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arm64/kernel: Move 'nokaslr' parsing out of early idreg code

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Parsing and ignoring 'nokaslr' can be done from anywhere, except from
the code that runs very early and is therefore built with limitations on
the kind of relocations it is permitted to use.

So move it to a source file that is part of the ordinary kernel build.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20231129111555.3594833-63-ardb@google.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Ard Biesheuvel 2023-11-29 12:16:16 +01:00 committed by Will Deacon
parent ea48626f8f
commit 50f176175e
2 changed files with 7 additions and 7 deletions
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7
arch/arm64/kernel/idreg-override.c
View File

@ -199,13 +199,6 @@ static const struct {
{ "nokaslr", "arm64_sw.nokaslr=1" },
};
static int __init parse_nokaslr(char *unused)
{
/* nokaslr param handling is done by early cpufeature code */
return 0;
}
early_param("nokaslr", parse_nokaslr);
static int __init parse_hexdigit(const char *p, u64 *v)
{
// skip "0x" if it comes next

7
arch/arm64/kernel/kaslr.c
View File

@ -36,3 +36,10 @@ void __init kaslr_init(void)
pr_info("KASLR enabled\n");
__kaslr_is_enabled = true;
}
static int __init parse_nokaslr(char *unused)
{
/* nokaslr param handling is done by early cpufeature code */
return 0;
}
early_param("nokaslr", parse_nokaslr);