linux-kernel - [PATCH 06/13] x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen

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Message-ID: <20231120104152.13740-7-bp@alien8.de>
Date:   Mon, 20 Nov 2023 11:41:45 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     X86 ML <x86@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 06/13] x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen_common()

From: "Borislav Petkov (AMD)" <bp@...en8.de>

Call it from all Zen init functions.

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
---
 arch/x86/kernel/cpu/amd.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index f43a70d495da..8d90f5f6b0d9 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1017,7 +1017,7 @@ void init_spectral_chicken(struct cpuinfo_x86 *c)
 #endif
 }
 
-static void init_amd_zn(struct cpuinfo_x86 *c)
+static void init_amd_zen_common(void)
 {
 #ifdef CONFIG_NUMA
 	node_reclaim_distance = 32;
@@ -1026,6 +1026,7 @@ static void init_amd_zn(struct cpuinfo_x86 *c)
 
 static void init_amd_zen(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
 	fix_erratum_1386(c);
 
 	/* Fix up CPUID bits, but only if not virtualised. */
@@ -1035,16 +1036,20 @@ static void init_amd_zen(struct cpuinfo_x86 *c)
 		if (!cpu_has(c, X86_FEATURE_CPB))
 			set_cpu_cap(c, X86_FEATURE_CPB);
 	}
+
 }
 
 static void init_amd_zen2(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
 	init_spectral_chicken(c);
 	fix_erratum_1386(c);
 }
 
 static void init_amd_zen3(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
+
 	if (!cpu_has(c, X86_FEATURE_HYPERVISOR)) {
 		/*
 		 * Zen3 (Fam19 model < 0x10) parts are not susceptible to
@@ -1058,6 +1063,7 @@ static void init_amd_zen3(struct cpuinfo_x86 *c)
 
 static void init_amd_zen4(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
 }
 
 static bool cpu_has_zenbleed_microcode(void)
@@ -1135,9 +1141,6 @@ static void init_amd(struct cpuinfo_x86 *c)
 	case 0x12: init_amd_ln(c); break;
 	case 0x15: init_amd_bd(c); break;
 	case 0x16: init_amd_jg(c); break;
-	case 0x17:
-		   fallthrough;
-	case 0x19: init_amd_zn(c); break;
 	}
 
 	if (boot_cpu_has(X86_FEATURE_ZEN))
-- 
2.42.0.rc0.25.ga82fb66fed25