[SRU][J][PATCH v2 06/20] x86/CPU/AMD: Move erratum 1076 fix into the Zen1 init function

Juerg Haefliger juerg.haefliger at canonical.com
Mon Oct 20 14:19:53 UTC 2025


From: "Borislav Petkov (AMD)" <bp at alien8.de>

No functional changes.

Signed-off-by: Borislav Petkov (AMD) <bp at alien8.de>
Reviewed-by: Nikolay Borisov <nik.borisov at suse.com>
Link: http://lore.kernel.org/r/20231120104152.13740-5-bp@alien8.de
(cherry picked from commit 0da91912fc150d6d321b15e648bead202ced1a27)
CVE-2024-53114
Signed-off-by: Juerg Haefliger <juerg.haefliger at canonical.com>
---
 arch/x86/kernel/cpu/amd.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index bc864477e27a..77c24e959d16 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1088,6 +1088,11 @@ static void init_amd_zn(struct cpuinfo_x86 *c)
 #ifdef CONFIG_NUMA
 	node_reclaim_distance = 32;
 #endif
+}
+
+static void init_amd_zen(struct cpuinfo_x86 *c)
+{
+	fix_erratum_1386(c);
 
 	/* Fix up CPUID bits, but only if not virtualised. */
 	if (!cpu_has(c, X86_FEATURE_HYPERVISOR)) {
@@ -1139,11 +1144,6 @@ static void zenbleed_check(struct cpuinfo_x86 *c)
 	}
 }
 
-static void init_amd_zen(struct cpuinfo_x86 *c)
-{
-	fix_erratum_1386(c);
-}
-
 static void init_amd_zen2(struct cpuinfo_x86 *c)
 {
 	fix_erratum_1386(c);
-- 
2.48.1




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