lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: add x2apic config

Browse Source 
Impact: cleanup

so could deselect x2apic
and INTR_REMAP will select x2apic

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2009-02-16 17:29:58 -08:00
committed by Ingo Molnar
parent 9f361c2219
commit 06cd9a7dc8
8 changed files with 51 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
arch/x86/include/asm/apic.h
View File

@@ -112,7 +112,7 @@ static inline u32 native_apic_msr_read(u32 reg)
return low;
}
#ifndef CONFIG_X86_32
#ifdef CONFIG_X86_X2APIC
extern int x2apic;
extern void check_x2apic(void);
extern void enable_x2apic(void);
@@ -131,7 +131,19 @@ static inline int x2apic_enabled(void)
return 0;
}
#else
#define x2apic_enabled() 0
static inline void check_x2apic(void)
{
}
static inline void enable_x2apic(void)
{
}
static inline void enable_IR_x2apic(void)
{
}
static inline int x2apic_enabled(void)
{
return 0;
}
#endif
struct apic_ops {
@@ -177,7 +189,7 @@ static inline u32 safe_apic_wait_icr_idle(void)
extern int get_physical_broadcast(void);
#ifdef CONFIG_X86_64
#ifdef CONFIG_X86_X2APIC
static inline void ack_x2APIC_irq(void)
{
/* Docs say use 0 for future compatibility */