Comment 6 for bug 1440103

I'm attaching thee patches that went upstream as part of a larger bundle to fix this kexec issue.

From "K. Y. Srinivasan" <>
Subject [PATCH V2 00/10] Drivers: hv: vmbus: Enable kexec and other misc cleanup
Date Thu, 4 Jun 2015 16:25:39 -0700

In addition to enabling kexec, this patch-set has a bunch of miscellaneous
fixes.

In this version of the patch-set; I have fixed up the subject line for couple
of patches (Greg)

Alex Ng (1):
  Drivers: hv: balloon: Enable dynamic memory protocol negotiation with
    Windows 10 hosts

K. Y. Srinivasan (1):
  Drivers: hv: vmbus: Permit sending of packets without payload

Vitaly Kuznetsov (8):
  cpu-hotplug: export cpu_hotplug_enable/cpu_hotplug_disable
  Drivers: hv: vmbus: use cpu_hotplug_enable/disable
  Drivers: hv: vmbus: remove hv_synic_free_cpu() call from
    hv_synic_cleanup()
  Drivers: hv: vmbus: add special kexec handler
  Drivers: hv: don't do hypercalls when hypercall_page is NULL
  Drivers: hv: vmbus: use 'die' notification chain instead of 'panic'
  Drivers: hv: kvp: check kzalloc return value
  Drivers: hv: fcopy: dynamically allocate smsg_out in
    fcopy_send_data()

 Documentation/power/suspend-and-cpuhotplug.txt | 6 +-
 arch/x86/include/asm/mshyperv.h | 2 +
 arch/x86/kernel/cpu/mshyperv.c | 30 +++++++++
 drivers/hv/channel.c | 4 +-
 drivers/hv/hv.c | 15 +++--
 drivers/hv/hv_balloon.c | 26 ++++++--
 drivers/hv/hv_fcopy.c | 21 ++++---
 drivers/hv/hv_kvp.c | 3 +
 drivers/hv/vmbus_drv.c | 76 +++++++++---------------
 kernel/cpu.c | 13 +++--
 10 files changed, 119 insertions(+), 77 deletions(-)
--
1.7.4.1