summaryrefslogtreecommitdiff
path: root/include/asm-x86/ipi.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-07-26 16:29:23 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-26 16:29:23 +0200
commit6dec3a10a7a6093af10cef7ac56021150afd6451 (patch)
treef4d8511f023e3e0c203baf889d4a0f3925882381 /include/asm-x86/ipi.h
parent29308333fbe2cc61258c1c470f9403960428beb2 (diff)
parent10a010f6953b5a14ba2f0be40a4fce1bea220875 (diff)
Merge branch 'x86/x2apic' into x86/core
Conflicts: include/asm-x86/i8259.h include/asm-x86/msidef.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/ipi.h')
-rw-r--r--include/asm-x86/ipi.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/include/asm-x86/ipi.h b/include/asm-x86/ipi.h
index c1b226797518..30a692cfaff8 100644
--- a/include/asm-x86/ipi.h
+++ b/include/asm-x86/ipi.h
@@ -49,6 +49,12 @@ static inline int __prepare_ICR2(unsigned int mask)
return SET_APIC_DEST_FIELD(mask);
}
+static inline void __xapic_wait_icr_idle(void)
+{
+ while (native_apic_mem_read(APIC_ICR) & APIC_ICR_BUSY)
+ cpu_relax();
+}
+
static inline void __send_IPI_shortcut(unsigned int shortcut, int vector,
unsigned int dest)
{
@@ -64,7 +70,7 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector,
/*
* Wait for idle.
*/
- apic_wait_icr_idle();
+ __xapic_wait_icr_idle();
/*
* No need to touch the target chip field
@@ -74,7 +80,7 @@ static inline void __send_IPI_shortcut(unsigned int shortcut, int vector,
/*
* Send the IPI. The write to APIC_ICR fires this off.
*/
- apic_write(APIC_ICR, cfg);
+ native_apic_mem_write(APIC_ICR, cfg);
}
/*
@@ -92,13 +98,13 @@ static inline void __send_IPI_dest_field(unsigned int mask, int vector,
if (unlikely(vector == NMI_VECTOR))
safe_apic_wait_icr_idle();
else
- apic_wait_icr_idle();
+ __xapic_wait_icr_idle();
/*
* prepare target chip field
*/
cfg = __prepare_ICR2(mask);
- apic_write(APIC_ICR2, cfg);
+ native_apic_mem_write(APIC_ICR2, cfg);
/*
* program the ICR
@@ -108,7 +114,7 @@ static inline void __send_IPI_dest_field(unsigned int mask, int vector,
/*
* Send the IPI. The write to APIC_ICR fires this off.
*/
- apic_write(APIC_ICR, cfg);
+ native_apic_mem_write(APIC_ICR, cfg);
}
static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)