linux-kernel - Re: [PATCH] x86_64: Work around old gas bug

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Message-ID: <20120926132549.GA23630@kroah.com>
Date:	Wed, 26 Sep 2012 06:25:49 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Tao Guo <glorioustao@...il.com>
Cc:	linux-kernel@...r.kernel.org, Jan Beulich <jbeulich@...ell.com>,
	Ingo Molnar <mingo@...e.hu>, stable@...r.kernel.org,
	hpa@...or.com
Subject: Re: [PATCH] x86_64: Work around old gas bug

On Wed, Sep 26, 2012 at 04:28:22AM -0400, Tao Guo wrote:
> gas in binutils(2.16.91) could not parse parentheses within macro
> parameters unless fully parenthesized, and this is a workaround to
> make old gas work without generating below errors:
> arch/x86/kernel/entry_64.S: Assembler messages:
> arch/x86/kernel/entry_64.S:387: Error: too many positional arguments
> arch/x86/kernel/entry_64.S:389: Error: too many positional arguments
> arch/x86/kernel/entry_64.S:390: Error: too many positional arguments
> arch/x86/kernel/entry_64.S:391: Error: too many positional arguments
> arch/x86/kernel/entry_64.S:392: Error: too many positional arguments
> arch/x86/kernel/entry_64.S:393: Error: too many positional arguments
> arch/x86/kernel/entry_64.S:394: Error: too many positional arguments
> 
> Signed-off-by: Tao Guo <glorioustao@...il.com>
> ---
>  arch/x86/include/asm/calling.h |   48 +++++++++++++++++++--------------------
>  arch/x86/kernel/entry_64.S     |   20 ++++++++--------
>  2 files changed, 33 insertions(+), 35 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read Documentation/stable_kernel_rules.txt
for how to do this properly.

</formletter>
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