#asahi-dev on 2025-09-15 — irc logs at oftc.catirclogs.org

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01:23 <nickchan> okay, the spmi changes are picked up probably going to reroll my spmi patches soon

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01:25 <nickchan> conceptually the dt-binding patch is pretty much the same thing as the t602x spmi dt-binding patch

01:25 <nickchan> hopefully not too much friction in that one

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01:54 <nickchan> ...and of course the mail server returns error at this moment in any case it's finally sent

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08:13 <nickchan> on t6000 ctr_el0 is 0x84448004 but in a vm under macos xnu seems to trap it and become 0x8444c004

08:14 <nickchan> but why?

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08:27 <maz> Pretends that the I$ is PIPT, which allows SW to elide CMOs in a number of cases. they must have ways to handle that in the hypervisor somehow to avoid aliasing.

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09:25 <nickchan> maz on a11 and m2 it's 0x8444c004 in HW... looks more like a workaround to me

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09:34 <maz> nickchan: possible. but that gives *more* guarantees to the guest, which means the hypervisor has to work harder to avoid aliasing. in any case, that's macos'

09:34 <maz> *macos's problem.

09:37 <maz> they could also be choosing to have a PIPT behaviour by halving the cache size to avoid aliasing. that's a pretty common trick.

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13:52 <nickchan> chadmed: the new adt_is_compatible() doesn't match against fallback compatibles i think

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13:58 <nickchan> so like calling adt_is_compatible(adt, offset, "usb-complex,s5l8960x") on a node that has a compatible property of usb-complex,t8012\0usb-complex,s5l8960x\0 doesn't match anymore

13:58 <nickchan> this is a bug

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14:02 <nickchan> and i don't know about rust to fix that

14:09 <jannau> rust adt code hasn't the concept of string lists

14:11 <nickchan> in that case the dart lock code must be broken right now on t8103

14:11 <nickchan> cause that code matches against dart,t8020

14:11 <nickchan> erm actually dart in general would be broken on t8103

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14:17 <jannau> why? the t8103 darts all have "dart,t8020" as single comaptible string in the ADT

14:25 <nickchan> jannau: ah then im mistaken

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18:56 <jannau> I grew impatient on https://github.com/AsahiLinux/linux/pull/399

18:57 <jannau> https://paste.debian.net/1396756/

18:57 <sven> \o/

18:57 <chaos_princess> lol

18:57 <jannau> and I have use for it in 10 days

18:57 <chaos_princess> (i also was getting impatient and thinking of doing exactly that)

18:57 <sven> 10 days?

18:58 <jannau> unfortunately serial isn't reliable. the linux serial device seems to reset quickly on the host

18:59 <jannau> traveling early to XDC in vienna

18:59 <sven> ah :)

19:04 <jannau> not that I couldn't take a central scrutinizer board with but just a single cable is more convenient

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