Updated invitation with note: TF-A Tech Forum @ Every 2 weeks from 9am to 10am on Thursday (MST) (tf-a@lists.trustedfirmware.org)
This event has been updated with a note: "Updating invite link" Changed: description
TF-A Tech Forum Every 2 weeks from 9am to 10am on Thursday Mountain Standard Time - Phoenix
We run an open technical forum call for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC. Feel free to forward this invite to colleagues. Invites are via the TF-A mailing list and also published on the Trusted Firmware website. Details are here: https://www.trustedfirmware.org/meetings/tf-a-technical-forum/Trusted Firmware is inviting you to a scheduled Zoom meeting.Join Zoom Meetinghttps://linaro-org.zoom.us/my/trustedfirmware?pwd=VktXcm5MNUUyVVM4R0k3ZUtvdU... One tap mobile+16465588656,,9159704974# US (New York)+16699009128,,9159704974# US (San Jose)Dial by your location +1 646 558 8656 US (New York) +1 669 900 9128 US (San Jose) 877 853 5247 US Toll-free 888 788 0099 US Toll-freeMeeting ID: 915 970 4974Find your local number: https://zoom.us/u/ad27hc6t7h
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Hi, We would like to propose the following topic for discussion at the Tech Forum tomorrow.
* RME Granule Protection Table (GPT) block fusing
The GPT L1 entries needs to be fused to avoid TLB shattering for RME enabled CPUs. We will talk about the different prototype approaches tried in TF-A (EL3 firmware) and issues with each approach. We have a patch in review in which implements the “brute force” fusing algorithm. We explain our reasoning for picking this approach and possible future enhancements which may resolve some of the issues anticipated. Also the fine- grained locking scheme implemented for GPT manipulation will also be discussed.
The patch in review is here : https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/26674. For design details of the GPT Library, please refer here : https://trustedfirmware-a.readthedocs.io/en/latest/components/granule-protec... .
Best Regards Soby Mathew
-----Original Appointment----- From: Google Calendar calendar-notification@google.com On Behalf Of Trusted Firmware Public Meetings Sent: Thursday, February 22, 2024 10:27 PM To: tf-a@lists.trustedfirmware.org; marek.bykowski@gmail.com; okash.khawaja@gmail.com Subject: [TF-A] Updated invitation with note: TF-A Tech Forum @ Every 2 weeks from 9am to 10am on Thursday (MST) (tf-a@lists.trustedfirmware.org) When: Occurs every 2 week(s) on Thursday effective 07/03/2024 from 16:00 to 17:00 Europe/London. Where:
TF-A Tech Forum We run an open technical forum call for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC. Feel free to forward this
This event has been updated with a note: "Updating invite link" Changed: description
Description CHANGED We run an open technical forum call for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC.
Feel free to forward this invite to colleagues. Invites are via the TF-A mailing list and also published on the Trusted Firmware website.
Details are here: https://www.trustedfirmware.org/meetings/tf-a-technical-forum/https://www.google.com/url?q=https%3A%2F%2Fwww.trustedfirmware.org%2Fmeetings%2Ftf-a-technical-forum%2F&sa=D&ust=1709072760000000&usg=AOvVaw0WQKserWxq4ujlrZK0WO0M
Trusted Firmware is inviting you to a scheduled Zoom meeting.
Join Zoom Meeting
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Dial by your location +1 646 558 8656 US (New York) +1 669 900 9128 US (San Jose) 877 853 5247 US Toll-free 888 788 0099 US Toll-free Meeting ID: 915 970 4974 Find your local number: https://zoom.us/u/ad27hc6t7hhttps://www.google.com/url?q=https%3A%2F%2Fzoom.us%2Fu%2Fad27hc6t7h&sa=D&ust=1709072760000000&usg=AOvVaw0XzFczN76w7rDohH7m9qwR When Every 2 weeks from 9am to 10am on Thursday (Mountain Standard Time - Phoenix) Guests tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org marek.bykowski@gmail.commailto:marek.bykowski@gmail.com okash.khawaja@gmail.commailto:okash.khawaja@gmail.com View all guest infohttps://calendar.google.com/calendar/event?action=VIEW&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0 RSVP for tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org for all events in this series Yeshttps://calendar.google.com/calendar/event?action=RESPOND&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&rst=1&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0 Nohttps://calendar.google.com/calendar/event?action=RESPOND&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&rst=2&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0 Maybehttps://calendar.google.com/calendar/event?action=RESPOND&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&rst=3&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0
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Hi Everyone, The recording and slides are available here : https://github.com/TF-RMM/tf-rmm/wiki/TFA-Tech-Forum-Presentations
The main tf-a technical forum page will be updated later in due course.
Best Regards Soby Mathew
From: Soby Mathew via TF-A tf-a@lists.trustedfirmware.org Sent: Wednesday, March 6, 2024 12:24 PM To: tf-a@lists.trustedfirmware.org; tf-rmm@lists.trustedfirmware.org Cc: nd nd@arm.com; Alexei Fedorov Alexei.Fedorov@arm.com Subject: [TF-A] Tech Forum : Discuss RME GPT block fusing
Hi, We would like to propose the following topic for discussion at the Tech Forum tomorrow.
* RME Granule Protection Table (GPT) block fusing
The GPT L1 entries needs to be fused to avoid TLB shattering for RME enabled CPUs. We will talk about the different prototype approaches tried in TF-A (EL3 firmware) and issues with each approach. We have a patch in review in which implements the “brute force” fusing algorithm. We explain our reasoning for picking this approach and possible future enhancements which may resolve some of the issues anticipated. Also the fine- grained locking scheme implemented for GPT manipulation will also be discussed.
The patch in review is here : https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/26674. For design details of the GPT Library, please refer here : https://trustedfirmware-a.readthedocs.io/en/latest/components/granule-protec... .
Best Regards Soby Mathew
-----Original Appointment----- From: Google Calendar calendar-notification@google.com On Behalf Of Trusted Firmware Public Meetings Sent: Thursday, February 22, 2024 10:27 PM To: tf-a@lists.trustedfirmware.org; marek.bykowski@gmail.com; okash.khawaja@gmail.com Subject: [TF-A] Updated invitation with note: TF-A Tech Forum @ Every 2 weeks from 9am to 10am on Thursday (MST) (tf-a@lists.trustedfirmware.org) When: Occurs every 2 week(s) on Thursday effective 07/03/2024 from 16:00 to 17:00 Europe/London. Where:
TF-A Tech Forum We run an open technical forum call for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC. Feel free to forward this
This event has been updated with a note: "Updating invite link" Changed: description
Description CHANGED We run an open technical forum call for anyone to participate and it is not restricted to Trusted Firmware project members. It will operate under the guidance of the TF TSC.
Feel free to forward this invite to colleagues. Invites are via the TF-A mailing list and also published on the Trusted Firmware website.
Details are here: https://www.trustedfirmware.org/meetings/tf-a-technical-forum/https://www.google.com/url?q=https%3A%2F%2Fwww.trustedfirmware.org%2Fmeetings%2Ftf-a-technical-forum%2F&sa=D&ust=1709072760000000&usg=AOvVaw0WQKserWxq4ujlrZK0WO0M
Trusted Firmware is inviting you to a scheduled Zoom meeting.
Join Zoom Meeting
https://linaro-org.zoom.us/my/trustedfirmware?pwd=VktXcm5MNUUyVVM4R0k3ZUtvdU...https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fmy%2Ftrustedfirmware%3Fpwd%3DVktXcm5MNUUyVVM4R0k3ZUtvdU84QT09&sa=D&ust=1709072760000000&usg=AOvVaw378AkjnbZN411janitmo6A
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Dial by your location +1 646 558 8656 US (New York) +1 669 900 9128 US (San Jose) 877 853 5247 US Toll-free 888 788 0099 US Toll-free Meeting ID: 915 970 4974 Find your local number: https://zoom.us/u/ad27hc6t7hhttps://www.google.com/url?q=https%3A%2F%2Fzoom.us%2Fu%2Fad27hc6t7h&sa=D&ust=1709072760000000&usg=AOvVaw0XzFczN76w7rDohH7m9qwR When Every 2 weeks from 9am to 10am on Thursday (Mountain Standard Time - Phoenix) Guests tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org marek.bykowski@gmail.commailto:marek.bykowski@gmail.com okash.khawaja@gmail.commailto:okash.khawaja@gmail.com View all guest infohttps://calendar.google.com/calendar/event?action=VIEW&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0 RSVP for tf-a@lists.trustedfirmware.orgmailto:tf-a@lists.trustedfirmware.org for all events in this series Yeshttps://calendar.google.com/calendar/event?action=RESPOND&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&rst=1&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0 Nohttps://calendar.google.com/calendar/event?action=RESPOND&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&rst=2&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0 Maybehttps://calendar.google.com/calendar/event?action=RESPOND&eid=NWlub3Ewdm1tMmk1cTJrMTkxNHJ0MWdqZDJfUjIwMjQwMzA3VDE2MDAwMCB0Zi1hQGxpc3RzLnRydXN0ZWRmaXJtd2FyZS5vcmc&rst=3&tok=NjMjbGluYXJvLm9yZ19oYXZqdjJmaWdyaDVlZ2FpdXJiMjI5cGQ4Y0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29tNDQ2ZTk4NmM5ZTRmM2U5N2ZkZDQ5NjBiMGFkZDYwYjBlMzVhN2M3MQ&ctz=America%2FPhoenix&hl=en&es=0
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tf-a@lists.trustedfirmware.org
-
Don Harbin -
Soby Mathew