linux-kernel - Re: [PATCH] [net-next] hns_enet: use cpumask_var

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Message-Id: <20170203.111510.2124248517173679920.davem@davemloft.net>
Date:   Fri, 03 Feb 2017 11:15:10 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     arnd@...db.de
Cc:     yisen.zhuang@...wei.com, salil.mehta@...wei.com,
        yankejian@...wei.com, huangdaode@...ilicon.com,
        xieqianqian@...wei.com, lisheng011@...wei.com,
        lipeng321@...wei.com, tremyfr@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [net-next] hns_enet: use cpumask_var_t for on-stack
 mask

From: Arnd Bergmann <arnd@...db.de>
Date: Thu,  2 Feb 2017 15:49:24 +0100

> On large SMP builds, we can run into a build warning:
> 
> drivers/net/ethernet/hisilicon/hns/hns_enet.c: In function 'hns_set_irq_affinity.isra.27':
> drivers/net/ethernet/hisilicon/hns/hns_enet.c:1242:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
> 
> The solution here is to use cpumask_var_t, which can use dynamic
> allocation when CONFIG_CPUMASK_OFFSTACK is enabled.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Applied, thanks Arnd.