[PATCH 06/15] x86/cpu: Remove the CONFIG_X86_INVD_BUG quirk

[Ingo Molnar]

Now that support for 486 CPUs is gone, remove this
quirk as well.

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/Kconfig.cpu    | 4 ----
 arch/x86/kernel/traps.c | 7 -------
 2 files changed, 11 deletions(-)

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index e9499e58776c..ab4988e06d86 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -224,10 +224,6 @@ config X86_F00F_BUG
 	def_bool y
 	depends on M586MMX || M586TSC || M586
 
-config X86_INVD_BUG
-	def_bool y
-	depends on M486SX || M486
-
 config X86_ALIGNMENT_16
 	def_bool y
 	depends on MCYRIXIII || MK6 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODEGX1
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 9f88b8a78e50..8d5bbac04435 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -1345,13 +1345,6 @@ DEFINE_IDTENTRY(exc_coprocessor_error)
 
 DEFINE_IDTENTRY(exc_simd_coprocessor_error)
 {
-	if (IS_ENABLED(CONFIG_X86_INVD_BUG)) {
-		/* AMD 486 bug: INVD in CPL 0 raises #XF instead of #GP */
-		if (!static_cpu_has(X86_FEATURE_XMM)) {
-			__exc_general_protection(regs, 0);
-			return;
-		}
-	}
 	math_error(regs, X86_TRAP_XF);
 }
 
-- 
2.45.2