diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r-- | arch/x86/kernel/smpboot.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 7b1093397319..0e9f446269f4 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c | |||
@@ -62,6 +62,7 @@ | |||
62 | #include <asm/mtrr.h> | 62 | #include <asm/mtrr.h> |
63 | #include <asm/vmi.h> | 63 | #include <asm/vmi.h> |
64 | #include <asm/genapic.h> | 64 | #include <asm/genapic.h> |
65 | #include <asm/setup.h> | ||
65 | #include <linux/mc146818rtc.h> | 66 | #include <linux/mc146818rtc.h> |
66 | 67 | ||
67 | #include <mach_apic.h> | 68 | #include <mach_apic.h> |
@@ -536,7 +537,7 @@ static void impress_friends(void) | |||
536 | pr_debug("Before bogocount - setting activated=1.\n"); | 537 | pr_debug("Before bogocount - setting activated=1.\n"); |
537 | } | 538 | } |
538 | 539 | ||
539 | static inline void __inquire_remote_apic(int apicid) | 540 | void __inquire_remote_apic(int apicid) |
540 | { | 541 | { |
541 | unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 }; | 542 | unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 }; |
542 | char *names[] = { "ID", "VERSION", "SPIV" }; | 543 | char *names[] = { "ID", "VERSION", "SPIV" }; |
@@ -575,14 +576,13 @@ static inline void __inquire_remote_apic(int apicid) | |||
575 | } | 576 | } |
576 | } | 577 | } |
577 | 578 | ||
578 | #ifdef WAKE_SECONDARY_VIA_NMI | ||
579 | /* | 579 | /* |
580 | * Poke the other CPU in the eye via NMI to wake it up. Remember that the normal | 580 | * Poke the other CPU in the eye via NMI to wake it up. Remember that the normal |
581 | * INIT, INIT, STARTUP sequence will reset the chip hard for us, and this | 581 | * INIT, INIT, STARTUP sequence will reset the chip hard for us, and this |
582 | * won't ... remember to clear down the APIC, etc later. | 582 | * won't ... remember to clear down the APIC, etc later. |
583 | */ | 583 | */ |
584 | static int __devinit | 584 | int __devinit |
585 | wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) | 585 | wakeup_secondary_cpu_via_nmi(int logical_apicid, unsigned long start_eip) |
586 | { | 586 | { |
587 | unsigned long send_status, accept_status = 0; | 587 | unsigned long send_status, accept_status = 0; |
588 | int maxlvt; | 588 | int maxlvt; |
@@ -599,7 +599,7 @@ wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) | |||
599 | * Give the other CPU some time to accept the IPI. | 599 | * Give the other CPU some time to accept the IPI. |
600 | */ | 600 | */ |
601 | udelay(200); | 601 | udelay(200); |
602 | if (APIC_INTEGRATED(apic_version[phys_apicid])) { | 602 | if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) { |
603 | maxlvt = lapic_get_maxlvt(); | 603 | maxlvt = lapic_get_maxlvt(); |
604 | if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ | 604 | if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */ |
605 | apic_write(APIC_ESR, 0); | 605 | apic_write(APIC_ESR, 0); |
@@ -614,11 +614,9 @@ wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip) | |||
614 | 614 | ||
615 | return (send_status | accept_status); | 615 | return (send_status | accept_status); |
616 | } | 616 | } |
617 | #endif /* WAKE_SECONDARY_VIA_NMI */ | ||
618 | 617 | ||
619 | #ifdef WAKE_SECONDARY_VIA_INIT | 618 | int __devinit |
620 | static int __devinit | 619 | wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip) |
621 | wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) | ||
622 | { | 620 | { |
623 | unsigned long send_status, accept_status = 0; | 621 | unsigned long send_status, accept_status = 0; |
624 | int maxlvt, num_starts, j; | 622 | int maxlvt, num_starts, j; |
@@ -737,7 +735,6 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) | |||
737 | 735 | ||
738 | return (send_status | accept_status); | 736 | return (send_status | accept_status); |
739 | } | 737 | } |
740 | #endif /* WAKE_SECONDARY_VIA_INIT */ | ||
741 | 738 | ||
742 | struct create_idle { | 739 | struct create_idle { |
743 | struct work_struct work; | 740 | struct work_struct work; |