From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:5000 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729275AbgAUNn1 (ORCPT ); Tue, 21 Jan 2020 08:43:27 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00LDgXLk133551 for ; Tue, 21 Jan 2020 08:43:26 -0500 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0b-001b2d01.pphosted.com with ESMTP id 2xp0s6uncp-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 21 Jan 2020 08:43:25 -0500 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 21 Jan 2020 13:43:23 -0000 From: Janosch Frank Subject: [kvm-unit-tests PATCH v4 7/9] s390x: smp: Remove unneeded cpu loops Date: Tue, 21 Jan 2020 08:42:52 -0500 In-Reply-To: <20200121134254.4570-1-frankja@linux.ibm.com> References: <20200121134254.4570-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20200121134254.4570-8-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 Now that we have a loop which is executed after we return from the main function of a secondary cpu, we can remove the surplus loops. Signed-off-by: Janosch Frank --- s390x/smp.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/s390x/smp.c b/s390x/smp.c index 3e8cf3e..45f1d80 100644 --- a/s390x/smp.c +++ b/s390x/smp.c @@ -35,15 +35,9 @@ static void set_flag(int val) mb(); } -static void cpu_loop(void) -{ - for (;;) {} -} - static void test_func(void) { set_flag(1); - cpu_loop(); } static void test_start(void) @@ -241,7 +235,7 @@ int main(void) /* Setting up the cpu to give it a stack and lowcore */ psw.mask = extract_psw_mask(); - psw.addr = (unsigned long)cpu_loop; + psw.addr = (unsigned long)test_func; smp_cpu_setup(1, psw); smp_cpu_stop(1); -- 2.20.1