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tugouxp tugouxp, … patacongo34

1/19/20

could this flow be happen in smp mode?

i need time to read the doc detail to understand the new design spirits. > thanks again for your dedication. > The design, however, would not

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could this flow be happen in smp mode?

i need time to read the doc detail to understand the new design spirits. > thanks again for your dedication. > The design, however, would not

1/19/20

tugouxp tugouxp, … Gregory Nutt24

1/13/20

Is it a fatal error if "g_cpu_irqset" is "3" on two cores(cortex-a7) smp mode?

> yes, i would like to help do the test, so how the progress now? thank > you！ I have run into some design obstacles and I am not working on it

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Is it a fatal error if "g_cpu_irqset" is "3" on two cores(cortex-a7) smp mode?

> yes, i would like to help do the test, so how the progress now? thank > you！ I have run into some design obstacles and I am not working on it

1/13/20

tugouxp tugouxp, … Alan Carvalho de Assis18

1/13/20

is the smp impl. by the nuttx with big kernel lock or multi-level fine gained lock?

The reference page about it is here: http://www.nuttx.org/doku.php?id=wiki:nxinternal:highperfints There are some board with support to highpri that

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is the smp impl. by the nuttx with big kernel lock or multi-level fine gained lock?

The reference page about it is here: http://www.nuttx.org/doku.php?id=wiki:nxinternal:highperfints There are some board with support to highpri that

1/13/20

tugouxp tugouxp, spudaneco2

12/26/19

is it allowed call "sleep" in critical section protected by "enter_critical_section" and "leave_critical_section" in SMP mode/?

Yes, it is safe. The citcal section willbe released atomicly while sleeping and restored upon awakeningSent from Samsung tablet. null

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is it allowed call "sleep" in critical section protected by "enter_critical_section" and "leave_critical_section" in SMP mode/?

Yes, it is safe. The citcal section willbe released atomicly while sleeping and restored upon awakeningSent from Samsung tablet. null

12/26/19

tugouxp tugouxp, … Masayuki Ishikawa16

12/26/19

did the smp mechanism has been widely test and proved stability now？

tested the SMP mode? As I wrote before, the processors which I used to test the NuttX SMP were LC823450 and Spresense (cxd5602). https://www.futureelectronics.com/p/9070294?utm_source

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did the smp mechanism has been widely test and proved stability now？

tested the SMP mode? As I wrote before, the processors which I used to test the NuttX SMP were LC823450 and Spresense (cxd5602). https://www.futureelectronics.com/p/9070294?utm_source

12/26/19

tugouxp tugouxp

12/26/19

Crash logs in smp mode.

a7, SMP mode. and the crash log is this. up_assert: Assertion failed CPU1 at file:irq/irq_csection.c line: 329 task: init Bp_rengistexrdump:_ R0: s00000t001 00a000000r 0000t0000

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Crash logs in smp mode.

a7, SMP mode. and the crash log is this. up_assert: Assertion failed CPU1 at file:irq/irq_csection.c line: 329 task: init Bp_rengistexrdump:_ R0: s00000t001 00a000000r 0000t0000

12/26/19

tugouxp tugouxp, … Xiang Xiao5

12/23/19

how to understand the "g_running_tasks" valid only when "up_interrupt_context" is ture?

code base SMP mode, a descriptions of g_running_tasks object says that: /* g_running_tasks[] holds a references to the running task for each cpu. 145 * It is valid only when up_interrupt_context

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how to understand the "g_running_tasks" valid only when "up_interrupt_context" is ture?

code base SMP mode, a descriptions of g_running_tasks object says that: /* g_running_tasks[] holds a references to the running task for each cpu. 145 * It is valid only when up_interrupt_context

12/23/19

Nathan Hartman, Gregory Nutt2

12/12/19

[PATCH] Fix typos :-)

This patch fixes a few minor typos, mostly in comments and documentation...

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[PATCH] Fix typos :-)

This patch fixes a few minor typos, mostly in comments and documentation...

12/12/19

patacongo, … Jyeni Nii21

12/22/19

Apache Email List

is an SMP export. I might be missing someone, but I think that is it. >> > There are also subsystem experts. Xiang and Anthony know the networking well. Anthony is a wireless

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Apache Email List

is an SMP export. I might be missing someone, but I think that is it. >> > There are also subsystem experts. Xiang and Anthony know the networking well. Anthony is a wireless

12/22/19

Xiang Xiao, … Gregory Nutt8

11/23/19

Spresense smp test

use of SMP on more than a couple > of CPUs is not helpful due to RAM access collisions. See > https://nuttx.events/wp-content/uploads/2019/11/MIshikawa_nx2019.pdf >

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Spresense smp test

use of SMP on more than a couple > of CPUs is not helpful due to RAM access collisions. See > https://nuttx.events/wp-content/uploads/2019/11/MIshikawa_nx2019.pdf >

11/23/19

Xiang Xiao, … Gregory Nutt14

11/12/19

Enable OpenAMP build

Greg, this patch enable OpenAMP on simulator, README.txt contain the detailed HOWTO instruction. we will provide the final patch in the next couple of

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Enable OpenAMP build

Greg, this patch enable OpenAMP on simulator, README.txt contain the detailed HOWTO instruction. we will provide the final patch in the next couple of

11/12/19

Xiang Xiao, Gregory Nutt4

11/11/19

Clean up console driver for simulator

Prepare to support OpenAMP on simulator. Thanks Xiang

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Clean up console driver for simulator

Prepare to support OpenAMP on simulator. Thanks Xiang

11/11/19

Nathan Hartman, … Gregory Nutt63

11/4/19

How would we handle multicore MCUs with a mix of core types?

(like SMP IPI) > 2.The subsystem IPC driver call rpmsg API to register/connect service, > send/recv package > The 1st part is changed frequently in each release, but the 2nd

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How would we handle multicore MCUs with a mix of core types?

(like SMP IPI) > 2.The subsystem IPC driver call rpmsg API to register/connect service, > send/recv package > The 1st part is changed frequently in each release, but the 2nd

11/4/19

Xiang Xiao, patacongo20

10/20/19

Refine the apps build system again

Two improvement here: 1.Move the common variable definition into apps/Make.defs 2.Make.defs under sub folder could export CFLAGS/CXXFLAGS to others

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Refine the apps build system again

Two improvement here: 1.Move the common variable definition into apps/Make.defs 2.Make.defs under sub folder could export CFLAGS/CXXFLAGS to others

10/20/19

Matias N., … Gregory Nutt8

10/15/19

distclean apps fix

Hi, I realized that if you go into nuttx/ and do a "distclean" when a distclean is already made, the distclean target on the apps/ repo gives

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distclean apps fix

Hi, I realized that if you go into nuttx/ and do a "distclean" when a distclean is already made, the distclean target on the apps/ repo gives

10/15/19

Juha Niskanen (Haltian)

10/8/19

[PATCH] drivers/usbdev/cdcacm.c: fix memory leak of RX failsafe timer

Hi Greg, Patch fixes a memory leak that I found when doing something like this in my PM code: /* Uninitialize USB console before Stop 2 (STM32L4 USB FS

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[PATCH] drivers/usbdev/cdcacm.c: fix memory leak of RX failsafe timer

Hi Greg, Patch fixes a memory leak that I found when doing something like this in my PM code: /* Uninitialize USB console before Stop 2 (STM32L4 USB FS

10/8/19

Xiang Xiao, … Dave Marples8

10/7/19

Refine the bultin and elf build

This patch fix two major issues: 1.Unify the entry point to the standard main for both builtin/elf type. To avoid the symbol duplication, Makefile auto

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Refine the bultin and elf build

This patch fix two major issues: 1.Unify the entry point to the standard main for both builtin/elf type. To avoid the symbol duplication, Makefile auto

10/7/19

Xiang Xiao, Gregory Nutt22

12/13/19

Clean up Makefile in apps folder

Again more clean up for Makefile. On Friday, October 4, 2019 at 11:02:22 AM UTC+8, Xiang Xiao wrote: > > Thanks for trust, I think the key change

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Clean up Makefile in apps folder

Again more clean up for Makefile. On Friday, October 4, 2019 at 11:02:22 AM UTC+8, Xiang Xiao wrote: > > Thanks for trust, I think the key change

12/13/19

Nathan Hartman, Gregory Nutt31

9/29/19

[PATCH] Fix typos

On Wednesday, September 11, 2019 at 11:01:35 AM UTC-4, patacongo wrote: > > You must be crawling all over this code to find so many typos? I

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[PATCH] Fix typos

On Wednesday, September 11, 2019 at 11:01:35 AM UTC-4, patacongo wrote: > > You must be crawling all over this code to find so many typos? I

9/29/19

Juha Niskanen (Haltian), Gregory Nutt5

9/20/19

[PATCH] Fix use of undefined pp-token #errror, other typos

Hi Greg, Another typo patch. Most significantly fixes multiple misspellings of the C preprocessor #error directive (well misspelling it should also

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[PATCH] Fix use of undefined pp-token #errror, other typos

Hi Greg, Another typo patch. Most significantly fixes multiple misspellings of the C preprocessor #error directive (well misspelling it should also

9/20/19

Guiding Li, Gregory Nutt30

9/2/19

sched/timer: wdog timer already deleted by timer_delete() successful but still ringing

But in SMP mode with multiple CPUs it does not work > that way: The thread will still keep running while the scheduler is > locked, however, it will not effect tasks running on the

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sched/timer: wdog timer already deleted by timer_delete() successful but still ringing

But in SMP mode with multiple CPUs it does not work > that way: The thread will still keep running while the scheduler is > locked, however, it will not effect tasks running on the

9/2/19

Jon Taylor, patacongo3

8/29/19

Recommendations for a development board

behavior of SMP that you can see at https://nuttx2019.org/wp-content/uploads/2019/07/MIshikawa_nx2019.pdf At $125 it otherwise meets your requirements, I think: https://

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Recommendations for a development board

behavior of SMP that you can see at https://nuttx2019.org/wp-content/uploads/2019/07/MIshikawa_nx2019.pdf At $125 it otherwise meets your requirements, I think: https://

8/29/19

patacongo, Fabio Balzano2

8/19/19

ARMv8 and SMP integration. > > Mouser sells this minimal LPC55S69 UFO Target Board for only $24: > https://www.mouser.com/development-tools-center/embedded-processor

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ARMv8 and SMP integration. > > Mouser sells this minimal LPC55S69 UFO Target Board for only $24: > https://www.mouser.com/development-tools-center/embedded-processor

8/19/19

patacongo, … Fabio Balzano6

8/13/19

NuttX running SMP on that part too. That is actually a more interesting platform. ARMv7-R is well supported with the TMS570 and ARTIK (in TizenRT). > At the moment we are using the

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NuttX running SMP on that part too. That is actually a more interesting platform. ARMv7-R is well supported with the TMS570 and ARTIK (in TizenRT). > At the moment we are using the

8/13/19

Michael Jung, Gregory Nutt4

8/6/19

Assigning errno in protected builds

awkward in SMP modes. > > Greg > > > -- > You received this message because you are subscribed to the Google Groups > "NuttX" group. > To unsubscribe

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Assigning errno in protected builds

awkward in SMP modes. > > Greg > > > -- > You received this message because you are subscribed to the Google Groups > "NuttX" group. > To unsubscribe

8/6/19

DisruptiveNL, … Fabio Balzano7

8/10/19

Recap of the Nuttx International workshop 2019 –July 16 & 17, Gouda, NL

If you couldn't attend, missed a session or want to know what we did last summer ;-) ..... a recap by Dave and myself! Thanks and till next time

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Recap of the Nuttx International workshop 2019 –July 16 & 17, Gouda, NL

If you couldn't attend, missed a session or want to know what we did last summer ;-) ..... a recap by Dave and myself! Thanks and till next time

8/10/19

Ouss4, Gregory Nutt3

7/21/19

[PATCH]PIC32MZ SPI Mode

Hi, Please review the attached patches. 001 corrects SPI mode selection and some typos. 003 makes the PLL input clock configurable (Primary Oscillator

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[PATCH]PIC32MZ SPI Mode

Hi, Please review the attached patches. 001 corrects SPI mode selection and some typos. 003 makes the PLL input clock configurable (Primary Oscillator

7/21/19

Dave Marples, … Gregory Nutt15

5/29/19

PINMUX and IOMUX proposal

used for SMP testing > but I have been considering backporting the i.MXRT LCD support. I have > a very high end i.MX6 with a 10.1 inch display I would like to get up > and running

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PINMUX and IOMUX proposal

used for SMP testing > but I have been considering backporting the i.MXRT LCD support. I have > a very high end i.MX6 with a 10.1 inch display I would like to get up > and running

5/29/19

patacongo, … pavel.ionut...@gmail.com5

3/4/19

. Perhaps it is this: https://github.com/sonydevworld/spresense-nuttx I had assumed that it used SMP vs AMP but I think you would have to ask someone in one of the Spresense lists.

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. Perhaps it is this: https://github.com/sonydevworld/spresense-nuttx I had assumed that it used SMP vs AMP but I think you would have to ask someone in one of the Spresense lists.

3/4/19

Alan Carvalho de Assis, Gregory Nutt4

3/3/19

[PATCH] Modify tools/Makefiles to add warning on defconfig files

Oops, please ignore the previous patch. This patch attached now is the correct one! Sorry for this mistake. BR, Alan On 3/3/19, Alan Carvalho de Assis

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[PATCH] Modify tools/Makefiles to add warning on defconfig files

Oops, please ignore the previous patch. This patch attached now is the correct one! Sorry for this mistake. BR, Alan On 3/3/19, Alan Carvalho de Assis

3/3/19

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