Vmi smp fixes.patch
PATCH 9/9 Vmi smp fixes.patch
Critical fixes for SMP.
Fix a couple functions which needed to be __devinit and fix a bogus parameter to AP startup that just so happened to work because the low virtual mapping of memory was still established.
Signed-off-by Zachary Amsden <[email protected]>
arch/i386/kernel/vmi.c +4 -3
@@ -525,13 +525,14 @@ void vmi_pmd_clear(pmd_t *pmd)#endif #ifdef CONFIG_SMP -struct vmi_ap_state ap;extern void setup_pda (void ); -static void __init /* XXX cpu hotplug */ +static void __devinit vmi_startup_ipi_hook (int phys_apicid,unsigned long start_eip,unsigned long start_esp) { +struct vmi_ap_state ap; +/* Default everything to zero. This is fine for most GPRs. */ memset (&ap,0 ,sizeof (struct vmi_ap_state ));
@@ -570,7 +571,7 @@ vmi_startup_ipi_hook(int phys_apicid, un/* Protected mode, paging, AM, WP, NE, MP. */ ap.cr0 =0x80050023 ; ap.cr4 = mmu_cr4_features; - vmi_ops.set_initial_ap_state(__pa(&ap), phys_apicid); + vmi_ops.set_initial_ap_state((u32)&ap, phys_apicid); }#endif
arch/i386/kernel/vmitime.c +1 -1
@@ -243,7 +243,7 @@ void __init vmi_timer_setup_boot_alarm(v/* Initialize the time accounting variables for an AP on an SMP system. * Also, set the local alarm for the AP. */ -void __init vmi_timer_setup_secondary_alarm (void ) +void __devinit vmi_timer_setup_secondary_alarm (void ) {int cpu =smp_processor_id ();