From mboxrd@z Thu Jan  1 00:00:00 1970
From: Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>
Subject: Re: [PATCH] KVM: VMX: modify macro definition 'R' to 'R ' because of
 gcc-5+
Date: Wed, 27 Jun 2018 15:02:19 +0200
Message-ID: <20180627130218.GA25804@flask>
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To: LiuYang <yiqiaoxihui@163.com>
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2018-06-26 20:59+0800, LiuYang:
> GCC 5.4.0 enables raw strings by default and they have higher priority
> than macros, thus R is interpreted incorrectly.
> Fix it by putting a space between macro R and a string literal.
> 
> Signed-off-by: LiuYang <yiqiaoxihui@163.com>
> ---

This got fixed in 2012 by b188c81f2e1a ("KVM: VMX: Make use of asm.h").

Please refresh the tree, thanks.