LWN User: Password= Subscribe Register Lnet News from the source Welcome to LWN.net Content LWN.net is reader-supported news site dedicated to producing the best coverage from within the Linux and Weekly Edition free software development communities See the_LWNEAQ for more information; and please consider Archives subscribing to gain full access and support our activities Search Kernel [S] Four short stories about preempt_counto Bottomley: Creating home IPv6 network Security [Kernel] Posted Sep 18_ 2020 14.49 UTC (Fri) by corbet [Kemel] Posted Sep 18 2020 14.48 UTC (Fri) by corbet Distributions The discussion started out as staightfoward set from James Bottomley has together detailed recounting Events calendar Thomas Gleixner making minor change t0 how preemption of what it took to get IPv6 fully working on his Unread comments counting is handled: The resulting discussion quickly spread network; "One of the vou 'd think from the above out t0 cover number of issues relevant to core-kernel is that IPv6 always auto configures and, while it is true LWN FAQ development in surprisingly few messages; each of those that if you simply plug your laptop into the ethernet port Write for US topics merits quick look; with how the preemption cable modem it will just automatically configure, counter itself works Sometimes simple count turns out t0 most people have more complex home setup not be as simple as it seems involving router; which needs some special coaxing before it will work. That means need to obtain EuL (comments: L) additional features from your ISP using special DHCPv6 requests Comments (none posted) [S] The seqcount latch lock type Security updates for Friday [Kernel] Posted Sep 17 2020 14.49 UTC (Thu) by corbet [Security] Posted Sep 18, 2020 [4.22 UTC (Fri) by jake The kernel contains wide variety of locking primitives; it Security updates have been issued by Arch Linux can be hard to on top of all of them_ So even veteran (chromium and netbeans), Oracle (mysql:8.0 and kernel developers might be forgiven for being unaware of the thunderbird) , SUSE (rubygem-rack and samba), and segcount latch" lock type or its use. While this lock type has Ubuntu (apng2gif, gnupg2, libemail-address-list-perl, existed in the kernel for several years it is only being libproxy, pulseaudio, pure- samba; and xawtv). formalized with proper declaration in 5.10. So this seems like time to look at what these locks are and EullStory (comments:none: how they work_ EuLStory (comments: 3) [S] LWNnet Weekly Edition for September 17, Stable kernels 5.8.10, 5.4.66_ and 4.19.146 2020 [Kemel] Posted Sep 17, 2020 16.05 UTC (Thu) by jake Log patch pul things starting you Stoly stay -ftpd; type good