linux-kernel - [PATCH 1/2] um/x86: Add system call table to header file

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250703-uml-have_syscall_tracepoints-v1-1-23c1d3808578@linutronix.de>
Date: Thu, 03 Jul 2025 14:38:54 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Richard Weinberger <richard@....at>, 
 Anton Ivanov <anton.ivanov@...bridgegreys.com>, 
 Johannes Berg <johannes@...solutions.net>, 
 Steven Rostedt <rostedt@...dmis.org>, 
 Masami Hiramatsu <mhiramat@...nel.org>, 
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 linux-trace-kernel@...r.kernel.org, Nam Cao <namcao@...utronix.de>, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH 1/2] um/x86: Add system call table to header file

The generic system call tracing infrastructure requires access to the
system call table. The symbol is already visible to the linker but is
lacking a public declaration.

Add a public declaration.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Reviewed-by: Nam Cao <namcao@...utronix.de>
---
 arch/x86/um/asm/syscall.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/um/asm/syscall.h b/arch/x86/um/asm/syscall.h
index 56a2f0913e3c0307958eb47815a7634447cb1390..d6208d0fad51a95f3d56879c1bceb50c3ec0f6b2 100644
--- a/arch/x86/um/asm/syscall.h
+++ b/arch/x86/um/asm/syscall.h
@@ -9,6 +9,8 @@ typedef asmlinkage long (*sys_call_ptr_t)(unsigned long, unsigned long,
 					  unsigned long, unsigned long,
 					  unsigned long, unsigned long);
 
+extern const sys_call_ptr_t sys_call_table[];
+
 static inline int syscall_get_arch(struct task_struct *task)
 {
 #ifdef CONFIG_X86_32

-- 
2.50.0