linux-kernel - Re: [PATCH 3/3] drivers:hv: Define the channel type for Hyper-V PCI Express pass-through

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Date:	Sun, 20 Sep 2015 22:29:08 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com,
	jasowang@...hat.com, Jake Oshins <jakeo@...rosoft.com>
Subject: Re: [PATCH 3/3] drivers:hv: Define the channel type for Hyper-V PCI
 Express pass-through

On Tue, Sep 15, 2015 at 06:26:49PM -0700, K. Y. Srinivasan wrote:
> From: Jake Oshins <jakeo@...rosoft.com>
> 
> This defines the channel type for PCI front-ends in Hyper-V VMs.
> 
> Signed-off-by: Jake Oshins <jakeo@...rosoft.com>
> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
> ---
>  include/linux/hyperv.h |   11 +++++++++++
>  1 files changed, 11 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
> index ea0a0e3..5587899 100644
> --- a/include/linux/hyperv.h
> +++ b/include/linux/hyperv.h
> @@ -1140,6 +1140,17 @@ u64 hv_do_hypercall(u64 control, void *input, void *output);
>  		}
>  
>  /*
> + * PCI Express Pass Through
> + * {44C4F61D-4444-4400-9D52-802E27EDE19F}
> + */
> +
> +#define HV_PCIE_GUID \
> +	.guid = { \
> +			0x1D, 0xF6, 0xC4, 0x44, 0x44, 0x44, 0x00, 0x44, \
> +			0x9D, 0x52, 0x80, 0x2E, 0x27, 0xED, 0xE1, 0x9F \
> +		}
> +
> +/*
>   * Common header for Hyper-V ICs
>   */

Yet you do nothing with this, so why add it to the code at this point in
time?  I can't take pointless things like this...
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