Re: [kvm-unit-tests PATCH 4/4] s390x: smp: Dirty fpc before initial reset test

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On 14/01/2020 16.30, Janosch Frank wrote:
> Let's dirty the fpc, before we test if the initial reset sets it to 0.
> 
> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
> ---
>  s390x/smp.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/s390x/smp.c b/s390x/smp.c
> index 11ab425..cd32342 100644
> --- a/s390x/smp.c
> +++ b/s390x/smp.c
> @@ -177,6 +177,9 @@ static void test_emcall(void)
>  
>  static void test_func_initial(void)
>  {
> +	asm volatile(
> +		"	sfpc	%0\n"
> +		: : "d" (0x11) : );
>  	lctlg(1, 0x42000UL);
>  	lctlg(7, 0x43000UL);
>  	lctlg(13, 0x44000UL);
> 

Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>




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