[PATCH 06/13] x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen_common()

From: Borislav Petkov
Date: Mon Nov 20 2023 - 05:43:29 EST


From: "Borislav Petkov (AMD)" <bp@xxxxxxxxx>

Call it from all Zen init functions.

Signed-off-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
---
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