From: "Steven Rostedt (VMware)"
Have the trace_array that associates the trace instance of the histogram
passed around to functions so that error handling can display the error
message in the proper instance.
Reviewed-by: Tom Zanussi
Tested-by: Tom Zanussi
Signed-off-by: Steven Rostedt (VMware
From: Tom Zanussi
Error handling has been moved to the common tracing/error_log, so this
test is no longer valid.
Link:
http://lkml.kernel.org/r/876a98b21018814cbf46f0a3605ae0906c51d53c.1554072478.git.tom.zanu...@linux.intel.com
Acked-by: Masami Hiramatsu
Acked-by: Namhyung Kim
Signed-off-by
From: Tom Zanussi
Add brief blurb about error_log to the 'Important files' section.
Link:
http://lkml.kernel.org/r/c81e60f9aded495081231a32d2d1023c4d043a7a.1554072478.git.tom.zanu...@linux.intel.com
Acked-by: Masami Hiramatsu
Acked-by: Namhyung Kim
Signed-off-by: Tom Zanussi
Signed-off-by:
From: Masami Hiramatsu
Use tracing error_log with probe events for logging error more
precisely. This also makes all parse error returns -EINVAL
(except for -ENOMEM), because user can see better error message
in error_log file now.
Link:
http://lkml.kernel.org/r/6a4d90e141d138040ea61f4776b99159
From: Yafang Shao
Sometimes we want to define a tracepoint as a do-nothing function.
So I introduce TRACE_EVENT_NOP, DECLARE_EVENT_CLASS_NOP and
DEFINE_EVENT_NOP for this kind of usage.
Link:
http://lkml.kernel.org/r/1553602391-11926-2-git-send-email-laoar.s...@gmail.com
Signed-off-by: Yafang
From: Masami Hiramatsu
Add error_log testcase for error logs on probe events.
This tests most of error cases and checks the error position
is correct.
Link:
http://lkml.kernel.org/r/63d695b74e0965988fa54ffa12beeb2c3475250d.1554072478.git.tom.zanu...@linux.intel.com
Acked-by: Namhyung Kim
Sign
From: "Steven Rostedt (VMware)"
Pass in the trace_array that represents the instance the filter being
changed is in to create_event_filter(). This will allow for error messages
that happen when writing to the filter can be displayed in the proper
instance "error_log" file.
Note, for calls to cre
From: Tom Zanussi
Replace hist_err() and hist_err_event() with tracing_log_err() from
the new tracing error_log mechanism.
Also add a couple related helper functions and remove most of the old
hist_err()-related code.
With this change, users no longer read the hist files for hist trigger
error
Pls ignore this
On 2019/4/3 15:11, YueHaibing wrote:
> Remove .owner field if calls are used which set it automatically
> Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
>
> Signed-off-by: YueHaibing
> ---
> sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c | 1 -
> 1 file cha
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git
for-next
Head SHA1: c8faaa4c594f55ddf903d61180029a3ea1da5286
Divya Indi (1):
tracing: Kernel access to Ftrace instances
Masami Hiramatsu (2):
tracing: Use tracing error_log with probe events
selftests/ftra
From: Tom Zanussi
Add a testcase verifying basic tracing/error_log functionality.
Link:
http://lkml.kernel.org/r/bf1c0d47a24672df945331462682d96296d1ab28.1554072478.git.tom.zanu...@linux.intel.com
Acked-by: Masami Hiramatsu
Acked-by: Namhyung Kim
Signed-off-by: Tom Zanussi
Signed-off-by: St
Pls ignore this
On 2019/4/3 15:11, YueHaibing wrote:
> Remove .owner field if calls are used which set it automatically
> Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
>
> Signed-off-by: YueHaibing
> ---
> sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c | 1 -
> 1
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: YueHaibing
---
v2: add 'TS3A227' in patch title
---
sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c | 1 -
1 file changed, 1 deletion(-)
di
There are several scenarios that keyboard can NOT wake up system
from suspend, e.g., if a keyboard is depressed between system
device suspend phase and device noirq suspend phase, the keyboard
ISR will be called and both keyboard depress and release interrupts
will be disabled, then keyboard will n
Hi,
I'm implementing support for some modular Linux based systems using
device tree overlays. The code is working but it seems a little more
fiddly that than it should be so I'm wondering if I'm doing it right.
An example of what I'm doing is
arch/arm/boot/dts/Makefile:
DTC_FLAGS_myboard += -
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: YueHaibing
---
v2: add 'DA7219' in patch title
---
sound/soc/mediatek/mt8183/mt8183-da7219-max98357.c | 1 -
1 file changed, 1 deletion(-)
diff --git
Hi Alex,
On 2019/3/29 23:20, Alex Kogan wrote:
> +
> +static __always_inline void cna_init_node(struct mcs_spinlock *node, int
> cpuid,
> + u32 tail)
> +{
> + if (decode_numa_node(node->node_and_count) == -1)
> + store_numa_node(node, numa_cpu
From: Zhaoyang Huang
In previous implementation, the number of refault pages is used
for judging the refault period of each page, which is not precised.
We introduce the timestamp into the workingset's entry to measure
the file page's activity.
The patch is tested on an Android system, which can
The fixes for these two bugs were carried in the earlier patchset, patch
4/6 and patch 5/6:
[PATCH v4 0/6] Several patches to fix code bugs, improve documents and clean up
http://lkml.kernel.org/r/20190314094645.4883-1-...@redhat.com
Later, Thomas suggested posting bug fixing patches separately f
Vmemmap region has different maximum size depending on paging mode.
However, its size is hardcoded as 1TB during memory KASLR handling,
this is not right for 5-level paging mode since it will cause vital
stumping if vmemmap region is randomized to be very close to the
following cpu_entry_area regio
In memory region KASLR, __PHYSICAL_MASK_SHIFT is taken to calculate
the initial size of the direct mapping region. This is correct in
the old code where __PHYSICAL_MASK_SHIFT was equal to MAX_PHYSMEM_BITS,
46 bits, and only 4-level mode was supported.
Later, in commit:
b83ce5ee91471d ("x86/mm/64:
From: Zi Yan
copy_page_multithread() function is added to migrate huge pages
in multi-threaded way, which provides higher throughput than
a single-threaded way.
Internally, copy_page_multithread() splits and distributes a huge page
into multiple threads, then send them as jobs to system_highpri_
From: Zi Yan
This is only done for the basic exchange pages, because we might
need to lock multiple files when doing concurrent exchange pages,
which could cause deadlocks easily.
Signed-off-by: Zi Yan
---
mm/exchange.c | 284 ++
mm/inter
From: Zi Yan
Signed-off-by: Zi Yan
---
include/linux/mm_inline.h | 21 +
mm/vmscan.c | 25 ++---
2 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 04ec454..b9fbd0b 10
From: Zi Yan
It unmaps two lists of pages, then exchange them in
exchange_page_lists_mthread(), and finally remaps both lists of
pages.
Signed-off-by: Zi Yan
---
include/linux/exchange.h | 2 +
mm/exchange.c| 397 +++
mm/exchange_page.c
From: Zi Yan
An option is added to move_pages() syscall to use multi-threaded
page migration.
Signed-off-by: Zi Yan
---
include/linux/migrate_mode.h | 1 +
include/uapi/linux/mempolicy.h | 2 ++
mm/migrate.c | 29 +++--
3 files changed, 22 insertio
From: Zi Yan
This prepares for the following patches to provide a user API to
manipulate pages in two memory nodes with the help of memcg.
missing memcg_max_size_node()
Signed-off-by: Zi Yan
---
arch/x86/entry/syscalls/syscall_64.tbl | 1 +
include/linux/sched/coredump.h | 1 +
in
From: Zi Yan
It prepares for the following patches to enable memcg-based NUMA
node page migration. We are going to limit memory usage in each node
on a per-memcg basis.
Signed-off-by: Zi Yan
---
include/linux/cgroup-defs.h | 1 +
include/linux/memcontrol.h | 67 ++
From: Zi Yan
The syscall allows users to trigger page list scanning to actively
move pages between active/inactive lists according to page
references. This is limited to the memcg which the process belongs
to. It would not impact the global LRU lists, which is the root
memcg.
Signed-off-by: Zi Y
From: Zi Yan
Exchange two pages using multi threads. Exchange two lists of pages
using multi threads.
Signed-off-by: Zi Yan
---
mm/Makefile| 1 +
mm/exchange.c | 15 ++--
mm/exchange_page.c | 229 +
mm/internal.h | 5 ++
From: Zi Yan
Users can use the syscall to exchange two lists of pages, similar
to move_pages() syscall.
Signed-off-by: Zi Yan
---
arch/x86/entry/syscalls/syscall_64.tbl | 1 +
include/linux/syscalls.h | 5 +
mm/exchange.c | 346 +++
From: Zi Yan
Enable exchange THPs in the process. It also need to take care of
exchanging PTE-mapped THPs.
Signed-off-by: Zi Yan
---
include/linux/exchange.h | 2 ++
mm/exchange.c| 73 +---
mm/migrate.c | 2 +-
3 files chang
From: Zi Yan
With MPOL_F_MEMCG set and MPOL_PREFERRED is used, we will enforce
the memory limit set in the corresponding memcg.
Signed-off-by: Zi Yan
---
include/uapi/linux/mempolicy.h | 3 ++-
mm/mempolicy.c | 36
2 files changed, 38 inser
From: Zi Yan
MIGRATE_SINGLETHREAD is added as the default behavior.
migrate_page_copy() and copy_huge_page() are changed.
Signed-off-by: Zi Yan
---
fs/aio.c | 2 +-
fs/f2fs/data.c | 2 +-
fs/hugetlbfs/inode.c | 2 +-
fs/iomap.c |
From: Zi Yan
vm.use_all_dma_chans will grab all usable DMA channels
vm.limit_dma_chans will limit how many DMA channels in use
Signed-off-by: Zi Yan
---
include/linux/highmem.h | 1 +
include/linux/sched/sysctl.h | 3 +
kernel/sysctl.c | 19 +++
mm/copy_page.c
From: Zi Yan
Thanks to Dave Hansen's patches, which make PMEM as part of memory as NUMA
nodes.
How to use PMEM along with normal DRAM remains an open problem. There are
several patchsets posted on the mailing list, proposing to use page migration to
move pages between PMEM and DRAM using Linux p
Ping...
Best Regards,
Joakim Zhang
> -Original Message-
> From: Joakim Zhang
> Sent: 2019年3月19日 13:17
> To: m...@pengutronix.de; linux-...@vger.kernel.org
> Cc: dl-linux-imx ; w...@grandegger.com;
> net...@vger.kernel.org; linux-kernel@vger.kernel.org; Joakim Zhang
>
> Subject: [PATCH
From: Zi Yan
Concurrent page migration unmaps all pages in a list, copy all pages
in one function (copy_page_list*), finally remaps all new pages.
This is different from existing page migration process which migrate
one page at a time.
Only anonymous pages are supported. All file-backed pages ar
From: Zi Yan
It exchanges two pages by unmapping both first, then exchanging the
data of the pages using a u64 register, and finally remapping both
pages.
It saves the overheads of allocating two new pages in two
back-to-back migrate_pages().
Signed-off-by: Zi Yan
---
include/linux/exchange.h
From: Zi Yan
1. Exclude file-backed base pages from exchanging.
2. Split THP in exchange pages if THP support is disabled.
3. if THP migration is supported, only exchange THPs.
Signed-off-by: Zi Yan
---
mm/memory_manage.c | 173 +
1 file chan
From: Zi Yan
Both src and dst page lists should match the page size at each
page and the length of both lists is shared.
Signed-off-by: Zi Yan
---
mm/copy_page.c | 166 +
mm/internal.h | 4 ++
2 files changed, 170 insertions(+)
diff -
From: Zi Yan
No functionality is changed. Prepare for the following patches,
which add parallel, concurrent page migration modes in conjunction
to the existing modes.
Signed-off-by: Zi Yan
---
fs/aio.c | 10 +-
fs/f2fs/data.c | 4 ++--
fs/hugetlbfs/in
From: Zi Yan
Fallback to copy_highpage when it fails.
Signed-off-by: Zi Yan
---
include/linux/migrate_mode.h | 1 +
include/uapi/linux/mempolicy.h | 1 +
mm/migrate.c | 31 +--
3 files changed, 23 insertions(+), 10 deletions(-)
diff --git a/in
From: Zi Yan
Make migration batch size adjustable to avoid excessive migration
overheads when a lot of pages are under migration.
Signed-off-by: Zi Yan
---
kernel/sysctl.c| 8
mm/memory_manage.c | 60 --
2 files changed, 48 inse
From: Zi Yan
Since base page migration did not gain any speedup from
multi-threaded methods, we only accelerate the huge page case.
Signed-off-by: Zi Yan
---
kernel/sysctl.c | 11 +++
mm/migrate.c| 6 ++
2 files changed, 17 insertions(+)
diff --git a/kernel/sysctl.c b/kernel/
From: Zi Yan
Users are expected to set memcg max size to reflect their memory
resource allocation policy. The syscall simply migrates pages belong
to the application's memcg between from_node to to_node, where
from_node is considered fast memory and to_node is considered slow
memory. In common ca
From: Zi Yan
This prepare the support for migrate_page_concur(), which migrates
multiple pages at the same time.
Signed-off-by: Zi Yan
---
mm/copy_page.c | 123 +
mm/internal.h | 2 +
2 files changed, 125 insertions(+)
diff --git a/mm
From: Zi Yan
Signed-off-by: Zi Yan
---
kernel/sysctl.c | 9 +
mm/copy_page.c | 2 +-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 3d8490e..0eae0b8 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -102,6 +102,7 @@
#if defin
PING
Is there any comment for this patchset, or could we consider to merge
them?
On 03/08/19 at 10:56am, Baoquan He wrote:
> This is v3 post, v2 post is here:
> http://lkml.kernel.org/r/20190228003522.9957-1-...@redhat.com
> v1 can be found here:
> http://lkml.kernel.org/r/20190224132231.4878-1-.
PING
Any comment for this patch, Or consider to merge?
On 03/12/19 at 06:30pm, Baoquan He wrote:
> This is v3 post.
>
> The original v1 post can be found here:
> http://lkml.kernel.org/r/20180829141624.13985-1-...@redhat.com
>
> Later a v1 RESEND version:
> http://lkml.kernel.org/r/201901250228
The return from of_overlay_fdt_apply() just indicates success or fail.
The cookie is returned via reference.
Signed-off-by: Chris Packham
---
Documentation/devicetree/overlay-notes.txt | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/overlay-notes.tx
Hi all,
Today's linux-next merge of the staging tree got a conflict in:
drivers/spi/spi-mt7621.c
between commit:
cbd66c626e16 ("spi: mt7621: Move SPI driver out of staging")
from the spi tree and commit:
18f0e249da67 ("staging: mt7621-spi: Remove parentheses")
from the staging tree.
I
On 01/04/2019 05:29, Yuantian Tang wrote:
> Ls1088a has 2 thermal sensors, core cluster and SoC platform. Core cluster
> sensor is used to monitor the temperature of core and SoC platform is for
> platform. The current dts only support the first sensor.
> This patch adds the second sensor node to d
Hi all,
Today's linux-next merge of the staging tree got conflicts in:
drivers/staging/media/mt9t031/Kconfig
drivers/staging/media/mt9t031/Makefile
between commit:
dfe571ca8daa ("media: soc_camera: Remove leftover files, add TODO")
from the v4l-dvb tree and commits:
99b75a4e3275 ("sta
On Wed, 03 Apr 2019, Jacek Anaszewski wrote:
> On 4/3/19 9:57 AM, Lee Jones wrote:
> > On Mon, 25 Mar 2019, Jacek Anaszewski wrote:
> >
> > > On 3/25/19 8:53 AM, Lee Jones wrote:
> > > > On Sat, 23 Mar 2019, Jacek Anaszewski wrote:
> > > >
> > > > > Hi Lee,
> > > > >
> > > > > Can we have your
Hi all,
Today's linux-next merge of the staging tree got conflicts in:
drivers/staging/mt7621-spi/Kconfig
drivers/staging/mt7621-spi/Makefile
between commit:
cbd66c626e16 ("spi: mt7621: Move SPI driver out of staging")
from the spi tree and commits:
99b75a4e3275 ("staging: add missing
On Wed, 03 Apr 2019, Vaittinen, Matti wrote:
> On Wed, 2019-04-03 at 12:25 +0100, Lee Jones wrote:
> > On Wed, 03 Apr 2019, Matti Vaittinen wrote:
> >
> > > On Wed, Apr 03, 2019 at 10:30:15AM +0100, Lee Jones wrote:
> > > > On Wed, 03 Apr 2019, Matti Vaittinen wrote:
> > > >
> > > > > Hello Lee,
On 01/04/2019 08:43, Elaine Zhang wrote:
> Based on the TSADC Tshut mode to select pinctrl,
> instead of setting pinctrl based on architecture
> (Not depends on pinctrl setting by "init" or "default").
> And it requires setting the tshut polarity before select pinctrl.
I'm not sure to fully read t
On 01/04/2019 08:43, Elaine Zhang wrote:
> Add a new compatible for thermal founding on PX30 SoCs.
>
> Signed-off-by: Elaine Zhang
> ---
> Documentation/devicetree/bindings/thermal/rockchip-thermal.txt | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/th
On 01/04/2019 08:43, Elaine Zhang wrote:
> PX30 SOC has two Temperature Sensors for CPU and GPU.
>
> Signed-off-by: Elaine Zhang
> ---
> drivers/thermal/rockchip_thermal.c | 39
> ++
> 1 file changed, 39 insertions(+)
>
> diff --git a/drivers/thermal/rockchi
Hi Prarit,
On Wed, Apr 03, 2019 at 07:42:45AM -0400, Prarit Bhargava wrote:
>
>
> On 4/3/19 3:02 AM, Naoya Horiguchi wrote:
> > turbostat could be terminated by general protection fault on some latest
> > hardwares which (for example) support 9 levels of C-states and show 18
> > "tADDED" lines.
On 01/04/2019 06:14, Andrey Smirnov wrote:
> Use a local "struct device *dev" for brevity. No functional change
> intended.
>
> Signed-off-by: Andrey Smirnov
> Cc: Chris Healy
> Cc: Lucas Stach
> Cc: Zhang Rui
> Cc: Eduardo Valentin
> Cc: Daniel Lezcano
> Cc: Angus Ainslie (Purism)
> Cc: li
Hi, Hanjun.
> On Apr 3, 2019, at 10:02 PM, Hanjun Guo wrote:
>
> Hi Alex,
>
> On 2019/3/29 23:20, Alex Kogan wrote:
>> +
>> +static __always_inline void cna_init_node(struct mcs_spinlock *node, int
>> cpuid,
>> + u32 tail)
>> +{
>> +if (decode_numa_nod
On 01/04/2019 06:14, Andrey Smirnov wrote:
> This driver is meant to be used with Device Tree and there's no
> use-case where device's DT node is going to be NULL. Remove code
> protecting against that.
May be elaborate why is never going to be NULL?
> Signed-off-by: Andrey Smirnov
> Cc: Chris H
On 01/04/2019 06:14, Andrey Smirnov wrote:
> Struct thermal_zone_device reference stored as sensor's private data
> isn't really used anywhere in the code. Drop it.
>
> Signed-off-by: Andrey Smirnov
> Cc: Chris Healy
> Cc: Lucas Stach
> Cc: Zhang Rui
> Cc: Eduardo Valentin
> Cc: Daniel Lezcan
On 01/04/2019 06:14, Andrey Smirnov wrote:
> Add local struct qoriq_sensor pointer in qoriq_tmu_register_tmu_zone()
> for brevity.
>
> Signed-off-by: Andrey Smirnov
> Cc: Chris Healy
> Cc: Lucas Stach
> Cc: Zhang Rui
> Cc: Eduardo Valentin
> Cc: Daniel Lezcano
> Cc: Angus Ainslie (Purism)
>
From: Zhaoyang Huang
In previous implementation, the number of refault pages is used
for judging the refault period of each page, which is not precised as
eviction of other files will be affect a lot on current cache.
We introduce the timestamp into the workingset's entry and refault ratio
to mea
This is the third revision of a patchset that adds support for CPU-wide
trace scenarios and as such, it is now possible to issue the following
commands:
# perf record -e cs_etm/@2007.etr/ -C 2,3 $COMMAND
# perf record -e cs_etm/@2007.etr/ -a $COMMAND
The solution is design
Configure timestamps to be emitted at regular intervals in the trace
stream to temporally correlate instructions executed on different CPUs.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/coresight-etm4x.c | 101 +-
1 file changed, 100 insertions(+), 1 deletion(-)
When disabling a sink the reference counter ensures the operation goes
through if nobody else is using it. As such if drvdata::mode is already
set do CS_MODE_DISABLED, it is an error and should be reported as such.
Signed-off-by: Mathieu Poirier
Reviewed-by: Suzuki K Poulose
---
drivers/hwtrac
Add to the capabilities the ITRACE property so that ITRACE START events
are generated when the PMU is switched on by the core.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/coresight-etm-perf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/hwtraci
Resource selector pair 0 is always implemented and reserved. As such
it should not be explicitly programmed.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/coresight-etm4x.c | 7 +--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/hwtracing/coresight/co
Make struct perf_event available to sink buffer allocation functions in
order to use the pid they carry to allocate and free buffer memory along
with regimenting access to what source a sink can collect data for.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/coresight-etb10.c |
In preparation to handle device reference counting inside of the sink
drivers, add a return code to the sink::disable() operation so that
proper action can be taken if a sink has not been disabled.
Signed-off-by: Mathieu Poirier
Reviewed-by: Suzuki K Poulose
---
drivers/hwtracing/coresight/core
Set the proper bit in the configuration register when contextID tracing
has been requested by user space. That way PE_CONTEXT elements are
generated by the tracers when a process is installed on a CPU.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/Kconfig | 1 +
dr
Function free_event_data() is already busy and is bound to become
worse with the addition of CPU-wide trace scenarios. As such spin
off a new function to strickly take care of the sink buffers.
Signed-off-by: Mathieu Poirier
Reviewed-by: Suzuki K Poulose
---
.../hwtracing/coresight/coresight-e
Refactoring function tmc_etr_setup_perf_buf() so that it only deals
with the high level etr_perf_buffer, leaving the allocation of the
backend buffer (i.e etr_buf) to another function.
That way the backend buffer allocation function can decide if it wants
to reuse an existing buffer (CPU-wide trac
In CPU-wide scenarios with an N:1 source/sink topology, sources share
the same sink. In order to reuse the same sink for all sources an
IDR is needed to archive events that have already been accounted for.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/coresight-tmc.c | 4
This patch adds reference counting to struct etr_buf so that, in CPU-wide
trace scenarios, shared buffers can be disposed of when no longer used.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/coresight-tmc-etr.c | 5 +
drivers/hwtracing/coresight/coresight-tmc.h | 3 +++
There is no point in allocating sink memory for a trace session if
there is not a way to free it once it is no longer needed. As such make
sure the sink API function to allocate and free memory have been
implemented before moving ahead with the establishment of a trace
session.
Signed-off-by: Mat
Buffer allocation is different when dealing with per-thread and
CPU-wide sessions. In preparation to support CPU-wide trace scenarios
simplify things by keeping allocation functions for both type separate.
Signed-off-by: Mathieu Poirier
---
.../hwtracing/coresight/coresight-tmc-etr.c | 29 +++
When operating in CPU-wide mode with an N:1 source/sink HW topology,
multiple CPUs can access a sink concurrently. As such reference counting
needs to happen when the device's spinlock is held to avoid racing with
other operations (start(), update(), stop()), such as:
session A
This patch adds support for CPU-wide trace scenarios by making sure that
only the sources monitoring the same process have access to a common sink.
Because the sink is shared between sources, the first source to use the
sink switches it on while the last one does the cleanup. Any attempt to
modify
This patch adds support for CPU-wide trace scenarios by making sure that
only the sources monitoring the same process have access to a common sink.
Because the sink is shared between sources, the first source to use the
sink switches it on while the last one does the cleanup. Any attempt to
modify
This patch uses the PID of the process being traced to allocate and free
ETR memory buffers for CPU-wide scenarios. The implementation is tailored
to handle both N:1 and 1:1 source/sink HW topologies.
Signed-off-by: Mathieu Poirier
---
.../hwtracing/coresight/coresight-tmc-etr.c | 107 +++
This patch adds support for CPU-wide trace scenarios by making sure that
only the sources monitoring the same process have access to a common sink.
Because the sink is shared between sources, the first source to use the
sink switches it on while the last one does the cleanup. Any attempt to
modify
In preparation to support CPU-wide trace scenarios, introduce the notion
of process ID to ETR devices. That way events monitoring the same process
can use the same etr_buf, allowing multiple CPUs to use the same sink.
Signed-off-by: Mathieu Poirier
---
drivers/hwtracing/coresight/coresight-tmc-
When operating in CPU-wide trace scenarios and working with an N:1
source/sink HW topology, update() functions need to be made atomic
in order to avoid racing with start and stop operations.
Signed-off-by: Mathieu Poirier
Reviewed-by: Suzuki K Poulose
---
drivers/hwtracing/coresight/coresight-e
On Thu, Mar 14, 2019 at 11:37 PM Jerome Brunet wrote:
> Now the slightly annoying part :(
> The value achievable by the SoC are 0.5mA, 2.5mA, 3mA and 4mA and the DT
> property
> 'drive-strength' is expressed in mA.
>
> 1) Rounding down the value, we could be requesting a 0mA drive strength.
>
On Mon, Apr 1, 2019 at 10:22 PM Andrew Morton <
a...@linux-foundation.org> wrote:
> On Sat, 30 Mar 2019 13:58:55 -0700 Trent Piepho
> wrote:
> > In some cases the previous algorithm would not return the closest
> > approximation. This would happen when a semi-convergent was the
> > closest, as t
On Sun, Mar 31, 2019 at 2:04 PM Jerome Brunet wrote:
> On Sun, 2019-03-31 at 01:40 -0500, Rob Herring wrote:
> > On Thu, Mar 14, 2019 at 05:37:24PM +0100, Jerome Brunet wrote:
> > > From: Guillaume La Roque
> > > +Optional properties :
> > > + - drive-strength: Drive strength for the specified p
On Tue, Mar 19, 2019 at 12:42 AM Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski
>
> Add basic support for the battery charger for max77650 PMIC.
>
> Signed-off-by: Bartosz Golaszewski
This looks like a clean and good driver to me.
Reviewed-by: Linus Walleij
Yours,
Linus Walleij
This patch decreases the transfer bursts to avoid the fifo overrun.
Signed-off-by: Sugar Zhang
---
sound/soc/rockchip/rockchip_pdm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/rockchip/rockchip_pdm.c
b/sound/soc/rockchip/rockchip_pdm.c
index abbb6d7..c50494b
INVESTMENT FOR PARTNERSHIP. Can I Trust You
My Dear Friend Can I Trust You.docx
Description: MS-Word 2007 document
My Dear Friend Can I Trust You.docx
Description: MS-Word 2007 document
This patch adds support fractional div for rk3308.
Signed-off-by: Sugar Zhang
---
sound/soc/rockchip/rockchip_pdm.c | 172 --
sound/soc/rockchip/rockchip_pdm.h | 9 ++
2 files changed, 139 insertions(+), 42 deletions(-)
diff --git a/sound/soc/rockchip/rock
This patch adds bindings for rk3308/px30.
Signed-off-by: Sugar Zhang
---
Documentation/devicetree/bindings/sound/rockchip,pdm.txt | 4
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt
b/Documentation/devicetree/bindings/sound/rockchip,
This patch adds support for rk1808, the pdm controller
is the same as rk3308.
Signed-off-by: Sugar Zhang
---
sound/soc/rockchip/rockchip_pdm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/soc/rockchip/rockchip_pdm.c
b/sound/soc/rockchip/rockchip_pdm.c
index 4f93a74..3e1c5fd 1006
This patch adds bindings for rk1808 soc.
Signed-off-by: Sugar Zhang
---
Documentation/devicetree/bindings/sound/rockchip,pdm.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt
b/Documentation/devicetree/bindings/sound/rockchip,pdm.t
This patch make the waterlevel more reasonable, because the pdm
controller share the single FIFO(128 entries) with each channel.
adjust waterlevel in frame to meet the vad or dma frames request.
Signed-off-by: Sugar Zhang
---
sound/soc/rockchip/rockchip_pdm.c | 3 ++-
1 file changed, 2 insertio
This patch marks RXFIFO_DATA as precious to avoid being read
outside a call from the driver, such as regmap debugfs
Signed-off-by: Sugar Zhang
---
sound/soc/rockchip/rockchip_pdm.c | 13 +
1 file changed, 13 insertions(+)
diff --git a/sound/soc/rockchip/rockchip_pdm.c
b/sound/soc/
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