diff mbox series

[kvm-unit-tests,GIT,PULL,13/13] s390x: firq: Fix sclp buffer allocation

Message ID 20220117165949.75964-14-imbrenda@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series s390x update 2022-01-17 | expand

Commit Message

Claudio Imbrenda Jan. 17, 2022, 4:59 p.m. UTC 
From: Janosch Frank <frankja@linux.ibm.com>

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@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 s390x/firq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/s390x/firq.c b/s390x/firq.c
index 1f877183..fb9a2906 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(0, AREA_DMA31);
 	h->length = 4096;
 	ret = servc(SCLP_CMDW_READ_CPU_INFO, __pa(h));
 	if (ret) {