diff options
| author | Borislav Petkov <bp@suse.de> | 2022-05-25 18:12:30 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2022-05-31 09:31:19 +0200 |
| commit | a77a94f86273ce42a39cb479217dd8d68acfe0ff (patch) | |
| tree | c54dd66607fa015e227baa7f9b05cfabc84c7896 /arch/x86/kernel/cpu/common.c | |
| parent | 181b6f40e9ea80c76756d4d0cdeed396016c487e (diff) | |
x86/microcode: Default-disable late loading
It is dangerous and it should not be used anyway - there's a nice early
loading already.
Requested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20220525161232.14924-3-bp@alien8.de
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 2e9142797c99..c296cb1c0113 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -2222,6 +2222,7 @@ void cpu_init_secondary(void) } #endif +#ifdef CONFIG_MICROCODE_LATE_LOADING /* * The microcode loader calls this upon late microcode load to recheck features, * only when microcode has been updated. Caller holds microcode_mutex and CPU @@ -2251,6 +2252,7 @@ void microcode_check(void) pr_warn("x86/CPU: CPU features have changed after loading microcode, but might not take effect.\n"); pr_warn("x86/CPU: Please consider either early loading through initrd/built-in or a potential BIOS update.\n"); } +#endif /* * Invoked from core CPU hotplug code after hotplug operations |