diff options
Diffstat (limited to 'arch/x86_64/kernel')
| -rw-r--r-- | arch/x86_64/kernel/apic.c | 15 | ||||
| -rw-r--r-- | arch/x86_64/kernel/io_apic.c | 20 | ||||
| -rw-r--r-- | arch/x86_64/kernel/smpboot.c | 11 |
3 files changed, 10 insertions, 36 deletions
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index 9af0cc3e2cc..fc84bea42fd 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -109,11 +109,8 @@ void clear_local_APIC(void) if (maxlvt >= 4) apic_write_around(APIC_LVTPC, APIC_LVT_MASKED); v = GET_APIC_VERSION(apic_read(APIC_LVR)); - if (APIC_INTEGRATED(v)) { /* !82489DX */ - if (maxlvt > 3) /* Due to Pentium errata 3AP and 11AP. */ - apic_write(APIC_ESR, 0); - apic_read(APIC_ESR); - } + apic_write(APIC_ESR, 0); + apic_read(APIC_ESR); } void __init connect_bsp_APIC(void) @@ -316,8 +313,6 @@ void __init init_bsp_APIC(void) */ apic_write_around(APIC_LVT0, APIC_DM_EXTINT); value = APIC_DM_NMI; - if (!APIC_INTEGRATED(ver)) /* 82489DX */ - value |= APIC_LVT_LEVEL_TRIGGER; apic_write_around(APIC_LVT1, value); } @@ -422,15 +417,11 @@ void __cpuinit setup_local_APIC (void) value = APIC_DM_NMI; else value = APIC_DM_NMI | APIC_LVT_MASKED; - if (!APIC_INTEGRATED(ver)) /* 82489DX */ - value |= APIC_LVT_LEVEL_TRIGGER; apic_write_around(APIC_LVT1, value); { unsigned oldvalue; maxlvt = get_maxlvt(); - if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ - apic_write(APIC_ESR, 0); oldvalue = apic_read(APIC_ESR); value = ERROR_APIC_VECTOR; // enables sending errors apic_write_around(APIC_LVTERR, value); @@ -674,8 +665,6 @@ static void __setup_APIC_LVTT(unsigned int clocks) ver = GET_APIC_VERSION(apic_read(APIC_LVR)); lvtt_value = APIC_LVT_TIMER_PERIODIC | LOCAL_TIMER_VECTOR; - if (!APIC_INTEGRATED(ver)) - lvtt_value |= SET_APIC_TIMER_BASE(APIC_TIMER_BASE_DIV); apic_write_around(APIC_LVTT, lvtt_value); /* diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 5f1529be123..0645dc83552 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -1022,13 +1022,11 @@ void __apicdebuginit print_local_APIC(void * dummy) v = apic_read(APIC_TASKPRI); printk(KERN_DEBUG "... APIC TASKPRI: %08x (%02x)\n", v, v & APIC_TPRI_MASK); - if (APIC_INTEGRATED(ver)) { /* !82489DX */ - v = apic_read(APIC_ARBPRI); - printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v, - v & APIC_ARBPRI_MASK); - v = apic_read(APIC_PROCPRI); - printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v); - } + v = apic_read(APIC_ARBPRI); + printk(KERN_DEBUG "... APIC ARBPRI: %08x (%02x)\n", v, + v & APIC_ARBPRI_MASK); + v = apic_read(APIC_PROCPRI); + printk(KERN_DEBUG "... APIC PROCPRI: %08x\n", v); v = apic_read(APIC_EOI); printk(KERN_DEBUG "... APIC EOI: %08x\n", v); @@ -1048,12 +1046,8 @@ void __apicdebuginit print_local_APIC(void * dummy) printk(KERN_DEBUG "... APIC IRR field:\n"); print_APIC_bitfield(APIC_IRR); - if (APIC_INTEGRATED(ver)) { /* !82489DX */ - if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ - apic_write(APIC_ESR, 0); - v = apic_read(APIC_ESR); - printk(KERN_DEBUG "... APIC ESR: %08x\n", v); - } + v = apic_read(APIC_ESR); + printk(KERN_DEBUG "... APIC ESR: %08x\n", v); v = apic_read(APIC_ICR); printk(KERN_DEBUG "... APIC ICR: %08x\n", v); diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index d4b63281c0f..4efe36fe99a 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -610,16 +610,7 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta atomic_set(&init_deasserted, 1); - /* - * Should we send STARTUP IPIs ? - * - * Determine this based on the APIC version. - * If we don't have an integrated APIC, don't send the STARTUP IPIs. - */ - if (APIC_INTEGRATED(apic_version[phys_apicid])) - num_starts = 2; - else - num_starts = 0; + num_starts = 2; /* * Run STARTUP IPI loop. |