AMD "HSMP" System Management Driver On The Way To The Linux Kernel

phoronix

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AMD "HSMP" System Management Driver On The Way To The Linux Kernel

25 February 2022, 09:00 AM

Phoronix: AMD "HSMP" System Management Driver On The Way To The Linux Kernel

The AMD HSMP kernel driver is currently under review for possible inclusion into the Linux 5.18 cycle. HSMP in this context is the Host System Management Port...

AMD "HSMP" System Management Driver On The Way To The Linux Kernel - Phoronix

https://www.phoronix.com/scan.php?page=news_item&px=AMD-HSMP-Linux-Driver

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yump

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26 February 2022, 06:13 AM

Why not put this stuff inside the kernel and expose it in /sys/class/powercap and hwmon, as appropriate? Having vendor specific control panels seems like an ugly Windows-ism.

I am also skeptical that this is really specific to Epyc. The thing this is meant to talk to sounds suspiciously similar to the thing ryzen_smu interacts with. It would be odd for AMD not to reuse code where they could... So are they trying to hold out on desktop users?
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