linux-kernel - RE: linux-next: build warning after merge of the char-misc tree

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Date:   Thu, 20 Jul 2017 14:52:38 +0000
From:   KY Srinivasan <kys@...rosoft.com>
To:     Greg KH <greg@...ah.com>, Stephen Rothwell <sfr@...b.auug.org.au>
CC:     Arnd Bergmann <arnd@...db.de>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        "Andy Shevchenko" <andy.shevchenko@...il.com>
Subject: RE: linux-next: build warning after merge of the char-misc tree



> -----Original Message-----
> From: Greg KH [mailto:greg@...ah.com]
> Sent: Wednesday, July 19, 2017 10:13 PM
> To: Stephen Rothwell <sfr@...b.auug.org.au>
> Cc: Arnd Bergmann <arnd@...db.de>; Linux-Next Mailing List <linux-
> next@...r.kernel.org>; Linux Kernel Mailing List <linux-
> kernel@...r.kernel.org>; Vitaly Kuznetsov <vkuznets@...hat.com>; KY
> Srinivasan <kys@...rosoft.com>; Andy Shevchenko
> <andy.shevchenko@...il.com>
> Subject: Re: linux-next: build warning after merge of the char-misc tree
> 
> On Thu, Jul 20, 2017 at 02:12:03PM +1000, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the char-misc tree, yesterday's linux-next build (i386
> > defconfig) produced this warning:
> >
> > In file included from
> /home/sfr/next/next/arch/x86/entry/vdso/vma.c:25:0:
> > /home/sfr/next/next/arch/x86/include/asm/mshyperv.h:181:15: warning:
> return type defaults to 'int' [-Wreturn-type]
> >  static inline hyperv_cleanup(void) {}
> >                ^
> >
> > Introduced by commit
> >
> >   2e252fbf777d ("x86/hyper-v: include hyperv/ only when CONFIG_HYPERV
> is set")
> 
> Ugh, KY, can you send me a fix for this?

I just saw that you reverted the patch. We will fix this up and resend.

Thanks,

K. Y
> 
> All of these gcc-7 warnings are keeping me from seeing the "real"
> problems now :(
> 
> thanks,
> 
> greg k-h