x86/microcode: Drop struct ucode_cpu_info.valid

mainline inclusion
from mainline-v6.2-rc1
commit 254ed7cf
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=254ed7cf

Intel-SIG: commit 254ed7cf ("x86/microcode: Drop struct ucode_cpu_info.valid")

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

x86/microcode: Drop struct ucode_cpu_info.valid

It is not needed anymore.
Signed-off-by: NBorislav Petkov <bp@suse.de>
Reviewed-by: NAshok Raj <ashok.raj@intel.com>
Link: https://lore.kernel.org/r/20221028142638.28498-6-bp@alien8.deSigned-off-by: NAichun Shi <aichun.shi@intel.com>

arch/x86/include/asm/microcode.h

@@ -48,7 +48,6 @@ struct microcode_ops {
 
 struct ucode_cpu_info {
 	struct cpu_signature	cpu_sig;
-	int			valid;
 	void			*mc;
 };
 extern struct ucode_cpu_info ucode_cpu_info[];

arch/x86/kernel/cpu/intel.c

@@ -207,7 +207,6 @@ int intel_cpu_collect_info(struct ucode_cpu_info *uci)
 	csig.rev = intel_get_microcode_revision();
 
 	uci->cpu_sig = csig;
-	uci->valid = 1;
 
 	return 0;
 }

arch/x86/kernel/cpu/microcode/core.c

@@ -571,9 +571,9 @@ void microcode_bsp_resume(void)
 	int cpu = smp_processor_id();
 	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
 
-	if (uci->valid && uci->mc)
+	if (uci->mc)
 		microcode_ops->apply_microcode(cpu);
-	else if (!uci->mc)
+	else
 		reload_early_microcode();
 }