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Thu, 1 Oct 2026 10:32:54 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.87.85.9]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 1 Oct 2026 10:32:54 +0000 (GMT) From: Heiko Carstens To: Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger , Niklas Schnelle , Matthew Rosato , Gerald Schaefer , Vineeth Vijayan , Peter Oberparleiter , Harald Freudenberger , Holger Dengler , Stefan Haberland , Jan Hoeppner , Ilya Leoshkevich , Janosch Frank , Claudio Imbrenda Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [PATCH 23/32] s390/word-at-a-time: Convert inline assembly to EX_TABLE_INSN Date: Thu, 1 Oct 2026 12:32:38 +0200 Message-ID: <20261001103247.1989111-24-hca@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261001103247.1989111-1-hca@linux.ibm.com> References: <20261001103247.1989111-1-hca@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ybUl6ue5tOlK5M5d258Md9WObW8AcwwJ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDAxMDA0MCBTYWx0ZWRfX9YPc/SzFNnu2 qdWk2Fq/cPbgSag8gvowfE/Dd2V4PtoaPXjUEWd12Da+J4W4EStWPe5bWNdPANs513IcImeDFeV dGEdp9g/iOxfmCk0xNw45gXZNGmZ5/3kLu3Iquslfuxmxmo0Dsy1gEKxKjwKPnF33eZg9G8kN6n eor8CXZ4RHfrcfheetKSS6HlsHyaoiWH5BDlG+o2+6vcc+GBSqjhNhfJ3btDLb9BoUQDFPb6ui8 hHH7DQ47tYzG3wu8GX43MYD9Qc//nJC0E0hypBIhJQyd/G3eEetL80kBhAid1iQVnWeyx4nSng4 SVphQx4DE1s2EP7xJOjm2ePYJLL08i82Z41KAd2H0nqVbuYPWdDtde7e+HS3qFNStvleIZAUruA c3Uh37d+A63mvJsPmoBR96WN9DUCXxlWyZqRggmIXGUVrznm96hEUhEXZIqsr0gnDwLv3AyJTHr mjuj5sFXXQpWz1MM0+w== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDAxMDA0MCBTYWx0ZWRfX9LHXwGwsoO5z QK7rHzlTwL9Z1Y2rML2GFTkDmHNujFBFCBh+QzCUBV6CLHMQ/YsmLiOEnG1ok18NJ8pX+Y9mhEU tBCHyDPVh9B+KqTx0Yo6wvcRPw30nhw= X-Authority-Analysis: v=2.4 cv=EY5d0/mC c=1 sm=1 tr=0 ts=6abe36db cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=X_HBxJtN7YIEH_6Nee0A:9 X-Proofpoint-GUID: ybUl6ue5tOlK5M5d258Md9WObW8AcwwJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-01_03,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 suspectscore=0 adultscore=0 clxscore=1015 malwarescore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610010040 Convert the load_unaligned_zeropad exception table entries to use EX_TABLE_INSN. With EX_TABLE_INSN entries always point to the faulting instruction, so the duplicate entry and nopr padding are no longer needed and removed. Signed-off-by: Heiko Carstens --- arch/s390/include/asm/word-at-a-time.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/s390/include/asm/word-at-a-time.h b/arch/s390/include/asm/word-at-a-time.h index eaa19dee7699..0b7779c8d5a4 100644 --- a/arch/s390/include/asm/word-at-a-time.h +++ b/arch/s390/include/asm/word-at-a-time.h @@ -54,9 +54,8 @@ static inline unsigned long load_unaligned_zeropad(const void *addr) asm_inline volatile( "0: lg %[data],0(%[addr])\n" - "1: nopr %%r7\n" - EX_TABLE_ZEROPAD(0b, 1b, %[data], %[addr]) - EX_TABLE_ZEROPAD(1b, 1b, %[data], %[addr]) + "1:\n" + EX_TABLE_INSN_ZEROPAD(0b, 1b, %[data], %[addr]) : [data] "=d" (data) : [addr] "a" (addr), "m" (*(unsigned long *)addr)); return data; -- 2.53.0