From: Lino Sanfilippo <LinoSanfilippo@gmx.de>
To: Florian Fainelli <f.fainelli@gmail.com>,
Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
Hisashi T Fujinaka <htodd@twofifty.com>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
Bruce Allan <bruce.w.allan@intel.com>,
Carolyn Wyborny <carolyn.wyborny@intel.com>,
Don Skidmore <donald.c.skidmore@intel.com>,
Greg Rose <gregory.v.rose@intel.com>,
Matthew Vick <matthew.vick@intel.com>,
John Ronciak <john.ronciak@intel.com>,
Mitch Williams <mitch.a.williams@intel.com>,
Linux NICS <linux.nics@intel.com>,
e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] e1000: remove unused variables
Date: Sat, 29 Nov 2014 12:01:03 +0100 [thread overview]
Message-ID: <5479A76F.5050809@gmx.de> (raw)
In-Reply-To: <54790537.809@gmail.com>
On 29.11.2014 00:28, Florian Fainelli wrote:
> Also, if you do a read that is not stored in any return value, the
> compiler is now free to remove that actual read,
This does not apply to reads from iomem (see "volatile" specifier in
readl()).
Regards,
Lino
next prev parent reply other threads:[~2014-11-29 11:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-27 5:22 [PATCH] e1000: remove unused variables Sudip Mukherjee
2014-11-27 5:59 ` Hisashi T Fujinaka
2014-11-27 13:07 ` Sudip Mukherjee
2014-11-28 23:28 ` Florian Fainelli
2014-11-29 11:01 ` Lino Sanfilippo [this message]
2014-11-30 1:45 ` Ben Hutchings
2014-12-01 4:54 ` Sudip Mukherjee
2014-12-01 18:56 ` [linux-nics] " Fujinaka, Todd
2014-12-02 14:24 ` Sudip Mukherjee
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