On Wed, 2019-02-06 at 09:52 -0800, Matthew Wilcox wrote:
> On Wed, Feb 06, 2019 at 10:31:14AM -0700, Jason Gunthorpe wrote:
> > On Wed, Feb 06, 2019 at 10:50:00AM +0100, Jan Kara wrote:
> >
> > > MM/FS asks for lease to be revoked. The revoke handler agrees with the
> > > other side on cancelling
On Tue, Feb 05, 2019 at 01:04:14PM +1100, Firoz Khan wrote:
> Unified system call table generation script must be run to generate
> unistd_32.h and syscall_table.h files. This patch will have changes which
> will invokes the script.
>
> This patch will generate unistd_32.h and syscall_table.h fil
On Wed, Feb 06, 2019 at 01:32:04PM -0500, Doug Ledford wrote:
> On Wed, 2019-02-06 at 09:52 -0800, Matthew Wilcox wrote:
> > On Wed, Feb 06, 2019 at 10:31:14AM -0700, Jason Gunthorpe wrote:
> > > On Wed, Feb 06, 2019 at 10:50:00AM +0100, Jan Kara wrote:
> > >
> > > > MM/FS asks for lease to be rev
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Am 06.02.19 um 18:23 schrieb Ard Biesheuvel:
On Fri, 25 Jan 2019 at 11:35, Ard Biesheuvel wrote:
On Fri, 25 Jan 2019 at 12:30, Christian König
wrote:
Am 25.01.19 um 09:43 schrieb Ard Biesheuvel:
On Thu, 24 Jan 2019 at 15:01, Alex Deucher wrote:
On Thu, Jan 24, 2019 at 9:00 AM Ard Biesheuve
Hello,
Greetings,
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fund; we seek any business that will guaranty a safe and secure
return on investments. Alternative powers, movies, start up
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On Wed, 2019-02-06 at 10:35 -0800, Matthew Wilcox wrote:
> On Wed, Feb 06, 2019 at 01:32:04PM -0500, Doug Ledford wrote:
> > On Wed, 2019-02-06 at 09:52 -0800, Matthew Wilcox wrote:
> > > On Wed, Feb 06, 2019 at 10:31:14AM -0700, Jason Gunthorpe wrote:
> > > > On Wed, Feb 06, 2019 at 10:50:00AM +01
On Wed, Feb 06, 2019 at 05:03:53PM +, Robin Murphy wrote:
> ARCH_MEMORY_PROBE is a useful thing for testing and debugging hotplug,
> but being able to exercise the (arguably trickier) hot-remove path would
> be even more useful. Extend the feature to allow removal of offline
> sections to be tr
Quoting Lina Iyer (2019-02-06 09:07:30)
> Thanks for the patch Stephen. Sorry, it took a while to get to this and
> understand how this works.
>
> On Thu, Jan 31 2019 at 00:10 -0700, Stephen Boyd wrote:
> >Quoting Stephen Boyd (2019-01-31 13:53:42)
> >>
> >> I'm prototyping out some code to do the
the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git
tags/perf-core-for-mingo-5.1-20190206
for you to fetch changes up to 16bd4321c2425d37031a902cdbf183e2cd099946:
perf auxtrace: Add timestamp to auxtrace errors (2019-02-06 11:20:32 -0300
From: Arnaldo Carvalho de Melo
To reduce the header dependencies, since we already have a srccode.h
header, then there is where the 'struct srccode_state' should be, and
map.h, that is more widely used should have just a forward declaraion
of 'struct srccode_state'.
Cc: Adrian Hunter
Cc: Andi K
From: Arnaldo Carvalho de Melo
It uses strstarts(), that is defined in linux/string.h but that was
being including by sheer luck, indirectly, fix it.
Cc: Adrian Hunter
Cc: Dongjiu Geng
Cc: Jiri Olsa
Cc: Kim Phillips
Cc: Mathieu Poirier
Cc: Namhyung Kim
Cc: Suzuki Poulouse
Cc: Will Deacon
From: Arnaldo Carvalho de Melo
To allow headers just wanting this definition to be able to get it
without all the things in symbol.h, to reduce the include dep tree.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-l32z2qyhs6fe8unf4gk2e...@git.kernel.org
Si
From: Arnaldo Carvalho de Melo
Also add stdio.h to get the FILE definition.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-8vx5396phynuxhdsxxfbd...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/util/thread.h | 5 -
1 file cha
From: Arnaldo Carvalho de Melo
It uses several structs but don't explicitely includes the headers where
they are defined, getting them by sheer luck from one of the headers it
includes, since those are being streamlined to avoid unnecessary
rebuilds when changes are made to a random header, they
From: Arnaldo Carvalho de Melo
Lots of places get the map.h file indirectly, and since we're going to
remove it from machine.h, then those need to include it directly, do it
now, before we remove that dep.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-ob
From: Arnaldo Carvalho de Melo
We're going to remove symbol.h from some places and this breaks
some of the perf tests, fix it by adding the required includes.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-wpa4b6x0btpnh2kjxzl9n...@git.kernel.org
Signed-of
From: Arnaldo Carvalho de Melo
That was the only thing that made including map.h in callchain.h a
requiriment, so uninline it and just add a 'struct map' forward
declaration.
Cc: Adrian Hunter
Cc: Frederic Weisbecker
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-7fjz4hvv
From: Arnaldo Carvalho de Melo
To reduce the header dependency and avoid unnecessary rebuilds when
things change in symbol.h.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-6duflwliprh2tr47w5x4t...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo
-
From: Arnaldo Carvalho de Melo
It needs the definitions for PATH_MAX and snprintf, was getting it
by luck from headers it included and that are now being sanitized.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-7bbh3kk0h5mywvfqm64nh...@git.kernel.org
Sig
From: Arnaldo Carvalho de Melo
This header was being obtained indirectly, by sheer luck, add it.
Cc: Adrian Hunter
Cc: Hemant Kumar
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-c3h8oyav16iu5ivput8n4...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/p
From: Mathieu Poirier
When pmu::setup_aux() is called the coresight PMU needs to know which
sink to use for the session by looking up the information in the
event's attr::config2 field.
As such simply replace the cpu information by the complete perf_event
structure and change all affected custom
From: Arnaldo Carvalho de Melo
To cut the header dep tree, to get unecessary object rebuilds to be
reduced when a change happens in headers.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Wang Nan
Link: https://lkml.kernel.org/n/tip-ph72xhl9moqa0g1hxcyud...@git.kernel.org
Signed-off-by
From: Arnaldo Carvalho de Melo
To reduce the header dependency tree.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-rc389o1z0htwukqv6ni1v...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/util/pmu.h | 3 ++-
1 file changed, 2 inse
From: Mathieu Poirier
Add a "sinks" directory entry so that users can see all the sinks
available in the system in a single place. Individual sink are added
as they are registered with the coresight bus.
Committer tests:
Test built on a ubuntu 18.04 container with a cross build environment to
From: Mathieu Poirier
This patch uses the information conveyed by perf_event::attr::config2
to select a sink to use for the session. That way a sink can easily be
selected to be used by more than one source, something that isn't currently
possible with the sysfs implementation.
Signed-off-by: M
From: Mathieu Poirier
CoreSight was the only client of the PMU's set_drv_config() API. Now
that it is no longer needed by CoreSight remove it from the code base.
Signed-off-by: Mathieu Poirier
Acked-by: Suzuki K Poulouse
Cc: Adrian Hunter
Cc: Alexander Shishkin
Cc: Alexei Starovoitov
Cc: G
Try and register an Energy Model from mediatek-cpufreq to allow
interested subsystems like the task scheduler to use the provided
information.
Signed-off-by: Matthias Kaehlcke
---
Changes in v2:
- register the EM after setting the cpumask
---
drivers/cpufreq/mediatek-cpufreq.c | 2 ++
1 file cha
From: Mathieu Poirier
Now that the event's config2 attribute is used to communicate sink
selection to the kernel, remove the old set_drv_config() implementation
since it is no longer needed.
Signed-off-by: Mathieu Poirier
Acked-by: Suzuki K Poulouse
Cc: Adrian Hunter
Cc: Alexander Shishkin
C
On Sunday, 20 January 2019 19.39.55 CET Joe Perches wrote:
> Well, maybe checkpatch should remove the comment trailer.
> ---
> Miscellanea:
In case you are waiting for me (haven't seen it popping up in linux-next):
yes, this patch solves the problem for me.
Tested-by: Sven Eckelmann
Thanks,
From: Alexey Budankov
Build node cpu masks for mmap data buffers. Apply node cpu masks to tool
thread every time it references data buffers cross node or cross cpu.
Signed-off-by: Alexey Budankov
Reviewed-by: Jiri Olsa
Cc: Alexander Shishkin
Cc: Andi Kleen
Cc: Namhyung Kim
Cc: Peter Zijlstr
From: Arnaldo Carvalho de Melo
It prevents copy elision, generating this warning when building with
fedora:rawhide's clang:
clang version 7.0.1 (Fedora 7.0.1-2.fc30)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/.
From: Jiri Olsa
Add perf_evsel__output_resort_cb() so we have an interface with a
callback for each hist entry. It will be used in the following patch.
Signed-off-by: Jiri Olsa
Cc: Alexander Shishkin
Cc: Jin Yao
Cc: Kan Liang
Cc: Namhyung Kim
Cc: Peter Zijlstra
Link: http://lkml.kernel.org
From: Alexey Budankov
Allocate affinity option and masks for mmap data buffers and record
thread as well as initialize allocated objects.
Signed-off-by: Alexey Budankov
Reviewed-by: Jiri Olsa
Cc: Alexander Shishkin
Cc: Andi Kleen
Cc: Namhyung Kim
Cc: Peter Zijlstra
Link:
http://lkml.kerne
From: Leo Yan
Decoder provides last instruction related information, these information
can be used for trace analysis; specifically we can get to know what
kind of branch instruction has been executed, mainly the information are
contained in three element fields:
last_i_type: this is significa
From: Changbin Du
Add documentation for how to pass a BPF program as a perf event.
Signed-off-by: Changbin Du
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Peter Zijlstra
Link: http://lkml.kernel.org/r/20190201134651.12373-1-changbin...@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf
From: Jiri Olsa
Currently we make the annotation for the IPC column during the entry
display, already outside of the progress bar scope, so it appears like
'perf report' is stuck.
Move the annotation retrieval to the resort phase, so that all the data
are ready for display.
Signed-off-by: Jiri
From: Leo Yan
In the middle of trace stream, it might be interrupted thus the trace
data is not continuous, the trace stream firstly is ended for previous
trace block and restarted for next block.
To display related information for showing trace is restarted, this
patch set sample flags for trac
From: Leo Yan
The perf sample data contains flags to indicate the hardware trace data
is belonging to which type branch instruction, thus this can be used to
print out the human readable string. Arm CoreSight ETM sample data is
missed to set flags and it is always set to zeros, this results in p
From: Adrian Hunter
Kallsyms symbols do not have a size, so the size becomes the distance to
the next symbol.
Consequently the recently added trampoline symbols end up with large
sizes because the trampolines are some distance from one another and the
main kernel map.
However, symbols that end
From: Arnaldo Carvalho de Melo
>From the glibc sources, so that we can keep the tooling buildable in
older systems while using recent sched.h CPU_ macros.
Cc: Adrian Hunter
Cc: Alexander Shishkin
Cc: Alexey Budankov
Cc: Andi Kleen
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Peter Zijlstra
Link: ht
From: Adrian Hunter
CYC packet timestamp calculation depends upon CBR which was being
cleared upon overflow (OVF). That can cause errors due to failing to
synchronize with sideband events. Even if a CBR change has been lost,
the old CBR is still a better estimate than zero. So remove the clearing
From: Adrian Hunter
The timestamp can use useful to find part of a trace that has an error
without outputting all of the trace e.g. using the itrace 's' option to
skip initial number of events.
Signed-off-by: Adrian Hunter
Cc: Jiri Olsa
Link: http://lkml.kernel.org/r/20190206103947.15750-6-adr
From: Leo Yan
The exception taken and returning are typical flow for instruction jump
but it needs to be handled with exception packets. This patch is to set
sample flags for exception packet.
Since the exception packet contains the exception number, according to
the exception number this patch
From: Leo Yan
Add traceID in packet, thus we can use traceID to retrieve metadata
pointer from traceID-metadata tuple.
Signed-off-by: Leo Yan
Reviewed-by: Mathieu Poirier
Cc: Alexander Shishkin
Cc: Jiri Olsa
Cc: Mike Leach
Cc: Namhyung Kim
Cc: Robert Walker
Cc: Suzuki K Poulouse
Cc: core
From: Leo Yan
When return from exception, we need to distinguish if it's system call
return or for other type exceptions for setting sample flags. Due to
the exception return packet doesn't contain exception number, so we
cannot decide sample flags based on exception number.
On the other hand,
From: Adrian Hunter
The compiler might optimize a call/ret combination by making it a jmp.
However the thread-stack does not presently cater for that, so that such
control flow is not visible in the call graph. Make it visible by
recording on the stack a branch to the start of a different symbol.
From: Adrian Hunter
Data is copied when the trace is stopped, so packets are never split
between buffers except when processing if the buffer cannot fit in the
address space which can only happen on 32-bit systems. Change the logic
to reflect that.
Signed-off-by: Adrian Hunter
Cc: Jiri Olsa
Li
From: Leo Yan
If packet processing wants to know the packet is bound with which ETM
version, it needs to access metadata to decide that based on metadata
magic number; but we cannot simply to use CPU logic ID number as index
to access metadata sequential array, especially when system have
hotplug
From: Leo Yan
When an exception packet comes, it contains the information for
exception number; the exception number indicates the exception types, so
from it we can know if the exception is taken for interrupt, system call
or other traps, etc.
This patch simply adds a field in cs_etm_packet str
From: Adrian Hunter
Auxtrace records might have up to 7 bytes of padding appended. Adjust
the overlap accordingly.
Signed-off-by: Adrian Hunter
Cc: Jiri Olsa
Cc: sta...@vger.kernel.org
Link: http://lkml.kernel.org/r/20190206103947.15750-3-adrian.hun...@intel.com
Signed-off-by: Arnaldo Carvalho
From: Adrian Hunter
Define auxtrace record alignment so that it can be referenced elsewhere.
Note this is preparation for patch "perf intel-pt: Fix overlap calculation
for padding"
Signed-off-by: Adrian Hunter
Cc: Jiri Olsa
Cc: sta...@vger.kernel.org
Link: http://lkml.kernel.org/r/20190206103
On Wed, Feb 06, 2019 at 10:18:22AM -0800, Dmitry Torokhov wrote:
> On Tue, Feb 05, 2019 at 08:33:29PM -0500, Brian Masney wrote:
> > This patch adds device device tree bindings for the vibrator found on
> > the LG Nexus 5 (hammerhead) phone.
> >
> > Signed-off-by: Brian Masney
>
> This should go
From: Adrian Hunter
If 'cp' is checked in thread_stack__push_cp() a number of error checks
can be removed, reducing code size and improving readability.
Signed-off-by: Adrian Hunter
Acked-by: Jiri Olsa
Link: http://lkml.kernel.org/r/20190109091835.5570-3-adrian.hun...@intel.com
Signed-off-by:
On Wed, Feb 06, 2019 at 10:35:04AM -0800, Matthew Wilcox wrote:
> > Admittedly, I'm coming in late to this conversation, but did I miss the
> > portion where that alternative was ruled out?
>
> That's my preferred option too, but the preponderance of opinion leans
> towards "We can't give people
From: Adrian Hunter
Make thread_stack__no_call_return() more readable by adding more local
variables.
Signed-off-by: Adrian Hunter
Acked-by: Jiri Olsa
Link: http://lkml.kernel.org/r/20190109091835.5570-4-adrian.hun...@intel.com
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/util/thre
From: William Cohen
Fix incorrect event names for the Load_Miss_Real_Latency metric for
Cascadelake server in the same manner as commit 91b2b97025 for SKL/SKX.
Signed-off-by: William Cohen
Reviewed-by: Andi Kleen
Cc: Alexander Shishkin
Cc: Jiri Olsa
Cc: Namhyung Kim
Cc: Peter Zijlstra
Link
On Sat, Feb 02, 2019 at 04:18:03PM +0100, Paweł Chmiel wrote:
> From: Jonathan Bakker
>
> The driver can be cleaned up by using managed resource helpers
>
> Changes from v1:
> - Correct devm input unregistering
>
> Signed-off-by: Jonathan Bakker
> Signed-off-by: Paweł Chmiel
Applied, thank
On Sat, Feb 02, 2019 at 04:18:06PM +0100, Paweł Chmiel wrote:
> From: Jonathan Bakker
>
> Otherwise we introduce a race condition where userspace can request input
> before we're ready leading to null pointer dereference such as
>
> input: bma150 as /devices/platform/i2c-gpio-2/i2c-5/5-0038/inpu
From: Alexey Budankov
Allocate and bind AIO user space buffers to the memory nodes that mmap
kernel buffers are bound to.
Signed-off-by: Alexey Budankov
Reviewed-by: Jiri Olsa
Cc: Alexander Shishkin
Cc: Andi Kleen
Cc: Namhyung Kim
Cc: Peter Zijlstra
Link:
http://lkml.kernel.org/r/5a5adebc
From: Jiri Olsa
Add argument to hists__resort_cb_t so that we can pass data from upper
layers to the callback function. It will be used in the following
patches.
Signed-off-by: Jiri Olsa
Cc: Alexander Shishkin
Cc: Jin Yao
Cc: Kan Liang
Cc: Namhyung Kim
Cc: Peter Zijlstra
Link: http://lkml.
From: Mathieu Poirier
The communication of sink information for a trace session doesn't work
when more than on CPU is involved in the scenario due to the static
nature of sysfs. As such communicate the sink information to each event
by using the perf_event::attr:config2 attribute. The informati
From: Arnaldo Carvalho de Melo
To reduce the include header dependency tree and speed up perf builds.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-dngwaxuhfnhksawgdpo6e...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/arch/powe
From: Mathieu Poirier
Move definition of EVENT_SOURCE_DEVICE_PATH to pmu.h so that it can be
used by other files than pmu.c
Signed-off-by: Mathieu Poirier
Acked-by: Suzuki K Poulouse
Cc: Adrian Hunter
Cc: Alexander Shishkin
Cc: Alexei Starovoitov
Cc: Greg Kroah-Hartman
Cc: H. Peter Anvin
From: Arnaldo Carvalho de Melo
Nothing that is provided by callchain.h is used there, just things that
should've be directly included in hist.h, such as rbtree.h and a
map_symbol forward declaration.
Remove it so that we reduce the headers dependency tree.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc:
From: Arnaldo Carvalho de Melo
Its getting it from hist.h and that will go away, as that header doesn't
need callchain.h at all.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-6ebl3mwwiqocl79yts44q...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo
From: Arnaldo Carvalho de Melo
To reduce the includes dependencies.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-cmvg5ght75mmfg1efeyna...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo
---
tools/perf/ui/gtk/annotate.c | 1 +
tools/perf/util/au
From: Arnaldo Carvalho de Melo
Several places were using definitions found in symbols.h but not
including it, getting it by sheer luck from some other headers that now
are in the process of removing that include because they don't need it
or because simply having struct forward declarations is en
From: Arnaldo Carvalho de Melo
And since machine.h only needs what is in there, make it stop including
map.h and instead include this newly introduced map_groups.h instead.
Cc: Adrian Hunter
Cc: Jiri Olsa
Cc: Namhyung Kim
Link: https://lkml.kernel.org/n/tip-dbob25fv5rp2rjpwlnter...@git.kernel
The current comment for the barrier that guarantees that waiter
increment is always before taking the hb spinlock (barrier (A))
needs to be fixed. We are obviously referring to hb_waiters_inc,
which is a full barrier.
Reported-by: Peter Zijlstra
Signed-off-by: Davidlohr Bueso
---
kernel/futex.c
Commit 9178412ddf5a ("tracing: probeevent: Return consumed
bytes of dynamic area") improved the string fetching
mechanism by returning the number of required bytes after
copying the argument to the dynamic area. However, this
return value is now only used to increment the pointer
inside the dynamic
On Thu, 31 Jan 2019, Aneesh Kumar K.V wrote:
> I would be interested in this topic too. I would like to
> understand the API and how it can help exploit the different type of
> devices we have on OpenCAPI.
So am I. We may want to rethink the whole NUMA API and the way we handle
different types of
On Wed, Feb 06, 2019 at 09:45:39AM -0800, Florian Fainelli wrote:
> mlxsw implements SWITCHDEV_ATTR_ID_PORT_PARENT_ID and we want to get rid
> of switchdev_ops eventually, ease that migration by implementing a
> ndo_get_port_parent_id() function which returns what
> switchdev_port_attr_get() would
Quoting Matti Vaittinen (2018-12-07 03:10:15)
> clk-max77686 never clean clkdev lookup at remove. This can cause
> oops if clk-max77686 is removed and inserted again. Fix leak by
> using new devm clkdev lookup registration. Simplify also error
> path by using new devm_of_clk_add_hw_provider.
>
> S
Quoting Matti Vaittinen (2018-12-07 03:09:39)
> Clkdev registration lacks of managed registration functions and it
> seems few drivers do not drop clkdev lookups at exit. Add
> devm_clk_hw_register_clkdev and devm_clk_release_clkdev to ease lookup
> releasing at exit.
>
> Signed-off-by: Matti Vait
Quoting Matti Vaittinen (2018-12-07 03:10:51)
> Use devm based clkdev lookup registration to avoid leaking lookup
> structures.
>
> Signed-off-by: Matti Vaittinen
> ---
Applied to clk-next
On Mon, Feb 04, 2019 at 08:58:58PM +0100, Daniel Bristot de Oliveira wrote:
> text_poke_bp() updates instructions on live kernel on SMP in three steps:
> 1) add a int3 trap to the address that will be patched
> 2) update all but the first byte of the patched range
> 3) replace the first byte (in
Hi Dmitry,
On 2/5/19 11:20 PM, Dmitry Torokhov wrote:
Updating LED state requires access to regmap and therefore we may sleep, so
we could not do that directly form set_brightness() method. Historically
we used private work to adjust the brightness, but with the introduction of
set_brightness_bl
On Wed, Feb 06, 2019 at 09:45:46AM -0800, Florian Fainelli wrote:
> Now that we have a dedicated NDO for getting a port's parent ID, get rid
> of SWITCHDEV_ATTR_ID_PORT_PARENT_ID and convert all callers to use the
> NDO exclusively. This is a preliminary change to getting rid of
> switchdev_ops eve
On Wed, Feb 06, 2019 at 09:45:35AM -0800, Florian Fainelli wrote:
> In preparation for getting rid of switchdev_ops, create a dedicated NDO
> operation for getting the port's parent identifier. There are
> essentially two classes of drivers that need to implement getting the
> port's parent ID whic
The Kconfig currently controlling compilation of this code is:
drivers/mfd/Kconfig:config MFD_TPS68470
drivers/mfd/Kconfig:bool "TI TPS68470 Power Management / LED chips"
...meaning that it currently is not being built as a module by anyone.
Hence we remove the MODULE_DEVICE_TABLE since it i
Hi Enric,
On Fri, Feb 01, 2019 at 10:41:33AM +0100, Enric Balletbo i Serra wrote:
> Update the git tree URL for Chrome Platform drivers to point to a Chrome
> Platform Group managed URL.
>
> Signed-off-by: Enric Balletbo i Serra
Looks good to me. Applied to our chrome-platform-5.1 branch.
> --
Tegra194 allows max of 64K bytes and Tegra186 and prior allows
max of 4K bytes of transfer per packet.
one sec timeout is not enough for transfers more than 10K bytes
at STD bus rate.
This patch updates I2C transfer timeout based on the transfer size
and I2C bus rate to allow enough time during m
Bus clear feature of Tegra I2C controller helps to recover from
bus hang when I2C master loses the bus arbitration due to the
slave device holding SDA LOW continuously for some unknown reasons.
Per I2C specification, the device that held the bus LOW should
release it within 9 clock pulses.
During
This patch adds DMA support for Tegra I2C.
Tegra I2C TX and RX FIFO depth is 8 words. PIO mode is used for
transfer size of the max FIFO depth and DMA mode is used for
transfer size higher than max FIFO depth to save CPU overhead.
PIO mode needs full intervention of CPU to fill or empty FIFO's
an
On Wed, 6 Feb 2019, Doug Ledford wrote:
> > Most of the cases we want revoke for are things like truncate().
> > Shouldn't happen with a sane system, but we're trying to avoid users
> > doing awful things like being able to DMA to pages that are now part of
> > a different file.
>
> Why is the sol
This patch sorts all the include headers alphabetically for the
I2C Tegra driver.
Acked-by: Thierry Reding
Reviewed-by: Dmitry Osipenko
Signed-off-by: Sowjanya Komatineni
---
[V9/V10/V11/V12/V13/V14] : Rebased to 5.0-rc4
[V3/V4/V5/V7/V8] : Removed unsued headers in tegra I2C
[V2]
This patch adds I2C interface timing registers support for
proper bus rate configuration along with meeting the i2c spec
setup and hold times based on the tuning performed on Tegra210,
Tegra186 and Tegra194 platforms.
I2C_INTERFACE_TIMING_0 register contains TLOW and THIGH field
and Tegra I2C cont
Quoting Jiaxun Yang (2019-01-31 22:35:39)
> This patch add of support by split the clk_hw register and
> clkdev register, then handle the of clk_hw via
> of_clk_hw_onecell_get.
>
> Signed-off-by: Jiaxun Yang
Why though? There isn't any motivation here.
> ---
> drivers/clk/loongson1/clk-loongso
Quoting Jiaxun Yang (2019-01-31 22:35:38)
> diff --git a/drivers/clk/loongson1/Kconfig b/drivers/clk/loongson1/Kconfig
> new file mode 100644
> index ..e2220332d797
> --- /dev/null
> +++ b/drivers/clk/loongson1/Kconfig
> @@ -0,0 +1,27 @@
> +menu "Loongson-1 Clock drivers"
> + depe
Quoting Yizhuo (2019-01-26 21:10:12)
> In function gemini_clk_probe(), local variable "val" could
> be uninitialized if function regmap_read() returns -EINVAL.
> However, it will be used as index in the later context, which
> could potentially be unsafe.
Ok. How did you find this? Any pointers?
>
On Wed, Feb 06, 2019 at 10:53:07AM -0800, Dmitry Torokhov wrote:
> On Sat, Feb 02, 2019 at 04:18:06PM +0100, Paweł Chmiel wrote:
> > From: Jonathan Bakker
> >
> > Otherwise we introduce a race condition where userspace can request input
> > before we're ready leading to null pointer dereference s
Hi,
I just realized I replied to this off-list.
On 01/30/2019 12:02 PM, Andre Przywara wrote:
On Fri, 25 Jan 2019 12:07:00 -0600
Jeremy Linton wrote:
Hi,
For a while Arm64 has been capable of force enabling
or disabling the kpti mitigations. Lets make sure the
documentation reflects that.
On Wed, Feb 06, 2019 at 11:44:36AM +, Rantala, Tommi T. (Nokia - FI/Espoo)
wrote:
Hi stable maintainers,
Can you consider including these "random" patches in 4.14.y?
These are very useful in fixing esp. first-bootup delays of VMs due to
entropy starvation.
commit 39a8883a2b989d1d21bd8dd9
On Wed, Feb 06, 2019 at 06:39:59PM +0100, Enric Balletbo i Serra wrote:
> From: Guenter Roeck
>
> While ioctls normally return a negative error or 0 on success, this is not
> the case for CROS_EC_DEV_IOCXCMD in the cros_ec driver, which returns the
> number of bytes read instead. However, CROS_EC
On Wed, 2019-02-06 at 05:16 -0800, Paul E. McKenney wrote:
> Hello!
Hi.
> This series makes SPDX and email-address changes to RCU source files.
.h files are supposed to use /* SPDX-License-Identifier: ... */
Documentation/process/license-rules.rst: C source: //
SPDX-License-Identifier:
D
Remove the list of broken tests on VKMS solved by patchset
https://patchwork.freedesktop.org/series/55994/
Signed-off-by: Shayenne Moura
---
Documentation/gpu/vkms.rst | 11 ---
1 file changed, 11 deletions(-)
diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst
index 7d
On Tue, Jan 29, 2019 at 02:10:00PM -0500, Lyude Paul wrote:
> We have a bad habit of calling drm_fb_helper_hotplug_event() far more
> then we actually need to. MST appears to be one of these cases, where we
> call drm_fb_helper_hotplug_event() if we fail to resume a connected MST
> topology in inte
The following changes since commit 49a57857aeea06ca831043acbb0fa5e0f50602fd:
Linux 5.0-rc3 (2019-01-21 13:14:44 +1300)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git tags/for_linus
for you to fetch changes up to 9c0644ee4aa8792f1e60a2b014
On Tue, Jan 29, 2019 at 02:10:01PM -0500, Lyude Paul wrote:
> This hotplug also isn't needed: drm_dp_mst_topology_mgr_set_mst()
> already sends a hotplug on its own from drm_dp_destroy_connector_work()
> after destroying connectors in the MST topology.
>
> Signed-off-by: Lyude Paul
> Cc: Imre Dea
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