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Add a small runtime fix to __stp_time_local_update().

* runtime/time.c (__stp_time_local_update): Call
  write_seqlock_irqsave()/write_sequnlock_irqrestore() instead of
  write_seqlock()/write_sequnlock() to correctly wait while interrupts are
  disabled.

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Josh Stone [Wed, 14 Dec 2016 19:55:07 +0000 (11:55 -0800)]

Simplify embedded-tags visitors

Both embeddedcode and embedded_expr now have tagged_p members, and a few
of the cases checking for embedded tags can now do so more directly,
rather than trying a deep traversal.

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David Smith [Wed, 14 Dec 2016 16:07:15 +0000 (10:07 -0600)]

Improve relayfs autoconf test for F24.

* runtime/linux/autoconf-relay_buf-per_cpu_ptr.c: Improve test so that it
properly fails on Fedora 24's 4.8.10-200.fc24.x86_64 kernel.

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David Smith [Tue, 13 Dec 2016 23:01:12 +0000 (17:01 -0600)]

Removed runtime/linux/autoconf-get_proc_freq.c, which isn't ready yet.

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David Smith [Tue, 13 Dec 2016 22:55:36 +0000 (16:55 -0600)]

Fix get_user_pages_remote() autoconf test for 4.8 kernels.

* runtime/linux/autoconf-get_user_pages_remote-flags.c: Since later
autoconf-style test don't get the results of previous tests, remove
STAPCONF_GET_USER_PAGES_REMOTE check.

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Cody Santing [Fri, 9 Dec 2016 21:40:10 +0000 (16:40 -0500)]

PR20889: metadatabase.db location

* Makefile.am: Remove DOCDIR. Copy examples to $pkgdatadir rather than $docdir.
* Makefile.in: Updated using autoreconf.
* NEWS: Mention new examples location.
* doc/Makefile.in: Updated using autoreconf.
* doc/beginners/Makefile.in: same
* interactive.cxx: Look for metadatabase.db under PKGDATADIR rather than DOCDIR.
* java/Makefile.in: Updated using autoreconf.
* systemtap.spec: Update location of examples directory.

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David Smith [Fri, 9 Dec 2016 19:50:34 +0000 (13:50 -0600)]

Fix BZ1386120 by fixing systemtap bulk-mode output.

* runtime/transport/relay_v2.c (__stp_relay_wakeup_timer): Fix typo error
introduced in bulk-mode output.

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David Smith [Fri, 9 Dec 2016 17:41:35 +0000 (11:41 -0600)]

Fix BZ1386120 by updating systemtap to handle the 4.9 kernel.

* runtime/linux/access_process_vm.h (__access_process_vm_): Use
  STAPCONF_GET_USER_PAGES_REMOTE_FLAGS to handle get_user_pages_remote()
  kernel function API change.
* runtime/transport/procfs.c (_stp_proc_read): Use _stp_get_rchan_subbuf()
  macro to handle kernel relayfs rchan->buf changes.
* runtime/transport/relay_v2.c (__stp_relay_wakeup_timer): Ditto.
  (_stp_data_write_reserve): Ditto.
* runtime/transport/symbols.c (_stp_module_panic_notifier): Ditto.
* buildrun.cxx (compile_pass): Add autoconf-style tests.
* runtime/linux/autoconf-get_user_pages_remote-flags.c: New file.
* runtime/linux/autoconf-relay_buf-per_cpu_ptr.c: New file.
* runtime/transport/relay_compat.h: New file.

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Frank Ch. Eigler [Wed, 7 Dec 2016 15:26:46 +0000 (10:26 -0500)]

elaborate.cxx: make "side-effect-free probe" warnings suppressable

The low level probe_XXXX name is not useful anyway.

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Martin Cermak [Tue, 6 Dec 2016 13:42:48 +0000 (14:42 +0100)]

Fix the initscript/99stap/check.in syntax.

systemtap: system-wide probe/trace tool

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