Date: Sun, 25 Feb 2018 10:33:55 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r329970 - stable/11/sys/compat/linuxkpi/common/include/linux Message-ID: <201802251033.w1PAXtur018203@repo.freebsd.org>
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Author: hselasky Date: Sun Feb 25 10:33:55 2018 New Revision: 329970 URL: https://svnweb.freebsd.org/changeset/base/329970 Log: MFC r329514: Implement the rcu_dereference_raw() function macro. Make sure all RCU dereferencing use the READ_ONCE() function macro. Submitted by: Johannes Lundberg <johalun0@gmail.com> Sponsored by: Mellanox Technologies Sponsored by: Limelight Networks Modified: stable/11/sys/compat/linuxkpi/common/include/linux/rcupdate.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/compat/linuxkpi/common/include/linux/rcupdate.h ============================================================================== --- stable/11/sys/compat/linuxkpi/common/include/linux/rcupdate.h Sun Feb 25 10:33:12 2018 (r329969) +++ stable/11/sys/compat/linuxkpi/common/include/linux/rcupdate.h Sun Feb 25 10:33:55 2018 (r329970) @@ -74,13 +74,16 @@ } 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)
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