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make x86_issue_ipi() call wait_icr_idle()

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NAKAMURA Gou
2015-09-29 19:02:09 +09:00
parent 47e8552eba
commit a666b69c2c
1 changed files with 1 additions and 2 deletions
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3
arch/x86/kernel/cpu.c
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@ -818,6 +818,7 @@ static void wait_icr_idle(void)
void x86_issue_ipi(unsigned int apicid, unsigned int low) void x86_issue_ipi(unsigned int apicid, unsigned int low)
{ {
wait_icr_idle();
lapic_icr_write(apicid << LAPIC_ICR_ID_SHIFT, low); lapic_icr_write(apicid << LAPIC_ICR_ID_SHIFT, low);
} }
@ -844,7 +845,6 @@ static void __x86_wakeup(int apicid, unsigned long ip)
/* INIT */ /* INIT */
x86_issue_ipi(apicid, x86_issue_ipi(apicid,
APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT); APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT);
wait_icr_idle();
x86_issue_ipi(apicid, x86_issue_ipi(apicid,
APIC_INT_LEVELTRIG | APIC_DM_INIT); APIC_INT_LEVELTRIG | APIC_DM_INIT);
@ -1249,7 +1249,6 @@ int ihk_mc_interrupt_cpu(int cpu, int vector)
{ {
dkprintf("[%d] ihk_mc_interrupt_cpu: %d\n", ihk_mc_get_processor_id(), cpu); dkprintf("[%d] ihk_mc_interrupt_cpu: %d\n", ihk_mc_get_processor_id(), cpu);
wait_icr_idle();
x86_issue_ipi(cpu, vector); x86_issue_ipi(cpu, vector);
return 0; return 0;
} }