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-rw-r--r--arch/x86/include/asm/apic.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index e6ab0cf15ed5..50f9781fa3ed 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -500,6 +500,17 @@ static inline bool lapic_vector_set_in_irr(unsigned int vector)
return !!(irr & (1U << (vector % 32)));
}
+static inline bool is_vector_pending(unsigned int vector)
+{
+ unsigned int irr;
+
+ irr = apic_read(APIC_IRR + (vector / 32 * 0x10));
+ if (irr & (1 << (vector % 32)))
+ return true;
+
+ return false;
+}
+
/*
* Warm reset vector position:
*/