1 files changed, 8 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 775f10100d7f..c9176bae7fd8 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -904,6 +904,14 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
 
         setup_force_cpu_cap(X86_FEATURE_ALWAYS);
         fpu__init_system(c);
+
+#ifdef CONFIG_X86_32
+        /*
+         * Regardless of whether PCID is enumerated, the SDM says
+         * that it can't be enabled in 32-bit mode.
+         */
+        setup_clear_cpu_cap(X86_FEATURE_PCID);
+#endif
 }
 
 void __init early_cpu_init(void)