linux-kernel - [PATCH 0/2] um/ptrace: Implement HAVE_SYSCALL

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Message-Id: <20250703-uml-have_syscall_tracepoints-v1-0-23c1d3808578@linutronix.de>
Date: Thu, 03 Jul 2025 14:38:53 +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 0/2] um/ptrace: Implement HAVE_SYSCALL_TRACEPOINTS

Implement syscall tracepoints through the generic tracing infrastructure.

We want to use this to run realtime validation monitors [0] inside UML,
to test applications for PREEMPT_RT compliance.

[0] https://lore.kernel.org/lkml/cover.1749547399.git.namcao@linutronix.de/

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
Thomas Weißschuh (2):
      um/x86: Add system call table to header file
      um/ptrace: Implement HAVE_SYSCALL_TRACEPOINTS

 arch/um/Kconfig                   | 1 +
 arch/um/include/asm/thread_info.h | 2 ++
 arch/um/kernel/ptrace.c           | 9 +++++++++
 arch/x86/um/asm/syscall.h         | 2 ++
 4 files changed, 14 insertions(+)
---
base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494
change-id: 20250702-uml-have_syscall_tracepoints-9f4d182fc308

Best regards,
-- 
Thomas Weißschuh <thomas.weissschuh@...utronix.de>