linux-kernel - [RFC PATCH v1 3/4] static_call: Call static_call_init() from start

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Message-Id: <95dbf2912ac97daf08cfb64c554cfa83266968e6.1653494186.git.christophe.leroy@csgroup.eu>
Date:   Wed, 25 May 2022 17:58:16 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, peterz@...radead.org,
        aik@...abs.ru, sv@...ux.ibm.com, rostedt@...dmis.org,
        jpoimboe@...hat.com, naveen.n.rao@...ux.vnet.ibm.com,
        mbenes@...e.cz
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [RFC PATCH v1 3/4] static_call: Call static_call_init() from start_kernel()

Call static_call_init() just after jump_label_init().

x86 already called it from setup_arch(). This is not a
problem as static_call_init() is guarded from double call.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 init/main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/init/main.c b/init/main.c
index 98182c3c2c4b..b6c49c18ec5d 100644
--- a/init/main.c
+++ b/init/main.c
@@ -962,6 +962,7 @@ asmlinkage __visible void __init __no_sanitize_address start_kernel(void)
 	pr_notice("Kernel command line: %s\n", saved_command_line);
 	/* parameters may set static keys */
 	jump_label_init();
+	static_call_init();
 	parse_early_param();
 	after_dashes = parse_args("Booting kernel",
 				  static_command_line, __start___param,
-- 
2.35.3