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One Last RC of Linux 5.4, New Features and Linux 5.5

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Linux
  • Linux 5.4-rc8
    I'm not entirely sure we need an rc8, because last week was pretty
    calm despite the Intel hw workarounds landing. So I considered just
    making a final 5.4 and be done with it, but decided that there's no
    real downside to just doing the rc8 after having a release cycle that
    took a while to calm down.
    
    But it *has* calmed down, and I expect the upcoming week to be quiet
    too (knock wood).
    
    In fact, considering that the week after that is Thanksgiving week in
    the US, I'm hoping that most of the pull requests I get next week
    aren't fixes for 5.4, but people sending me early pull requests for
    when the merge window for 5.5 opens. That way those proactive
    developers can then sit back and relax during that turkey-filled
    feast...
    
    Anyway, looking at the rc8 diffs, the bulk of it is for the intel hw
    issues, both on the CPU side (TSX Async Abort, and the iTLB multihit
    thing), and on the GPU side (GPU hang and invalid accesses). None of
    the patches are big, and honestly, shouldn't affect anybody.
    
    The other noticeable thing in the diffs is the removal of the vboxsf
    filesystem. It will get resubmitted properly later, there was nothing
    obviously wrong with it technically, it just ended up in the wrong
    location and submitted at the wrong time. We'll get it done properly
    probably during 5.5.
    
    Outside of those two areas, there's some kvm fixes, and some minor
    core networking, VM and VFS fixes. And various random small things.
    
    Nothing really looks all that worrisome from a release standpoint, and
    as mentioned I was toying with just skipping this rc entirely. But
    better safe than sorry.
    
    Please do go give the tires a final few kicks before the expected 5.4
    release next weekend.
    
    Thanks,
    
    Linus
    
    
  • Linux 5.4-rc8 Released - Things Are Calm For Linux 5.4's Debut Next Week

    As expected, Linus Torvalds opted for doing a 5.4-rc8 kernel release today rather than going straight to Linux 5.4 stable. However, he says he could have just as well done the stable kernel release thanks to the cycle settling down.

    Linus decided to release Linux 5.4-rc8 and then ship Linux 5.4.0 next Sunday to allow for extra testing. But he wouldn't mind if kernel maintainers begin sending in their Linux 5.5 pull requests early especially since the week after next is the US Thanksgiving week.

  • The Exciting Linux 5.4 Changes From exFAT Support To Intel Tiger Lake Graphics

    It's possible this afternoon Linus Torvalds will release Linux 5.4 stable but considering his communications in recent weeks and many changes still flowing in this week, it's more than likely he will divert and release Linux 5.4-rc8 today and then ship this next stable kernel update on the next Sunday.

  • Linux 5.5 Should Bring Another Power Management Improvement For Intel Ice Lake

    The upcoming Linux 5.5 kernel cycle should bring an improvement for power management on Intel's latest-generation Ice Lake processors.

    With my Dell XPS 7390 Ice Lake Core i7 testing the power management has been quite good, but it looks like Linux 5.5 will be even better. On Saturday this commit was staged as part of USB testing code ahead of the upcoming Linux 5.5 merge window.

Linux Kernel 5.4 to Arrive on November 24th as Linus Torvalds...

  • Linux Kernel 5.4 to Arrive on November 24th as Linus Torvalds Releases Last RC

    Last week, Linus Torvalds was considering if there's need for an eighth Release Candidate (RC) for the upcoming Linux 5.4 kernel series, which is only needed on very busy development cycles, but while things were quite calm he still released the RC8 milestone just to make sure everything is in place and working out-of-the-box because more testing never hurts.

    "I'm not entirely sure we need an rc8, because last week was pretty calm despite the Intel hw workarounds landing. So I considered just making a final 5.4 and be done with it, but decided that there's no real downside to just doing the rc8 after having a release cycle that took a while to calm down," said Linus Torvalds in a mailing list announcement.

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