linux-kernel - Re: [PATCH net-next 2/2] bnxt_en: tc: only the function prototypes need to be wrapped in #ifdef

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Date:   Sat, 07 Oct 2017 03:01:03 +0100 (WEST)
From:   David Miller <davem@...emloft.net>
To:     michael.chan@...adcom.com
Cc:     jtoppins@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] bnxt_en: tc: only the function prototypes
 need to be wrapped in #ifdef

From: Michael Chan <michael.chan@...adcom.com>
Date: Fri, 6 Oct 2017 18:27:31 -0700

> On Fri, Oct 6, 2017 at 12:48 PM, Jonathan Toppins <jtoppins@...hat.com> wrote:
>> There is no reason to wrap the data structures inside the ifdef.
> 
> What's so bad about wrapping unused data structures inside #ifdef?
> These structures are only used if CONFIG_BNXT_FLOWER_OFFLOAD is
> defined.

Yeah I agree, this ifdef is actually a good way to trap unintentional
usage of those datastructures so it's doubly best to keep the ifdef.