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7 Commits

Author SHA1 Message Date
Hans Petter Selasky
eae5868ce9 Clone the RCU interface into a sleepable and a non-sleepable part 
in the LinuxKPI.

This allows synchronize RCU to be used inside a SRCU read section.
No functional change intended.

Bump the __FreeBSD_version to force recompilation of external kernel modules.

PR:		242272
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2020-04-08 17:09:45 +00:00
Hans Petter Selasky
856b815d27 Define some RCU debug macros in the LinuxKPI. 
Submitted by:		Johannes Lundberg <johalun0@gmail.com>
MFC after:		1 week
Sponsored by:		Limelight Networks
Sponsored by:		Mellanox Technologies
 2019-03-13 19:24:30 +00:00
Hans Petter Selasky
0597ffb0b5 Implement the rcu_dereference_raw() function macro. 
Make sure all RCU dereferencing use the READ_ONCE() function macro.

MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
Sponsored by:	Limelight Networks
 2018-02-18 09:10:14 +00:00
Hans Petter Selasky
a1be2ead3a Use __typeof() instead of typeof() in some RCU related macros in the LinuxKPI. 
MFC after:		1 week
Sponsored by:		Mellanox Technologies
 2017-04-19 13:04:34 +00:00
Hans Petter Selasky
1a01b4e566 Replace dummy implementation of RCU in the LinuxKPI with one based on 
the in-kernel concurrency kit's ck_epoch API. Factor RCU hlist_xxx()
functions into own rculist.h header file.

Obtained from:		kmacy @
MFC after:		1 week
Sponsored by:		Mellanox Technologies
 2017-02-21 18:04:21 +00:00
Hans Petter Selasky
c7c96d1093 LinuxKPI list updates: 
- Add some new hlist macros.
- Update existing hlist macros removing the need for a temporary
  iteration variable.
- Properly define the RCU hlist macros to be SMP safe with regard
  to RCU.
- Safe list macro arguments by adding a pair of parentheses.
- Prefix the _list_add() and _list_splice() functions with "linux"
  to reflect they are LinuxKPI internal functions.

Obtained from:	Linux
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2016-01-26 15:12:31 +00:00
Hans Petter Selasky
e10c4cc0a4 Implement RCU mechanism using shared exclusive locks. 
MFC after:	1 week
Sponsored by:	Mellanox Technologies
 2016-01-05 12:22:45 +00:00