Commit 67bc5b2d authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Will Deacon
Browse files

arm64: alternatives: add __init/__initconst to some functions/variables 



apply_alternatives_vdso(), __apply_alternatives_multi_stop() and
kernel_alternatives are not needed after booting, so mark the two
functions as __init and the var as __initconst.

Signed-off-by: default avatarJisheng Zhang <jszhang@kernel.org>
Link: https://lore.kernel.org/r/20221202161859.2228-1-jszhang@kernel.org


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent d503d01e

arch/arm64/kernel/alternative.c

+3 −3
Original line number Diff line number Diff line
@@ -196,7 +196,7 @@ static void __apply_alternatives(const struct alt_region *region, 
	}

}



static void apply_alternatives_vdso(void)

static void __init apply_alternatives_vdso(void)

{

	struct alt_region region;

	const struct elf64_hdr *hdr;
@@ -220,7 +220,7 @@ static void apply_alternatives_vdso(void) 
	__apply_alternatives(&region, false, &all_capabilities[0]);

}



static const struct alt_region kernel_alternatives = {

static const struct alt_region kernel_alternatives __initconst = {

	.begin	= (struct alt_instr *)__alt_instructions,

	.end	= (struct alt_instr *)__alt_instructions_end,

};
@@ -229,7 +229,7 @@ static const struct alt_region kernel_alternatives = { 
 * We might be patching the stop_machine state machine, so implement a

 * really simple polling protocol here.

 */

static int __apply_alternatives_multi_stop(void *unused)

static int __init __apply_alternatives_multi_stop(void *unused)

{

	/* We always have a CPU 0 at this point (__init) */

	if (smp_processor_id()) {