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Commit 42e0a9aa authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

x86: use u32 for some lapic functions 



Use u32 so 32 and 64bit have the same interface.

Andrew Morton: xen, lguest build fixes

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 3c6bb07a

arch/x86/kernel/apic_32.c

+2 −2
Original line number Diff line number Diff line
@@ -135,9 +135,9 @@ void apic_wait_icr_idle(void) 
		cpu_relax();

}



unsigned long safe_apic_wait_icr_idle(void)

u32 safe_apic_wait_icr_idle(void)

{

	unsigned long send_status;

	u32 send_status;

	int timeout;



	timeout = 0;

arch/x86/lguest/boot.c

+2 −2
Original line number Diff line number Diff line
@@ -788,11 +788,11 @@ static void lguest_wbinvd(void) 
 * code qualifies for Advanced.  It will also never interrupt anything.  It

 * does, however, allow us to get through the Linux boot code. */

#ifdef CONFIG_X86_LOCAL_APIC

static void lguest_apic_write(unsigned long reg, unsigned long v)

static void lguest_apic_write(unsigned long reg, u32 v)

{

}



static unsigned long lguest_apic_read(unsigned long reg)

static u32 lguest_apic_read(unsigned long reg)

{

	return 0;

}

arch/x86/xen/enlighten.c

+2 −2
Original line number Diff line number Diff line
@@ -521,12 +521,12 @@ static void xen_io_delay(void) 
}



#ifdef CONFIG_X86_LOCAL_APIC

static unsigned long xen_apic_read(unsigned long reg)

static u32 xen_apic_read(unsigned long reg)

{

	return 0;

}



static void xen_apic_write(unsigned long reg, unsigned long val)

static void xen_apic_write(unsigned long reg, u32 val)

{

	/* Warn to see if there's any stray references */

	WARN_ON(1);

include/asm-x86/apic_32.h

+7 −9
Original line number Diff line number Diff line
@@ -51,25 +51,23 @@ extern int local_apic_timer_disabled; 
#define setup_secondary_clock setup_secondary_APIC_clock

#endif



static __inline fastcall void native_apic_write(unsigned long reg,

						unsigned long v)

static __inline fastcall void native_apic_write(unsigned long reg, u32 v)

{

	*((volatile unsigned long *)(APIC_BASE+reg)) = v;

	*((volatile u32 *)(APIC_BASE + reg)) = v;

}



static __inline fastcall void native_apic_write_atomic(unsigned long reg,

						       unsigned long v)

static __inline fastcall void native_apic_write_atomic(unsigned long reg, u32 v)

{

	xchg((volatile unsigned long *)(APIC_BASE+reg), v);

	(void) xchg((u32 *)(APIC_BASE + reg), v);

}



static __inline fastcall unsigned long native_apic_read(unsigned long reg)

static __inline fastcall u32 native_apic_read(unsigned long reg)

{

	return *((volatile unsigned long *)(APIC_BASE+reg));

	return *((volatile u32 *)(APIC_BASE + reg));

}



extern void apic_wait_icr_idle(void);

extern unsigned long safe_apic_wait_icr_idle(void);

extern u32 safe_apic_wait_icr_idle(void);

extern int get_physical_broadcast(void);



#ifdef CONFIG_X86_GOOD_APIC

include/asm-x86/apic_64.h

+3 −3
Original line number Diff line number Diff line
@@ -38,14 +38,14 @@ struct pt_regs; 
 * Basic functions accessing APICs.

 */



static __inline void apic_write(unsigned long reg, unsigned int v)

static __inline void apic_write(unsigned long reg, u32 v)

{

	*((volatile unsigned int *)(APIC_BASE+reg)) = v;

}



static __inline unsigned int apic_read(unsigned long reg)

static __inline u32 apic_read(unsigned long reg)

{

	return *((volatile unsigned int *)(APIC_BASE+reg));

	return *((volatile u32 *)(APIC_BASE+reg));

}



extern void apic_wait_icr_idle(void);