linux-kernel - [PATCH] locking/qspinlock: Fix inaccessible URL of MCS lock paper

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Message-Id: <20191223022532.14864-1-longman@redhat.com>
Date:   Sun, 22 Dec 2019 21:25:32 -0500
From:   Waiman Long <longman@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Will Deacon <will.deacon@....com>
Cc:     linux-kernel@...r.kernel.org, Waiman Long <longman@...hat.com>
Subject: [PATCH] locking/qspinlock: Fix inaccessible URL of MCS lock paper

It turns out that the URL of the MCS lock paper listed in the source
code is no longer accessible. I did got question about where the paper
was. This patch updates the URL to one that is still accessible.

Signed-off-by: Waiman Long <longman@...hat.com>
---
 kernel/locking/qspinlock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c
index 2473f10c6956..1d008d2333c0 100644
--- a/kernel/locking/qspinlock.c
+++ b/kernel/locking/qspinlock.c
@@ -34,7 +34,7 @@
  * MCS lock. The paper below provides a good description for this kind
  * of lock.
  *
- * http://www.cise.ufl.edu/tr/DOC/REP-1992-71.pdf
+ * https://www.cs.rochester.edu/u/scott/papers/1991_TOCS_synch.pdf
  *
  * This queued spinlock implementation is based on the MCS lock, however to make
  * it fit the 4 bytes we assume spinlock_t to be, and preserve its existing
-- 
2.18.1