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authorAvi Kivity <avi@redhat.com>2010-04-19 12:52:53 +0300
committerAvi Kivity <avi@redhat.com>2010-05-17 12:17:58 +0300
commit9beeaa2d689842f7760aa16c512e6bb8182d38b6 (patch)
tree62cea0772127c4b1c0b476e46dec6830d36809c1 /arch/x86/include/asm/apic.h
parent3246af0ece6c61689847417977733f0b12dc4b6f (diff)
parenta1645ce12adb6c9cc9e19d7695466204e3f017fe (diff)
downloadop-kernel-dev-9beeaa2d689842f7760aa16c512e6bb8182d38b6.zip
op-kernel-dev-9beeaa2d689842f7760aa16c512e6bb8182d38b6.tar.gz
Merge branch 'perf'
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/apic.h')
-rw-r--r--arch/x86/include/asm/apic.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index b4ac2cd..1fa03e0 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -373,6 +373,7 @@ extern atomic_t init_deasserted;
extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip);
#endif
+#ifdef CONFIG_X86_LOCAL_APIC
static inline u32 apic_read(u32 reg)
{
return apic->read(reg);
@@ -403,10 +404,19 @@ static inline u32 safe_apic_wait_icr_idle(void)
return apic->safe_wait_icr_idle();
}
+#else /* CONFIG_X86_LOCAL_APIC */
+
+static inline u32 apic_read(u32 reg) { return 0; }
+static inline void apic_write(u32 reg, u32 val) { }
+static inline u64 apic_icr_read(void) { return 0; }
+static inline void apic_icr_write(u32 low, u32 high) { }
+static inline void apic_wait_icr_idle(void) { }
+static inline u32 safe_apic_wait_icr_idle(void) { return 0; }
+
+#endif /* CONFIG_X86_LOCAL_APIC */
static inline void ack_APIC_irq(void)
{
-#ifdef CONFIG_X86_LOCAL_APIC
/*
* ack_APIC_irq() actually gets compiled as a single instruction
* ... yummie.
@@ -414,7 +424,6 @@ static inline void ack_APIC_irq(void)
/* Docs say use 0 for future compatibility */
apic_write(APIC_EOI, 0);
-#endif
}
static inline unsigned default_get_apic_id(unsigned long x)
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