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Linaro OP-TEE Contribution, LOC, monthly meeting June 24

by Jens Wiklander

Hi, Tomorrow, Tuesday, it's time for another LOC monthly meeting. For time and connection details, see the calendar at https://www.trustedfirmware.org/meetings/ - Jerome just announced that OP-TEE version 4.7.0 is scheduled for July 11. - Dynamic memory configuration in OP-TEE is nearing an end with https://github.com/OP-TEE/optee_os/pull/7426. I have a few more patches in store, but almost all the big and difficult things are done. - The Secure Data Path patchset [1] is at v10 Are there any other topics? [1] https://lore.kernel.org/op-tee/20250610131600.2972232-1-jens.wiklander@lina… Thanks, Jens

10 months

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Linaro OP-TEE Contribution, LOC, monthly meeting May 27

by Jens Wiklander

Hi, Tomorrow, Tuesday, it's time for another LOC monthly meeting. For time and connection details, see the calendar at https://www.trustedfirmware.org/meetings/ OP-TEE version 4.6.0 was released on April 25. Amir posted a v4 [1] of the QTEE driver. Sumit and I have spent quite a bit of time reviewing this, but it would be welcome with comments from others, too. For instance, for "tee: add TEE_IOCTL_PARAM_ATTR_TYPE_UBUF" which adds yet another type of memory reference. optee_ftpm Issue "Warning in _plat__GetUnique()" [2], digging in this reveals further issues. [1] https://lore.kernel.org/lkml/20250428-qcom-tee-using-tee-ss-without-mem-obj… [2] https://github.com/OP-TEE/optee_ftpm/issues/15 Are there any other topics? Thanks, Jens

11 months

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About next week LOD meeting topic collection

by Joyce Qi

Hi Jonathan, all, Happy New Year to all! Do we have any topic to sync next week? Thanks:) Joyce > On 27 Nov 2024, at 08:00, linaro-open-discussions-request(a)op-lists.linaro.org wrote: > > Send Linaro-open-discussions mailing list submissions to > linaro-open-discussions(a)op-lists.linaro.org > > To subscribe or unsubscribe via email, send a message with subject or > body 'help' to > linaro-open-discussions-request(a)op-lists.linaro.org > > You can reach the person managing the list at > linaro-open-discussions-owner(a)op-lists.linaro.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Linaro-open-discussions digest..." > > Today's Topics: > > 1. Re: Flush by PA range Designs. (was Re: Linaro-open-discussions Digest, Vol 38, Issue 14) > (Joyce Qi) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 26 Nov 2024 18:36:22 +0800 > From: Joyce Qi <joyce.qi(a)linaro.org> > Subject: [Linaro-open-discussions] Re: Flush by PA range Designs. > (was Re: Linaro-open-discussions Digest, Vol 38, Issue 14) > To: James Morse <james.morse(a)arm.com> > Cc: Jonathan Cameron <Jonathan.Cameron(a)Huawei.com>, James Morse via > Linaro-open-discussions <linaro-open-discussions(a)op-lists.linaro.org>, > linuxarm(a)huawei.com, zengheng4(a)huawei.com, wangyushan12(a)huawei.com, > Dave Martin <Dave.Martin(a)arm.com> > Message-ID: <5BF890F5-CE52-4682-AFE6-9FBDE56F2247(a)linaro.org> > Content-Type: text/plain; charset=utf-8 > > Hi all， > > Will cancel today’s meeting since no special topic today, welcome to contact with when needed. > > Thanks > Joyce > >> On 25 Nov 2024, at 21:01, Joyce Qi <joyce.qi(a)linaro.org> wrote: >> >> Hi Jonathan， >> >> Would you like to continue the MPAM， Flush by PA range Designs or any other topics during tomorrow’s LOD meeting？ >> >> Thanks >> Joyce >> >> >>> On 24 Oct 2024, at 00:14, James Morse <james.morse(a)arm.com> wrote: >>> >>> Hi guys, >>> >>> (CC: +Dave Martin) >>> >>> On 10/21/24 15:01, Joyce Qi wrote: >>>>> On 21 Oct 2024, at 20:50, James Morse <james.morse(a)arm.com> wrote: >>>>> On 21/10/2024 11:00, Joyce Qi via Linaro-open-discussions wrote: >>>>>> Thanks a lot for the detailed description and document sharing. >>>>>> I have uploaded the MPAM materials to the LOD Confluence. >>>>>> >>>>>> https://linaro.atlassian.net/wiki/spaces/LOD/overview >>> >>>>>> Are you available to join tomorrow’s LoD meeting for the MPAM topics ? >>> >>> The code already published for something like the intPARTID proposal is here: >>> https://git.gitlab.arm.com/linux-arm/linux-dm/-/commits/mpam/partid-pmg-rem… >>> >>> The aim was to keep it within the MPAM driver, initially based on some static configuration to prove >>> its useful before making it more dynamic, probably a mount option. >>> >>> >>> Thanks, >>> >>> James >> > > > ------------------------------ > > Subject: Digest Footer > > Linaro-open-discussions mailing list -- linaro-open-discussions(a)op-lists.linaro.org > To unsubscribe send an email to linaro-open-discussions-leave(a)op-lists.linaro.org > > > ------------------------------ > > End of Linaro-open-discussions Digest, Vol 50, Issue 1 > ******************************************************

1 year

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Linaro OP-TEE Contribution, LOC, monthly meeting April 22

by Jens Wiklander

Hi, Tomorrow, Tuesday, it's time for another LOC monthly meeting. For time and connection details, see the calendar at https://www.trustedfirmware.org/meetings/ OP-TEE version 4.6.0 is expected to be released on Friday, April 25. Since the 4.6.0-rc1 tag, we have merged a few small patches, but we don't have any known issues that might block the release. We discussed optee_ftpm briefly after that last release in January. The code quality leaves a bit to be desired, with many warnings, an inconsistent coding style, and possibly a few stubbed functions. How can we improve the status? Are there any other topics? Thanks, Jens

1 year

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Invitation: Linaro Open Discussions monthly meeting @ Tue 1 Apr 2025 10:00 - 11:00 (GMT+8) (linaro-open-discussions@op-lists.linaro.org)

by Joyce Qi

Linaro Open Discussions monthly meeting Tuesday 1 Apr 2025 ⋅ 10:00 – 11:00 China Standard Time - Shanghai Location https://linaro-org.zoom.us/j/95682500341 https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fj%2F9568250… Joyce QI 邀请您参加预先安排的 Zoom 会议。加入 Zoom 会议 https://linaro-org.zoom.us/j/95682500341 会议号：956 8250 0341 手机一键拨号 +16699009128,,95682500341# 美国 (San Jose) +13462487799,,95682500341# 美国 (Houston) 根据您的位置拨号 +1 669 900 9128 美国 (San Jose) +1 346 248 7799 美国 (Houston) +1 253 215 8782 美国 (Tacoma) +1 646 558 8656 美国 (New York) +1 301 715 8592 美国 (Washington DC) +1 312 626 6799 美国 (Chicago) 888 788 0099 美国免费 877 853 5247 美国免费会议号：956 8250 0341 查找本地号码：https://linaro-org.zoom.us/u/ady2J9Zn7t Guests kangkang.shen(a)futurewei.com Kevin Zhao linaro-open-discussions(a)op-lists.linaro.org lixiaodong67(a)huawei.com View all guest info https://calendar.google.com/calendar/event?action=VIEW&eid=Mjg1MjNrNWtiMWxv… Reply for linaro-open-discussions(a)op-lists.linaro.org and view more details https://calendar.google.com/calendar/event?action=VIEW&eid=Mjg1MjNrNWtiMWxv… Your attendance is optional. ~~//~~ Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this email because you are an attendee on the event. Forwarding this invitation could allow any recipient to send a response to the organizer, be added to the guest list, invite others regardless of their own invitation status, or modify your RSVP. Learn more https://support.google.com/calendar/answer/37135#forwarding

1 year

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Re: Linaro-open-discussions Digest, Vol 53, Issue 3

by Joyce Qi

Hi James，Jonathan， Do you have some update regarding Johantan’s email below and do we need to sync today？ Thanks Joyce > On 8 Mar 2025, at 08:00, linaro-open-discussions-request(a)op-lists.linaro.org wrote: > > Send Linaro-open-discussions mailing list submissions to > linaro-open-discussions(a)op-lists.linaro.org > > To subscribe or unsubscribe via email, send a message with subject or > body 'help' to > linaro-open-discussions-request(a)op-lists.linaro.org > > You can reach the person managing the list at > linaro-open-discussions-owner(a)op-lists.linaro.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Linaro-open-discussions digest..." > > Today's Topics: > > 1. Re: About next week LOD meeting topic collection > (Jonathan Cameron) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 21 Feb 2025 10:07:03 +0000 > From: Jonathan Cameron <Jonathan.Cameron(a)huawei.com> > Subject: [Linaro-open-discussions] Re: About next week LOD meeting > topic collection > To: Joyce Qi <joyce.qi(a)linaro.org> > Cc: linaro-open-discussions(a)op-lists.linaro.org, Lorenzo Pieralisi > <lorenzo.pieralisi(a)linaro.org>, James Morse <james.morse(a)arm.com>, Rob > Herring <robh(a)kernel.org>, Mark Rutland <mark.rutland(a)arm.com>, > Alireza Sanaee <alireza.sanaee(a)huawei.com> > Message-ID: <20250221100703.000030b8(a)huawei.com> > Content-Type: text/plain; charset="utf-8" > > > Hi Joyce, > > I'll be in Shenzhen next week but should be able to dial in subject to > overcoming a slightly different network. > > If we can poke the following disconnect that would be very helpful > - if it happens on list rather than needing to be discussed on the call > that's absolutely fine. > > It's a difference of opinion between Mark Rutland and Rob Herring > (both ARM) about how to do device tree representation of multi thread > cores and resulting shared L1 caches. We mostly care about this because > we'd like to maintain same level of support in QEMU for ACPI (which has > always handled this case) and DT. > > This was try number 1 based on advice from Rob was to use multiple reg > entries in a single cpu node (how the DT spec currently specifies it > based on ancient power PC roots) > > https://lore.kernel.org/linux-arm-kernel/20250110161057.445-1-alireza.sanae… > Mark suggested that we just do out of CPU node description as is done for every > other level of cache because of the complexity of phandles pointing to the > node. > > Proposal of out of CPU node description. Rob not happy with this one. > https://lore.kernel.org/all/20250129164855.676-1-alireza.sanaee@huawei.com/ > https://lore.kernel.org/all/20250203120527.3534-1-alireza.sanaee@huawei.com/ > > Whilst I'm fairly sure Mark's concerns about references to the CPU node can > be resolved with a few minor tweaks (a few properties may become arrays that > are index rather than single element) we'd really like to have the two > experts engaged in the same thread as so far it's been a case of alternate > responses. > > The other topic that is in my pile is the cache flushing by PA range work. > I'm going to be working with our HQ team to ensure the design we put out > for that is general enough over the next 2 weeks so we should have something > to share after that. The remaining questions prior to posting an RFC are > all low level detail things that I don't think would benefit from a discussion > until we've shown the code. > > Final potential topic is MPAM. Particularly if there is anything specific > we can do to help with upstreaming. > > Jonathan > > > Joyce Qi <joyce.qi(a)linaro.org> wrote: > >> Hi Jonathan, all, >> >> Happy New Year to all! >> >> Do we have any topic to sync next week? >> >> Thanks:) >> Joyce >> >> >> >> >>> On 27 Nov 2024, at 08:00, linaro-open-discussions-request(a)op-lists.linaro.org wrote: >>> >>> Send Linaro-open-discussions mailing list submissions to >>> linaro-open-discussions(a)op-lists.linaro.org >>> >>> To subscribe or unsubscribe via email, send a message with subject or >>> body 'help' to >>> linaro-open-discussions-request(a)op-lists.linaro.org >>> >>> You can reach the person managing the list at >>> linaro-open-discussions-owner(a)op-lists.linaro.org >>> >>> When replying, please edit your Subject line so it is more specific >>> than "Re: Contents of Linaro-open-discussions digest..." >>> >>> Today's Topics: >>> >>> 1. Re: Flush by PA range Designs. (was Re: Linaro-open-discussions Digest, Vol 38, Issue 14) >>> (Joyce Qi) >>> >>> >>> ---------------------------------------------------------------------- >>> >>> Message: 1 >>> Date: Tue, 26 Nov 2024 18:36:22 +0800 >>> From: Joyce Qi <joyce.qi(a)linaro.org> >>> Subject: [Linaro-open-discussions] Re: Flush by PA range Designs. >>> (was Re: Linaro-open-discussions Digest, Vol 38, Issue 14) >>> To: James Morse <james.morse(a)arm.com> >>> Cc: Jonathan Cameron <Jonathan.Cameron(a)Huawei.com>, James Morse via >>> Linaro-open-discussions <linaro-open-discussions(a)op-lists.linaro.org>, >>> linuxarm(a)huawei.com, zengheng4(a)huawei.com, wangyushan12(a)huawei.com, >>> Dave Martin <Dave.Martin(a)arm.com> >>> Message-ID: <5BF890F5-CE52-4682-AFE6-9FBDE56F2247(a)linaro.org> >>> Content-Type: text/plain; charset=utf-8 >>> >>> Hi all， >>> >>> Will cancel today’s meeting since no special topic today, welcome to contact with when needed. >>> >>> Thanks >>> Joyce >>> >>>> On 25 Nov 2024, at 21:01, Joyce Qi <joyce.qi(a)linaro.org> wrote: >>>> >>>> Hi Jonathan， >>>> >>>> Would you like to continue the MPAM， Flush by PA range Designs or any other topics during tomorrow’s LOD meeting？ >>>> >>>> Thanks >>>> Joyce >>>> >>>> >>>>> On 24 Oct 2024, at 00:14, James Morse <james.morse(a)arm.com> wrote: >>>>> >>>>> Hi guys, >>>>> >>>>> (CC: +Dave Martin) >>>>> >>>>> On 10/21/24 15:01, Joyce Qi wrote: >>>>>>> On 21 Oct 2024, at 20:50, James Morse <james.morse(a)arm.com> wrote: >>>>>>> On 21/10/2024 11:00, Joyce Qi via Linaro-open-discussions wrote: >>>>>>>> Thanks a lot for the detailed description and document sharing. >>>>>>>> I have uploaded the MPAM materials to the LOD Confluence. >>>>>>>> >>>>>>>> https://linaro.atlassian.net/wiki/spaces/LOD/overview >>>>> >>>>>>>> Are you available to join tomorrow’s LoD meeting for the MPAM topics ? >>>>> >>>>> The code already published for something like the intPARTID proposal is here: >>>>> https://git.gitlab.arm.com/linux-arm/linux-dm/-/commits/mpam/partid-pmg-rem… >>>>> >>>>> The aim was to keep it within the MPAM driver, initially based on some static configuration to prove >>>>> its useful before making it more dynamic, probably a mount option. >>>>> >>>>> >>>>> Thanks, >>>>> >>>>> James >>>> >>> >>> >>> ------------------------------ >>> >>> Subject: Digest Footer >>> >>> Linaro-open-discussions mailing list -- linaro-open-discussions(a)op-lists.linaro.org >>> To unsubscribe send an email to linaro-open-discussions-leave(a)op-lists.linaro.org >>> >>> >>> ------------------------------ >>> >>> End of Linaro-open-discussions Digest, Vol 50, Issue 1 >>> ****************************************************** >> > > > ------------------------------ > > Subject: Digest Footer > > Linaro-open-discussions mailing list -- linaro-open-discussions(a)op-lists.linaro.org > To unsubscribe send an email to linaro-open-discussions-leave(a)op-lists.linaro.org > > > ------------------------------ > > End of Linaro-open-discussions Digest, Vol 53, Issue 3 > ******************************************************

1 year, 1 month

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Linaro OP-TEE Contribution, LOC, monthly meeting March 25

by Jens Wiklander

Hi, Tomorrow, Tuesday, it's time for another LOC monthly meeting. For time and connection details see the calendar at https://www.trustedfirmware.org/meetings/ I've posted another version of the Secure Data Path patches [1] if you have any thoughts on that. [1] https://lore.kernel.org/lkml/20250305130634.1850178-1-jens.wiklander@linaro… Are there any other topics? Cheers, Jesn

1 year, 1 month

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Linaro OP-TEE Contribution, LOC, monthly meeting February 25

by Jens Wiklander

Hi, Tomorrow, Tuesday, it's time for another LOC monthly meeting. For time and connection details see the calendar at https://www.trustedfirmware.org/meetings/ I recently posted a new version of the Restricted DMA-buf patch set [1], and there's also an ongoing discussion that already started on the previous version of the patch set [2]. We're discussing whether the restricted DMA-bufs should be allocated from DMA heaps or the TEE subsystem. Both approaches work, but we need to decide on one for the patch set to move forward. [1] https://lore.kernel.org/lkml/20250218143527.1236668-1-jens.wiklander@linaro… [2] https://lore.kernel.org/lkml/20241217100809.3962439-1-jens.wiklander@linaro… Are there any other topics? Cheers, Jens

1 year, 1 month

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Linaro OP-TEE Contribution, LOC, monthly meeting January 28

by Jens Wiklander

Hi, Tomorrow, Tuesday, it's time for another LOC monthly meeting. For time and connection details see the calendar at https://www.trustedfirmware.org/meetings/ The TA-specific parts of fTPM have now been included in the first OP-TEE release in the optee_ftpm and we run fTPM in the OP-TEE OS CI loop at Github. Much of what we set out to do over half a year ago has been done, but there are some issues with the quality of the code. It doesn't compile without warnings and the coding style is inconsistent with the normal OP-TEE coding style (or anything else). Let's discuss how we can improve the status. Are there any other topics? Thanks, Jens

1 year, 2 months

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Canceled Linaro OP-TEE Contribution, LOC, monthly meeting December 24

by Jens Wiklander

Hi, The LOC meeting in December is canceled due to the holidays. Happy holidays and see you next year, Jens

1 year, 4 months

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