[PATCH v2 01/12] powerpc/64s/exceptions: Fix in_mce accounting in unrecoverable path

[Mahesh J Salgaonkar]

On 2020-03-25 20:33:59 Wed, Nicholas Piggin wrote:
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> ---
>  arch/powerpc/kernel/exceptions-64s.S | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
> index 6a936c9199d6..67cbcb2d0c7f 100644
> --- a/arch/powerpc/kernel/exceptions-64s.S
> +++ b/arch/powerpc/kernel/exceptions-64s.S
> @@ -1335,6 +1335,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
>  	andc	r10,r10,r3
>  	mtmsrd	r10
> 
> +	lhz	r12,PACA_IN_MCE(r13)
> +	subi	r12,r12,1
> +	sth	r12,PACA_IN_MCE(r13)
> +

Acked-by: Mahesh Salgaonkar <mahesh at linux.ibm.com>

Thanks,
-Mahesh.