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Thu, 13 Nov 2025 15:07:31 +0000 (GMT) From: Heiko Carstens To: Alexander Gordeev , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Andreas Krebbel , Arnd Bergmann , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Willy Tarreau , Andrii Nakryiko , Alexei Starovoitov Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [PATCH 3/8] s390/syscalls: Add pt_regs parameter to SYSCALL_DEFINE0() syscall wrapper Date: Thu, 13 Nov 2025 16:07:25 +0100 Message-ID: <20251113150731.2697279-4-hca@linux.ibm.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251113150731.2697279-1-hca@linux.ibm.com> References: <20251113150731.2697279-1-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: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: jpomK04ugSPxU2roHLU2x5bKZB0QgOzW X-Proofpoint-ORIG-GUID: jpomK04ugSPxU2roHLU2x5bKZB0QgOzW X-Authority-Analysis: v=2.4 cv=VMPQXtPX c=1 sm=1 tr=0 ts=6915f438 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=94QMi1Fs8O4gAvJbfwkA:9 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTA4MDAyMiBTYWx0ZWRfX7Jfm+9C3bAba zkyh9pdAt7C91GWK0HSpVswnw8PxeeDxZXXQJ16glH+VLfbxvuJektdi+hy6FB7B50rC6vVoQpU PxRehV+EBiSGpRZcSS3wt6xg7NyUZsYpYs9cSLWUiKs1Bs9zUuNArkUr0Tpu3FPsNbGSIeOt3Qv QFdxGWLAPxTHx3UKh2IdY9wxxBXlbtBB0xHijid3u1nVWVo/FC8nN6yQz2xpr4TjFlyFCS7OFxk D+IWyxDtibSYanPTLzCZB6nWaq+B9VK3YIkXqelrC20UXxChlZoMYEn5thVs+8RXsEnJRPtYgQI Zsj9xsveZ4UiPdS/azrliLGrZ15QYiPFqojvsz6PUHEYo2rvz8StItqHHFnL3vwtQxUnEAI/zcj y/rXJ9mDSr03/Kqzif8wT0l1KVA44w== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-13_02,2025-11-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 clxscore=1011 phishscore=0 spamscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2511080022 Content-Type: text/plain; charset="utf-8" All system call wrappers should match the sys_call_ptr_t type. This is not the case for system calls without parameters. Add the missing pt_regs parameter there too. Note: this is currently not a problem, since the parameter is unused. However it prevents to create a correctly typed system call table in C. With the current assembler implementation this works because of missing type checking. Reviewed-by: Arnd Bergmann Signed-off-by: Heiko Carstens --- arch/s390/include/asm/syscall_wrapper.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/s390/include/asm/syscall_wrapper.h b/arch/s390/include/as= m/syscall_wrapper.h index 35c1d1b860d8..bf1ff5e9242d 100644 --- a/arch/s390/include/asm/syscall_wrapper.h +++ b/arch/s390/include/asm/syscall_wrapper.h @@ -38,22 +38,22 @@ * named __s390x_sys_*() */ #define COMPAT_SYSCALL_DEFINE0(sname) \ - long __s390_compat_sys_##sname(void); \ + long __s390_compat_sys_##sname(struct pt_regs *__unused); \ ALLOW_ERROR_INJECTION(__s390_compat_sys_##sname, ERRNO); \ - long __s390_compat_sys_##sname(void) + long __s390_compat_sys_##sname(struct pt_regs *__unused) =20 #define SYSCALL_DEFINE0(sname) \ SYSCALL_METADATA(_##sname, 0); \ - long __s390_sys_##sname(void); \ + long __s390_sys_##sname(struct pt_regs *__unused); \ ALLOW_ERROR_INJECTION(__s390_sys_##sname, ERRNO); \ - long __s390x_sys_##sname(void); \ + long __s390x_sys_##sname(struct pt_regs *__unused); \ ALLOW_ERROR_INJECTION(__s390x_sys_##sname, ERRNO); \ static inline long __do_sys_##sname(void); \ - long __s390_sys_##sname(void) \ + long __s390_sys_##sname(struct pt_regs *__unused) \ { \ return __do_sys_##sname(); \ } \ - long __s390x_sys_##sname(void) \ + long __s390x_sys_##sname(struct pt_regs *__unused) \ { \ return __do_sys_##sname(); \ } \ @@ -104,10 +104,10 @@ =20 #define SYSCALL_DEFINE0(sname) \ SYSCALL_METADATA(_##sname, 0); \ - long __s390x_sys_##sname(void); \ + long __s390x_sys_##sname(struct pt_regs *__unused); \ ALLOW_ERROR_INJECTION(__s390x_sys_##sname, ERRNO); \ static inline long __do_sys_##sname(void); \ - long __s390x_sys_##sname(void) \ + long __s390x_sys_##sname(struct pt_regs *__unused) \ { \ return __do_sys_##sname(); \ } \ --=20 2.48.1