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PrathamPatel[m]>
Clock/Reset/DTS merged in -next for the RISC-V maintainer's fork
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davidlt[m]>
Yup, this finally landed for 6.4 kernel!
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davidlt[m]>
More incoming.
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davidlt[m]>
The story begins again with Sipeed boards :D
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davidlt[m]>
It took StarFive to get basic support in what? ~6 months?
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neil>
heh yeaahhhh
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neil>
🤞for quick upstreaming
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davidlt[m]>
To my knowledge SIpeed doesn't plan to do it.
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davidlt[m]>
I don't know if Alibaba / T-HEAD will do anything too.
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davidlt[m]>
Remember what happened with D1. A lot of that seems to be community effort.
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davidlt[m]>
I would assume that Sipeed stuff will replace StarFive boards as value option.
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davidlt[m]>
I mean OoO cores, 16GB of RAM (also faster), T-HEAD extensions (not used right now) and for a similar price point.
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davidlt[m]>
There is a patch to hook "fast unaligned access" IFUNCs in glibc for D1 (T-HEAD) using the new HW probe interface.
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davidlt[m]>
That seems to improve performance on D1.
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davidlt[m]>
All SiFive cores on the SBCs don't support unaligned accesses. Those are "extremely slow" if used as it's handled by OpenSBI.
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davidlt[m]>
HW probe interface, IIRC, incl. 3 options for this one: fast (i.e. implemented in hardware), emulated (e.g. OpenSBI), not implemented.
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cwt[m]>
does the openssl / libressl already use crypto engine in kernel and thus (automatically) use the hardware crypto engine?
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davidlt[m]>
I don't think so, but didn't investigate.
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cwt[m]>
one of the CPU cores got 100% while rsync or scp.
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cwt[m]>
And the bandwidth was so slow that I have to use ftp instead
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davidlt[m]>
Yeah, the life of weak SoCs :)
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