linux-kernel - Re: [PATCH 04/13] x86/paravirt: Convert DEF_NATIVE macro to GCC extended asm syntax

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Message-ID: <b322ed01-c7d4-b14a-ac02-8c0778afb242@suse.com>
Date:   Wed, 25 Oct 2017 12:03:48 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <alexander.levin@...izon.com>,
        live-patching@...r.kernel.org, Jiri Slaby <jslaby@...e.cz>,
        Ingo Molnar <mingo@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Mike Galbraith <efault@....de>,
        Chris Wright <chrisw@...s-sol.org>,
        Alok Kataria <akataria@...are.com>,
        Rusty Russell <rusty@...tcorp.com.au>,
        virtualization@...ts.linux-foundation.org,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH 04/13] x86/paravirt: Convert DEF_NATIVE macro to GCC
 extended asm syntax

On 04/10/17 17:58, Josh Poimboeuf wrote:
> In a future patch, the NATIVE_* instruction string macros will be used
> in GCC extended inline asm, which requires registers to have two '%'
> instead of one in the asm template string.  Convert the DEF_NATIVE macro
> to the GCC extended asm syntax so the NATIVE_* macros can be shared more
> broadly.
> 
> Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen