From: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>,
Peter Zijlstra <peterz@infradead.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
"David S . Miller" <davem@davemloft.net>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Oleg Nesterov <oleg@redhat.com>,
Tzvetomir Stoyanov <tz.stoyanov@gmail.com>,
Naveen N Rao <naveen@kernel.org>,
Josh Poimboeuf <jpoimboe@kernel.org>,
Jason Baron <jbaron@akamai.com>, Ard Biesheuvel <ardb@kernel.org>,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Subject: [PATCH 1/5] jump_label: Define guard() for jump_label_lock
Date: Mon, 9 Dec 2024 11:41:11 +0900 [thread overview]
Message-ID: <173371207108.480397.12818384744149153972.stgit@devnote2> (raw)
In-Reply-To: <173371205755.480397.7893311565254712194.stgit@devnote2>
From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
include/linux/jump_label.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index f5a2727ca4a9..fdb79dd1ebd8 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -75,6 +75,7 @@
#include <linux/types.h>
#include <linux/compiler.h>
+#include <linux/cleanup.h>
extern bool static_key_initialized;
@@ -347,6 +348,8 @@ static inline void static_key_disable(struct static_key *key)
#endif /* CONFIG_JUMP_LABEL */
+DEFINE_LOCK_GUARD_0(jump_label_lock, jump_label_lock(), jump_label_unlock())
+
#define STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
#define jump_label_enabled static_key_enabled
next prev parent reply other threads:[~2024-12-09 2:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-09 2:40 [PATCH 0/5] kprobes: jump label: Cleanup with guard and __free Masami Hiramatsu (Google)
2024-12-09 2:41 ` Masami Hiramatsu (Google) [this message]
2024-12-09 2:41 ` [PATCH 2/5] kprobes: Use guard() for external locks Masami Hiramatsu (Google)
2024-12-09 11:04 ` Peter Zijlstra
2024-12-10 2:04 ` Masami Hiramatsu
2024-12-10 2:15 ` Masami Hiramatsu
2024-12-10 12:10 ` Peter Zijlstra
2024-12-10 14:12 ` Masami Hiramatsu
2024-12-10 23:17 ` Masami Hiramatsu
2024-12-09 2:41 ` [PATCH 3/5] kprobes: Use guard for rcu_read_lock Masami Hiramatsu (Google)
2024-12-09 2:41 ` [PATCH 4/5] kprobes: Remove unneeded goto Masami Hiramatsu (Google)
2024-12-09 2:42 ` [PATCH 5/5] kprobes: Remove remaining gotos Masami Hiramatsu (Google)
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