Merge tag 'hyperv-next-signed-20211102' of git://git.kernel.org/pub/scm/linux/kernel...

Pull hyperv updates from Wei Liu:

 - Initial patch set for Hyper-V isolation VM support (Tianyu Lan)

 - Fix a warning on preemption (Vitaly Kuznetsov)

 - A bunch of misc cleanup patches

* tag 'hyperv-next-signed-20211102' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  x86/hyperv: Protect set_hv_tscchange_cb() against getting preempted
  Drivers: hv : vmbus: Adding NULL pointer check
  x86/hyperv: Remove duplicate include
  x86/hyperv: Remove duplicated include in hv_init
  Drivers: hv: vmbus: Remove unused code to check for subchannels
  Drivers: hv: vmbus: Initialize VMbus ring buffer for Isolation VM
  Drivers: hv: vmbus: Add SNP support for VMbus channel initiate message
  x86/hyperv: Add ghcb hvcall support for SNP VM
  x86/hyperv: Add Write/Read MSR registers via ghcb page
  Drivers: hv: vmbus: Mark vmbus ring buffer visible to host in Isolation VM
  x86/hyperv: Add new hvcall guest address host visibility support
  x86/hyperv: Initialize shared memory boundary in the Isolation VM.
  x86/hyperv: Initialize GHCB page in Isolation VM

diff --combined drivers/hv/hyperv_vmbus.h
index d030577ad6a2c58c6bee4dc6421738a1bb06019f,d0a5232a1c3e1181dc631a6c6133f3db6bcdaea7..3a1f007b678a071f6bcabe01619f6be8ec7cd340
--- 1/drivers/hv/hyperv_vmbus.h
--- 2/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@@ -13,7 -13,6 +13,7 @@@
  #define _HYPERV_VMBUS_H
  
  #include <linux/list.h>
 +#include <linux/bitops.h>
  #include <asm/sync_bitops.h>
  #include <asm/hyperv-tlfs.h>
  #include <linux/atomic.h>
@@@ -241,6 -240,8 +241,8 @@@ struct vmbus_connection 
         * is child->parent notification
         */
        struct hv_monitor_page *monitor_pages[2];
+       void *monitor_pages_original[2];
+       phys_addr_t monitor_pages_pa[2];
        struct list_head chn_msg_list;
        spinlock_t channelmsg_lock;