|| ||Ingo Molnar <firstname.lastname@example.org>|
|| ||[patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U1|
|| ||Thu, 14 Oct 2004 16:31:31 +0200|
|| ||Lee Revell <email@example.com>,
Rui Nuno Capela <firstname.lastname@example.org>,
Mark_H_Johnson@Raytheon.com, "K.R. Foley" <email@example.com>,
Daniel Walker <firstname.lastname@example.org>, Bill Huey <email@example.com>,
Andrew Morton <firstname.lastname@example.org>, Adam Heath <email@example.com>,
Lorenzo Allegrucci <firstname.lastname@example.org>,
Dipankar Sarma <email@example.com>|
i have released the -U1 PREEMPT_REALTIME patch:
this is a strict bugfixes-only release. With -U1 i cannot reproduce any
of the bugs on my testsystems anymore, but take care nevertheless, this
is still experimental code.
Changes since -U0:
- bugfix: fixed the highmem related crash reported by Adam Heath and i
think this could also fix the crash reported by Mark H Johnson.
- bugfix: fixed a number of networking related soft-lockups, caused by
a deadlock scenarios in the ipv4, netfilter and net-xmit locking
code. This could fix the lockup reported by Lorenzo Allegrucci.
- bugfix: enable interrupts in the int3 handler - gdb will otherwise
trigger a kernel debug message.
- cleanup: reworked the RCU API wrappers, we now have the following
this change was necessary for the network locking fixes.
- debugging helper: SysRq-T will now print the stacktrace of currently
running tasks too. (They might be a bit unreliable occasionally but
very useful to debug deadlocks.)
- configurability fix: disabled the /proc/kernel/softirq_preemption and
hardirq_preemption runtime flags (and the softirq-preempt= and
hardirq-preempt= boot flags) if PREEMPT_REALTIME is enabled - in the
fully preemptible model these must always be on.
there are no known bugs at this moment, so please re-report any issues
you might still encounter.
to create a -U1 tree from scratch the patching order is:
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