linux-kernel - Re: [4.4 STABLE BACKPORT] x86: paravirt: make native_save

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Date:   Sat, 21 Jul 2018 07:07:52 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     lkp@...el.com, kbuild-all@...org, stable@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>, mingo@...hat.com,
        hpa@...or.com, x86@...nel.org, jgross@...e.com,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [4.4 STABLE BACKPORT] x86: paravirt: make native_save_fl extern
 inline

On Fri, Jul 20, 2018 at 05:06:07PM -0700, Nick Desaulniers wrote:
> On Fri, Jul 20, 2018 at 5:04 PM kbuild test robot <lkp@...el.com> wrote:
> >
> > Hi Nick,
> >
> > Thank you for the patch! Yet something to improve:
> >
> > [auto build test ERROR on tip/x86/core]
> > [cannot apply to v4.18-rc5 next-20180720]
> > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> >
> > url:    https://github.com/0day-ci/linux/commits/Nick-Desaulniers/x86-paravirt-make-native_save_fl-extern-inline/20180721-073112
> > config: i386-tinyconfig (attached as .config)
> > compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
> > reproduce:
> >         # save the attached .config to linux build tree
> >         make ARCH=i386
> >
> > All errors (new ones prefixed by >>):
> >
> >    arch/x86/kernel/irqflags.S: Assembler messages:
> > >> arch/x86/kernel/irqflags.S:22: Error: bad register name `%_ASM_ARG1'
> >
> > vim +22 arch/x86/kernel/irqflags.S
> >
> >     16
> >     17  /*
> >     18   * void native_restore_fl(unsigned long flags)
> >     19   * %eax/%rdi: flags
> >     20   */
> >     21  ENTRY(native_restore_fl)
> >   > 22          push %_ASM_ARG1
> >
> > ---
> > 0-DAY kernel test infrastructure                Open Source Technology Center
> > https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> 
> oops, probably should not have cc'ed vger.kernel.org for a patch meant
> for stable.

stable@...r.kernel.org is the right address, you did it correct.  I
think 0-day just got a bit trigger-happy on this one for some reason,
don't worry about it.

thanks,

greg k-h