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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-26 16:29:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 16:29:23 +0200 |
| commit | 6dec3a10a7a6093af10cef7ac56021150afd6451 (patch) | |
| tree | f4d8511f023e3e0c203baf889d4a0f3925882381 /include/asm-x86/ipi.h | |
| parent | 29308333fbe2cc61258c1c470f9403960428beb2 (diff) | |
| parent | 10a010f6953b5a14ba2f0be40a4fce1bea220875 (diff) | |
| download | blackbird-op-linux-6dec3a10a7a6093af10cef7ac56021150afd6451.tar.gz blackbird-op-linux-6dec3a10a7a6093af10cef7ac56021150afd6451.zip | |
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.h | 16 |
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) |
