From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2DDA93C685 for ; Fri, 29 Sep 2023 17:24:01 +0000 (UTC) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2190E19F for ; Fri, 29 Sep 2023 10:24:01 -0700 (PDT) Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38TH6oo3011615; Fri, 29 Sep 2023 17:23:51 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=Mb4kmc7EVYbPBjhuTHuXPbo8ckLWRALejMOraCIvCFI=; b=D6oTKkYZasYt47QUWeLyWuvGlyKu4MUTDoYLCOBlu1/co//RFp5uqopfeM2/+UoTLv3k 9/Rlx7iCTKVJCMocQsztMxG7b13QmMPzUCjRZUR2G+ZSZ+3FxfMQN5Cl6E1hd1KU8JeA kK3I1IEwYW7qob3fUqY6/U7sfNND36+rIAQtNs+BlQHMd2nteGjizHubXNiZjmgI7qh1 j1ho6F3ERQeX/bwv5XQCsj+THaJXnkOJjZTP8idvoE/w3rO7YMtaOyI6UNARGtuJxMav tzC9AM5Ca/oEbWFrWpOZveKDfkg54jzh0/nCCVuDkwPxqy4Aojd3lv15PY+Vy7DbQe89 Kw== Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3te2fkgpb5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Sep 2023 17:23:50 +0000 Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 38TGmr7I008185; Fri, 29 Sep 2023 17:23:49 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3taar06juq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Sep 2023 17:23:49 +0000 Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 38THNk9f29819160 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 29 Sep 2023 17:23:46 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 64C082004E; Fri, 29 Sep 2023 17:23:46 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B85CF20040; Fri, 29 Sep 2023 17:23:44 +0000 (GMT) Received: from localhost.localdomain (unknown [9.43.101.140]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 29 Sep 2023 17:23:44 +0000 (GMT) From: Athira Rajeev To: mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, linux-perf-users@vger.kernel.org, maddy@linux.ibm.com, kjain@linux.ibm.com, disgoel@linux.ibm.com, Athira Rajeev , Naveen N Rao Subject: [PATCH 2/2] powerpc/platforms/pseries: Remove unused r0 in the hcall tracing code Date: Fri, 29 Sep 2023 22:53:37 +0530 Message-Id: <20230929172337.7906-2-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230929172337.7906-1-atrajeev@linux.vnet.ibm.com> References: <20230929172337.7906-1-atrajeev@linux.vnet.ibm.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 0gF0xL9wTBNEyeJaTSJxCa2-y91H627G X-Proofpoint-ORIG-GUID: 0gF0xL9wTBNEyeJaTSJxCa2-y91H627G X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-09-29_15,2023-09-28_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 suspectscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 phishscore=0 clxscore=1015 mlxlogscore=846 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2309290147 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net In the plpar_hcall trace code, currently we use r0 to store the ORed result of r4. But this value is not used subsequently in the code. Hence remove this unused save to r0 in plpar_hcall and plpar_hcall9 Suggested-by: Naveen N Rao Signed-off-by: Athira Rajeev --- arch/powerpc/platforms/pseries/hvCall.S | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index 2addf2ea03f0..2b0cac6fb61f 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -184,8 +184,6 @@ _GLOBAL_TOC(plpar_hcall) plpar_hcall_trace: HCALL_INST_PRECALL(R5) - mr r0,r4 - mr r4,r5 mr r5,r6 mr r6,r7 @@ -295,8 +293,6 @@ _GLOBAL_TOC(plpar_hcall9) plpar_hcall9_trace: HCALL_INST_PRECALL(R5) - mr r0,r4 - mr r4,r5 mr r5,r6 mr r6,r7 -- 2.39.3