On Fri, Nov 24, 2017 at 2:51 PM, Michael Ellerman <[email protected]> wrote:
> The code that cleans up the IAMR/AMOR before kexec'ing failed to
> remember that when we're running as a guest AMOR is not writable, it's
> hypervisor privileged.
>
> They symptom is that the kexec stops before entering purgatory and
> nothing else is seen on the console. If you examine the state of the
> system all threads will be in the 0x700 program check handler.
>
> Fix it by making the write to AMOR dependent on HV mode.
>
> Fixes: 1e2a516e89fc ("powerpc/kexec: Fix radix to hash kexec due to 
> IAMR/AMOR")
> Cc: [email protected] # v4.10+
> Reported-by: Yilin Zhang <[email protected]>
> Debugged-by: David Gibson <[email protected]>
> Signed-off-by: Michael Ellerman <[email protected]>
> ---

Acked-by: Balbir Singh <[email protected]>

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