From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:40040 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726355AbgD2Ofe (ORCPT ); Wed, 29 Apr 2020 10:35:34 -0400 From: Janosch Frank Subject: [PATCH v3 03/10] s390x: smp: Test stop and store status on a running and stopped cpu Date: Wed, 29 Apr 2020 10:35:11 -0400 Message-Id: <20200429143518.1360468-4-frankja@linux.ibm.com> In-Reply-To: <20200429143518.1360468-1-frankja@linux.ibm.com> References: <20200429143518.1360468-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-s390-owner@vger.kernel.org List-ID: To: kvm@vger.kernel.org Cc: thuth@redhat.com, linux-s390@vger.kernel.org, david@redhat.com, borntraeger@de.ibm.com, cohuck@redhat.com Let's also test the stop portion of the "stop and store status" sigp order. Signed-off-by: Janosch Frank Reviewed-by: Cornelia Huck Reviewed-by: David Hildenbrand --- s390x/smp.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/s390x/smp.c b/s390x/smp.c index b07cb66..4c50183 100644 --- a/s390x/smp.c +++ b/s390x/smp.c @@ -76,12 +76,26 @@ static void test_stop_store_status(void) struct lowcore *lc = (void *)0x0; report_prefix_push("stop store status"); + report_prefix_push("running"); + smp_cpu_restart(1); lc->prefix_sa = 0; lc->grs_sa[15] = 0; smp_cpu_stop_store_status(1); mb(); report(lc->prefix_sa == (uint32_t)(uintptr_t)cpu->lowcore, "prefix"); report(lc->grs_sa[15], "stack"); + report(smp_cpu_stopped(1), "cpu stopped"); + report_prefix_pop(); + + report_prefix_push("stopped"); + lc->prefix_sa = 0; + lc->grs_sa[15] = 0; + smp_cpu_stop_store_status(1); + mb(); + report(lc->prefix_sa == (uint32_t)(uintptr_t)cpu->lowcore, "prefix"); + report(lc->grs_sa[15], "stack"); + report_prefix_pop(); + report_prefix_pop(); } -- 2.25.1