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Monday, April 12th, 2021

    Time Event
    3:39a
    Kernel prepatch 5.12-rc7
    The 5.12-rc7 kernel prepatch is out; it's
    rather larger than Linus would have liked.
    "End result: I'm still waffling about the final 5.12 release. The fact
    that we have a big rc7 does make me think that I'll probably do an rc8
    this time around. But it ends up depending a bit on how the upcoming
    week goes, and if things are deathly quiet, I may end up deciding that
    an rc8 doesn't really make sense.
    "
    3:23p
    Security updates for Monday
    Security updates have been issued by CentOS (kernel and libldb), Debian (mediawiki, qemu, ruby-kramdown, and xen), Fedora (grub2, libldb, libopenmpt, python-pikepdf, python39, samba, squid, and webkit2gtk3), openSUSE (bcc, ceph, gssproxy, hostapd, isync, kernel, openexr, openSUSE KMPs, and tpm2-tss-engine), SUSE (fwupdate and wpa_supplicant), and Ubuntu (spamassassin).
    3:51p
    The FSF on Stallman's reinstatement
    The Free Software Foundation has finally issued a statement on why the decision to return Richard Stallman to the organization's board of directors was taken.
    We decided to bring RMS back because we missed his wisdom. His historical, legal and technical acumen on free software is unrivaled. He has a deep sensitivity to the ways that technologies can contribute to both the enhancement and the diminution of basic human rights. His global network of connections is invaluable. He remains the most articulate philosopher and an unquestionably dedicated advocate of freedom in computing.

    RMS acknowledges that he has made mistakes. He has sincere regrets, especially at how anger toward him personally has negatively impacted the reputation and mission of FSF. While his personal style remains troubling for some, a majority of the board feel his behavior has moderated and believe that his thinking strengthens the work of the FSF in pursuit of its mission.

    There is also a separate statement from Stallman.

    6:31p
    [$] NUMA-aware qspinlocks
    While some parts of the core kernel reached a relatively stable "done"
    state years ago, others never really seem to be finished. One of the
    latter variety is undoubtedly the kernel's implementation of spinlocks,
    which arbitrate access to data at the lowest levels of the kernel. Lock
    performance can have a significant effect on the performance of the system
    as a whole, so optimization work can pay back big dividends. Lest one
    think that this work is finally done, the NUMA-aware
    qspinlock patch set
    shows how some more performance can be squeezed out
    of the kernel's spinlock implementation.

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