linux-kernel - Re: [PATCH v3 4/4] x86/retpoline: Support retpoline build with Clang

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Message-ID: <alpine.DEB.2.21.1802200935300.24268@nanos.tec.linutronix.de>
Date:   Tue, 20 Feb 2018 09:36:57 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     David Woodhouse <dwmw@...zon.co.uk>
cc:     karahmed@...zon.de, x86@...nel.org, kvm@...r.kernel.org,
        torvalds@...ux-foundation.org, pbonzini@...hat.com,
        linux-kernel@...r.kernel.org, bp@...en8.de, peterz@...radead.org,
        jmattson@...gle.com, rkrcmar@...hat.com,
        arjan.van.de.ven@...el.com, dave.hansen@...el.com, mingo@...nel.org
Subject: Re: [PATCH v3 4/4] x86/retpoline: Support retpoline build with
 Clang

On Mon, 19 Feb 2018, David Woodhouse wrote:

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>

> +/* Clang doesn't have a way to turn it off per-function, yet. */

Is that going to happen in the foreseable future? Hmm, why am I asking,
clang is going to break anyway once we require asm-gotos hard.

Thanks,

	tglx