Monday Patch Queue Review update (2021-09-13)

[Carlos O'Donell via Libc-alpha <libc-alpha@sourceware.org>]

Most recent meeting status is always here:
https://sourceware.org/glibc/wiki/PatchworkReviewMeetings#Update

Meeting: 2021-09-13 @ 0900h EST (UTC-5)

Video/Audio: https://bluejeans.com/9093064454

IRC: #glibc on OFTC.

Review new patches and restart review at the top.

 * 334 patches to review.
 * 44860 [v2] nptl: Fix type of pthread_mutexattr_getrobust_np, pthread_mutexattr_setrobust_np (bug 28036)
   * Carlos will review.
 * Florian got feedback on pthread_cancel ESRCH changes.
   * Pushed to master and relase/2.34/master.
 * sysconf revert patches?
   * Florian reviewed the patches.
   * Final patches have some issues in the test case.
   * The rest is OK.
 * Siddhesh has a couple of locale realted patches that need review.
   * 44430 - v2 setlocale needs review (codonell)
   * 44607 - iconvconfig: Fix behaviour with --prefix [BZ #28199] (arjun)
 * Carlos to raise locale source file header review with Mike Frysinger.
   * Attempt to get consensus on default headers to use.
 * Szabolcs: No patches, but regression report of the latest glibc release has dynamic tls fixes.
   * Introduced a new lock in pthread_create.
   * Florian: Can we get a new lock?
   * The problem: Thread A: rtld lock -> user lock, B: user lock -> rtld lock. Deadlock.
   * https://sourceware.org/bugzilla/show_bug.cgi?id=15686
     * Fix for dyanmic tls bug fix regression.
   * Report: https://sourceware.org/bugzilla/show_bug.cgi?id=19329#c39
 * Carlos is looking to review 2767
   * https://patchwork.sourceware.org/project/glibc/list/?series=2767
   * Reports that dotnet runtime is impacted by this on Linux.
 * C.UTF-8 is in master, but will not be backported to release/2.34/master due to distribution impact.
   * Distros can either pick it up manually, or when 2.35 releases.
 * RISC-V looking at extending this to 4K vector.
   * Arm SVE is passing down linked-list kind of structure that links up the extensions.
   * Kernel dumps register states on the stack.
   * Headers point to extra register state.
   * AT_MINSIGSTKSZ is used there.
   * Florian will post a note about the Arm SVE case as an example to review.
 * 44926 - [v9,1/1] Extend struct r_debug to support multiple namespaces [BZ #15971]
   * Florian to review.
 * 44924 - [v2] posix: Fix attribute access mode on getcwd [BZ #27476]
   * Florain to review (since he reviewed v1)
 * 44897 -  Add MADV_POPULATE_READ and MADV_POPULATE_WRITE from Linux 5.14 to bits/mman-linux.h
   * https://patchwork.sourceware.org/project/glibc/patch/alpine.DEB.2.22.394.2109072123510.1731265@digraph.polyomino.org.uk/
   * Asking DJ for review.
 * 32-bit Arm atomic issue.
   * https://sourceware.org/pipermail/libc-help/2021-September/006004.html
   * Needs resolving in atomic.h.
 * Stopped at 44884.

-- 
Cheers,
Carlos.