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Diffstat (limited to 'arch/x86/kernel/vmi_32.c')
-rw-r--r--arch/x86/kernel/vmi_32.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 1d3302cc2dd..2cc4a90e2cb 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -321,6 +321,16 @@ static void vmi_release_pmd(unsigned long pfn)
}
/*
+ * We use the pgd_free hook for releasing the pgd page:
+ */
+static void vmi_pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+ unsigned long pfn = __pa(pgd) >> PAGE_SHIFT;
+
+ vmi_ops.release_page(pfn, VMI_PAGE_L2);
+}
+
+/*
* Helper macros for MMU update flags. We can defer updates until a flush
* or page invalidation only if the update is to the current address space
* (otherwise, there is no flush). We must check against init_mm, since
@@ -670,10 +680,11 @@ static inline int __init activate_vmi(void)
para_fill(pv_mmu_ops.write_cr2, SetCR2);
para_fill(pv_mmu_ops.write_cr3, SetCR3);
para_fill(pv_cpu_ops.write_cr4, SetCR4);
- para_fill(pv_irq_ops.save_fl, GetInterruptMask);
- para_fill(pv_irq_ops.restore_fl, SetInterruptMask);
- para_fill(pv_irq_ops.irq_disable, DisableInterrupts);
- para_fill(pv_irq_ops.irq_enable, EnableInterrupts);
+
+ para_fill(pv_irq_ops.save_fl.func, GetInterruptMask);
+ para_fill(pv_irq_ops.restore_fl.func, SetInterruptMask);
+ para_fill(pv_irq_ops.irq_disable.func, DisableInterrupts);
+ para_fill(pv_irq_ops.irq_enable.func, EnableInterrupts);
para_fill(pv_cpu_ops.wbinvd, WBINVD);
para_fill(pv_cpu_ops.read_tsc, RDTSC);
@@ -762,6 +773,7 @@ static inline int __init activate_vmi(void)
if (vmi_ops.release_page) {
pv_mmu_ops.release_pte = vmi_release_pte;
pv_mmu_ops.release_pmd = vmi_release_pmd;
+ pv_mmu_ops.pgd_free = vmi_pgd_free;
}
/* Set linear is needed in all cases */
@@ -786,8 +798,8 @@ static inline int __init activate_vmi(void)
#endif
#ifdef CONFIG_X86_LOCAL_APIC
- para_fill(apic_ops->read, APICRead);
- para_fill(apic_ops->write, APICWrite);
+ para_fill(apic->read, APICRead);
+ para_fill(apic->write, APICWrite);
#endif
/*