linux-kernel - snd_intel8x0_inside

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Date:	Tue, 18 Feb 2014 19:48:11 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Konstantin Ozerkov <kozerkov@...allels.com>,
	"Denis V. Lunev" <den@...nvz.org>, Takashi Iwai <tiwai@...e.de>,
	Jaroslav Kysela <perex@...ex.cz>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	alsa-devel@...a-project.org
Subject: snd_intel8x0_inside_vm()

I just stumbled upon the function snd_intel8x0_inside_vm(), and quite
frankly the code seems bizarre:

        /* detect KVM and Parallels virtual environments */
        result = kvm_para_available();
#ifdef X86_FEATURE_HYPERVISOR
        result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
#endif
        if (!result)
                goto fini;

Why don't we simply rely on the PCI SSIDs?

	-hpa
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