[PATCH RESEND v9 31/36] x86/traps: Export external_interrupt() for handling IRQ in IRQ induced VM exits

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Export external_interrupt() for handling IRQ in IRQ induced VM exits.

Tested-by: Shan Kang <shan.kang@xxxxxxxxx>
Signed-off-by: Xin Li <xin3.li@xxxxxxxxx>
---
 arch/x86/kernel/traps.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 90fdfcccee7a..6143ad56008e 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -1560,6 +1560,11 @@ int external_interrupt(struct pt_regs *regs)
 	return 0;
 }
 
+#if IS_ENABLED(CONFIG_KVM_INTEL)
+/* For KVM VMX to handle IRQs in IRQ induced VM exits. */
+EXPORT_SYMBOL_GPL(external_interrupt);
+#endif
+
 #endif /* CONFIG_X86_64 */
 
 void __init trap_init(void)
-- 
2.34.1




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