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Implement the rcu_dereference_raw() function macro.

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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
This commit is contained in:
Hans Petter Selasky 2018-02-18 09:10:14 +00:00
parent 7c86047355
commit 0597ffb0b5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=329514
1 changed files with 5 additions and 2 deletions
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7
sys/compat/linuxkpi/common/include/linux/rcupdate.h
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@ -74,14 +74,17 @@
} while (0)
#define rcu_access_pointer(p) \
((__typeof(*p) *)(READ_ONCE(p)))
((__typeof(*p) *)READ_ONCE(p))
#define rcu_dereference_protected(p, c) \
((__typeof(*p) *)(p))
((__typeof(*p) *)READ_ONCE(p))
#define rcu_dereference(p) \
rcu_dereference_protected(p, 0)
#define rcu_dereference_raw(p) \
((__typeof(*p) *)READ_ONCE(p))
#define rcu_pointer_handoff(p) (p)
#define rcu_assign_pointer(p, v) do { \