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-rw-r--r--arch/x86/include/asm/apic.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 2e599384abd8..84402de885b9 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -53,7 +53,7 @@ extern int apic_verbosity;
extern int local_apic_timer_c2_ok;
extern int disable_apic;
-extern unsigned int lapic_timer_frequency;
+extern unsigned int lapic_timer_period;
extern enum apic_intr_mode_id apic_intr_mode;
enum apic_intr_mode_id {
@@ -448,6 +448,14 @@ static inline void ack_APIC_irq(void)
apic_eoi();
}
+
+static inline bool lapic_vector_set_in_irr(unsigned int vector)
+{
+ u32 irr = apic_read(APIC_IRR + (vector / 32 * 0x10));
+
+ return !!(irr & (1U << (vector % 32)));
+}
+
static inline unsigned default_get_apic_id(unsigned long x)
{
unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));