From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jan Kiszka <jan.kiszka@siemens.com>
Subject: Kernel 5.4 status
Message-ID: <d0dbd921-5127-0acc-a1df-ab5b173b7b00@siemens.com>
Date: Mon, 26 Oct 2020 08:54:54 +0100
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To: Xenomai <xenomai@xenomai.org>, "Meng, Fino" <fino.meng@intel.com>
Cc: "Pirou, Florent" <florent.pirou@intel.com>, "Wang, Rick Y" <rick.y.wang@intel.com>, "Chen, Hongzhan" <hongzhan.chen@intel.com>, Greg Gallagher <greg@embeddedgreg.com>, chensong <chensong@tj.kylinos.cn>

Hi all,

a brief update on the porting status to 5.4:

- new noarch ipipe/master is ready:

  https://gitlab.denx.de/Xenomai/ipipe-noarch/-/commits/ipipe/master

  I've regenerated the queue from Fino's work, reviewing conflict
  resolutions once again. No issues found, well done! I've only done a
  few cleanups and added missing patches from the latest 4.19-noarch.

  This should now be a reasonable baseline for porting other archs.

- x86 5.4 branch is also ready:

  https://gitlab.denx.de/Xenomai/ipipe-x86/-/commits/ipipe-x86-5.4.y

  Here I added the FPU changes, fixing the hard-irqs mask leak and
  hardening an additionally needed path (fpu__clear). I've also done a
  full merge conflict review, and I think I found and fixed issues in
  the kvm code. Still untested, though. I've cleaned up the GTOD update.
  I furthermore fixed missing hard-irqs reenabling in some page-fault
  paths. And added latest x86 patches from 4.19.

- Xenomai next is almost ready:

  https://gitlab.denx.de/Xenomai/xenomai/-/commits/next

  RTnet and Analogy are not building ATM. That still breaks CI. But the
  result is otherwise working fine, at least in QEMU/KVM. More tests
  welcome!

Jan

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