linux-kernel - Re: [PATCH 07/13] arm64: KVM: VHE: Patch out use of HVC

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Date:	Wed, 8 Jul 2015 19:14:50 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Marc Zyngier <marc.zyngier@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Christoffer Dall <christoffer.dall@...aro.org>
Cc:	kvmarm@...ts.cs.columbia.edu, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org
Subject: Re: [PATCH 07/13] arm64: KVM: VHE: Patch out use of HVC



On 08/07/2015 18:19, Marc Zyngier wrote:
> +/* Hack to allow stringification of macros... */
> +#define __S__(a,args...)	__stringify(a, ##args)
> +#define _S_(a,args...)		__S__(a, args)
> +
> +.macro ifnvhe nonvhe vhe
> +	alternative_insn	"\nonvhe", "\vhe", ARM64_HAS_VIRT_HOST_EXTN
> +.endm

Why not use this in patch 6 too?

Paolo
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