From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751110AbcEIF0E (ORCPT ); Mon, 9 May 2016 01:26:04 -0400 Received: from mx2.suse.de ([195.135.220.15]:39595 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750864AbcEIF0D (ORCPT ); Mon, 9 May 2016 01:26:03 -0400 Subject: Re: [PATCH 1/1] xen/gntdev: kmalloc structure gntdev_copy_batch To: Heinrich Schuchardt , Boris Ostrovsky , David Vrabel References: <1462609046-10559-1-git-send-email-xypron.glpk@gmx.de> Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org From: Juergen Gross Message-ID: <57301F67.2030101@suse.com> Date: Mon, 9 May 2016 07:25:59 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0 MIME-Version: 1.0 In-Reply-To: <1462609046-10559-1-git-send-email-xypron.glpk@gmx.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/05/16 10:17, Heinrich Schuchardt wrote: > Commit a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy") > leads to a warning > xen/gntdev.c: In function ‘gntdev_ioctl_grant_copy’: > xen/gntdev.c:949:1: warning: the frame size of 1248 bytes > is larger than 1024 bytes [-Wframe-larger-than=] > > This can be avoided by using kmalloc instead of the stack. > > Testing requires CONFIG_XEN_GNTDEV. > > Fixes: a4cdb556cae0 ("xen/gntdev: add ioctl for grant copy") > Signed-off-by: Heinrich Schuchardt Acked-by: Juergen Gross