ChanServ changed the topic of #armlinux to: ARM kernel talk [Upstream kernel, find your vendor forums for questions about their kernels] | https://libera.irclog.whitequark.org/armlinux
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<maz>
sudeepholla: no worries, and thanks for your prompt reply!
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<milkylainen>
maz: How broken was the ARM/KVM support when it was removed .. 2 years ago? I had forgotten it'd been removed. Sort of missed it today. :)
<maz>
milkylainen: it wasn't broken at all. which is why I removed it so that it wouldn't bitrot.
<milkylainen>
Hmm?
<milkylainen>
Oh well. It's gone. I guess it won't be missed much.
<maz>
I was the only "production" user. everyone else only had a vague "let's see if it works" interest, which was too little for me to care about it any longer.
<maz>
at least, there are stable releases with it (4.9, 4.19, 5.4), still maintained. just no further developments.
<milkylainen>
Yes, that was my next question.
<milkylainen>
I guess it's 5.4.x for me then.
<maz>
yup. and some userspace of the same vintage, as QEMU has dropped 32bit KVM support as well.
<maz>
we still have kvmtool support for now.
<milkylainen>
Sigh. Thanks for the heads up.
<maz>
out of curiosity, what HW do you plan to run that on?
<milkylainen>
v7ve, an A7. :)
<milkylainen>
It's a "let's see if it works". But it would have been nice if it did.
<maz>
it should. I ran my gateway VM on that sort of system for about 7 years, without a single issue caused by KVM.
<milkylainen>
qemu < 5.2 apparently.
<maz>
yeah, they were really delighted to see it being dropped from the kernel, and removed it from QEMU almost immediately.
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<ajb-linaro>
it does make things simpler
<milkylainen>
ajb-linaro: Regarding the above?
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<ajb-linaro>
milkylainen: yeah - the 32 bit KVM was lagging in supported features so we had #ifdef hacks for example for guest debug in the code
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<ajb-linaro>
milkylainen: but ultimately same reason as for the kernel - it is a bunch of code to carry for something only likely to be of academic interest
<milkylainen>
ajb-linaro: I see. But there is always going to be inconsistencies across archs?
<milkylainen>
ajb-linaro: Agreed there. The main reason being no one was interested in it.
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<ajb-linaro>
milkylainen: for 32 and 64 bit ARM we share a fair bit of code in QEMU (for starters in emulation any 64bit machine can run 32 bit code)
<ajb-linaro>
milkylainen: at least for 64bit KVM the QEMU CI loops do exercise the code on real aarch64 HW. Getting 32 bit HW into a CI loop is a royal PITA
<ajb-linaro>
I still have a cubietruck in my desk draw somewhere when I did actually have to test this worked. Because v7 boards which boot upstream kernels are also pretty rare
<milkylainen>
ajb-linaro: Yeah. Older ARMs (in general) are just a pain these days. My favorite being the ti81xx series.
<milkylainen>
Unfortunately, a lot of v7 designs are produced all the time.
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<arnd>
I finally did my first pass of 5.18 merges, uploaded now
<arnd>
two branches need to be resent for trivial reasons, the rest looks fine
<arnd>
comparing this with the stuff that didn't make it for 5.17, I see three branches that are waiting for a resend (broadcom/defconfig, qualcomm/defconfig and drivers/reset), everything else should be there now
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<arnd>
the automated updates and emails from patchwork don't seem to be working at all though, so it's hard to know if I failed to merge something
<arnd>
the tegra branches came just after I finished, so those are missing
<geertu>
arnd: Thx for pulling! FTR, I did get patchwork auto-responses for all of them.
<arnd>
geertu: right, I see that patchwork did the update in the end, it's just for certain submitters it never works
<arnd>
geertu: apparently I missed your renesas-arm-defconfig-for-v5.18-tag1 tag, pulled that now. You should not have received an email for that
<geertu>
arnd: IC. For PR-series, patchwork sents a single email, but I had indeed missed the "(no matching commit)" for the first PR of the series.
<geertu>
arnd: BTW, have you sorted out the lost defconfig branch I reported a few days ago?
<arnd>
geertu: that defconfig branch was the last leftover from the v5.17 merge window. As I mentioned above, only the broadcom and qcom bits of that are left now as far as I can tell, everyone else resubmitted
<arnd>
I talked about the qcom bits with bamse the other day, he will resubmit
<geertu>
ok
<arnd>
[florian]: I don't remember if we talked about it or not, the patches from you that got dropped are these ones:
<arnd>
9dfcdd1d85cc ARM: multi_v7_defconfig: Enable Broadcom STB USB drivers
<arnd>
28df783bfcbb ARM: multi_v7_defconfig: Enable BCM23550 and BCM53573
<arnd>
[florian]: If you haven't already queued them for a coming pull request, I can just cherry-pick the two into the new branch, let me know what works best for you
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<[florian]>
arnd: yes if you don't mind cherry picking those, I would appreciate it