Originally posted by peterdk
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Linux RISC-V Preparing For Real-Time Kernel Support (PREEMPT_RT)
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SiFive is doing a massive layoff, so it might not be a very commercially viable space currently.
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RISC-V is inevitable.
RISC-V enables the best processors.
RISC-V is rapidly growing the strongest ecosystem.
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Originally posted by Mitch View PostI feel out of the loop. What's the deal with all the RISCV stuff lately? Is it expected to have some advantages over ARM and x86?
Not doubting it. Just trying to keep up.
ofc diehard security enthusiasts could potentially design and assuming you happen to somehow know a fab is trust worthy, make your own chips
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Well, considering Tenstorrent and Jim Keller are jumping on the RISC-V bandwagon, I've got to imagine we'll see some pretty awesome chips before long. With companies that fully design their own chips still having to pay ARM for licensing the instruction set, there's going to be a point in time where it just isn't cost effective. I'm pretty sure the instruction decoder is a fairly small part of the overall CPU design, so switching from ARM to RISC-V while maintaining a significant part of their existing IP might be more cost effective once the software ecosystem is fully established.
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I feel out of the loop. What's the deal with all the RISCV stuff lately? Is it expected to have some advantages over ARM and x86?
Not doubting it. Just trying to keep up.
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RTLinux + RISCV perfect Combo for Chinese military equipment.
...and hobbiests like me
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Linux RISC-V Preparing For Real-Time Kernel Support (PREEMPT_RT)
Phoronix: Linux RISC-V Preparing For Real-Time Kernel Support (PREEMPT_RT)
As we approach the end of 2023, sadly, the real-time kernel "PREEMPT_RT" support still hasn't been mainlined... The main blocker pending is still the ongoing work around non-blocking consoles / threaded console handling to then allow the few dozen remaining out-of-tree RT kernel patches to be merged. The good news is that when the PREEMPT_RT support is ready for mainline, it looks like the RISC-V architecture support will also be real-time friendly too...
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