[PATCH 6/6] x86/traps: remove unused NMI entry exc_nmi_noist()

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After the introduction of kvm_vmx_reinject_irq(), exc_nmi_noist()
is no longer needed, thus remove it.

Signed-off-by: Xin Li <xin3.li@xxxxxxxxx>
---
 arch/x86/include/asm/idtentry.h | 15 ---------------
 arch/x86/kernel/nmi.c           | 10 ----------
 2 files changed, 25 deletions(-)

diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h
index 72184b0b2219..da28ac17c57a 100644
--- a/arch/x86/include/asm/idtentry.h
+++ b/arch/x86/include/asm/idtentry.h
@@ -581,21 +581,6 @@ DECLARE_IDTENTRY_RAW(X86_TRAP_MC,	xenpv_exc_machine_check);
 #endif
 
 /* NMI */
-
-#if defined(CONFIG_X86_64) && IS_ENABLED(CONFIG_KVM_INTEL)
-/*
- * Special NOIST entry point for VMX which invokes this on the kernel
- * stack. asm_exc_nmi() requires an IST to work correctly vs. the NMI
- * 'executing' marker.
- *
- * On 32bit this just uses the regular NMI entry point because 32-bit does
- * not have ISTs.
- */
-DECLARE_IDTENTRY(X86_TRAP_NMI,		exc_nmi_noist);
-#else
-#define asm_exc_nmi_noist		asm_exc_nmi
-#endif
-
 DECLARE_IDTENTRY_NMI(X86_TRAP_NMI,	exc_nmi);
 #ifdef CONFIG_XEN_PV
 DECLARE_IDTENTRY_RAW(X86_TRAP_NMI,	xenpv_exc_nmi);
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index cec0bfa3bc04..816bb59a4ba4 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -527,16 +527,6 @@ DEFINE_IDTENTRY_RAW(exc_nmi)
 		mds_user_clear_cpu_buffers();
 }
 
-#if defined(CONFIG_X86_64) && IS_ENABLED(CONFIG_KVM_INTEL)
-DEFINE_IDTENTRY_RAW(exc_nmi_noist)
-{
-	exc_nmi(regs);
-}
-#endif
-#if IS_MODULE(CONFIG_KVM_INTEL)
-EXPORT_SYMBOL_GPL(asm_exc_nmi_noist);
-#endif
-
 void stop_nmi(void)
 {
 	ignore_nmis++;
-- 
2.34.1




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