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| author |   Andrea Parri <andrea.parri@amarulasolutions.com> | 2018-07-16 11:06:03 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2018-07-17 09:30:34 +0200 |
| commit | 7696f9910a9a40b8a952f57d3428515fabd2d889 (patch) | |
| tree | 194b3c37bfd2a14378cb59bab3655ee6d0115cfb /tools/memory-model | |
| parent | locking/spinlock, sched/core: Clarify requirements for smp_mb__after_spinlock() (diff) | |
| download | linux-dev-7696f9910a9a40b8a952f57d3428515fabd2d889.tar.xz linux-dev-7696f9910a9a40b8a952f57d3428515fabd2d889.zip | |
sched/Documentation: Update wake_up() & co. memory-barrier guarantees
Both the implementation and the users' expectation [1] for the various
wakeup primitives have evolved over time, but the documentation has not
kept up with these changes: brings it into 2018.
[1] http://lkml.kernel.org/r/20180424091510.GB4064@hirez.programming.kicks-ass.net
Also applied feedback from Alan Stern.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrea Parri <andrea.parri@amarulasolutions.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Akira Yokosawa <akiyks@gmail.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Daniel Lustig <dlustig@nvidia.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jade Alglave <j.alglave@ucl.ac.uk>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luc Maranget <luc.maranget@inria.fr>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arch@vger.kernel.org
Cc: parri.andrea@gmail.com
Link: http://lkml.kernel.org/r/20180716180605.16115-12-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/memory-model')
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