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Mon, 22 Jun 2020 07:10:11 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 05M7A8Ni2621706 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 22 Jun 2020 07:10:08 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AD00DA405D; Mon, 22 Jun 2020 07:10:08 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5F3FFA4059; Mon, 22 Jun 2020 07:10:05 +0000 (GMT) Received: from localhost.localdomain.com (unknown [9.199.52.56]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 22 Jun 2020 07:10:05 +0000 (GMT) From: Balamuruhan S To: mpe@ellerman.id.au Subject: [PATCH 2/6] powerpc test_emulate_step: fix pr_info() to print 8-byte for prefixed instruction Date: Mon, 22 Jun 2020 12:39:37 +0530 Message-Id: <20200622070941.759307-3-bala24@linux.ibm.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200622070941.759307-1-bala24@linux.ibm.com> References: <20200622070941.759307-1-bala24@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-22_02:2020-06-22, 2020-06-22 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 phishscore=0 adultscore=0 mlxscore=0 clxscore=1015 spamscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 cotscore=-2147483648 mlxlogscore=999 suspectscore=1 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006220048 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ravi.bangoria@linux.ibm.com, jniethe5@gmail.com, Balamuruhan S , paulus@samba.org, sandipan@linux.ibm.com, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On test failure, `pr_log()` prints 4 bytes instruction irrespective of word/prefix instruction, fix it by printing them appropriately. Signed-off-by: Balamuruhan S --- arch/powerpc/lib/test_emulate_step.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/lib/test_emulate_step.c b/arch/powerpc/lib/test_emulate_step.c index d5902b7b4e5c..e3b1797adfae 100644 --- a/arch/powerpc/lib/test_emulate_step.c +++ b/arch/powerpc/lib/test_emulate_step.c @@ -1225,7 +1225,14 @@ static int __init emulate_compute_instr(struct pt_regs *regs, if (analyse_instr(&op, regs, instr) != 1 || GETTYPE(op.type) != COMPUTE) { - pr_info("emulation failed, instruction = 0x%08x\n", ppc_inst_val(instr)); + if (!ppc_inst_prefixed(instr)) { + pr_info("emulation failed, instruction = 0x%08x\n", + ppc_inst_val(instr)); + } else { + pr_info("emulation failed, instruction = 0x%08x 0x%08x\n", + ppc_inst_val(instr), + ppc_inst_suffix(instr)); + } return -EFAULT; } -- 2.24.1