RE: [PATCH V4 6/6] x86/Hyper-V: Report crash data in die() when panic_on_oops is set

[Michael Kelley]

From: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx> Sent: Monday, April 6, 2020 8:54 AM
> 
> When oops happens with panic_on_oops unset, the oops
> thread is killed by die() and system continues to run.
> In such case, guest should not report crash register
> data to host since system still runs. Check panic_on_oops
> and return directly in hyperv_report_panic() when the function
> is called in the die() and panic_on_oops is unset. Fix it.
> 
> Fixes: 7ed4325a44ea ("Drivers: hv: vmbus: Make panic reporting to be more useful")
> Signed-off-by: Tianyu Lan <Tianyu.Lan@xxxxxxxxxxxxx>
> ---
> Change since v3:
> 	- Fix compile error.
>         - Add fix commit in the change log
> ---
>  arch/x86/hyperv/hv_init.c      | 6 +++++-
>  drivers/hv/vmbus_drv.c         | 5 +++--
>  include/asm-generic/mshyperv.h | 2 +-
>  3 files changed, 9 insertions(+), 4 deletions(-)

Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>