linux-kernel - Re: [PATCH 2/2] ata_piix: defer disks to the Hyper-V drivers by default

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20120414170223.24f6ea31@pyramind.ukuu.org.uk>
Date:	Sat, 14 Apr 2012 17:02:23 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Andy Whitcroft <apw@...onical.com>
Cc:	Jeff Garzik <jgarzik@...ox.com>, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Mike Sterling <Mike.Sterling@...rosoft.com>
Subject: Re: [PATCH 2/2] ata_piix: defer disks to the Hyper-V drivers by
 default

O> +#ifdef CONFIG_X86
> +	/* On Hyper-V hypervisors the disks are exposed on both the emulated
> +	 * SATA controller and on the paravirtualised drivers.  The CD/DVD
> +	 * devices are only exposed on the emulated controller.  Request we
> +	 * ignore ATA devices on this host.
> +	 */
> +	if (prefer_ms_hyperv && x86_hyper == &x86_hyper_ms_hyperv) {
> +		host->flags |= ATA_HOST_IGNORE_ATA;
> +		dev_info(&pdev->dev, "Hyper-V hypervisor detected, ignoring ATA disks\n");
> +	}
> +#endif

Does hyper-v not set its own unique and identifable pci
subvendor/subdevice ?

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/