This is a note to let you know that I've just added the patch titled

    Subject: Staging: hv: fix hv_utils module to properly autoload

to my gregkh-2.6 tree.  Its filename is

    staging-hv-fix-hv_utils-module-to-properly-autoload.patch

This tree can be found at 
    http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/


>From [email protected] Wed May 19 08:56:34 2010
From: Haiyang Zhang <[email protected]>
Date: Wed, 19 May 2010 15:56:28 +0000
Subject: Staging: hv: fix hv_utils module to properly autoload
To: "'[email protected]'" <[email protected]>, 
"'[email protected]'" <[email protected]>, 
"'[email protected]'" <[email protected]>, 
"'[email protected]'" <[email protected]>
Cc: Hank Janssen <[email protected]>
Message-ID: 
<1fb5e1d5ca062146b38059374562df7266b89...@tk5ex14mbxc128.redmond.corp.microsoft.com>


From: Haiyang Zhang <[email protected]>

Added autoloading based on pci id and dmi strings.

Signed-off-by: Haiyang Zhang <[email protected]>
Signed-off-by: Hank Janssen <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/staging/hv/hv_utils.c |   28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

--- a/drivers/staging/hv/hv_utils.c
+++ b/drivers/staging/hv/hv_utils.c
@@ -24,6 +24,8 @@
 #include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/reboot.h>
+#include <linux/dmi.h>
+#include <linux/pci.h>
 
 #include "logging.h"
 #include "osd.h"
@@ -251,10 +253,36 @@ static void heartbeat_onchannelcallback(
        DPRINT_EXIT(VMBUS);
 }
 
+static const struct pci_device_id __initconst
+hv_utils_pci_table[] __maybe_unused = {
+       { PCI_DEVICE(0x1414, 0x5353) }, /* Hyper-V emulated VGA controller */
+       { 0 }
+};
+MODULE_DEVICE_TABLE(pci, hv_utils_pci_table);
+
+
+static const struct dmi_system_id __initconst
+hv_utils_dmi_table[] __maybe_unused  = {
+       {
+               .ident = "Hyper-V",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
+                       DMI_MATCH(DMI_BOARD_NAME, "Virtual Machine"),
+               },
+       },
+       { },
+};
+MODULE_DEVICE_TABLE(dmi, hv_utils_dmi_table);
+
+
 static int __init init_hyperv_utils(void)
 {
        printk(KERN_INFO "Registering HyperV Utility Driver\n");
 
+       if (!dmi_check_system(hv_utils_dmi_table))
+               return -ENODEV;
+
        hv_cb_utils[HV_SHUTDOWN_MSG].channel->OnChannelCallback =
                &shutdown_onchannelcallback;
        hv_cb_utils[HV_SHUTDOWN_MSG].callback = &shutdown_onchannelcallback;

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