linux-kernel - Re: [PATCH 3/4] x86/retpoline: Simplify vmexit_fill

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Message-ID: <20180126164746.dpo7dswid5tjk2tz@pd.tnic>
Date:   Fri, 26 Jan 2018 17:47:46 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     David Woodhouse <dwmw2@...radead.org>
Cc:     X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        tim.c.chen@...ux.intel.com, pjt@...gle.com, jikos@...nel.org,
        gregkh@...ux-foundation.org, dave.hansen@...el.com,
        riel@...hat.com, luto@...capital.net,
        torvalds@...ux-foundation.org, ak@...ux.intel.com,
        keescook@...gle.com, peterz@...radead.org
Subject: Re: [PATCH 3/4] x86/retpoline: Simplify vmexit_fill_RSB()

On Fri, Jan 26, 2018 at 04:24:39PM +0000, David Woodhouse wrote:
> Dammit, have the IBM vowel-stealers escaped again?

Yeah, I love vowel dropping. :-)

> What was wrong with '__clear_rsb_clobber_ax'?

Nothing. I've dropped the clobber part too, btw, as I'm pushin/popping
%rAX around it. It is simply '__clear_rsb' now.

> Let's not lose that comment?

Ok.

> Other than that, I think it'll look OK when it's a sane patch on top of
> my existing tree instead of incremental on your last one. Thanks.

Yeah, the incremental diff was to show only what I changed.

Proper ones coming soon.

Thx.

-- 
Regards/Gruss,
    Boris.

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