On Fri, 14 Jan 2022 10:02:45 +0000
Janosch Frank <frankja@xxxxxxxxxxxxx> wrote:
> We need a 32 bit address for the sclp buffer so let's use a page from
> the first 31 bits.
>
> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>
> ---
> s390x/firq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/s390x/firq.c b/s390x/firq.c
> index 1f877183..a0ef1555 100644
> --- a/s390x/firq.c
> +++ b/s390x/firq.c
> @@ -87,7 +87,7 @@ static void test_wait_state_delivery(void)
> */
> while(smp_sense_running_status(1));
>
> - h = alloc_page();
> + h = alloc_pages_flags(1, AREA_DMA31);
> h->length = 4096;
> ret = servc(SCLP_CMDW_READ_CPU_INFO, __pa(h));
> if (ret) {
