[ANNOUNCE] v4.14.27-rt21

[Sebastian Andrzej Siewior]

Dear RT folks!

I'm pleased to announce the v4.14.27-rt21 patch set. 

Changes since v4.14.27-rt20:

  - The blk-queue triggered a warning in swake_up_all() because it
    invoked the function with disabled interrupts in !RT configs.
    Reported by Corey Minyard.

  - The cpu_chill() function invokes do_nanosleep() which could access
    stale user space pointer.

Known issues
     - A warning triggered in "rcu_note_context_switch" originated from
       SyS_timer_gettime(). The issue was always there, it is now
       visible. Reported by Grygorii Strashko and Daniel Wagner.

The delta patch against v4.14.27-rt20 is appended below and can be found here:
 
     https://cdn.kernel.org/pub/linux/kernel/projects/rt/4.14/incr/patch-4.14.27-rt20-rt21.patch.xz

You can get this release via the git tree at:

    git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git v4.14.27-rt21

The RT patch against v4.14.27 can be found here:

    https://cdn.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patch-4.14.27-rt21.patch.xz

The split quilt queue is available at:

    https://cdn.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.27-rt21.tar.xz

Sebastian