linux-kernel - [tip: x86/cpu] x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen

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Date:   Wed, 29 Nov 2023 11:22:30 -0000
From:   "tip-bot2 for Borislav Petkov (AMD)" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Borislav Petkov (AMD)" <bp@...en8.de>,
        Nikolay Borisov <nik.borisov@...e.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/cpu] x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen_common()

The following commit has been merged into the x86/cpu branch of tip:

Commit-ID:     7c81ad8e8bc28a1847e87c5afe1bae6bffb2f73e
Gitweb:        https://git.kernel.org/tip/7c81ad8e8bc28a1847e87c5afe1bae6bffb2f73e
Author:        Borislav Petkov (AMD) <bp@...en8.de>
AuthorDate:    Wed, 01 Nov 2023 12:34:29 +01:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Wed, 29 Nov 2023 12:12:27 +01:00

x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen_common()

Call it from all Zen init functions.

Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Reviewed-by: Nikolay Borisov <nik.borisov@...e.com>
Link: http://lore.kernel.org/r/20231120104152.13740-7-bp@alien8.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 82747b6..f53e0a2 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. */
@@ -1075,16 +1076,20 @@ static void zenbleed_check(struct cpuinfo_x86 *c)
 	} else {
 		msr_clear_bit(MSR_AMD64_DE_CFG, MSR_AMD64_DE_CFG_ZEN2_FP_BACKUP_FIX_BIT);
 	}
+
 }
 
 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
@@ -1098,6 +1103,7 @@ static void init_amd_zen3(struct cpuinfo_x86 *c)
 
 static void init_amd_zen4(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
 }
 
 static void init_amd(struct cpuinfo_x86 *c)
@@ -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))