From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: andi@firstfloor.org, hpa@zytor.com, kaber@trash.net,
herbert@gondor.apana.org.au, hkchu@google.com,
mwdalton@google.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] csum experts, csum_replace2() is too expensive
Date: Fri, 21 Mar 2014 14:52:29 -0400 (EDT) [thread overview]
Message-ID: <20140321.145229.1026128975151125729.davem@davemloft.net> (raw)
In-Reply-To: <1395406250.9114.142.camel@edumazet-glaptop2.roam.corp.google.com>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 21 Mar 2014 05:50:50 -0700
> It looks like a barrier() would be more appropriate.
barrier() == __asm__ __volatile__(:::"memory")
next prev parent reply other threads:[~2014-03-21 18:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1395341341.9114.93.camel@edumazet-glaptop2.roam.corp.google.com>
[not found] ` <87a9cknwk4.fsf@tassilo.jf.intel.com>
2014-03-21 12:50 ` Eric Dumazet
2014-03-21 13:28 ` Andi Kleen
2014-03-21 13:32 ` Eric Dumazet
2014-03-21 13:47 ` Eric Dumazet
2014-03-21 13:56 ` Eric Dumazet
2014-03-21 14:14 ` David Laight
2014-03-21 18:52 ` David Miller [this message]
2014-03-24 2:50 ` Eric Dumazet
2014-03-24 10:30 ` David Laight
2014-03-24 13:17 ` Eric Dumazet
2014-03-24 14:13 ` Eric Dumazet
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