linux-kernel - Re: [PATCH 07/18] x86/asm/64: Merge the fast and slow SYSRET paths

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Message-ID: <20171101123502.b7enfbablicdfujj@pd.tnic>
Date:   Wed, 1 Nov 2017 13:35:02 +0100
From:   Borislav Petkov <bp@...e.de>
To:     Andy Lutomirski <luto@...nel.org>
Cc:     X86 ML <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Brian Gerst <brgerst@...il.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 07/18] x86/asm/64: Merge the fast and slow SYSRET paths

On Wed, Nov 01, 2017 at 04:29:21AM -0700, Andy Lutomirski wrote:
> I'm inclined to leave it.  I first wrote it without the long name and
> then I had to re-read the code to make sure I got the register state
> right.  The long name serves as documentation that we need rcx and r11
> to have special contents.  There's only one place that jumps there and
> it's in the same function.

Frankly, I'd prefer a sane label name and a good comment over it instead
of insanely long label name which is not as explanatory as a normal
english sentence or two.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--