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Date: Thu, 12 May 2016 08:35:32 +0200
From: Ingo Molnar <mingo@kernel.org>
To: "Yu, Fenghua" <fenghua.yu@intel.com>
Cc: Borislav Petkov <bp@suse.de>, "Yu, Yu-cheng" <yu-cheng.yu@intel.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "x86@kernel.org" <x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        "Prakhya, Sai Praneeth" <sai.praneeth.prakhya@intel.com>,
        "Shankar, Ravi V" <ravi.v.shankar@intel.com>
Subject: Re: [PATCH v6 01/13] x86/xsaves: Define and use fpu_user_xstate_size
Message-ID: <20160512063532.GA29495@gmail.com>
References: <cover.1462914897.git.yu-cheng.yu@intel.com>
 <f2e6daf2dc48724cc06250002dc01ac6b30339c1.1462914897.git.yu-cheng.yu@intel.com>
 <20160511172045.GH2180@pd.tnic>
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* Yu, Fenghua <fenghua.yu@intel.com> wrote:

> Is this possible to have the third one?
> 
> From: Yu-cheng
> 
> Signed-off-by: Yu-cheng
> Signed-off-by: Fenghua

Yeah, that's a valid SOB chain if Yu-cheng wrote much of the patch and you just 
forwarded it along with some fixes/enhancements. As Boris mentioned, you can 
further improve on this via:

> Signed-off-by: Yu-cheng
> [ Fixed bug X, cleaned up Y. ]
> Signed-off-by: Fenghua

to signal that you made changes over Yu-cheng's version.

Thanks,

	Ingo