RE: [PATCH V3 4/6] x86/Hyper-V: Report crash register data or ksmg before running crash kernel

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From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx> Sent: Tuesday, March 24, 2020 12:57 AM
> 
> We want to notify Hyper-V when a Linux guest VM crash occurs, so
> there is a record of the crash even when kdump is enabled.   But
> crash_kexec_post_notifiers defaults to "false", so the kdump kernel
> runs before the notifiers and Hyper-V never gets notified.  Fix this by
> always setting crash_kexec_post_notifiers to be true for Hyper-V VMs.
> 
> Signed-off-by: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
> ---
> Change since v1:
>        Update commit log
> ---
>  arch/x86/kernel/cpu/mshyperv.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 

Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>




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