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Fri, 24 Jul 2026 14:13:22 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.87.85.9]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 24 Jul 2026 14:13:22 +0000 (GMT) From: Heiko Carstens To: Stefan Schulze Frielinghaus , Juergen Christ , Ilya Leoshkevich , Dominik Steenken , Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger , Maxim Khmelevskii , Jens Remus , Sami Tolvanen , Kees Cook , Nathan Chancellor , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi Cc: llvm@lists.linux.dev, bpf@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/6] s390/diag: Generate CFI type information for assembly functions Date: Fri, 24 Jul 2026 16:13:16 +0200 Message-ID: <20260724141318.1037434-5-hca@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260724141318.1037434-1-hca@linux.ibm.com> References: <20260724141318.1037434-1-hca@linux.ibm.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=HJXz0Itv c=1 sm=1 tr=0 ts=6a637307 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=EPsGp4Ve3OqINF1AOYoA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI0MDEyOCBTYWx0ZWRfX7eFOp0aEPHMC rulBIjpXV3Ltd2QvzbxiqZvieA+EpXCYN6HxLRdvZZ0VYM2pUHz7WmE72A/+RvXBeEG+Zir2voy ZsM6OQ7+E9G7eEoJIoqa+Le86XeqFIm5nMh03ubMPnal5w0PremALqeDin25fsoUTMN3dx2C5N9 dGn73EirWWF4NCoufJAvjiWSo56Cf6so+YraDspefpErRbG0o9BmbStGSWo9T+1Wkctkh/Kpfl0 etTBt5RdT0kOLo0l2BhgCaQCkeu6nmtNx1EuJR0PlHX0yaxhhshuS4goi47TDF21wDRosDOSqWf swgr5Ko9OSBoyeMwvno8uN/5I1DMqmSJUElD6qEaYIB8CPMu0k5iiIxDsOydXu045TxlhK9N2Hv 1sGGtVThP91568rFhXIWbjRRDTWu6YmF6bX66dpn5Jr0n9jv75zIzwrkf/U3tGLtQgGPjP6KrDD ks7vs6Brn3UBjLFygwQ== X-Proofpoint-ORIG-GUID: dCY8e3MjymhXNBKluNILjvjPhiO0K4vo X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI0MDEyOCBTYWx0ZWRfXw4COyJb3bpZT FTkAw8DW9LPd3MTwBdlwzUESeh8OsRSkM4uxq/r3tcZJTuC+CoXicuMXkwHnUaLOrEm1aZtMt2c N/Awm2g6wdyL7vi1RneYtBu99KUpG1s= X-Proofpoint-GUID: 4Rn6Sqs90kV_tR1pBnG6U0oNcFoMP9xe X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-24_03,2026-07-24_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 malwarescore=0 impostorscore=0 clxscore=1015 phishscore=0 spamscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607240128 Use SYM_TYPED_FUNC_START to generate __kcfi_typeid_ symbols for assembler functions which are called indirectly. All assembler functions contained in text_amode31.S are called indirectly and require such annotations. Reviewed-by: Jens Remus Signed-off-by: Heiko Carstens --- arch/s390/kernel/text_amode31.S | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/arch/s390/kernel/text_amode31.S b/arch/s390/kernel/text_amode31.S index 26f2981aa09e..f007d892d0c5 100644 --- a/arch/s390/kernel/text_amode31.S +++ b/arch/s390/kernel/text_amode31.S @@ -5,6 +5,7 @@ * Copyright IBM Corp. 2019 */ +#include #include #include #include @@ -26,7 +27,7 @@ /* * int _diag14_amode31(unsigned long rx, unsigned long ry1, unsigned long subcode) */ -SYM_FUNC_START(_diag14_amode31) +SYM_TYPED_FUNC_START(_diag14_amode31) lgr %r1,%r2 lgr %r2,%r3 lgr %r3,%r4 @@ -46,7 +47,7 @@ SYM_FUNC_END(_diag14_amode31) /* * int _diag210_amode31(struct diag210 *addr) */ -SYM_FUNC_START(_diag210_amode31) +SYM_TYPED_FUNC_START(_diag210_amode31) lgr %r1,%r2 lhi %r2,-1 sam31 @@ -64,7 +65,7 @@ SYM_FUNC_END(_diag210_amode31) /* * int diag8c(struct diag8c *addr, struct ccw_dev_id *devno, size_t len) */ -SYM_FUNC_START(_diag8c_amode31) +SYM_TYPED_FUNC_START(_diag8c_amode31) llgf %r3,0(%r3) sam31 diag %r2,%r4,0x8c @@ -77,7 +78,7 @@ SYM_FUNC_END(_diag8c_amode31) /* * int _diag26c_amode31(void *req, void *resp, enum diag26c_sc subcode) */ -SYM_FUNC_START(_diag26c_amode31) +SYM_TYPED_FUNC_START(_diag26c_amode31) lghi %r5,-EOPNOTSUPP sam31 diag %r2,%r4,0x26c @@ -91,7 +92,7 @@ SYM_FUNC_END(_diag26c_amode31) /* * void _diag0c_amode31(unsigned long rx) */ -SYM_FUNC_START(_diag0c_amode31) +SYM_TYPED_FUNC_START(_diag0c_amode31) sam31 diag %r2,%r2,0x0c sam64 @@ -103,7 +104,7 @@ SYM_FUNC_END(_diag0c_amode31) * * Calls diag 308 subcode 1 and continues execution */ -SYM_FUNC_START(_diag308_reset_amode31) +SYM_TYPED_FUNC_START(_diag308_reset_amode31) larl %r4,ctlregs # Save control registers stctg %c0,%c15,0(%r4) lg %r2,0(%r4) # Disable lowcore protection -- 2.53.0