[patch V2 55/58] x86/apic: Mark all hotpath APIC callback wrappers __always_inline

From: Thomas Gleixner
Date: Mon Jul 24 2023 - 09:39:14 EST


There is no value for instrumentation to look at those wrappers and with the
upcoming conversion to static calls even less so.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
arch/x86/include/asm/apic.h | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -371,48 +371,48 @@ void __init apic_install_driver(struct a
pr_info("APIC: %s() replaced with %ps()\n", #_callback, _fn); \
}

-static inline u32 apic_read(u32 reg)
+static __always_inline u32 apic_read(u32 reg)
{
return apic->read(reg);
}

-static inline void apic_write(u32 reg, u32 val)
+static __always_inline void apic_write(u32 reg, u32 val)
{
apic->write(reg, val);
}

-static inline void apic_eoi(void)
+static __always_inline void apic_eoi(void)
{
apic->eoi();
}

-static inline void apic_native_eoi(void)
+static __always_inline void apic_native_eoi(void)
{
apic->native_eoi();
}

-static inline u64 apic_icr_read(void)
+static __always_inline u64 apic_icr_read(void)
{
return apic->icr_read();
}

-static inline void apic_icr_write(u32 low, u32 high)
+static __always_inline void apic_icr_write(u32 low, u32 high)
{
apic->icr_write(low, high);
}

-static inline void apic_wait_icr_idle(void)
+static __always_inline void apic_wait_icr_idle(void)
{
if (apic->wait_icr_idle)
apic->wait_icr_idle();
}

-static inline u32 safe_apic_wait_icr_idle(void)
+static __always_inline u32 safe_apic_wait_icr_idle(void)
{
return apic->safe_wait_icr_idle ? apic->safe_wait_icr_idle() : 0;
}

-static inline bool apic_id_valid(u32 apic_id)
+static __always_inline bool apic_id_valid(u32 apic_id)
{
return apic_id <= apic->max_apic_id;
}