[SRU][Vivid]Pull Request: Fixes for lp:1440103

[Joseph Salisbury]

On 01/15/2016 10:33 AM, Joseph Salisbury wrote:
> Crash dump files do not getting generated for kernel panics on Vivid 
> guests running on Hyper-V.  There are six patches that were submitted upstream to 
> fix this bug.  The patches have already been applied to Wily, but are also needed
> in Vivid.  The six patches also require some prereq commits to function and 
> compile properly.  Those prereq commits are included in this pull request.
>
> The six core patches for this bug are:
> Drivers: hv: kvp: check kzalloc return value
> Drivers: hv: vmbus: prefer 'die' notification chain to 'panic'
> Drivers: hv: vmbus: add special crash handler
> Drivers: hv: don't do hypercalls when hypercall_page is NULL
> Drivers: hv: vmbus: add special kexec handler
> kexec: define kexec_in_progress in !CONFIG_KEXEC case
>
> The following changes since commit 9030ba0907c0ad2e0c8e74bbc929e407b756a1d8:
>
>   UBUNTU: Ubuntu-3.19.0-43.49 (2015-12-26 09:48:49 +0000)
>
> are available in the git repository at:
>
>   kernel.ubuntu.com:/srv/kernel.ubuntu.com/git/jsalisbury/bugs/lp1440103/ubuntu-vivid.git 
>
> for you to fetch changes up to d7d73b735a64bbb9098a8640826ca1be6775164a:
>
>   staging: lustre: check kzalloc return value (2016-01-15 10:16:34 -0500)
>
> ----------------------------------------------------------------
> Dexuan Cui (1):
>       hv: run non-blocking message handlers in the dispatch tasklet
>
> Gujulan Elango, Hari Prasath (H.) (1):
>       staging: lustre: check kzalloc return value
>
> K. Y. Srinivasan (1):
>       Drivers: hv: vmbus: Implement the protocol for tearing down vmbus state
>
> Nick Meier (1):
>       Drivers: hv: vmbus: Add support for VMBus panic notifier handler
>
> Vitaly Kuznetsov (11):
>       Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors
>       Drivers: hv: vmbus: teardown hv_vmbus_con workqueue and vmbus_connection pages on shutdown
>       drivers: hv: vmbus: Teardown synthetic interrupt controllers on module unload
>       clockevents: export clockevents_unbind_device instead of clockevents_unbind
>       Drivers: hv: vmbus: Teardown clockevent devices on module unload
>       Drivers: hv: vmbus: unregister panic notifier on module unload
>       kexec: define kexec_in_progress in !CONFIG_KEXEC case
>       Drivers: hv: vmbus: add special kexec handler
>       Drivers: hv: don't do hypercalls when hypercall_page is NULL
>       Drivers: hv: vmbus: add special crash handler
>       Drivers: hv: vmbus: prefer 'die' notification chain to 'panic'
>
>  arch/x86/include/asm/mshyperv.h                 |   4 +
>  arch/x86/kernel/cpu/mshyperv.c                  |  46 ++++++++
>  drivers/hv/channel_mgmt.c                       |  68 ++++++++----
>  drivers/hv/connection.c                         |  22 +++-
>  drivers/hv/hv.c                                 |  47 ++++++--
>  drivers/hv/hyperv_vmbus.h                       |  23 ++++
>  drivers/hv/vmbus_drv.c                          | 141 ++++++++++++++++++++++--
>  drivers/staging/lustre/lustre/llite/llite_lib.c |   4 +
>  include/linux/hyperv.h                          |   5 +-
>  include/linux/kexec.h                           |   1 +
>  kernel/time/clockevents.c                       |   2 +-
>  11 files changed, 316 insertions(+), 47 deletions(-)
>

I think my mailer had a hiccup.  There should be only one pull-request
for bug lp1440103.