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Date: Fri, 13 Apr 2018 20:19:24 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Alexei Starovoitov <ast@fb.com>
Cc: Yonghong Song <yhs@fb.com>, mingo@kernel.org, daniel@iogearbox.net,
        linux-kernel@vger.kernel.org, x86@kernel.org, kernel-team@fb.com,
        Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] x86/cpufeature: guard asm_volatile_goto usage with
 CC_HAVE_ASM_GOTO
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On Tue, Apr 10, 2018 at 02:28:04PM -0700, Alexei Starovoitov wrote:
> Instead of
> #ifdef CC_HAVE_ASM_GOTO
> we can replace it with
> #ifndef __BPF__
> or some other name,

I would prefer the BPF specific hack; otherwise we might be encouraging
people to build the kernel proper without asm-goto.