From: "David S. Miller" <davem@redhat.com>
To: Paul.McKenney@us.ibm.com
Cc: linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net,
rth@redhat.com
Subject: Re: RFC: patch to allow lock-free traversal of lists with insertion
Date: Mon, 08 Oct 2001 22:56:10 -0700 (PDT) [thread overview]
Message-ID: <20011008.225610.94885115.davem@redhat.com> (raw)
In-Reply-To: <OF2F33BD66.440BE6A1-ON88256AE0.001DFF26@boulder.ibm.com>
In-Reply-To: <OF2F33BD66.440BE6A1-ON88256AE0.001DFF26@boulder.ibm.com>
From: "Paul McKenney" <Paul.McKenney@us.ibm.com>
Date: Mon, 8 Oct 2001 22:27:44 -0700
All other CPUs must observe the preceding stores before the following
stores.
...
Does this do the trick?
membar #StoreStore
Yes.
The IPIs and related junk are I believe needed only on Alpha, which has
no single memory-barrier instruction that can do wmbdd()'s job. Given
that Alpha seems to be on its way out, this did not seem to me to be
too horrible.
I somehow doubt that you need an IPI to implement the equivalent of
"membar #StoreStore" on Alpha. Richard?
Franks a lot,
David S. Miller
davem@redhat.com
next prev parent reply other threads:[~2001-10-09 5:56 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-09 5:27 RFC: patch to allow lock-free traversal of lists with insertion Paul McKenney
2001-10-09 5:56 ` David S. Miller [this message]
2001-10-09 6:43 ` Richard Henderson
-- strict thread matches above, loose matches on Subject: below --
2001-10-11 1:56 Paul E. McKenney
2001-10-12 4:14 ` Rusty Russell
2001-10-13 14:48 ` Paul E. McKenney
2001-10-10 21:47 Paul McKenney
2001-10-10 22:22 ` Richard Henderson
2001-10-10 22:27 ` Richard Henderson
2001-10-10 1:19 Paul McKenney
2001-10-10 1:43 ` Andrea Arcangeli
2001-10-09 18:01 Paul McKenney
2001-10-09 17:46 Paul McKenney
2001-10-09 16:51 Manfred Spraul
2001-10-09 15:45 Paul McKenney
2001-10-09 17:00 ` Richard Henderson
2001-10-10 3:33 ` Paul Mackerras
2001-10-10 17:02 ` Richard Henderson
2001-10-09 15:28 Paul McKenney
2001-10-09 15:24 Paul McKenney
2001-10-09 1:55 Paul E. McKenney
2001-10-09 2:18 ` David S. Miller
2001-10-09 6:52 ` Richard Henderson
2001-10-09 9:03 ` Rusty Russell
2001-10-09 16:11 ` Richard Henderson
2001-10-10 1:39 ` Rusty Russell
2001-10-09 7:13 ` BALBIR SINGH
2001-10-09 7:46 ` Dipankar Sarma
2001-10-09 8:21 ` BALBIR SINGH
2001-10-09 8:48 ` Dipankar Sarma
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