16718274ee
In preparation to convert protection of tracepoints from being protected by a preempt disabled section to being protected by SRCU, have all the perf callbacks disable preemption as perf expects preemption to be disabled when processing tracepoints. While at it, convert the perf system call callback preempt_disable() to a guard(preempt). Link: https://lore.kernel.org/all/20250613152218.1924093-1-bigeasy@linutronix.de/ Link: https://patch.msgid.link/20260108220550.2f6638f3@fedora Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Alexei Starovoitov <ast@kernel.org> Link: https://patch.msgid.link/20260126231256.174621257@kernel.org Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> |
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