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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 11 Aug 2017 09:26:04 -0700
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Subject: Re: [tip:x86/asm] objtool: Track DRAP separately from callee-saved registers
To: Andy Lutomirski <luto@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>, Brian Gerst <brgerst@gmail.com>,
        Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>,
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
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On Fri, Aug 11, 2017 at 9:22 AM, Andy Lutomirski <luto@kernel.org> wrote:
>
> Question 1: What does DRAP stand for?  Duplicate Return Address
> Pointer?  Dynamic ReAlignment Pointer?  I tried searching and got
> nothing.

I think it's "Dynamic Re-Alignment" register, but I may have just made that up.

                   Linus