU model with a specific feature bit. I hope you guys don
On Wed, Jan 31, 2018 at 11:17:10AM +0100, Peter Zijlstra wrote:
> On Wed, Jan 31, 2018 at 10:22:49AM +0100, Rafael J. Wysocki wrote:
> > On Tuesday, January 30, 2018 2:15:31 PM CET Peter Zijlstra wrote:
>
> > > IA32_HWP_REQUEST has "Minimum_Performance", "Maximum_Performance" and
> > > "Desired_Pe
On Tuesday, January 30, 2018 02:14:10 PM Mathieu Malaterre wrote:
> Bartlomiej,
>
> On Wed, Jan 3, 2018 at 3:47 PM, Bartlomiej Zolnierkiewicz
> wrote:
> >
> > On Thursday, December 21, 2017 11:07:56 PM Mathieu Malaterre wrote:
> >> When the linux kernel is build with (typical kernel ship with Deb
* Meelis Roos wrote:
> > > I'll do a proper fix and queue it so your museum is kept alive.
>
> Thank you.
>
> > Museum, space heater and ventilation system all in one? :-)
>
> Actually, I do have a computer museum that is open for groups in Tartu,
> Estonia, at University of Tartu, Institute
Hi
On 30/01/18 22:42, Antony Pavlov wrote:
From: Palmer Dabbelt
As part of the MIPS conversion to use the generic GCC library routines,
Matt Redfearn discovered that I'd missed a notrace on __ucmpdi2(). This
patch rectifies the problem.
CC: Matt Redfearn
CC: Antony Pavlov
Signed-off-by: Pa
Hi,
On 30/01/18 22:42, Antony Pavlov wrote:
The commit b35cd9884fa5 ("lib: Add shared copies of
some GCC library routines") makes it possible
to share generic GCC library routines by several
architectures.
This commit removes several generic GCC library
routines from arch/mips/lib/ in favour of
On 1/30/2018 1:12 AM, Rob Herring wrote:
On Fri, Jan 19, 2018 at 05:13:42PM +0530, Vivek Gautam wrote:
qcom,smmu-v2 is an arm,smmu-v2 implementation with specific
clock and power requirements. This smmu core is used with
multiple masters on msm8996, viz. mdss, video, etc.
Add bindings for the
On Wed, Jan 31, 2018 at 9:08 AM, Dan Carpenter wrote:
> On Tue, Jan 30, 2018 at 11:59:47PM -0800, Eric Biggers wrote:
>> On Fri, Dec 01, 2017 at 04:22:00PM -0800, syzbot wrote:
>> > syzkaller has found reproducer for the following crash on
>> > 3c1c4ddffb58b9e10b3365764fe59546130b3f32
>> > git://g
On Sunday 28 January 2018 17:00:35 Andy Shevchenko wrote:
> On Sun, Jan 28, 2018 at 4:45 PM, Pali Rohár wrote:
> > On Sunday 28 January 2018 16:39:25 Andy Shevchenko wrote:
> >> On Sat, Jan 27, 2018 at 3:32 PM, Pali Rohár wrote:
> >> > +static bool is_dell_system_with_lis3lv02d(void)
> >> > +{
>
Any driver may access shared buffers, created by ion, using dma_buf_vmap and
dma_buf_vunmap dma-buf API that maps/unmaps previosuly allocated buffers into
the kernel virtual address space. The implementation of these API is missing in
the current ion implementation.
Signed-off-by: Alexey Skidanov
Hi,
Il 31/01/2018 09:43, Maxime Ripard ha scritto:
Hi,
On Wed, Jan 31, 2018 at 12:23:59AM +0100, Giulio Benetti wrote:
When mali.ko is inserted, it set default clocks and call all parent
clocks to stay into range, causing pll-video0 to change and
subsequently to change dclk to wrong frequencie
Hi Lorenzo,
> -Original Message-
> From: Lorenzo Pieralisi [mailto:lorenzo.pieral...@arm.com]
> Sent: Tuesday, January 30, 2018 6:00 PM
> To: Shameerali Kolothum Thodi
> Cc: Neil Leeder ; Mark Langsdorf
> ; Jon Masters ; Timur Tabi
> ; linux-kernel@vger.kernel.org; Mark Brown
> ; Mark Sal
/commits/Anders-Roxell/arch-arm-Kconfig-enable-ARM_MODULE_PLTS-when-LOCKDEP-y/20180131-115917
config: arm-moxart_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
Hi Alexandre,
On Fri, Jan 26, 2018 at 03:02:11PM +0900, Alexandre Courbot wrote:
> Make vb2 aware of requests. Drivers can specify whether a given queue
> can accept requests or not. Queues that accept requests will block on a
> buffer that is part of a request until that request is submitted.
>
When a locker ends up queuing on the qspinlock locking slowpath, we
initialise the relevant mcs node and publish it indirectly by updating
the tail portion of the lock word using xchg_tail. If we find that there
was a pre-existing locker in the queue, we subsequently update their
->next field to po
On 19/01/18 11:43, Vivek Gautam wrote:
From: Sricharan R
The smmu needs to be functional only when the respective
master's using it are active. The device_link feature
helps to track such functional dependencies, so that the
iommu gets powered when the master device enables itself
using pm_runt
Hello Ilya,
Quoting Ilya Dryomov :
On Wed, Jan 31, 2018 at 6:29 AM, Gustavo A. R. Silva
wrote:
Cast objsetno to u64 in order to give the compiler complete
information about the proper arithmetic to use. Notice
that this variable is used in a context that expects an
expression of type u64 (64
On Wed, Jan 31, 2018 at 1:43 PM, Hans de Goede wrote:
> On 01/30/2018 06:38 PM, Andy Shevchenko wrote:
>> On Tue, Jan 30, 2018 at 7:25 PM, Steve Presser
>> wrote:
>> Yep. See chapter 8.2. Isn't enough proof? Or you believe in two
>> accelerometers with off-by-one conflicting address on a cheap l
On Wed, Jan 31, 2018 at 2:03 PM, Pali Rohár wrote:
> On Sunday 28 January 2018 17:00:35 Andy Shevchenko wrote:
>> On Sun, Jan 28, 2018 at 4:45 PM, Pali Rohár wrote:
>> > ACPI device name is SMO8800, SMO8810, ... Will that acpi_dev_present
>> > function match only prefix and not exact string?
>>
On Tue, 2018-01-30 at 12:53 -0800, Linus Torvalds wrote:
> Ack. Should I expect this in a future pull request, or take it directly?
>
> There's no hurry about this, since none of the existing users of that
> function actually do anything but test the return value against zero,
> and nobody saves i
* Borislav Petkov (b...@suse.de) wrote:
> On Wed, Jan 31, 2018 at 11:04:07AM +, Dr. David Alan Gilbert wrote:
> > That half is the easy bit, we've already got that (thanks to Eduardo),
> > QEMU has -IBRS variants of CPU types, so if you start a VM with
> > -cpu Broadwell-IBRS
>
> Eww, a CPU mo
On Wed, Jan 31, 2018 at 12:10:47PM +, Shameerali Kolothum Thodi wrote:
[...]
> > I went back and re-read the patches, I think the point here is that the
> > perf driver (ie PATCH 2 that, by the way, is not maiinline) uses
> > devm_ioremap_resource() to map the counters and that's what is caus
On Wed, Jan 31, 2018 at 12:20:46PM +, Will Deacon wrote:
> diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c
> index 294294c71ba4..1ebbc366a31d 100644
> --- a/kernel/locking/qspinlock.c
> +++ b/kernel/locking/qspinlock.c
> @@ -408,16 +408,15 @@ void queued_spin_lock_slowpath(
On Sat, Jan 27, 2018 at 12:11:29PM +0800, Dave Young wrote:
> It is useful to print kdump kernel loaded status in dump_stack()
> especially when panic happens so that we can differenciate
> kdump kernel early hang and a normal panic in a bug report.
>
> Signed-off-by: Dave Young
Reviewed-by: S
Hi Laurent,
thanks for review
Resuming here the brief conversation on #v4l with you and Hans...
On Wed, Jan 31, 2018 at 12:34:59PM +0200, Laurent Pinchart wrote:
> Hi Jacopo,
>
> Thank you for the patch.
>
> On Tuesday, 30 January 2018 11:58:18 EET Jacopo Mondi wrote:
> > Add support to ov772
On Wed, Jan 31, 2018 at 2:14 AM, Erik Mansson wrote:
> Fixed a couple of badly formatted comments.
> + /*
> +* Cache the sleep voltage setting.
> +* Might not be the real voltage which is rounded
> +*/
Isn't a right time to add a period at the end of sentence?
--
Am Dienstag, den 30.01.2018, 21:29 +0100 schrieb Thierry Escande:
> From: Sean Paul
>
> Change the mode for Sharp lq123p1jx31 panel to something more
> rockchip-friendly such that we can use the fixed PLLs to
> generate the pixel clock
This should really switch to a display timing instead of exp
Le 30/01/2018 à 16:11, Colin King a écrit :
From: Colin Ian King
Currently the comparison of used < 0 is always false because
uses is a size_t. Fix this by making used a ssize_t type.
Detected by Coccinelle:
drivers/misc/ocxl/file.c:320:6-10: WARNING: Unsigned expression
compared with zero:
On Tue, Jan 30, 2018 at 8:25 PM, Colin King wrote:
> From: Colin Ian King
>
> Pointer q is initialized and then almost immediately afterwards being
> re-assigned the same value. Remove the second redundant assignment.
>
Don't you see strange that in the same context of the patch two users
of q a
On Wed, Jan 31, 2018 at 02:03:42PM +0200, Alexey Skidanov wrote:
> Any driver may access shared buffers, created by ion, using dma_buf_vmap and
> dma_buf_vunmap dma-buf API that maps/unmaps previosuly allocated buffers into
> the kernel virtual address space. The implementation of these API is miss
While looking through the qspinlock users, I stumbled upon openrisc and
being curious, I wanted to have a look at its memory model.
To my surprise it doesn't have asm/barrier.h. It does however support
SMP. This lead me to wonder why it would compile, turns out we provide a
no-op mb() if the arch
On Wed 31-01-18 17:33:32, miles.c...@mediatek.com wrote:
> From: Miles Chen
>
> The commit cbe37d093707 ("[PATCH] mm: remove PG_highmem") has removed
> PG_highmem to save a page flag. So the description of PG_highmem
> is no longer needed, remove it.
>
> Signed-off-by: Miles Chen
Acked-by: Mic
On 19/01/18 11:43, Vivek Gautam wrote:
From: Sricharan R
The smmu device probe/remove and add/remove master device callbacks
gets called when the smmu is not linked to its master, that is without
the context of the master device. So calling runtime apis in those places
separately.
Signed-off-b
On 19/01/18 11:43, Vivek Gautam wrote:
From: Sricharan R
Finally add the device link between the master device and
smmu, so that the smmu gets runtime enabled/disabled only when the
master needs it. This is done from add_device callback which gets
called once when the master is added to the smm
[ Based on a patch from Paolo Bonzini ]
... basically doing exactly what we do for VMX:
- Passthrough SPEC_CTRL to guests (if enabled in guest CPUID)
- Save and restore SPEC_CTRL around VMExit and VMEntry only if the guest
actually used it.
Cc: Asit Mallick
Cc: Arjan Van De Ven
Cc: Dave Han
[ Based on a patch from Ashok Raj ]
Add direct access to MSR_IA32_SPEC_CTRL for guests. This is needed for
guests that will only mitigate Spectre V2 through IBRS+IBPB and will not
be using a retpoline+IBPB based approach.
To avoid the overhead of atomically saving and restoring the
MSR_IA32_SPEC
[dwmw2: Stop using KF() for bits in it, too]
Cc: Paolo Bonzini
Cc: Radim Krčmář
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: H. Peter Anvin
Cc: x...@kernel.org
Cc: k...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Paolo Bonzini
Signed-off-by: KarimAllah Ahmed
Signed-off-by: David
Future intel processors will use MSR_IA32_ARCH_CAPABILITIES MSR to indicate
RDCL_NO (bit 0) and IBRS_ALL (bit 1). This is a read-only MSR. By default
the contents will come directly from the hardware, but user-space can still
override it.
[dwmw2: The bit in kvm_cpuid_7_0_edx_x86_features can be un
Add direct access to speculation control MSRs for KVM guests. This allows the
guest to protect itself against Spectre V2 using IBRS+IBPB instead of a
retpoline+IBPB based approach.
It also exposes the ARCH_CAPABILITIES MSR which is going to be used by future
Intel processors to indicate RDCL_NO an
From: Ashok Raj
Add MSR passthrough for MSR_IA32_PRED_CMD and place branch predictor
barriers on switching between VMs to avoid inter VM Spectre-v2 attacks.
[peterz: rebase and changelog rewrite]
[karahmed: - rebase
- vmx: expose PRED_CMD if guest has it in CPUID
- svm: onl
On Wed, Jan 31, 2018 at 10:15:39AM +0100, Jiri Olsa wrote:
> On Tue, Jan 30, 2018 at 07:59:41PM -0800, Andi Kleen wrote:
> > > Still, the part I am missing here, is why asking for
> > > PERF_SAMPLE_PERIOD voids large PEBS.
> >
> > I think it was disabled together with frequency mode
> > (which we
On Wed, Jan 31, 2018 at 02:00:34PM +0100, Peter Zijlstra wrote:
>
> While looking through the qspinlock users, I stumbled upon openrisc and
> being curious, I wanted to have a look at its memory model.
>
> To my surprise it doesn't have asm/barrier.h. It does however support
> SMP. This lead me t
On Wed, Jan 31, 2018 at 12:30:36PM +, Dr. David Alan Gilbert wrote:
> Indeed, it's only for this weird case where you suddenly need to change
> it.
No, there's more:
.name = "Broadwell-noTSX",
.name = "Haswell-noTSX",
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix
On Wed 31-01-18 10:35:38, Anshuman Khandual wrote:
> On 01/30/2018 03:12 PM, Michal Hocko wrote:
[...]
> > Anshuman, could you try to run
> > sed 's@^@@' /proc/self/smaps
> > on a system with MAP_FIXED_NOREPLACE reverted?
> >
>
> After reverting the following commits from mmotm-2018-01-25-16-20 t
On 01/31/18 08:38, Hans Verkuil wrote:
> On 01/31/2018 05:51 AM, Tim Harvey wrote:
>> On Mon, Jan 29, 2018 at 4:00 AM, Hans Verkuil wrote:
>>> On 01/25/2018 05:15 PM, Tim Harvey wrote:
>>
>
> Hmm. This receiver supports multiple output formats, but you advertise
> only one.
> Tha
On Wed, Jan 31, 2018 at 08:03:00AM +0100, Dominik Brodowski wrote:
> On Tue, Jan 30, 2018 at 02:39:45PM -0800, tip-bot for Tim Chen wrote:
> > Commit-ID: 18bf3c3ea8ece8f03b6fc58508f2dfd23c7711c7
> > Gitweb:
> > https://git.kernel.org/tip/18bf3c3ea8ece8f03b6fc58508f2dfd23c7711c7
> > Author:
On Tue 30-01-18 23:58:48, Matthew Wilcox wrote:
> On Tue, Jan 30, 2018 at 01:34:00PM +0100, Michal Hocko wrote:
> > On Mon 29-01-18 16:43:55, Randy Dunlap wrote:
> > > - for function pagevec_lookup_entries(), change the function parameter
> > > name from nr_pages to nr_entries since that is more
On Wed, Jan 31, 2018 at 01:17:37PM +, Will Deacon wrote:
> On Wed, Jan 31, 2018 at 02:00:34PM +0100, Peter Zijlstra wrote:
> >
> > While looking through the qspinlock users, I stumbled upon openrisc and
> > being curious, I wanted to have a look at its memory model.
> >
> > To my surprise it
Hi Shunyong,
On 2018/1/30 9:44, Yang, Shunyong wrote:
> Hi, Rafael
>
> Could you please help to review this patch? This is a small change to
> add ACPI_SIG_IORT to table_sigs[].
> Loading IORT table from initrd is very useful to debug SMMU node/device
> probe, MSI allocation, stream id translati
On Tue 30-01-18 11:44:12, Ram Pai wrote:
> Currently the architecture specific code is expected to
> display the protection keys in smap for a given vma.
> This can lead to redundant code and possibly to divergent
> formats in which the key gets displayed.
>
> This patch changes the imp
These bindings allow to describe most known standard USB connectors
and it should be possible to extend it if necessary.
USB connectors, beside USB can be used to route other protocols,
for example UART, Audio, MHL. In such case every device passing data
through the connector should have appropriat
Since USB connector bindings are available we can describe it on TM2(e).
Signed-off-by: Andrzej Hajda
---
arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 6 ++
1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
b/arch/arm64/boot/dts/e
Hi,
This patchset introduces USB physical connector bindings, together with working
example.
I have added comments in relevant patches to describe possible issues.
In v2 I have addressed comments by Rob and Laurent, thanks
Changes are described in patches.
Regards
Andrzej
Andrzej Hajda (4):
Since extcon property is not allowed in DT, extcon subsystem requires
another way to get extcon device. Lets try the simplest approach - get
edev by of_node.
Signed-off-by: Andrzej Hajda
Acked-by: Chanwoo Choi
---
v2: changed label to follow local convention (Chanwoo)
---
drivers/extcon/extcon.
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