linux-kernel - [patch V4 12/30] x86/microcode/intel: Reuse intel_cpu_collect

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Date:   Mon,  2 Oct 2023 13:59:49 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Borislav Petkov <bp@...en8.de>,
        "Chang S. Bae" <chang.seok.bae@...el.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Nikolay Borisov <nik.borisov@...e.com>
Subject: [patch V4 12/30] x86/microcode/intel: Reuse intel_cpu_collect_info()

No point for an almost duplicate function.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
V2: New patch
---
 arch/x86/kernel/cpu/microcode/intel.c |   16 +---------------
 1 file changed, 1 insertion(+), 15 deletions(-)

--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -425,21 +425,7 @@ void reload_ucode_intel(void)
 
 static int collect_cpu_info(int cpu_num, struct cpu_signature *csig)
 {
-	struct cpuinfo_x86 *c = &cpu_data(cpu_num);
-	unsigned int val[2];
-
-	memset(csig, 0, sizeof(*csig));
-
-	csig->sig = cpuid_eax(0x00000001);
-
-	if ((c->x86_model >= 5) || (c->x86 > 6)) {
-		/* get processor flags from MSR 0x17 */
-		rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]);
-		csig->pf = 1 << ((val[1] >> 18) & 7);
-	}
-
-	csig->rev = c->microcode;
-
+	intel_collect_cpu_info(csig);
 	return 0;
 }