On 21-11-18, 14:06, Matthias Kaehlcke wrote:
> On Wed, Nov 21, 2018 at 04:12:47PM +0530, Taniya Das wrote:
> > + .boost_enabled = true,
>
> I have no real expertise with cpufreq boost, but after reading a bit
> through cpufreq code this seems wrong. Boost is enabled statically,
> however the dr
On Thu, Nov 22, 2018 at 11:14:43AM +0900, Sergey Senozhatsky wrote:
> On (11/21/18 05:34), Minchan Kim wrote:
> > >
> > > Just a thought,
> > >
> > > I wonder if it will make sense (and if it will be possible) to writeback
> > > idle _compressed_ objects. Right now we decompress, say, a perfectly
On Wed, 21 Nov 2018 14:54:42 -0700 Yu Zhao wrote:
> We changed key of swap cache tree from swp_entry_t.val to
> swp_offset. Need to do so in shmem_replace_page() as well.
What are the user-visible effects of this change?
> Fixes: f6ab1f7f6b2d ("mm, swap: use offset of swap entry as key of swap
stable-rc/linux-4.9.y boot: 79 boots: 0 failed, 78 passed with 1 offline
(v4.9.138-60-g70b13958eeae)
Full Boot Summary:
https://kernelci.org/boot/all/job/stable-rc/branch/linux-4.9.y/kernel/v4.9.138-60-g70b13958eeae/
Full Build Summary:
https://kernelci.org/build/stable-rc/branch/linux-4.9.y/ke
Hi, Andrew:
As suggested, I will post them as a patch series (with the same version v5):
[PATCH v5 1/2] kernel/signal: Signal-based pre-coredump notification
[PATCH v5 2/2] selftests/prctl: selftest for pre-coredump signal
notification
I have a diff for the manpage as well. I guess that
Hi all,
Changes since 20181121:
The bpf-next tree gained a conflict against the net-next tree.
Non-merge commits (relative to Linus' tree): 4106
4327 files changed, 188873 insertions(+), 127896 deletions(-)
I
This group of MFD drivers are all controlled by "bool" Kconfig settings,
but contain traces of module infrastructure like unused/orphaned __exit
functions, use of and/or MODULE_ macros that are no-ops
in the non-modular case.
We can remove/replace all of the above. We are trying to make driver
c
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_SYSCON
drivers/mfd/Kconfig:bool "System Controller Register R/W Based on Regmap"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essential
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_WM8400
drivers/mfd/Kconfig:bool "Wolfson Microelectronics WM8400"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_RC5T583
drivers/mfd/Kconfig:bool "Ricoh RC5T583 Power Management system device"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentiall
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_STA2X11
drivers/mfd/Kconfig:bool "STMicroelectronics STA2X11"
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modular infrastructure use, so t
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_WM831X
drivers/mfd/Kconfig:bool
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modular infrastructure use, so that
when reading the driver th
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_TPS65910
drivers/mfd/Kconfig-bool "TI TPS65910 Power Management chip"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_AS3711
drivers/mfd/Kconfig:bool "AMS AS3711"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading th
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_DA9055
drivers/mfd/Kconfig:bool "Dialog Semiconductor DA9055 PMIC Support"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orp
The Kconfig for this option is currently:
config HTC_I2CPLD
bool "HTC I2C PLD chip support"
...meaning that it currently is not being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-onl
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_DB8500_PRCMU
drivers/mfd/Kconfig:bool "ST-Ericsson DB8500 Power Reset Control Management
Unit"
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces o
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_MAX8925
drivers/mfd/Kconfig:bool "Maxim Semiconductor MAX8925 PMIC Support"
...meaning that it currently is not being built as a module by anyone.
Lets remove the couple traces of modular infrastruc
Commit e49ce14150c6 ("modpost: use linker section to generate table.")
was not so cool as we had expected because it ended up with ugly section
hacks when commit dd2a3acaecd7 ("mod/file2alias: make modpost compile on
darwin again") came in.
Given a certain degree of unknowledge about the link stag
Use specific prototype instead of an opaque pointer so that the
compiler can catch incompatible pointer type.
Signed-off-by: Masahiro Yamada
---
scripts/mod/file2alias.c | 7 +++
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.
On 21-11-18, 23:12, Daniel Lezcano wrote:
> On 30/10/2018 09:58, Viresh Kumar wrote:
> > s/dmpis/dmips/ in $subject
> >
> > On 29-10-18, 17:23, Daniel Lezcano wrote:
> >> In the case of assymetric SoC with the same micro-architecture, we
> >
> > asymmetric ?
> >
> >> have a grou
Hi Benjamin,
It appears the Elantech SMBus support breaks some users’ touchpad.
Please have a look at [1] [2], thanks!
[1] https://bugs.launchpad.net/bugs/1803600
[2] https://bugs.archlinux.org/task/59714
Kai-Heng
On Tue, Nov 20, 2018 at 2:17 PM Dennis Zhou wrote:
>
> Hi Eddie, Vlad, and Willem,
>
> A few people mentioned to me that you guys were experiencing issues with
> the percpu memory allocator. I saw the talk slides mention the
> following two bullets:
>
> 1) allocation pattern makes the per cpu allo
Em Wed, Nov 07, 2018 at 02:50:45AM -0800, Stephane Eranian escreveu:
> When using the -x option, perf stat prints csv-style output
> with one event per line. For each event, it prints the count,
> the unit, the event name, the cgroup, and a bunch of other event
> specific fields (such as insn per
From: Arnaldo Carvalho de Melo
Start with a getpid() function wrapping BPF_FUNC_get_current_pid_tgid,
idea is to mimic the system headers.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Wang Nan
Link: https://lkml.kernel.org/n/tip-zo8hv22onidep7tm785dz...@git.kernel.or
From: Arnaldo Carvalho de Melo
A new 'perf bench epoll' will use this, and to disable it for older
systems, add a feature test for this API.
This is just a simple program that if successfully compiled, means that
the feature is present, at least at the library level, in a build that
sets the out
From: Jiri Olsa
The Compiled Method Load Record (cmlr) is JDK specific interface to
access JVM stack info. This makes the jvmti agent code not compile under
another jdk, which does not support that.
Separating jvmti cmlr check into special feature check, and adding
HAVE_JVMTI_CMLR macro to indic
From: Davidlohr Bueso
Benchmark the various operations allowed for epoll_ctl(2). The idea is
to concurrently stress a single epoll instance doing add/mod/del
operations.
Committer testing:
# perf bench epoll ctl
# Running 'epoll/ctl' benchmark:
Run summary [PID 20344]: 4 threads doing ep
From: Davidlohr Bueso
This program benchmarks concurrent epoll_wait(2) for file descriptors
that are monitored with with EPOLLIN along various semantics, by a
single epoll instance. Such conditions can be found when using
single/combined or multiple queuing when load balancing.
Each thread has a
From: Kan Liang
The weak functions, strcmp_cpuid_str() and get_cpuid_str(), are defined
in pmu.c.
Most of the cpuid related functions, including *_cpuid_str()'s
declaration and platform specific definition, are in header.c/h.
To make the declaration and definition of all cpuid related functions
From: Eric Saint-Etienne
Perf can take minutes to parse an image when -ffunction-section is used.
This is especially true with the kernel image when it is compiled this
way, which is the arm64 default since the patcheset "Enable deadcode
elimination at link time".
Perf organize maps using a rbtr
From: Ravi Bangoria
We already have function to check if a given event is either
SW_CPU_CLOCK or SW_TASK_CLOCK. Utilize it.
Signed-off-by: Ravi Bangoria
Acked-by: Jiri Olsa
Cc: Alexander Shishkin
Cc: Anton Blanchard
Cc: Jin Yao
Cc: Namhyung Kim
Cc: Thomas Richter
Cc: yuzhouj...@didichuxin
From: Milian Wolff
The iregs output was missing the newline at end as well as the leading
ABI output. This made it hard to compare the iregs and uregs values.
Instead, use a single function to output the register values and use it
for both, iregs and uregs, to ensure the output is consistent.
Be
From: Kan Liang
The perf tools cannot find the proper event list for the Cascadelake
server. Because the Cascadelake server and the Skylake server have the
same CPU model number, which are used by the perf tools to find the
event list.
The stepping for Skylake server is up to 4.
The stepping f
From: Milian Wolff
This change makes it much easier to easily distinguish between
consecutive samples by keeping the empty line between them, like we see
when we do not enable uregs output.
Before:
cpp-inlining 28298 [-01] 54837.342780:3068085 cycles:pp:
77c96709 __hypot
From: Davidlohr Bueso
Both futex and epoll need this call, and can cause build failure on
systems that don't have it pthread_attr_setaffinity_np().
Signed-off-by: Davidlohr Bueso
Reported-by: Arnaldo Carvalho de Melo
Cc: Andrew Morton
Cc: Davidlohr Bueso
Cc: Jason Baron
Link: http://lkml.ke
From: Ben Hutchings
Depending on which functions are inlined in util/pmu.c, the snprintf()
calls in perf_pmu__parse_{scale,unit,per_pkg,snapshot}() might trigger a
warning:
util/pmu.c: In function 'pmu_aliases':
util/pmu.c:178:31: error: '%s' directive output may be truncated writing up
to
From: Pu Wen
The tool perf is useful for the performance analysis on the Hygon Dhyana
platform. But right now there is no Hygon support for it to analyze the
KVM guest os data. So add Hygon Dhyana support to it by checking vendor
string to share the code path of AMD.
Signed-off-by: Pu Wen
Acked
From: Arnaldo Carvalho de Melo
Leftover from when we started augmented_raw_syscalls.c from
tools/perf/examples/bpf/augmented_syscalls.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Wang Nan
Fixes: e58a0322dbac ("perf examples bpf: Start augmenting
raw_syscalls:sys_{s
From: Arnaldo Carvalho de Melo
When testing system wide tracing without filtering the syscalls called
by 'perf trace' itself we get into a feedback loop, drop for now those
two syscalls, that are the ones that 'perf trace' does in its loop for
writing the syscalls it intercepts, to help with test
From: Arnaldo Carvalho de Melo
Now that 'perf trace' fills in that "filtered_pids" BPF map, remove the
set of filtered pids used as an example to test that feature.
That feature works like this:
Starting a system wide 'strace' like 'perf trace' augmented session we
noticed that lots of events t
From: Arnaldo Carvalho de Melo
While working on augmented syscalls I got into this error:
# trace -vv --filter-pids 2469,1663 -e
tools/perf/examples/bpf/augmented_raw_syscalls.c sleep 1
libbpf: map 0 is "__augmented_syscalls__"
libbpf: map 1 is "__bpf_stdout__"
libbpf: map 2 is "pids
From: Arnaldo Carvalho de Melo
To better reflect that this is a tracepoint filter, as opposed, for
instance to map based BPF filters.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Wang Nan
Link: https://lkml.kernel.org/n/tip-9138svli6ddcphrr3ymy9...@git.kernel.org
Sig
From: Arnaldo Carvalho de Melo
Just to show where we'll hook pid based filters, and what we use to
obtain the current pid, using a BPF getpid() equivalent.
Now we need to remove that hardcoded PID with a BPF hash map, so that we
start by filtering 'perf trace's own PID, implement the --filter-pi
From: Arnaldo Carvalho de Melo
Now that we have the "filtered_pids" logic in place, no need to do this
rough filter to avoid the feedback loop from 'perf trace's own syscalls,
revert it.
This reverts commit 7ed71f124284359676b6496ae7db724fee9da753.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri O
merged.
- Arnaldo
Test results at the end of this message, as usual.
The following changes since commit b1a9d7b0190119dad5b9b7841751b5a7586bbc8b:
Merge tag 'perf-urgent-for-mingo-4.20-20181121' of
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
(2018-11-21 15:5
From: Arnaldo Carvalho de Melo
Will be used in the augmented_raw_syscalls.c to implement 'perf trace
--filter-pids'.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Wang Nan
Link: https://lkml.kernel.org/n/tip-9sybmz4vchlbpqwx2am13...@git.kernel.org
Signed-off-by: Arnal
From: Arnaldo Carvalho de Melo
This makes the augmented_syscalls support the --filter-pids and
auto-filtered feedback loop pids just like when working without BPF,
i.e. with just raw_syscalls:sys_{enter,exit} and tracepoint filters.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri Olsa
Cc: Namhyung
From: Arnaldo Carvalho de Melo
Lookup for the first map named "filtered_pids" and, if augmenting
syscalls, i.e. if a BPF event is present and the
"__augmented_syscalls__" is present, then fill in that map with the pids
to filter, be it feedback loop ones (perf trace's pid, its father if it
is "ss
From: Arnaldo Carvalho de Melo
As we'll need that name for a new function to set filters for both
tracepoints and BPF maps for filtering pids.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Wang Nan
Link: https://lkml.kernel.org/n/tip-mdkck6hf3fnd21rz27662...@git.kerne
From: Arnaldo Carvalho de Melo
Just to test filtering a bunch of pids, now its time to go and get that
hooked up in 'perf trace', right after we load the bpf program, if we
find a "pids_filtered" map defined, we'll populate it with the filtered
pids.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri
From: Arnaldo Carvalho de Melo
Starting with a helper for a basic pid_map(), a hash using a pid as a
key.
Cc: Adrian Hunter
Cc: David Ahern
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Wang Nan
Link: https://lkml.kernel.org/n/tip-gdwvq53wltvq6b3g5tdmh...@git.kernel.org
Signed-off-by: Arnaldo Carvalho
On Mon, 19 Nov 2018 19:17:52 +0800 Yafang Shao wrote:
> Just add the missing newline.
>
> ...
>
> --- a/fs/proc/base.c
> +++ b/fs/proc/base.c
> @@ -370,11 +370,12 @@ static int proc_pid_wchan(struct seq_file *m, struct
> pid_namespace *ns,
> wchan = get_wchan(task);
> if (wchan && !
On Thu, 22 Nov 2018 12:14:20 +0900 Masahiro Yamada
wrote:
> When I tried to enable BUILD_BUG_ON for Sparse, the kbuild test robot
> reported lots of "unknown expression" warnings from container_of(),
> which seemed false positive.
>
> I addressed this in [1], but fixing Sparse is the right thin
On Wed, Nov 21, 2018 at 6:27 PM Andrew Morton wrote:
>
> On Tue, 20 Nov 2018 13:13:35 -0800 Joel Fernandes
> wrote:
>
> > > > I am Ok with whatever Andrew wants to do, if it is better to squash it
> > > > with
> > > > the original, then I can do that and send another patch.
> > > >
> > > >
> >
Currently, the nds32 FPU dose not support the arithmetic of denormalized
number. When the nds32 FPU finds the result of the instruction is a
denormlized number, the nds32 FPU considers it to be an underflow condition
and rounds the result to an appropriate number. It may causes some loss
of precisi
The introduction of these dummy BUILD_BUG_ON stubs dates back to
commit 903c0c7cdc21 ("sparse: define dummy BUILD_BUG_ON definition
for sparse").
At that time, BUILD_BUG_ON() was implemented with the negative array
trick *and* the link-time trick, like this:
extern int __build_bug_on_failed;
This modification is quoted from glibc 'commit <
sysdeps/unix/sysv/linux/sparc/sparc64/dl-procinfo.c: Moved to>
(fe0b1e854ad32a69b260)'
Signed-off-by: Vincent Chen
---
include/math-emu/op-2.h | 97 ++
1 files changed, 46 insertions(+), 51 deletions(-
The kernel can only be compiled with an optimization option (-O2, -Os,
or the currently proposed -Og). Hence, __OPTIMIZE__ is always defined
in the kernel source.
The fallback for the -O0 case is just hypothetical and pointless.
Moreover, commit 0bb95f80a38f ("Makefile: Globally enable VLA warning
The Andes FPU coprocessor does not support denormalized number handling.
According to the specification, FPU generates a denorm input exception
that requires the kernel to deal with this instrution operation when it
encounters denormalized operands. Hence an nds32 FPU ISA emulator in the
kernel is
_FP_ROUND_ZERO is defined as 0 and used as a statemente in macro
_FP_ROUND. This generates "error: statement with no effect
[-Werror=unused-value]" from gcc. Defining _FP_ROUND_ZERO as (void)0 to
fix it.
This modification is quoted from glibc 'commit
(8ed1e7d5894000c155acbd06f)'
Signed-off-by: V
When I tried to enable BUILD_BUG_ON for Sparse, the kbuild test robot
reported lots of "unknown expression" warnings from container_of(),
which seemed false positive.
I addressed this in [1], but fixing Sparse is the right thing to do.
The issue was fixed by Sparse commit 0eb8175d3e9c ("fix expan
This patch set contains basic components for supporting the nds32 FPU,
such as exception handlers and context switch for FPU registers. By
default, the lazy FPU scheme is supported and the user can configure it
via CONFIG_LZAY_FPU. In addition, a floating point emulator is required
to handle all
This patch set contains basic components for supporting the nds32 FPU,
such as exception handlers and context switch for FPU registers. By
default, the lazy FPU scheme is supported and the user can configure it via
CONFIG_LZAY_FPU.
Signed-off-by: Vincent Chen
---
arch/nds32/Kconfig
From: Michael Kelley
Add ARM64-specific code to enable Hyper-V. This code includes:
* Detecting Hyper-V and initializing the guest/Hyper-V interface
* Setting up Hyper-V's synthetic clocks
* Making hypercalls using the HVC instruction
* Setting up VMbus and stimer0 interrupts
* Setting up kexec a
From: Michael Kelley
Add hooks to enable/disable a per-CPU IRQ for VMbus. These hooks
are in the architecture independent setup and shutdown paths for
Hyper-V, and are needed by Linux guests on Hyper-V on ARM64. The
x86/x64 implementation is null because VMbus interrupts on x86/x64
don't use an
From: Michael Kelley
Update drivers/hv/Kconfig so CONFIG_HYPERV can be selected on ARM64,
causing the Hyper-V specific code to be built.
Signed-off-by: Michael Kelley
Signed-off-by: K. Y. Srinivasan
---
drivers/hv/Kconfig | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/d
From: Michael Kelley
hyperv-tlfs.h defines Hyper-V interfaces from the Hyper-V Top Level
Functional Spec (TLFS). The TLFS is distinctly oriented to x86/x64,
and Hyper-V has not separated out the architecture-dependent parts into
x86/x64 vs. ARM64. So hyperv-tlfs.h includes information for ARM64
t
From: "K. Y. Srinivasan"
This series enables Linux guests running on Hyper-V on ARM64
hardware. New ARM64-specific code in arch/arm64/hyperv initializes
Hyper-V, including its synthetic clocks and hypercall mechanism.
Existing architecture independent drivers for Hyper-V's VMbus and
synthetic dev
Hi,
On 2018년 11월 22일 03:01, Lukasz Luba wrote:
> Devfreq framework supports suspend of its devices.
> Call the the devfreq interface and allow devfreq devices preserve/restore
> their states during suspend/resume.
>
> The patch draws on Tobias Jakobi's work posted ~2 years ago, who tried to
> sol
Hi,
On 2018년 11월 22일 03:01, Lukasz Luba wrote:
> Mark the state for devfreq device while entring suspend/resume process.
>
> The patch draws on Tobias Jakobi's work posted ~2 years ago, who tried to
> solve issue with devfreq device's frequency during suspend/resume.
> During the discussion on LK
Hi,
On 2018년 11월 22일 03:01, Lukasz Luba wrote:
> This patch adds implementation for global suspend/resume for
> devfreq framework. System suspend will next use these functions.
>
> The patch draws on Tobias Jakobi's work posted ~2 years ago, who tried to
> solve issue with devfreq device's freque
On 2018-11-21 18:31, Christoph Hellwig wrote:
>> #define LZO_USE_CTZ32 1
>> #elif defined(__i386__) || defined(__powerpc__)
>> #define LZO_USE_CTZ32 1
>> -#elif defined(__arm__) && (__LINUX_ARM_ARCH__ >= 5)
>> +#elif defined(__arm__)
>> +#if (__LINUX_ARM_ARCH__ >= 5)
>> #define LZO_
From: Paul Selles
Current Switchtec's BAR setup registers are limited to 32bits,
corresponding to the maximum MW (memory window) size is <4G.
Increase the MW sizes with the addition of the BAR Setup Extension
Register for the upper 32bits of a 64bits MW size. This increases the MW
range to betwe
From: Paul Selles
Switchtec NTB crosslink BARs are 64bit addressed but they are printed as
32bit addressed BARs. Fix debug log to increment the BAR numbers by 2 to
reflect the 64bit address alignment.
Signed-off-by: Paul Selles
Signed-off-by: Wesley Sheng
---
drivers/ntb/hw/mscc/ntb_hw_switch
Hi, Everyone,
This patch series adds support of >=4G memory windows.
Current Switchtec's BAR setup registers are limited to 32bits,
corresponding to the maximum MW (memory window) size is <4G.
Increase the MW sizes with the addition of the BAR Setup Extension
Register for the upper 32bits of a 64
The SoC has PMU support in its L3 cache controller (L3C) and in the
DDR4 Memory Controller (DMC).
Signed-off-by: Ganapatrao Kulkarni
---
Documentation/perf/thunderx2-pmu.txt | 106 +++
1 file changed, 106 insertions(+)
create mode 100644 Documentation/perf/thunderx2-pmu.
The number of available NT req id mapping table entries per NTB control
register is 512. The driver mistakenly limits the number to 256.
Fix the array size of NT req id mapping table.
Signed-off-by: Wesley Sheng
---
include/linux/switchtec.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletion
> -Original Message-
> From: k...@linuxonhyperv.com
> Sent: Wednesday, November 21, 2018 6:51 PM
> To: gre...@linuxfoundation.org; linux-kernel@vger.kernel.org;
> de...@linuxdriverproject.org; o...@aepfle.de; a...@canonical.com;
> jasow...@redhat.com; Stephen Hemminger ;
> Michael Kelle
On 2018년 11월 22일 03:01, Lukasz Luba wrote:
> The patch adds support for handling suspend/resume process.
> It uses atomic variables to make sure no race condition
> affects the process.
>
> The patch draws on Tobias Jakobi's work posted ~2 years ago, who tried to
> solve issue with devfreq device'
i.MX6SLL EVK board has WDOG_B pin connected to the PMIC;
Add the WDOG_B pinctrl entry and 'fsl,ext-reset-output'
property to wdog node to let watchdog trigger a system
POR reset via the PMIC.
Signed-off-by: Anson Huang
---
arch/arm/boot/dts/imx6sll-evk.dts | 12
1 file changed, 12
On 2018년 11월 22일 11:52, Chanwoo Choi wrote:
> On 2018년 11월 22일 03:01, Lukasz Luba wrote:
>> The refactoring is needed for the new client in devfreq: suspend.
>> To avoid code duplication, move it to the new local function
>> devfreq_set_target.
>>
>> The patch draws on Tobias Jakobi's work posted ~
On 2018년 11월 22일 03:01, Lukasz Luba wrote:
> The refactoring is needed for the new client in devfreq: suspend.
> To avoid code duplication, move it to the new local function
> devfreq_set_target.
>
> The patch draws on Tobias Jakobi's work posted ~2 years ago, who tried to
> solve issue with devfr
From: "K. Y. Srinivasan"
This series enables Linux guests running on Hyper-V on ARM64
hardware. New ARM64-specific code in arch/arm64/hyperv initializes
Hyper-V, including its synthetic clocks and hypercall mechanism.
Existing architecture independent drivers for Hyper-V's VMbus and
synthetic dev
On Wed, 2018-11-21 at 10:39 -0600, Rob Herring wrote:
> On Wed, Nov 21, 2018 at 2:11 AM wrote:
> >
> > From: Miles Chen
> >
> > When we use more than 32 entries in /resered-memory,
> > there will be an error message: "not enough space all defined regions.".
> > We can increase MAX_RESERVED_REGION
On 2018/11/17 1:49, Lorenzo Pieralisi wrote:
> On Tue, Oct 09, 2018 at 09:53:10AM +0800, Hanjie Lin wrote:
>> From: Yue Wang
>>
>> The Amlogic Meson PCIe host controller is based on the Synopsys DesignWare
>> PCI core. This patch adds the driver support for Meson PCIe controller.
>>
>> Signed-o
Hi,
On 2018년 11월 22일 03:01, Lukasz Luba wrote:
> The patch prepares devfreq device for handling suspend/resume functionality.
> The new fields will store needed information during this process.
> Devfreq framework handles opp-suspend DT entry and there is no need of
> modyfications in the drivers
This fixes the case when CONFIG_QCOM_SCM is not enabled, and linux/errno.h
has not been included previously.
Signed-off-by: Jonathan Marek
---
drm/msm includes qcom_scm.h, but can be used with non-qcom hw (IMX5)
include/linux/qcom_scm.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/inc
[...]
> +
> +static int __maybe_unused flexcan_noirq_suspend(struct device *device)
> +{
> + struct net_device *dev = dev_get_drvdata(device);
> + struct flexcan_priv *priv = netdev_priv(dev);
> +
> + if (netif_running(dev) && device_may_wakeup(device))
> + flexcan_enable_w
On Wed, Nov 21, 2018 at 09:14:54PM +0100, Thomas Gleixner wrote:
> From: Jiri Kosina
>
> If 'prctl' mode of app2app protection from spectre v2 is selected on the
> kernel command-line, STIBP and IBPB are applied on tasks which restrict
> their indirect branch speculation via prctl.
>
> SECCOMP e
On Wed, 21 Nov 2018, Michal Hocko wrote:
> On Tue 20-11-18 17:47:21, Hugh Dickins wrote:
> > On Tue, 20 Nov 2018, Michal Hocko wrote:
> >
> > > From: Michal Hocko
> > >
> > > filemap_map_pages takes a speculative reference to each page in the
> > > range before it tries to lock that page. While
On Tue, 20 Nov 2018 13:13:35 -0800 Joel Fernandes
wrote:
> > > I am Ok with whatever Andrew wants to do, if it is better to squash it
> > > with
> > > the original, then I can do that and send another patch.
> > >
> > >
> >
> > From experience, Andrew will food in fixups on request :)
>
> A
Hi Daniel
Thank you for your comments.
On 2018/11/21 19:08, Daniel Lezcano wrote:
Hi Sugaya,
On 19/11/2018 02:01, Sugaya Taichi wrote:
Add Milbeaut M10V timer using 32bit timer in peripheral.
Give a better description of the timer as it is new timer introduced.
I got it. Add more descript
On Mon, 19 Nov 2018 22:06:16 -0800 Andrei Vagin wrote:
> There are a few system calls (pselect, ppoll, etc) which replace a task
> sigmask while they are running in a kernel-space
>
> When a task calls one of these syscalls, the kernel saves a current
> sigmask in task->saved_sigmask and sets a
On Wed, Nov 21, 2018 at 09:14:50PM +0100, Thomas Gleixner wrote:
> +static void task_update_spec_tif(struct task_struct *tsk, int tifbit, bool
> on)
> {
> bool update;
>
> + if (on)
> + update = !test_and_set_tsk_thread_flag(tsk, tifbit);
> + else
> + update
On (11/21/18 05:34), Minchan Kim wrote:
> >
> > Just a thought,
> >
> > I wonder if it will make sense (and if it will be possible) to writeback
> > idle _compressed_ objects. Right now we decompress, say, a perfectly
> > fine 400-byte compressed object to a PAGE_SIZE-d object and then push
> > i
On 2018/11/20 4:12, Martin Blumenstingl wrote:
> Hello Hanjie, Hello Yue,
>
> sorry for being late with my comment
>
> On Tue, Oct 9, 2018 at 3:53 AM Hanjie Lin wrote:
>>
>> From: Yue Wang
>>
>> The Amlogic Meson PCIe host controller is based on the Synopsys DesignWare
>> PCI core. This patc
ping
This patch is to fix initrd cannot be extracted properly in some cases.
Thanks
On 11/16/2018 03:12 PM, Li Zhijian wrote:
Previously, sys_link() will fail due to the new path is already existed.
this case ofen appears when we use a concated initrd, below is an
sample:
1) prepare a basic
Makes it possible to have MMU for GPU but not display.
Signed-off-by: Jonathan Marek
---
drivers/gpu/drm/msm/msm_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index d97f6ecb0531..6657453a3a58 100644
--- a/d
This patch allows using drm/msm without qcom display hardware. This is
especially useful for iMX5 hardware, which has a a2xx GPU but uses the
imx-drm driver for display.
Signed-off-by: Jonathan Marek
---
v2: added commit message and removed unnecessary comment
drivers/gpu/drm/msm/Kconfig
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