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Documentation/memory-barriers.txt: Cross-reference "tools/memory-model/"

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A memory consistency model is now available for the Linux kernel [1],
which "can (roughly speaking) be thought of as an automated version of
memory-barriers.txt" and which is (in turn) "accompanied by extensive
documentation on its use and its design".

Inform the (occasional) reader of memory-barriers.txt of these
developments.

[1] https://marc.info/?l=linux-kernel&m=151687290114799&w=2

Co-developed-by: Andrea Parri <parri.andrea@gmail.com>
Co-developed-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: boqun.feng@gmail.com
Cc: dhowells@redhat.com
Cc: j.alglave@ucl.ac.uk
Cc: linux-arch@vger.kernel.org
Cc: luc.maranget@inria.fr
Cc: nborisov@suse.com
Cc: npiggin@gmail.com
Cc: stern@rowland.harvard.edu
Cc: will.deacon@arm.com
Link: http://lkml.kernel.org/r/1519169112-20593-7-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Andrea Parri 2018-02-20 15:25:07 -08:00 committed by Ingo Molnar
parent 65b65f8e8b
commit 621df431b0
1 changed files with 5 additions and 1 deletions
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Documentation/memory-barriers.txt
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@ -14,7 +14,11 @@ DISCLAIMER
This document is not a specification; it is intentionally (for the sake of This document is not a specification; it is intentionally (for the sake of
brevity) and unintentionally (due to being human) incomplete. This document is brevity) and unintentionally (due to being human) incomplete. This document is
meant as a guide to using the various memory barriers provided by Linux, but meant as a guide to using the various memory barriers provided by Linux, but
in case of any doubt (and there are many) please ask. in case of any doubt (and there are many) please ask. Some doubts may be
resolved by referring to the formal memory consistency model and related
documentation at tools/memory-model/. Nevertheless, even this memory
model should be viewed as the collective opinion of its maintainers rather
than as an infallible oracle.
To repeat, this document is not a specification of what Linux expects from To repeat, this document is not a specification of what Linux expects from
hardware. hardware.