APPLIED: [bionic:linux-azure-4.15][PATCH 0/9] LP:#1875456 - Azure diagnostic/serviceability improvement

[Khaled Elmously]

On 2020-06-15 23:58:33 , Marcelo Henrique Cerri wrote:
> BugLink: http://bugs.launchpad.net/bugs/1875456
> 
> As bug description.
> 
> All the patches are clean cherry-picks or straightforward context
> adjustments.
> 
> I made a series of simple tests and stability tests with stress-ng and
> not issues were found. I was able to force a kernel dump with kdump.
> 
> ---
> Sunil Muthuswamy (3):
>   Drivers: HV: Send one page worth of kmsg dump over Hyper-V during
>     panic
>   Drivers: hv: vmus: Fix the check for return value from kmsg get dump
>     buffer
>   Drivers: hv: vmbus: Fix the issue with freeing up hv_ctl_table_hdr
> 
> Tianyu Lan (6):
>   x86/Hyper-V: Unload vmbus channel in hv panic callback
>   x86/Hyper-V: Free hv_panic_page when fail to register kmsg dump
>   x86/Hyper-V: Trigger crash enlightenment only once during system
>     crash.
>   x86/Hyper-V: Report crash register data or kmsg before running crash
>     kernel
>   x86/Hyper-V: Report crash register data when sysctl_record_panic_msg
>     is not set
>   x86/Hyper-V: Report crash data in die() when panic_on_oops is set
> 
>  Documentation/sysctl/kernel.txt    |  11 +++
>  arch/x86/hyperv/hv_init.c          |  33 ++++++-
>  arch/x86/include/asm/hyperv-tlfs.h |   5 +-
>  arch/x86/include/asm/mshyperv.h    |   3 +-
>  arch/x86/kernel/cpu/mshyperv.c     |  10 ++
>  drivers/hv/channel_mgmt.c          |   3 +
>  drivers/hv/vmbus_drv.c             | 145 +++++++++++++++++++++++++++--
>  7 files changed, 198 insertions(+), 12 deletions(-)
> 
> -- 
> 2.25.1
> 
> 
> -- 
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