This patch introduces basic facilities to support config different
slots in a BPF map one by one.
array.nr_ranges and array.ranges are introduced into 'struct
parse_events_term', where ranges is an array of indices range (start,
length) which will be configured by this config term. nr_ranges
is th
Hi Arnaldo,
The following changes since commit 512e583b2d4a35b644c8ff36e033b90be7e91c2e:
perf hists browser: Offer non-symbol specific menu options for --sort without
'sym' (2016-01-22 14:28:48 -0300)
are available in the git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/p
Copying perf to old kernel system results:
# perf test bpf
37: Test BPF filter :
37.1: Test basic BPF filtering : FAILED!
37.2: Test BPF prologue generation : Skip
However, in case when kernel doe
Put feature checkers not in original FEATURE_TESTS to a new list
and allow subproject select all feature checkers by setting
FEATURE_TESTS to 'all'.
Signed-off-by: Wang Nan
Cc: Jiri Olsa
Cc: Arnaldo Carvalho de Melo
Cc: Namhyung Kim
---
tools/build/Makefile.feature | 21 -
This options append current timestamp to output. For example:
# perf record -a --timestamp-filename
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Dump perf.data.2015122622265847 ]
[ perf record: Captured and wrote 0.742 MB perf.data (90 samples) ]
# ls
perf.data.2015122622
Create record__synthesize(). It can be used to create tracking events
for each perf.data after perf supporting splitting into multiple
outputs.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: p
perf_evlist__mmap_ex() can fail without setting errno (for example,
fail in condition checking. In this case all syscall is success).
If this happen, record__open() incorrectly returns 0. Force setting
rc is a quick way to avoid this problem, or we have to follow all
possible code path in perf_evli
perf_evsel__pause() is introduced to pause a ring buffer. Since output
of a evsel is bound together, ioctl() on the first file is enough.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or..
Before this patch tracking events are generated based on information in
/proc before all samples. However, with the introducing of overwrite
evsel in perf record, it becomes inconvenience: 'perf record' now can
executed as a daemon for sereval hours and only capture the last
snapshot when it receiv
By creating onward and backward specific overflow handlers and setting
them according to event's backward setting, normal sampling events
don't need checking backward setting of an event any more.
This is the last patch of backward writing patchset. After this patch,
there's no extra overhead intr
This patch introduce a new syntax to perf event parser:
# perf record -e './test_bpf_map_3.c/maps:channel.value[0,1,2,3...5]=101/'
usleep 2
By utilizing the basic facilities in bpf-loader.c which allow setting
different slots in a BPF map separately, the newly introduced syntax
allows perf to c
If write_backward attribute is set, records are written into kernel
ring buffer from end to beginning, but read from beginning to end.
To avoid 'XX out of order events recorded' warning message (timestamps
of records is in reverse order when using write_backward), suppress the
warning message if wr
bpf__apply_obj_config() is introduced as the core API to apply object
config options to all BPF objects. This patch also does the real work
for setting values for BPF_MAP_TYPE_PERF_ARRAY maps by inserting value
stored in map's private field into the BPF map.
This patch is required because we are n
Am Sonntag, den 24.01.2016, 01:19 +0900 schrieb Masahiro Yamada:
> The newly added hisilicon reset driver missed the subsystem-wide
> fixup by commit d1f15aa09558 ("reset: check return value of
> reset_controller_register()"). So fix it now.
>
> Signed-off-by: Masahiro Yamada
> ---
>
> drivers
Print write_backward setting when printing perf evsel.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or...@163.com
---
tools/perf/util/evsel.c | 1 +
1 file changed, 1 insertion(+)
diff
Tracking events describe kernel and threads. They are generated by
reading /proc/kallsyms, /proc/*/maps and /proc/*/task/* during
initialization of 'perf record', serialized into event sequences and put
at the head of 'perf.data'. In case of output switching, each output
file should contain those e
Reading from a overwrite ring buffer is unrelible. perf_evsel__pause()
should be called before reading from them.
Toggel overwrite_evt_paused director after receiving done or switch
output.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami H
Without this patch, the last output doesn't have timestamp appended if
--timestamp-filename is not explicitly provided. For example:
# perf record -a --switch-output &
[1] 11224
# kill -s SIGUSR2 11224
[ perf record: dump data: Woken up 1 times ]
# [ perf record: Dump perf.data.20151226223728
Allow 'perf record' splits its output into multiple files.
For example:
# ~/perf record -a --timestamp-filename --switch-output &
[1] 10763
# kill -s SIGUSR2 10763
[ perf record: dump data: Woken up 1 times ]
# [ perf record: Dump perf.data.2015122622314468 ]
# kill -s SIGUSR2 10763
[ per
On Mon, Jan 25, 2016 at 10:45:50AM +0100, Christian Borntraeger wrote:
> >> +By default this option will be almost for free and can be activated
> >> +in distribution kernels. The overhead and the debugging can be enabled
> >> +by DEBUG_PAGEALLOC_ENABLE_DEFAULT or the debug_pagealloc co
write_backward attribute makes kernel filling ring buffer from the end
of it, makes reading from overwrite ring buffer possible.
This patch select this attribute if evsel->overwrite is selected
explicitly by user.
Overwrite and write_backward are still controled separatly for legacy
readonly mmap
In the generic read paths the kernel looks up a page in the page cache
and if it's up to date, it is used. If not, the page lock is acquired to
wait for IO to complete and then check the page. If multiple processes
are waiting on IO, they all serialise against the lock and duplicate the
checks. Th
Convert perf_output_begin to __perf_output_begin and make the later
function able to write records from the end of the ring buffer.
Following commits will utilize the 'backward' flag.
This patch doesn't introduce any extra performance overhead since we
use always_inline.
Signed-off-by: Wang Nan
A long time ago there was an attempt to merge a patch that reduced the
cost of unlock_page by avoiding the page_waitqueue lookup if there were no
waiters. It was rejected on the grounds of complexity but it was pointed
out that the read paths call lock_page unnecessarily. This series reduces
the nu
is_pos only useful for tracking events (fork, mmap, exit, ...).
Perf collects those events through evsel with 'tracking' set.
Therefore, there's no need to validate every is_pos against
evlist->is_pos.
This patch is required after perf support PERF_SAMPLE_TAILSIZE.
Since there an extra u64 at the
On Sun, Jan 24, 2016 at 01:11:03AM +0100, Florian Westphal wrote:
> Daniel Borkmann wrote:
> > On 01/23/2016 08:25 PM, Florian Westphal wrote:
> > >Dmitry Vyukov wrote:
> > >
> > >[ CC nf-devel, not sure if its nfnetlink fault or NETLINK_MMAP ]
> > >
> > >>The following program causes GPF in netl
do_read_cache_page and __read_cache_page duplicates page filler code
when filling the page for the first time. This patch simply removes the
duplicate logic.
Signed-off-by: Mel Gorman
---
mm/filemap.c | 43 ---
1 file changed, 12 insertions(+), 31 deletion
'perf record' knows whether buildid cache is enabled (via
--no-no-buildid-cache) deliberately. Buildid cache can be turned off
in some situations.
Output switching support needs this feature to turn off buildid cache
by default.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carval
auxtrace_snapshot_enable has only two states (0/1). Turns it into a
triple states enum so SIGUSR2 handler can safely do other works without
triggering auxtrace snapshot.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyun
Set a default event->overflow_handler in perf_event_alloc() so don't
need checking event->overflow_handler in __perf_event_overflow().
Following commits can give a different default overflow_handler.
No extra performance introduced into hot path because in the original
code we still need reading t
perf_data_file__switch() closes current output file, renames it, then
open a new one to continue record. It will be used by perf record
to split output into multiple perf.data files.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Move code for finalizing 'perf.data' to record__finish_output(). It
will be used by following commits to split output to multiple files.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or...
schedstats is very useful during debugging and performance tuning but it
incurs overhead. As such, even though it can be disabled at build time,
it is often enabled as the information is useful. This patch adds a
kernel command-line and sysctl tunable to enable or disable schedstats on
demand. It
With 'perf record --switch-output' without -a, record__synthesize() in
record__switch_output() won't generate tracking events because there's
no thread_map in evlist. Which causes newly created perf.data doesn't
contain map and comm information.
This patch creates a fake thread_map and directly ca
ordered_events__free() leaves linked lists and timestamps not cleared,
so unable to be reused after ordered_events__free(). Which is inconvenient
after 'perf record' supports generating multiple perf.data output and
process build-ids for each of them.
Calls ordered_events__init() in ordered_events
Cost of buildid cache processing is high: read all events in output
perf.data, open elf files to read buildid then copy them into
~/.debug directory. In switch output mode, causes perf stop receiving
from perf events for too long.
Enable no-buildid and no-buildid-cache by default if --switch-outpu
Reading from overwritable ring buffer is unreliable. Introduce
record__mmap_should_read() and prevent reading from overwrite ring
buffer in 'perf record'. The rule in record__mmap_should_read() will
be changed when perf support reading from backward writing ring buffer.
Signed-off-by: Wang Nan
Si
On 23.01.16 17:39:23, Hanjun Guo wrote:
> Rework numa_add_memblk() to update the parameter "u64 size"
> to "u64 end", this will make it consistent with x86 and
> can simplify the code later.
> --- a/arch/arm64/kernel/of_numa.c
> +++ b/arch/arm64/kernel/of_numa.c
> @@ -168,7 +168,7 @@ static int __
On 01/25/2016 11:02 AM, Heiko Carstens wrote:
> On Mon, Jan 25, 2016 at 10:45:50AM +0100, Christian Borntraeger wrote:
+By default this option will be almost for free and can be activated
+in distribution kernels. The overhead and the debugging can be enabled
+by DEBUG_PA
perf_evlist__channel_find() can be used to find a proper channel based
on propreties of a evsel. If the channel doesn't exist, it can create
new one for it. After this patch there's no need to create default
channel explicitly.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho
On Mon, Jan 25, 2016 at 04:46:03PM +1100, Michael Ellerman wrote:
> On Thu, 2016-21-01 at 07:35:08 UTC, Alexey Kardashevskiy wrote:
> > This makes vmalloc_to_phys() public as there will be another user
> > (in-kernel VFIO acceleration) for it soon.
> >
> > As a part of future little optimization,
On Mon, Jan 25, 2016 at 09:30:47AM +, Singhal, Maneesh wrote:
> Thanks Johannes for generously reviewing my patch. It indeed is going to
> improve the thing a lot. I agree with all your comments so far, and will
> submit a newer patch soon.
> Since this is my first patch, I have couple of qu
Timestamp generation becomes a public available helper. Which will
be used by 'perf record', help it output to split output file based
on time.
For example:
perf.data.2015122620363710
perf.data.2015122620364092
perf.data.2015122620365423
...
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
When record__mmap_read() requires data more than the size of ring
buffer, drop those data to avoid accessing invalid memory.
This can happen when reading from overwritable ring buffer, which
should be avoided. However, check this for robustness.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
C
bpf_perf_event_output() outputs data through sample->raw_data. This
patch adds support to convert those data into CTF. A python script
then can be used to process output data from BPF programs.
Test result:
# cat ./test_bpf_output_2.c
/ BEGIN **/
In perf_event_attr a new bit 'write_backward' is appended to indicate
this event should write ring buffer from its end to beginning.
In perf_output_begin(), prepare ring buffer according this bit.
This patch introduces small overhead into perf_output_begin():
an extra memory read and a conditiona
From: He Kuang
This patch is useful when trying to pass a perf event to BPF map.
Before this patch we are unable to pass an event with config term to
BPF maps. For example:
# perf record -a -e cycles/no-inherit,period=0x7fff/ \
-e
'./test_bpf_map_2.c/maps:pmu_map.
In this commit sereval helpers are introduced to support the principle
of channel. Channels hold different groups of evsels which configured
differently. It will be used for overwritable evsels, which allows perf
record some events continuously while capture snapshot for other events
when something
Add new ioctl() to pause/resume ring-buffer output.
In some situations we want to read from ring buffer only when we
ensure nothing can write to the ring buffer during reading. Without
this patch we have to turn off all events attached to this ring buffer
to achieve this.
This patch is for suppor
There's no need to receive events from overwrite ring buffer. Instead,
perf should make them run background until something happen. This patch
makes events from overwrite ring buffer is ignored except POLLERR and
POLLHUP.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Me
A new syntax is appended into parser so user can pass predefined perf
events into BPF objects.
After this patch, BPF programs for perf are finally able to utilize
bpf_perf_event_read() introduced in commit 35578d7984003097af2b1e3
(bpf: Implement function bpf_perf_event_read() that get the selected
This patch allows following config terms and option:
# perf record --overwrite ...
Globally set following events to overwrite;
# perf record --event cycles/overwrite/ ...
# perf record --event cycles/no-overwrite/ ...
Set specific events to be overwrite or no-overwrite.
Signed-off-by: Wa
Will Deacon [1] has some question on patch [2]. This patch improves
test__bp_signal so we can test:
1. A watchpoint and a breakpoint that fire on the same instruction
2. Nested signals
Test result:
On x86_64 and ARM64 (result are similar with patch [2] on ARM64):
# ./perf test -v signal
17
Introduce rb_find_range() to find start and end position from a backward
ring buffer.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or...@163.com
---
tools/perf/builtin-record.c | 69
Detect avalibility of write_backward and save the result into
record_opts. With write_backward the start pointer of a ring
buffer mapped read only can be found reliably.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyun
bpf__config_obj() is introduced as a core API to config BPF object
after loading. One configuration option of maps is introduced. After
this patch BPF object can accept configuration like:
maps:my_map.value=1234
(maps.my_map.value looks pretty. However, there's a small but hard
to fixed problem
record__mmap_read() write data from ring buffer into perf.data.
'head' is maintained by kernel, points to the last writtend record.
'old' is maintained by perf, points to the record read in previous
round. record__mmap_read() saves data from 'old' to 'head' to
perf.data. The naming of variables are
There's a bug in LLVM that it can generate unneeded relocation
information. See [1] and [2]. Libbpf should check the target section
of a relocation symbol.
This patch adds a testcase which reference a global variable (BPF
doesn't support global variable). Before fixing libbpf, the new test
case ca
Make 'overwrite' a channel configuration other than a evlist global
option. With this setting an evlist can have two channels, one is
normal channel, another is overwritable channel.
perf_evlist__channel_for_evsel() ensures events with 'overwrite'
configuration inserted to overwritable channel.
Si
This patch adds the final step for BPF map configuration. A new syntax
is appended into parser so user can config BPF objects through '/' '/'
enclosed config terms.
After this patch, following syntax is available:
# perf record -e ./test_bpf_map_1.c/maps:channel.value=10/ ...
It would takes eff
To prevent feature check run too many times, this patch utilizes
previous introduced feature-dump make target and FEATURES_DUMP
variable, makes sure the feature checkers run only once when doing
build-test for normal test cases.
Signed-off-by: Wang Nan
Cc: Jiri Olsa
Cc: Arnaldo Carvalho de Melo
Hi,
Am Montag, 25. Januar 2016, 08:55:59 schrieb Zhang Qing:
> From: zhangqing
>
> modify edp_24m parent select bit.
> enable CLK_SET_RATE_PARENT flag for spdif_8ch and i2s_2ch.
>
> zhangqing (3):
> clk: rockchip: rk3368: fix edp_24m parent
> clk: rockchip: rk3368: enable the CLK_SET_RATE_P
Libbpf should check target section before doing relocation to ensure
the relocation is correct. If not, a bug in LLVM causes error. See [1].
Also, if an incorrect BPF script uses both global variable and
map, global variable whould be treated as map and be relocated
without error.
This patch saves
MT6323 has the INT_CON and INT_STATUS located at a different position.
Make the registers locations configurable.
Signed-off-by: John Crispin
---
drivers/mfd/mt6397-core.c | 27 +--
include/linux/mfd/mt6397/core.h |2 ++
2 files changed, 19 insertions(+), 10 d
Signed-off-by: John Crispin
Cc: devicet...@vger.kernel.org
---
Documentation/devicetree/bindings/mfd/mt6397.txt | 10 ++
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt
b/Documentation/devicetree/bindings/mfd/mt6397.txt
ind
Before this patch, if a sample is triggered inside an offline module
(module not in /lib/modules/`uname -r`/), even if the module is in
buildid-cache, 'perf report' is still unable to get correct symbol.
For example:
# rm -rf ~/.debug/
# perf buildid-cache -a ./mymodule.ko
# perf probe -m ./mym
Signed-off-by: John Crispin
---
drivers/mfd/mt6397-core.c | 38 +++---
1 file changed, 31 insertions(+), 7 deletions(-)
diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 75ad0fe..51e194b 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers
Changes in V2:
* send to proper maintainer
* add more people in Cc
John Crispin (4):
dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMIC
mfd: mediatek: int_con and int_status may vary in location
mfd: mediatek: add support for different Slave types
mfd: mediatek: add MT6323 support
Signed-off-by: John Crispin
---
drivers/mfd/mt6397-core.c| 20 ++
include/linux/mfd/mt6323/core.h | 42
include/linux/mfd/mt6323/registers.h | 414 ++
3 files changed, 476 insertions(+)
create mode 100644 include/linux/mfd/mt6323/core.h
Thanks a lot for detailed information. Appreciate it !
Regards
Maneesh
> -Original Message-
> From: Johannes Thumshirn [mailto:jthumsh...@suse.de]
> Sent: Monday, January 25, 2016 3:39 PM
> To: Singhal, Maneesh
> Cc: linux-s...@vger.kernel.org; linux-kernel@vger.kernel.org;
> jbottom...@o
Set FEATURE_TESTS to 'all' so all possible feature checkers are
executed. Without this setting the output feature dump file miss
some feature, for example, liberity. Select all checker so we won't
get an incomplete feature dump file.
Signed-off-by: Wang Nan
Cc: Jiri Olsa
Cc: Arnaldo Carvalho de
Before this patch perf operates on only the first channel. Make perf
mmap and read from multiple channels.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or...@163.com
---
tools/perf/built
On Mon, Jan 25, 2016 at 06:03:41PM +0800, Herbert Xu wrote:
> On Sun, Jan 24, 2016 at 01:11:03AM +0100, Florian Westphal wrote:
> > Daniel Borkmann wrote:
> > > On 01/23/2016 08:25 PM, Florian Westphal wrote:
> > > >Dmitry Vyukov wrote:
> > > >
> > > >[ CC nf-devel, not sure if its nfnetlink faul
On Mon, 25 Jan 2016 10:40:14 +0100,
Michael Ellerman wrote:
>
> On Mon, 2016-01-25 at 10:29 +0100, Takashi Iwai wrote:
> > On Fri, 22 Jan 2016 03:40:45 +0100, Stephen Rothwell wrote:
> > > diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
> > > index 50693c867e71..ee5f36b9c787 10064
El 22/01/16 a les 22.35, Boris Ostrovsky ha escrit:
> HVMlite guests need PCI frontend and always have PV devices
We still haven't discussed how to perform pci-passthrough for HVMlite
guests. I admit there's a big chance that we are going to use the PV
pcifront driver but there's no guarantee abou
On 23.01.16 17:39:20, Hanjun Guo wrote:
> diff --git a/arch/arm64/kernel/acpi_numa.c b/arch/arm64/kernel/acpi_numa.c
> new file mode 100644
> index 000..f7f7533
> --- /dev/null
> +++ b/arch/arm64/kernel/acpi_numa.c
> +/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */
On 23.01.16 17:39:27, Hanjun Guo wrote:
> From: Hanjun Guo
>
> After the cleanup for acpi_numa_memory_affinity_init(),
> it can be used for architetures both x86 and arm64, since
> CONFIG_MEMORY_HOTPLUG is not enabled for arm64, so no
> worry about that.
>
> Signed-off-by: Hanjun Guo
> ---
> a
El 23/01/16 a les 17.12, Konrad Rzeszutek Wilk ha escrit:
> On January 23, 2016 11:01:06 AM EST, "H. Peter Anvin" wrote:
>> On January 23, 2016 7:34:33 AM PST, Konrad Rzeszutek Wilk
>> wrote:
>>>
However, this stub belongs in Linux, not in the Xen toolstack. That
way, when the Linux bo
Andy Shevchenko writes:
> On Mon, 2016-01-25 at 07:32 +, Vineet Gupta wrote:
>> On Monday 25 January 2016 12:55 AM, Mans Rullgard wrote:
>> > From: Andy Shevchenko
>> >
>> > There are several changes are done here:
>> >
>> > - Convert the property to be in bytes
>> >
>> > Much more co
Hi Shawn,
Am Montag, 25. Januar 2016, 15:33:43 schrieb Shawn Lin:
> Add tuning clk for emmc and sdmmc, otherwise I get
> the following failure while enabling mmc-hs200-1_8v.
>
> dwmmc_rockchip ff0f.dwmmc: Tuning clock (sample_clk) not defined.
> mmc0: tuning execution failed
> mmc0: error -5
On Mon, 2016-01-25 at 10:31 +, Måns Rullgård wrote:
> Andy Shevchenko writes:
>
> > On Mon, 2016-01-25 at 07:32 +, Vineet Gupta wrote:
> > > On Monday 25 January 2016 12:55 AM, Mans Rullgard wrote:
> > > > --- a/Documentation/devicetree/bindings/dma/snps-dma.txt
> > > > +++ b/Documentati
On Sun, 2016-01-24 at 19:21 +, Mans Rullgard wrote:
> This patch series contains a number of mostly minor fixes and
> cleanups
> for the DW DMA driver. A couple of them affect the DT binding so
> these
> may need to be updated to maintain compatibility. The rest should be
> relatively straigh
On Mon, Jan 25, 2016 at 10:29:54AM +0100, Takashi Iwai wrote:
> On Fri, 22 Jan 2016 03:40:45 +0100,
> Stephen Rothwell wrote:
> >
> > Hi all,
> >
> > On Fri, 22 Jan 2016 11:24:42 +1100 Stephen Rothwell
> > wrote:
> > >
> > > On Thu, 21 Jan 2016 07:38:59 +1100 Stephen Rothwell
> > > wrote:
> >
Hi Alan,
Am 24.01.2016 um 18:10 schrieb One Thousand Gnomes :
>>> but by having only the
>>> minimum necessary in the kernel. Unix
>>
>> I think you are confusing it with the goals of microkernels (e.g. Mach or
>> Hurd).
>
> No and the quote below is from Doug McIlroy - who amongst other thi
Based on the MT6397 binding documentation.
Signed-off-by: John Crispin
Cc: devicet...@vger.kernel.org
---
.../bindings/regulator/mt6323-regulator.txt| 241
1 file changed, 241 insertions(+)
create mode 100644
Documentation/devicetree/bindings/regulator/mt6323-regu
From: Chen Zhong
The MT6323 is a regulator found on boards based on MediaTek MT7623 and
probably other SoCs. It is a so called pmic and connects as a slave to
SoC using SPI, wrapped inside the pmic-wrapper.
Signed-off-by: Chen Zhong
Signed-off-by: John Crispin
---
drivers/regulator/Kconfig
This patchset adds following functions for tegra_soctherm driver:
1. add T210 support.
2. export debugfs to show some registers.
3. add thermtrip funciton.
4. add suspend/resume function.
The V3 serial is in:
http://www.spinics.net/lists/linux-tegra/msg24911.html
The V2 serial is in:
http://www.sp
Move Tegra soctherm driver to tegra directory, it's easy to maintain
and add more new function support for Tegra platforms.
This will also help to split soctherm driver into common parts and
chip specific data related parts.
Signed-off-by: Wei Ni
---
drivers/thermal/Kconfig
Get rid of T124-specific PDIV/HOTSPOT hack.
tegra-soctherm.c contained a hack to set the SENSOR_PDIV and
SENSOR_HOTSPOT_OFFSET registers - it just did two writes of
T124-specific opaque values. Convert these into a form that can be
substituted on a per-chip basis, and into structure fields that ha
Combine sensor group-related data structures into struct
tegra_tsensor_group. This provides a single location for
sensor group data storage.
More sensor group data will be added in subsequent patches.
Signed-off-by: Wei Ni
---
drivers/thermal/tegra/tegra-soctherm.c | 147 +++
Commit 4b94ffdc4163 ("x86, mm: introduce vmem_altmap to augment
vmemmap_populate()"), introduced the to_vmem_altmap() function.
The comments in this function contain two typos (one misspelling
of the Kconfig option CONFIG_SPARSEMEM_VMEMMAP, and one missing
letter 'n'), let's fix them up.
Signed-o
Split most of the Tegra124 data and code into a Tegra124-specific
file.
Split most of the fuse-related code into a fuse-related source file.
This is in preparation for adding a Tegra210-specific driver in a
future patch.
Beyond the maintainability improvements, this is intended to separate
chip-sp
On Mon, 25 Jan 2016 11:41:12 +0100,
Vinod Koul wrote:
>
> On Mon, Jan 25, 2016 at 10:29:54AM +0100, Takashi Iwai wrote:
> > On Fri, 22 Jan 2016 03:40:45 +0100,
> > Stephen Rothwell wrote:
> > >
> > > Hi all,
> > >
> > > On Fri, 22 Jan 2016 11:24:42 +1100 Stephen Rothwell
> > > wrote:
> > > >
>
Add a debugfs interface to show register contents for debug.
Signed-off-by: Wei Ni
---
drivers/thermal/tegra/soctherm.c | 143 ++-
drivers/thermal/tegra/soctherm.h | 2 +
2 files changed, 142 insertions(+), 3 deletions(-)
diff --git a/drivers/thermal/tegra/
Add Tegra210 specific SOC_THERM driver.
Signed-off-by: Wei Ni
---
drivers/thermal/tegra/Makefile| 1 +
drivers/thermal/tegra/soctherm-fuse.c | 11 ++
drivers/thermal/tegra/soctherm.c | 6 ++
drivers/thermal/tegra/soctherm.h | 4 +
drivers/thermal/tegra/te
On Mon, Jan 25, 2016 at 10:29:54AM +0100, Takashi Iwai wrote:
> On Fri, 22 Jan 2016 03:40:45 +0100,
> Stephen Rothwell wrote:
> >
> > Hi all,
> >
> > On Fri, 22 Jan 2016 11:24:42 +1100 Stephen Rothwell
> > wrote:
> > >
> > > On Thu, 21 Jan 2016 07:38:59 +1100 Stephen Rothwell
> > > wrote:
> >
Add support for hardware critical thermal limits to the SOC_THERM
driver. This is implemented outside the Linux thermal framework.
If these limits are breached, the chip will reset, and if appropriately
configured, will turn off the PMIC.
This support is critical for safe usage of the chip.
Sign
On a Radxa Rock2 board with a Ampak AP6335 (Broadcom 4339 core) it seems
the card responds very quickly most of the time, unfortunately during
initialisation it sometimes seems to take just a bit over 2 seconds to
respond.
This results intialization failing with message like:
brcmf_c_preinit_dcm
On Sun, 24 Jan 2016 10:44:34 +0100,
Dmitry Vyukov wrote:
>
> Hello,
>
> While running syzkaller fuzzer I've got the following lockdep report:
>
> ==
> [ INFO: possible circular locking dependency detected ]
> 4.4.0+ #276 Not tainted
> -
Set cpu and gpu's thermtrip temperatures for Tegra124.
Signed-off-by: Wei Ni
---
arch/arm/boot/dts/tegra124.dtsi | 9 +
1 file changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 68669f791c8b..48de23e41ca4 100644
--- a/arch/arm/b
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