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From: Stephen Hemminger <shemminger@vyatta.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: David Miller <davem@davemloft.net>, Arnd Bergmann <arnd@arndb.de>,
	netdev@vger.kernel.org, linux-net-drivers@solarflare.com
Subject: Re: [PATCH 1/2] net: Enable 64-bit net device statistics on 32-bit architectures
Date: Fri, 4 Jun 2010 10:28:52 -0700	[thread overview]
Message-ID: <20100604102852.08ce3cd1@nehalam> (raw)
In-Reply-To: <1275592298.2106.36.camel@achroite.uk.solarflarecom.com>

On Thu, 03 Jun 2010 20:11:38 +0100
Ben Hutchings <bhutchings@solarflare.com> wrote:

> static inline u64 rtnl_link_stats64_read(const u64 *field)
> {
> 	return ACCESS_ONCE(*field);
> }
> static inline u32 rtnl_link_stats64_read32(const u64 *field)
> {
> 	return ACCESS_ONCE(*field);
> }

Do we really care if compiler reorders access. I think not.
There was no order guarantee in the past.

-- 

  reply	other threads:[~2010-06-04 17:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-25 14:19 [PATCH] r8169: Add counters tx_bytes and rx_bytes for ethtool Junchang Wang
2010-05-25 19:56 ` Francois Romieu
2010-05-26  1:01   ` Junchang Wang
2010-05-25 23:15 ` David Miller
2010-05-26  0:51   ` Junchang Wang
2010-06-02 21:34   ` 64-bit net_device_stats Ben Hutchings
2010-06-02 21:59     ` Stephen Hemminger
2010-06-02 23:38       ` Arnd Bergmann
2010-06-03 14:51         ` Ben Hutchings
2010-06-03 17:39           ` [PATCH 1/2] net: Enable 64-bit net device statistics on 32-bit architectures Ben Hutchings
2010-06-03 18:47             ` Stephen Hemminger
2010-06-03 19:11               ` Ben Hutchings
2010-06-04 17:28                 ` Stephen Hemminger [this message]
2010-06-04 18:15                   ` Ben Hutchings
2010-06-04 20:39                     ` Stephen Hemminger
2010-06-04 20:47                       ` Ben Hutchings
2010-06-03 17:40           ` [PATCH 2/2] sfc: Implement 64-bit net device statistics on all architectures Ben Hutchings
2010-06-04  1:59     ` 64-bit net_device_stats Junchang Wang
2010-06-04  3:59       ` Eric Dumazet

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