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    SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.21
    Ingo Molnar wrote:

    >i have released the -V0.7.21 Real-Time Preemption patch, which can be
    >downloaded from the usual place:
    >
    > http://redhat.com/~mingo/realtime-preempt/
    >
    >this release includes fixes and debugging-improvements.
    >
    >Changes since -V0.7.20:
    >
    > - reverted the modlist_lock change - it caused more problems than it
    > solved.
    >
    > - implemented irqs-off critical section timing/tracing, inspired by the
    > positive results Thomas Gleixner got with a different kind of cli/sti
    > tracer. To activate it, enable CONFIG_CRITICAL_TIMING and
    > CONFIG_CRITICAL_IRQSOFF_TIMING and cli/sti latencies will be reported
    > 'integrated' into the preempt on/off latencies.
    >
    > - sped up tracing in a number of ways. Performance of the tracer slowly
    > eroded in the past week or two, it needed alignment and size fixes ,
    > inlining/branch-prediction updates and i got rid of unnecessary code.
    > The max latency is now traced in cycles - this got rid of an
    > expensive 64-bit division in the fastpath. (the /proc/sys tunables
    > are still in usecs so userspace should not notice anything.) It's
    > still not cheap but roughly 5 times faster than -V0.7.20's tracer, on
    > a fast desktop box.
    >
    > - renamed CONFIG_PREEMPT_REALTIME to CONFIG_PREEMPT_RT - it's shorter.
    >
    > - renamed CONFIG_PREEMPT_TIMING to CONFIG_CRITICAL_TIMING and
    > introduced CONFIG_CRITICAL_IRQSOFF_TIMING to enable cli/sti timing.
    >
    >to create a -V0.7.21 tree from scratch, the patching order is:
    >
    > http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.9.tar.bz2
    > http://kernel.org/pub/linux/kernel/v2.6/testing/patch-2.6.10-rc1.bz2
    > http://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.10-rc1/2.6.10-rc1-mm3/2.6.10-rc1-mm3.bz2
    > http://redhat.com/~mingo/realtime-preempt/realtime-preempt-2.6.10-rc1-mm3-V0.7.21
    >
    > Ingo
    >
    >
    >
    When trying to patch my kernel i get following notice:
    patching file include/linux/highmem.h
    patch unexpectedly ends in middle of line
    patch: **** unexpected end of file in patch
    -
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