linux-kernel - Re: [PATCH] [RFC] [X86] Fix a compilation issue with clang.

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Message-ID: <521F84D4.6060108@zytor.com>
Date:	Thu, 29 Aug 2013 10:28:52 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	dl9pf@....de
CC:	linux-kernel@...r.kernel.org, x86@...nel.org, pageexec@...email.hu,
	llvmlinux@...ts.linuxfoundation.org, behanw@...verseincode.com
Subject: Re: [PATCH] [RFC] [X86] Fix a compilation issue with clang.

On 08/29/2013 10:13 AM, dl9pf@....de wrote:
> From: Jan-Simon Möller <dl9pf@....de>
> 
> Clang does not support the "shortcut" we're taking here for gcc (see below).

Read: clang is gratuitously incompatible with gcc.

> The patch extends and uses the macro _ASM_DX to do the job.

You just changed the sematics of the _ASM_* macros... that doesn't seem
like a great idea.  It's probably okay for the registers, but still...

	-hpa

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