From: Tom Herbert <therbert@google.com>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH v3] net: Allow no-cache copy from user on transmit
Date: Mon, 4 Apr 2011 12:44:08 -0700 [thread overview]
Message-ID: <BANLkTik=hsDPjLUx+evW698moouj5A35jw@mail.gmail.com> (raw)
In-Reply-To: <20110404.095207.137846978.davem@davemloft.net>
> I'm simply saying to get rid of the ARCH_HAS_NOCACHE_UACCESS ifdefs
> you're adding to the networking code, since linux/uaccess.h makes sure
> that a nop version of the nocache routines are available always.
>
> If you ifdef the networking bits unnecessarily, those code paths
> won't get build tested in the majority of my test builds, which are
> on sparc64. So I want to avoid the conditionalized compilation if
> at all possible.
>
I'll take them out, but that will result in one needless conditional
in the transmit path for architectures that don't support the no cache
copy, which seems to be everything except x86!?
next prev parent reply other threads:[~2011-04-04 19:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-04 4:56 [PATCH v3] net: Allow no-cache copy from user on transmit Tom Herbert
2011-04-04 5:03 ` David Miller
2011-04-04 5:23 ` David Miller
2011-04-04 15:10 ` Tom Herbert
2011-04-04 16:52 ` David Miller
2011-04-04 19:44 ` Tom Herbert [this message]
2011-04-04 20:05 ` David Miller
-- strict thread matches above, loose matches on Subject: below --
2011-03-31 5:04 Tom Herbert
2011-03-31 8:52 ` Michał Mirosław
2011-04-01 4:05 ` Tom Herbert
2011-04-02 3:49 ` David Miller
2011-04-02 3:52 ` David Miller
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