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​Linux 4.15: Good news and bad news about Meltdown and Spectre

We’re not at the ‘fixed’ stage yet. It’s not over ’till the [grumpy Scandinavian] sings…:


On the Linux Kernel Mailing List (LKML), Torvalds explained, “The bulk of the 4.15 work is all the regular plodding ‘boring’ stuff. And I mean that in the best possible way. It may not be glamorous and get the headlines, but it’s the bread and butter of kernel development, and is in many ways the really important stuff.”

Torvalds continued, “While Spectre/Meltdown has obviously been the big news this release cycle, it’s worth noting that we obviously had all the *normal* updates going on too, and the work everywhere else didn’t just magically stop, even if some developers have been distracted by CPU issues. In the *big* picture, 4.15 looks perfectly normal, with two thirds of the full 4.15 patch being about drivers … not by CPU bug mitigation.”

But, trying to mitigate the Meltdown and Spectre problems still ate up a lot of time and the problems are still far from done. First and foremost, like all operating system developers, Linux is waiting on Intel’s hardware designers to complete their firmware and microcode patches.


Original Article

Peter Glock
Over 30 years of designing, building and managing telecoms and IT services. Primarily working with large enterprise and professional services businesses in Asia, North America, continental Europe and the UK. Information security professional, secret physics nerd.

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