This adds some tracepoint instrumentation taken from the LTTng patch
    series. Tracepoints are enabled for kernel-debug and kernel-trace only. I
    disabled ftrace for all flavors except kernel-debug and kernel-trace as well.
    
    - Update config files.
    - rpm/kernel-source.spec.in,kernel-binary.spec.in, config.conf: Add trace
      flavor
    - patches.fixes/ia64-sparse-fixes.diff: ia64-kvm: fix sparse
      warnings.
    - patches.xen/xen3-fixup-common: rediff
    - patches.xen/xen3-auto-common.diff: rediff
    - patches.xen/xen3-patch-2.6.21: rediff
    - patches.xen/xen3-patch-2.6.26: rediff
    - patches.trace/rcu-read-sched.patch
    - patches.trace/markers-use-rcu-read-lock-sched.patch
    - patches.trace/tracepoints.patch
    - patches.trace/tracepoints-use-table-size-macro.patch
    - patches.trace/tracepoints-documentation.patch
    - patches.trace/tracepoints-tracepoint-synchronize-unregister.patch
    - patches.trace/tracepoints-documentation-fix-teardown.patch
    - patches.trace/tracepoints-samples.patch
    - patches.trace/tracepoints-samples-fix-teardown.patch
    - patches.trace/lttng-instrumentation-irq.patch
    - patches.trace/lttng-instrumentation-scheduler.patch
    - patches.trace/lttng-instrumentation-timer.patch
    - patches.trace/lttng-instrumentation-kernel.patch
    - patches.trace/lttng-instrumentation-filemap.patch
    - patches.trace/lttng-instrumentation-swap.patch
    - patches.trace/lttng-instrumentation-memory.patch
    - patches.trace/lttng-instrumentation-page_alloc.patch
    - patches.trace/lttng-instrumentation-hugetlb.patch
    - patches.trace/lttng-instrumentation-net.patch
    - patches.trace/lttng-instrumentation-ipv4.patch
    - patches.trace/lttng-instrumentation-ipv6.patch
    - patches.trace/lttng-instrumentation-socket.patch
    - patches.trace/lttng-instrumentation-fs.patch
    - patches.trace/lttng-instrumentation-ipc.patch
    - patches.trace/ftrace-port-to-tracepoints.patch
    - patches.trace/ftrace-framepointer.diff