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
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