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* maint:
Updated OTP version
Update release notes
Update version numbers
kernel: Fix missing abort_connection in net_kernel
Prevent inconsistent node lists
Fix an endless rescheduling loop when a process is executing process_info(self(), ...)
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* maint-21:
Updated OTP version
Update release notes
Update version numbers
kernel: Fix missing abort_connection in net_kernel
Prevent inconsistent node lists
Fix an endless rescheduling loop when a process is executing process_info(self(), ...)
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* maint:
Fix an endless rescheduling loop when a process is executing process_info(self(), ...)
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Fix an endless rescheduling loop when a process is executing process_…
OTP-15275
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Correct dialyzer spec for key option
OTP-15281
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* sverker/net_kernel-missing-aborts/OTP-15280:
kernel: Fix missing abort_connection in net_kernel
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* rickard/dist-entry-gc-fix/OTP-15279:
Prevent inconsistent node lists
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* max-au/handle_signals_before_dirty_gc/OTP-15275:
Fix an endless rescheduling loop when a process is executing process_info(self(), ...)
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If net_kernel "forgets" to abort a connection (as it currently might),
the garbage collection of a distribution entry could cause node lists
to enter an inconsistent state.
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* sverker/erts/ets-memstat-false-leak/ERL-720/OTP-15278:
erts: Refactor ets FixedDeletion allocations
erts: Fix ets memstat false leak of FixedDeletion
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Introduce a put_tuple2 instruction
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* ingela/ssl/initial-tls-1.3-functions:
ssl: Initial cipher suites adoption for TLS-1.3
ssl: Add new TLS-1.3 Alerts
ssl: Add initial TLS 1.3 hanshake encode/decode support
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process_info(self(), ...)
It is possible that a process has to yield before completing process_info BIF when it runs out of reductions. If this BIF is called by the process itself, it does not send a signal but executes in the context of a process. If it has to yield, it turns F_LOCAL_SIGS_ONLY flag on, which means new signals won't be fetched from the outer message queue.
When the same process needs to execute dirty system code (e.g. dirty GC) it has to be run on a dirty scheduler. However signals enqueued into outer queue cause it to be rescheduled on a normal scheduler. F_LOCAL_SIGS_ONLY prevent outer queue signals delivery, creating an endless rescheduling loop.
This commit disengages F_LOCAL_SIG_ONLY if process needs to execute dirty code in order to complete signal delivery and allow process to be moved to dirty run queue.
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This commit filters out cipher suites not to be used in TLS-1.3
We still need to add new cipher suites for TLS-1.3 and possible
add new information to the suite data structure.
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Erl compare ext lists bug (ERL-705)
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Fix bug in compact representation of float_to_list/2
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Fix type spec of ms_transform:parse_trans/2
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causing erlang:memory to report too much ets memory.
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Sometimes when building a tuple, there is no way to avoid an
extra `move` instruction. Consider this code:
make_tuple(A) -> {ok,A}.
The corresponding BEAM code looks like this:
{test_heap,3,1}.
{put_tuple,2,{x,1}}.
{put,{atom,ok}}.
{put,{x,0}}.
{move,{x,1},{x,0}}.
return.
To avoid overwriting the source register `{x,0}`, a `move`
instruction is necessary.
The problem doesn't exist when building a list:
%% build_list(A) -> [A].
{test_heap,2,1}.
{put_list,{x,0},nil,{x,0}}.
return.
Introduce a new `put_tuple2` instruction that builds a tuple in a
single instruction, so that the `move` instruction can be eliminated:
%% make_tuple(A) -> {ok,A}.
{test_heap,3,1}.
{put_tuple2,{x,0},{list,[{atom,ok},{x,0}]}}.
return.
Note that the BEAM loader already combines `put_tuple` and `put`
instructions into an internal instruction similar to `put_tuple2`.
Therefore the introduction of the new instruction will not speed up
execution of tuple building itself, but it will be less work for
the loader to load the new instruction.
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* maint:
ops.tab: Fix potentially unsafe optimization of raise/2
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The operands for the raise/2 instruction are almost always in x(2) and
x(1). Therefore the loader translates the raise/2 instruction to an
i_raise/0 instruction which uses the values in x(2) and x(1). If the
operands happens to be in other registers, the loader inserts move/2
instruction to move them to x(2) and x(1).
The problem is that x(3) is used as a temporary register when
generating the move/2 instructions. That is unsafe if the
Value operand for raise/2 is x(3).
Thus:
raise x(0) x(3)
will be translated to:
move x(0) x(3)
move x(3) x(1)
move x(3) x(2)
i_raise
The Trace will be written to both x(2) and x(1).
The current compiler will never use x(3) for the Value operand,
so there is no need to patch previous releases. But a future compiler
version might allocate registers differently.
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process_info(self(), ...)
It is possible that a process has to yield before completing process_info BIF when it runs out of reductions. If this BIF is called by the process itself, it does not send a signal but executes in the context of a process. If it has to yield, it turns F_LOCAL_SIGS_ONLY flag on, which means new signals won't be fetched from the outer message queue.
When the same process needs to execute dirty system code (e.g. dirty GC) it has to be run on a dirty scheduler. However signals enqueued into outer queue cause it to be rescheduled on a normal scheduler. F_LOCAL_SIGS_ONLY prevent outer queue signals delivery, creating an endless rescheduling loop.
This commit disengages F_LOCAL_SIG_ONLY if process needs to execute dirty code in order to complete signal delivery and allow process to be moved to dirty run queue.
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* maint:
crypto: Let otp_test_engine only add what is needed OpenSSL_add_all_algorithms hangs on some test machines
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* hans/crypto/init_test_engine_fix:
crypto: Let otp_test_engine only add what is needed OpenSSL_add_all_algorithms hangs on some test machines
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* maint:
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* hasse/dialyzer/improve_guards/OTP-15268/ERL-680:
dialyzer: Improve handling of complex guards
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uabboli/hasse/dialyzer/improve_guards/OTP-15268/ERL-680
dialyzer: Improve handling of complex guards
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It can also return errors and warnings.
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Conflicts:
lib/ssl/src/ssl_connection.erl
lib/ssl/src/tls_connection.erl
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* ingela/ssl/send-recv-dead-lock/ERL-622:
ssl: Improve close handling
ssl: Adopt distribution over TLS to use new sender process
ssl: Add new sender process for TLS state machine
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* maint:
Updated OTP version
Update release notes
Update version numbers
Fix missing 'in' trace events during 'running' trace
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* maint-21:
Updated OTP version
Update release notes
Update version numbers
Fix missing 'in' trace events during 'running' trace
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OpenSSL_add_all_algorithms hangs on some test machines
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