linux-kernel - Re: [GIT PULL] x86/build change for v3.6

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Message-ID: <20120722135807.GA17513@shutemov.name>
Date:	Sun, 22 Jul 2012 16:58:07 +0300
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] x86/build change for v3.6

On Sun, Jul 22, 2012 at 03:44:51PM +0200, Ingo Molnar wrote:
> Linus,
> 
> Please pull the latest x86-build-for-linus git tree from:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-build-for-linus
> 
>    HEAD: d9b0cde91c60da0ed5f92cdc3ac878142e6b5f27 x86-64, gcc: Use -mpreferred-stack-boundary=3 if supported
> 
>  Thanks,
> 
> 	Ingo
> 
> ------------------>
> H.J. Lu (1):
>       x86-64, gcc: Use -mpreferred-stack-boundary=3 if supported
> 
> 
>  arch/x86/Makefile |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index 1f25214..b0c5276 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -49,6 +49,9 @@ else
>          KBUILD_AFLAGS += -m64
>          KBUILD_CFLAGS += -m64
>  
> +	# Use -mpreferred-stack-boundary=3 if supported.
> +	KBUILD_CFLAGS += $(call cc-option,-mno-sse -mpreferred-stack-boundary=3)
> +

Broken indent?

>          # FIXME - should be integrated in Makefile.cpu (Makefile_32.cpu)
>          cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
>          cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
> --
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-- 
 Kirill A. Shutemov
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