Re: [PATCH 1/1] Drivers: hv: vmbus: Fix crash handler reset of Hyper-V synic

[Sasha Levin]

On Thu, Nov 14, 2019 at 06:32:01AM +0000, Michael Kelley wrote:
> The crash handler calls hv_synic_cleanup() to shutdown the
> Hyper-V synthetic interrupt controller.  But if the CPU
> that calls hv_synic_cleanup() has a VMbus channel interrupt
> assigned to it (which is likely the case in smaller VM sizes),
> hv_synic_cleanup() returns an error and the synthetic
> interrupt controller isn't shutdown.  While the lack of
> being shutdown hasn't caused a known problem, it still
> should be fixed for highest reliability.
>
> So directly call hv_synic_disable_regs() instead of
> hv_synic_cleanup(), which ensures that the synic is always
> shutdown.
>
> Signed-off-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>

Queued up, thank you.

--
Thanks,
Sasha