x86/microcode: Default-disable late loading

mainline inclusion
from mainline-v5.19-rc1
commit a77a94f8
category: feature
feature: Backport Intel In Field Scan(IFS) multi-blob images support
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I6L337
CVE: N/A
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/


commit/?id=a77a94f8

Intel-SIG: commit a77a94f8 ("x86/microcode: Default-disable late loading")

-------------------------------------

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


Signed-off-by: Aichun Shi <aichun.shi@intel.com>