linux-kernel - 0xB16B00B5? Really? (was Re: Move hyperv out of the drivers/staging/ directory)

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Message-ID: <4FFFF711.8040003@redhat.com>
Date:	Fri, 13 Jul 2012 12:23:13 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	KY Srinivasan <kys@...rosoft.com>
CC:	Greg KH <gregkh@...e.de>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"virtualization@...ts.osdl.org" <virtualization@...ts.osdl.org>
Subject: 0xB16B00B5? Really? (was Re: Move hyperv out of the drivers/staging/
 directory)

Il 04/10/2011 21:34, Greg KH ha scritto:
> diff --git a/drivers/staging/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
> similarity index 99%
> rename from drivers/staging/hv/hyperv_vmbus.h
> rename to drivers/hv/hyperv_vmbus.h
> index 3d2d836..8261cb6 100644
> --- a/drivers/staging/hv/hyperv_vmbus.h
> +++ b/drivers/hv/hyperv_vmbus.h
> @@ -28,8 +28,7 @@
>  #include <linux/list.h>
>  #include <asm/sync_bitops.h>
>  #include <linux/atomic.h>
> -
> -#include "hyperv.h"
> +#include <linux/hyperv.h>
>  
>  /*
>   * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent

git's rename detection snips away this gem:

+#define HV_LINUX_GUEST_ID_LO		0x00000000
+#define HV_LINUX_GUEST_ID_HI		0xB16B00B5
+#define HV_LINUX_GUEST_ID		(((u64)HV_LINUX_GUEST_ID_HI << 32) | \
+					   HV_LINUX_GUEST_ID_LO)

Somone was trying to be funny, I guess.

KY, I suppose you have access to Hyper-V code or can ask someone who does.
Is this signature actually used in the Hyper-V host code?

Paolo
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