From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gustavo A. R. Silva" Subject: Re: linux-next: build warning after merge of the net-next tree Date: Tue, 13 Mar 2018 06:46:24 -0500 Message-ID: <67db5ac6-9816-4bf1-c594-72697c426466@embeddedor.com> References: <20180313171153.1614c11e@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180313171153.1614c11e@canb.auug.org.au> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Stephen Rothwell , David Miller , Networking Cc: Linux-Next Mailing List , Linux Kernel Mailing List List-Id: linux-next.vger.kernel.org Hi Stephen, On 03/13/2018 01:11 AM, Stephen Rothwell wrote: > Hi all, > > After merging the net-next tree, today's linux-next build (sparc > defconfig) produced this warning: > > net/core/pktgen.c: In function 'pktgen_if_write': > net/core/pktgen.c:1710:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=] > } > ^ > > Introduced by commit > > 35951393bbff ("pktgen: Remove VLA usage") > Thanks for the report. David: If this code is not going to be executed very often [1], then I think it is safe to use dynamic memory allocation instead, as this is not going to impact the performance. What do you think? [1] https://lkml.org/lkml/2018/3/9/630 Thanks -- Gustavo