Commit 034fb712 authored by Andrea Parri's avatar Andrea Parri Committed by Paul E. McKenney
Browse files

tools/memory-model: Avoid duplicating herdtools versions 



Currently, herdtools version information appears no fewer than three
times in the LKMM source, which is difficult to maintain.  This commit
therefore places the required version in one place, namely the
tools/memory-model/README file.

Signed-off-by: default avatarAndrea Parri <andrea.parri@amarulasolutions.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.ibm.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
parent 9393998e

tools/memory-model/README

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@@ -20,13 +20,17 @@ that litmus test to be exercised within the Linux kernel. 
REQUIREMENTS

============



Version 7.49 of the "herd7" and "klitmus7" tools must be downloaded

separately:

Version 7.52 or higher of the "herd7" and "klitmus7" tools must be

downloaded separately:



  https://github.com/herd/herdtools7



See "herdtools7/INSTALL.md" for installation instructions.



Note that although these tools usually provide backwards compatibility,

this is not absolutely guaranteed.  Therefore, if a later version does

not work, please try using the exact version called out above.





==================

BASIC USAGE: HERD7

tools/memory-model/linux-kernel.cat

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// SPDX-License-Identifier: GPL-2.0+

(*

 * Requires herd version 7.51+6 or higher.

 *

 * Copyright (C) 2015 Jade Alglave <j.alglave@ucl.ac.uk>,

 * Copyright (C) 2016 Luc Maranget <luc.maranget@inria.fr> for Inria

 * Copyright (C) 2017 Alan Stern <stern@rowland.harvard.edu>,

tools/memory-model/lock.cat

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@@ -6,9 +6,6 @@ 


(*

 * Generate coherence orders and handle lock operations

 *

 * Warning: spin_is_locked() crashes herd7 versions strictly before 7.48.

 * spin_is_locked() is functional from herd7 version 7.49.

 *)



include "cross.cat"

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