x86: with the last user gone, remove set_pte_present

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / vmi_32.c

diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 1d3302cc2ddf65cc5d03d72940726345e03d51c7..95deb9f2211e98decb5572e4757bc2cc48f3da18 100644 (file)
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -320,6 +320,16 @@ static void vmi_release_pmd(unsigned long pfn)
        vmi_ops.release_page(pfn, VMI_PAGE_L2);
 }
 
+/*
+ * 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
@@ -385,11 +395,6 @@ static void vmi_set_pte_atomic(pte_t *ptep, pte_t pteval)
        vmi_ops.update_pte(ptep, VMI_PAGE_PT);
 }
 
-static void vmi_set_pte_present(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte)
-{
-       vmi_ops.set_pte(pte, ptep, vmi_flags_addr_defer(mm, addr, VMI_PAGE_PT, 1));
-}
-
 static void vmi_set_pud(pud_t *pudp, pud_t pudval)
 {
        /* Um, eww */
@@ -670,10 +675,11 @@ 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);
@@ -739,7 +745,6 @@ static inline int __init activate_vmi(void)
                pv_mmu_ops.set_pmd = vmi_set_pmd;
 #ifdef CONFIG_X86_PAE
                pv_mmu_ops.set_pte_atomic = vmi_set_pte_atomic;
-               pv_mmu_ops.set_pte_present = vmi_set_pte_present;
                pv_mmu_ops.set_pud = vmi_set_pud;
                pv_mmu_ops.pte_clear = vmi_pte_clear;
                pv_mmu_ops.pmd_clear = vmi_pmd_clear;
@@ -762,6 +767,7 @@ 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 +792,8 @@ 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
 
        /*