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x86/apic: Check x2apic early

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No point in delaying the x2apic detection for the CONFIG_X86_X2APIC=n
case to enable_IR_x2apic(). We rather detect that before we try to
setup anything there.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/20150115211702.702479404@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2015-01-15 21:22:17 +00:00
parent 9aa1636527
commit d524165cb8
2 changed files with 21 additions and 15 deletions
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2
arch/x86/include/asm/apic.h
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@@ -178,7 +178,7 @@ static inline u64 native_x2apic_icr_read(void)
extern int x2apic_mode;
extern int x2apic_phys;
extern void check_x2apic(void);
extern void __init check_x2apic(void);
extern void enable_x2apic(void);
static inline int x2apic_enabled(void)
{