From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:53082 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728890AbgAQKrL (ORCPT ); Fri, 17 Jan 2020 05:47:11 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00HAbvNW087694 for ; Fri, 17 Jan 2020 05:47:10 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xk0qr8r40-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 17 Jan 2020 05:47:10 -0500 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 17 Jan 2020 10:47:07 -0000 From: Janosch Frank Subject: [kvm-unit-tests PATCH v3 9/9] s390x: smp: Dirty fpc before initial reset test Date: Fri, 17 Jan 2020 05:46:40 -0500 In-Reply-To: <20200117104640.1983-1-frankja@linux.ibm.com> References: <20200117104640.1983-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20200117104640.1983-10-frankja@linux.ibm.com> Sender: linux-s390-owner@vger.kernel.org List-ID: To: kvm@vger.kernel.org Cc: thuth@redhat.com, borntraeger@de.ibm.com, linux-s390@vger.kernel.org, david@redhat.com, cohuck@redhat.com Let's dirty the fpc, before we test if the initial reset sets it to 0. Signed-off-by: Janosch Frank Reviewed-by: Thomas Huth Reviewed-by: Cornelia Huck Reviewed-by: David Hildenbrand --- s390x/smp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/s390x/smp.c b/s390x/smp.c index 1385488..aedcd65 100644 --- a/s390x/smp.c +++ b/s390x/smp.c @@ -172,6 +172,7 @@ static void test_emcall(void) /* Used to dirty registers of cpu #1 before it is reset */ static void test_func_initial(void) { + asm volatile("sfpc %0" :: "d" (0x11)); lctlg(1, 0x42000UL); lctlg(7, 0x43000UL); lctlg(13, 0x44000UL); -- 2.20.1