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Message-Id: <20190726212124.516286187@linutronix.de>
Date: Fri, 26 Jul 2019 23:19:41 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: x86@...nel.org, Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
"Paul E. McKenney" <paulmck@...ux.ibm.com>,
Paolo Bonzini <pbonzini@...hat.com>
Subject: [patch 5/8] kprobes: Use CONFIG_PREEMPTION
CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by
CONFIG_PREEMPT_RT. Both PREEMPT and PREEMPT_RT require the same
functionality which today depends on CONFIG_PREEMPT.
Switch kprobes conditional over to CONFIG_PREEMPTION.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
---
kernel/kprobes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1906,7 +1906,7 @@ int register_kretprobe(struct kretprobe
/* Pre-allocate memory for max kretprobe instances */
if (rp->maxactive <= 0) {
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
rp->maxactive = max_t(unsigned int, 10, 2*num_possible_cpus());
#else
rp->maxactive = num_possible_cpus();
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