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From: Johannes Berg <johannes@sipsolutions.net>
To: Chen Gang <gang.chen.5i5j@gmail.com>
Cc: Joe Perches <joe@perches.com>,
	"John W. Linville" <linville@tuxdriver.com>,
	rkuo <rkuo@codeaurora.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	David Miller <davem@davemloft.net>,
	linux-wireless@vger.kernel.org, netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH] net: mac80211: tx.c: be sure of 'sdata->vif.type' must be NL80211_IFTYPE_AP when be in NL80211_IFTYPE_AP case
Date: Sun, 01 Dec 2013 10:37:27 +0100	[thread overview]
Message-ID: <1385890647.4171.3.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <529A7955.9010507@gmail.com> (sfid-20131201_004838_825869_AF1FBAAC)

On Sun, 2013-12-01 at 07:48 +0800, Chen Gang wrote:

> If ieee80211_subif_start_xmit() is not performance sensitive (I guess
> so), we can use some short static functions instead of some code blocks
> within ieee80211_subif_start_xmit().
> 
>  - ieee80211_subif_start_xmit() is a long function (600+ lines).
> 
>  - use short static function can share some code.
> 
>  - if code can be shared, the work flow can be more clearer too (don't
>    need fall-through or goto).

Frankly, I'm getting tired of discussing this. Please don't try to
rewrite this code until you've understood it. You suggesting that
"start_xmit()" isn't a performance sensitive function makes me realize
you haven't even tried.

johannes

  parent reply	other threads:[~2013-12-01  9:37 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <528AEFB7.4060301@gmail.com>
     [not found] ` <20131125011938.GB18921@codeaurora.org>
     [not found]   ` <5292B845.3010404@gmail.com>
     [not found]     ` <5292B8A0.7020409@gmail.com>
     [not found]       ` <5294255E.7040105@gmail.com>
2013-11-27  4:53         ` [PATCH] net: mac80211: tx.c: be sure of 'sdata->vif.type' must be NL80211_IFTYPE_AP when be in NL80211_IFTYPE_AP case Chen Gang
2013-11-29 15:38           ` Johannes Berg
2013-11-30 11:59             ` Chen Gang
2013-11-30 12:53               ` Johannes Berg
     [not found]                 ` <1385816013.4327.1.camel-8Nb76shvtaUJvtFkdXX2HixXY32XiHfO@public.gmane.org>
2013-11-30 13:50                   ` Chen Gang
2013-11-30 14:02                     ` Chen Gang
2013-11-30 20:08                       ` Johannes Berg
2013-11-30 20:39                         ` Joe Perches
2013-11-30 23:48                           ` Chen Gang
     [not found]                             ` <529A7955.9010507-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-11-30 23:59                               ` Chen Gang
2013-12-01  9:37                             ` Johannes Berg [this message]
     [not found]                               ` <1385890647.4171.3.camel-8Nb76shvtaUJvtFkdXX2HixXY32XiHfO@public.gmane.org>
2013-12-01 11:50                                 ` Chen Gang
2013-12-01  9:35                           ` Johannes Berg
2013-12-01 22:38                             ` Joe Perches
2013-12-02  0:45                               ` Chen Gang
2013-12-02 14:48                               ` Johannes Berg
2013-12-04  2:12                                 ` Chen Gang
     [not found]                                   ` <529E8F90.1020205-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-12-04  8:04                                     ` Johannes Berg
2013-12-04  8:41                                       ` Chen Gang
2013-12-04  8:49                                         ` Johannes Berg
2013-12-04  9:00                                           ` Chen Gang

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