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Kernel: Belated Linux 5.8 Coverage and More Linux 5.9 Features

Submitted by Roy Schestowitz on Monday 10th of August 2020 02:53:28 AM Filed under
Linux

           

  • Linus Torvalds: Linux 5.8 "One of our Biggest Releases of All Time"

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  • Intel Emmitsburg Support Begins Appearing In Linux 5.9

    Not much is publicly known about Intel's Emmitsburg chipset. Prior to noticing some Linux patches recently referencing Intel Emmitsburg, the only other public mentions of it has been in the context of the Windows HWiNFO program mentioning it in their change-log. With Linux 5.9, Intel has begun adding Emmitsburg support. 

    Speculation on Windows sites earlier this year following the HWiNFO mention of "Emmitsburg" pegged it as for Xeon Ice Lake or Cooper Lake. However, that is quite unlikely and is more than likely some other 10nm target. In particular, the Linux kernel already has Cooper Lake and Ice Lake Xeon support in good shape as would be expected given the usage of Linux on servers these days... Intel meanwhile is only adding Emmitsburg to Linux 5.9, thus if their historical punctual open-source support is any indication, the Emmitsburg chipset won't be launched until at least 2021. Linux 5.9 stable will be out in October but won't see widespread support among non-rolling Linux distributions until later on or even in 2021. 

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  • Linux 5.9 Enables P2PDMA For All AMD CPUs Zen + Newer

    The PCI subsystem updates have been sent in for the Linux 5.9 kernel. Peer-to-peer DMA support is now solid for all AMD CPUs of the Zen family or newer. 

    Support for peer-to-peer DMA (P2PDMA) on AMD Zen and newer CPUs is now set. This is for the whitelist being maintained around this feature. There previously was Zen bits in Linux 5.2 while now for Linux 5.9 appears ironed out. 

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