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2018-11-30Merge branch 'john/erts/assert-dirty-aux-work'John Högberg
* john/erts/assert-dirty-aux-work: Abort when aux work runs on a dirty scheduler
2018-11-29Merge branch 'maint'Sverker Eriksson
2018-11-29Replace mathematical jargon in erl_nif docs PR-2037Bartosz Błaszków
2018-11-27Merge branch 'maint'Lukas Larsson
2018-11-27Merge branch 'lukas/erts/fix-msacc-gc-states/OTP-15450' into maintLukas Larsson
* lukas/erts/fix-msacc-gc-states/OTP-15450: erts: Fix msacc GC states on dirty scheds
2018-11-27Abort when aux work runs on a dirty schedulerJohn Högberg
While the system will keep working, the aux work will never run and the affected scheduler never goes to sleep. OTP-15446 is a good example of this. As this error easily flies under the radar it's best to make it immediately visible. The assertions we had in debug builds were clearly not enough to catch all sources of this problem.
2018-11-27Merge branch 'maint'John Högberg
* maint: erts: fix attempt to start timer when executing on dirty scheduler
2018-11-27Merge pull request #2024 from max-au/fix_aux_work_on_dcpu_schedJohn Högberg
erts: fix attempt to start timer when executing on dirty scheduler OTP-15446
2018-11-26erts: fix attempt to start timer when executing on dirty schedulerMaxim Fedorov
Since OTP R20, there is a possibility for MAJOR garbage collection to run on dirty scheduler. So DistEntry destructor is being called on dirty scheduler as well. This, in turn, leads to an attempt to schedule timer on a dirty scheduler too, which is impossible (and will assert on debug build, but does succeed for release build, creating an infinite busy loop, since aux work wakes scheduler up, but dirty scheduler cannot execute aus work). There is a similar method in erl_hl_timer, see erts_start_timer_callback.
2018-11-26Merge branch 'maint'Sverker Eriksson
2018-11-26Merge branch 'sverker/erts/atomics-counters/OTP-13468' into maintSverker Eriksson
* sverker/erts/atomics-counters/OTP-13468: erts: Fix bug in counters erts: Refactor erl_bif_counters.c
2018-11-26Merge branch 'maint'Björn Gustavsson
* maint: persistent_term.xml: Fix spelling
2018-11-26persistent_term.xml: Fix spellingBjörn Gustavsson
2018-11-23erts: Fix bug in countersSverker Eriksson
Wow, that could have been embarrassing.
2018-11-23erts: Refactor erl_bif_counters.cSverker Eriksson
with more consistent naming.
2018-11-23Merge branch 'maint'John Högberg
* maint: Updated OTP version Prepare release
2018-11-23Merge branch 'maint-21' into maintJohn Högberg
* maint-21: Updated OTP version Prepare release
2018-11-23Prepare releaseErlang/OTP
2018-11-23Merge branch 'john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237' ↵Erlang/OTP
into maint-21 * john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237: Allow disabling retpoline in interpreter loop Add a ./configure flag for spectre mitigation
2018-11-23Merge branch 'maint'John Högberg
* maint: Allow disabling retpoline in interpreter loop Add a ./configure flag for spectre mitigation
2018-11-23Merge branch 'john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237' ↵John Högberg
into maint * john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237: Allow disabling retpoline in interpreter loop Add a ./configure flag for spectre mitigation
2018-11-22Merge branch 'maint'Sverker Eriksson
2018-11-22Merge branch 'sverker/erts/atomics-counters/OTP-13468' into maintSverker Eriksson
AGAIN * sverker/erts/atomics-counters/OTP-13468: erts: Add counters:put/3
2018-11-21erts: Clarify erl_nif docs about callback environmentsSverker Eriksson
2018-11-21erts: Add counters:put/3Sverker Eriksson
2018-11-20Merge branch 'john/erts/spectre-configure-flag/OTP-15430/ERIERL-237' into ↵John Högberg
john/erts/spectre-configure-flag-otp_20/OTP-15430/ERIERL-237 * john/erts/spectre-configure-flag/OTP-15430/ERIERL-237: Allow disabling retpoline in interpreter loop Add a ./configure flag for spectre mitigation
2018-11-20Allow disabling retpoline in interpreter loopJohn Högberg
We only do this when the user has explicitly told us it's okay to partially disable mitigation (spectre-mitigation=incomplete). The macro is inert if it isn't.
2018-11-20Add a ./configure flag for spectre mitigationJohn Högberg
Note that the ERTS_NO_RETPOLINE macro introduced by this commit is completely inert unless spectre-mitigation is set to 'incomplete.' This includes when mitigation has been manually enabled through CFLAGS, so it should be impossible for it to unintentionally disable mitigation.
2018-11-20Merge branch 'sverker/ets-ordered-set-fixups'Sverker Eriksson
2018-11-16erts: Fix offheap leak of ets catree tmp iteration keySverker Eriksson
Also fix erts_debug:get_internal_status(node_and_dist_references) for catree to also search route node keys for offheap stuff.
2018-11-16erts: Refactor out erts_test_utils from node_container_SUITESverker Eriksson
to be usable by other application tests.
2018-11-16erts: Refactor erl_db_catree.cSverker Eriksson
with some code moving and removed obsolete comments.
2018-11-16Merge branch 'john/erts/plusplus-trapping/OTP-15427'John Högberg
* john/erts/plusplus-trapping/OTP-15427: Don't use too many reductions in lists:reverse/2 Make '++'/2 trapping
2018-11-16Merge branch 'maint'John Högberg
* maint: Updated OTP version Prepare release
2018-11-16Merge branch 'maint-21' into maintJohn Högberg
* maint-21: Updated OTP version Prepare release
2018-11-16Merge branch 'maint'John Högberg
* maint: Fix broken assertion on monitor release Avoid closing files in gc/monitor callbacks
2018-11-16Merge branch 'john/erts/defer-orphan-file-close/OTP-15421/ERIERL-261' into maintJohn Högberg
* john/erts/defer-orphan-file-close/OTP-15421/ERIERL-261: Fix broken assertion on monitor release Avoid closing files in gc/monitor callbacks
2018-11-15Merge branch 'sverker/erts/ethr-dw-atomic-typo'Sverker Eriksson
2018-11-15Merge branch 'maint'Sverker Eriksson
2018-11-15Merge branch 'sverker/erts/atomics-counters/OTP-13468' into maintSverker Eriksson
* sverker/erts/atomics-counters/OTP-13468: erts: Add new module 'counters' erts: Add new module 'atomics'
2018-11-15erts: Add new module 'counters'Sverker Eriksson
2018-11-15erts: Add new module 'atomics'Sverker Eriksson
2018-11-15Prepare releaseErlang/OTP
2018-11-14Merge pull request #2017 from matwey/epmd-helpJohn Högberg
epmd: Move -systemd position in -help output
2018-11-14Merge branch 'maint'Lukas Larsson
* maint: Updated OTP version Prepare release Optimize operator '--' and yield on large inputs
2018-11-14Merge branch 'maint-18' into maintLukas Larsson
* maint-18: Updated OTP version Prepare release Optimize operator '--' and yield on large inputs Conflicts: OTP_VERSION erts/doc/src/notes.xml erts/emulator/beam/erl_alloc.types erts/emulator/beam/erl_bif_lists.c erts/vsn.mk lib/stdlib/doc/src/notes.xml lib/stdlib/vsn.mk make/otp_version_tickets otp_versions.table
2018-11-13Fix broken assertion on monitor releaseJohn Högberg
We sometimes bump the refc without messing with the table, which means that we sometimes decrement it while in the table, causing the old assertion to fail. The property we want to check is that neither end of the monitor is present in the table when the monitor is deleted.
2018-11-13Avoid closing files in gc/monitor callbacksJohn Högberg
Closing files in these callbacks could block scheduler progress and cause major system instability. We now defer these operations to a dedicated process instead. This process may in turn block forever and prevent further orphaned files from being closed, but it will keep the emulator itself from misbehaving.
2018-11-12erts: Fix benign typo in ethr_dw_atomic.h filesSverker Eriksson
2018-11-09epmd: Move -systemd position in -help outputMatwey V. Kornilov
-systemd option help is currently shown in "Interactive options" section. The option is not interactive one. Fixes: b7c95eabf601 ("Add systemd socket activation for epmd") Signed-off-by: Matwey V. Kornilov <[email protected]>
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