From: David Howells <dhowells@redhat.com>
To: Pranith Kumar <bobby.prani@gmail.com>
Cc: dhowells@redhat.com, "David S. Miller" <davem@davemloft.net>,
Dan Carpenter <dan.carpenter@oracle.com>,
"open list:NETWORKING [GENERAL]" <netdev@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>,
paulmck@linux.vnet.ibm.com
Subject: Re: [PATCH 16/16] rxrpc: Replace smp_read_barrier_depends() with lockless_dereference()
Date: Thu, 13 Nov 2014 23:07:27 +0000 [thread overview]
Message-ID: <26069.1415920047@warthog.procyon.org.uk> (raw)
In-Reply-To: <546528BF.5040902@gmail.com>
Pranith Kumar <bobby.prani@gmail.com> wrote:
> OK. Should I send in a patch removing these barriers then?
No. There need to be stronger barriers, at least in some of the cases.
circular-buffers.txt details what is required, but not all of the cases match
the pattern there, so it needs a bit more consideration.
David
next prev parent reply other threads:[~2014-11-13 23:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1415906662-4576-1-git-send-email-bobby.prani@gmail.com>
2014-11-13 19:24 ` [PATCH 15/16] netfilter: Replace smp_read_barrier_depends() with lockless_dereference() Pranith Kumar
2014-11-13 19:24 ` [PATCH 16/16] rxrpc: " Pranith Kumar
2014-11-13 20:17 ` David Howells
2014-11-13 20:47 ` David Howells
2014-11-13 21:55 ` Pranith Kumar
2014-11-13 23:07 ` David Howells [this message]
2014-11-13 20:07 ` [RFC PATCH 00/16] Replace smp_read_barrier_depends() with lockless_derefrence() Paul E. McKenney
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