void (*cpuid)(void /* non-c */);
void (*_set_ldt)(u32 selector);
void (*set_tr)(u32 selector);
- void (*set_kernel_stack)(u32 selector, u32 esp0);
+ void (*write_idt_entry)(struct desc_struct *, int, u32, u32);
+ void (*write_gdt_entry)(struct desc_struct *, int, u32, u32);
+ void (*write_ldt_entry)(struct desc_struct *, int, u32, u32);
+ void (*set_kernel_stack)(u32 selector, u32 sp0);
void (*allocate_page)(u32, u32, u32, u32, u32);
void (*release_page)(u32, u32);
void (*set_pte)(pte_t, pte_t *, unsigned);
insns, ip);
case PARAVIRT_PATCH(pv_cpu_ops.iret):
return patch_internal(VMI_CALL_IRET, len, insns, ip);
- case PARAVIRT_PATCH(pv_cpu_ops.irq_enable_syscall_ret):
+ case PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit):
return patch_internal(VMI_CALL_SYSEXIT, len, insns, ip);
default:
break;
static inline void vmi_maybe_load_tls(struct desc_struct *gdt, int nr, struct desc_struct *new)
{
if (gdt[nr].a != new->a || gdt[nr].b != new->b)
- write_gdt_entry(gdt, nr, new->a, new->b);
+ write_gdt_entry(gdt, nr, new, 0);
}
static void vmi_load_tls(struct thread_struct *t, unsigned int cpu)
static void vmi_set_ldt(const void *addr, unsigned entries)
{
unsigned cpu = smp_processor_id();
- u32 low, high;
+ struct desc_struct desc;
- pack_descriptor(&low, &high, (unsigned long)addr,
+ pack_descriptor(&desc, (unsigned long)addr,
entries * sizeof(struct desc_struct) - 1,
- DESCTYPE_LDT, 0);
- write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT, low, high);
+ DESC_LDT, 0);
+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT, &desc, DESC_LDT);
vmi_ops._set_ldt(entries ? GDT_ENTRY_LDT*sizeof(struct desc_struct) : 0);
}
vmi_ops.set_tr(GDT_ENTRY_TSS*sizeof(struct desc_struct));
}
-static void vmi_load_esp0(struct tss_struct *tss,
+static void vmi_write_idt_entry(gate_desc *dt, int entry, const gate_desc *g)
+{
+ u32 *idt_entry = (u32 *)g;
+ vmi_ops.write_idt_entry(dt, entry, idt_entry[0], idt_entry[1]);
+}
+
+static void vmi_write_gdt_entry(struct desc_struct *dt, int entry,
+ const void *desc, int type)
+{
+ u32 *gdt_entry = (u32 *)desc;
+ vmi_ops.write_gdt_entry(dt, entry, gdt_entry[0], gdt_entry[1]);
+}
+
+static void vmi_write_ldt_entry(struct desc_struct *dt, int entry,
+ const void *desc)
+{
+ u32 *ldt_entry = (u32 *)desc;
+ vmi_ops.write_idt_entry(dt, entry, ldt_entry[0], ldt_entry[1]);
+}
+
+static void vmi_load_sp0(struct tss_struct *tss,
struct thread_struct *thread)
{
- tss->x86_tss.esp0 = thread->esp0;
+ tss->x86_tss.sp0 = thread->sp0;
/* This can only happen when SEP is enabled, no need to test "SEP"arately */
if (unlikely(tss->x86_tss.ss1 != thread->sysenter_cs)) {
tss->x86_tss.ss1 = thread->sysenter_cs;
wrmsr(MSR_IA32_SYSENTER_CS, thread->sysenter_cs, 0);
}
- vmi_ops.set_kernel_stack(__KERNEL_DS, tss->x86_tss.esp0);
+ vmi_ops.set_kernel_stack(__KERNEL_DS, tss->x86_tss.sp0);
}
static void vmi_flush_tlb_user(void)
* pdes need to be zeroed.
*/
if (type & VMI_PAGE_CLONE)
- limit = USER_PTRS_PER_PGD;
+ limit = KERNEL_PGD_BOUNDARY;
for (i = 0; i < limit; i++)
BUG_ON(ptr[i]);
}
}
#endif
-static void vmi_allocate_pt(struct mm_struct *mm, u32 pfn)
+static void vmi_allocate_pte(struct mm_struct *mm, u32 pfn)
{
vmi_set_page_type(pfn, VMI_PAGE_L1);
vmi_ops.allocate_page(pfn, VMI_PAGE_L1, 0, 0, 0);
}
-static void vmi_allocate_pd(u32 pfn)
+static void vmi_allocate_pmd(struct mm_struct *mm, u32 pfn)
{
/*
* This call comes in very early, before mem_map is setup.
vmi_ops.allocate_page(pfn, VMI_PAGE_L2, 0, 0, 0);
}
-static void vmi_allocate_pd_clone(u32 pfn, u32 clonepfn, u32 start, u32 count)
+static void vmi_allocate_pmd_clone(u32 pfn, u32 clonepfn, u32 start, u32 count)
{
vmi_set_page_type(pfn, VMI_PAGE_L2 | VMI_PAGE_CLONE);
vmi_check_page_type(clonepfn, VMI_PAGE_L2);
vmi_ops.allocate_page(pfn, VMI_PAGE_L2 | VMI_PAGE_CLONE, clonepfn, start, count);
}
-static void vmi_release_pt(u32 pfn)
+static void vmi_release_pte(u32 pfn)
{
vmi_ops.release_page(pfn, VMI_PAGE_L1);
vmi_set_page_type(pfn, VMI_PAGE_NORMAL);
}
-static void vmi_release_pd(u32 pfn)
+static void vmi_release_pmd(u32 pfn)
{
vmi_ops.release_page(pfn, VMI_PAGE_L2);
vmi_set_page_type(pfn, VMI_PAGE_NORMAL);
static void vmi_set_pmd(pmd_t *pmdp, pmd_t pmdval)
{
#ifdef CONFIG_X86_PAE
- const pte_t pte = { pmdval.pmd, pmdval.pmd >> 32 };
+ const pte_t pte = { .pte = pmdval.pmd };
vmi_check_page_type(__pa(pmdp) >> PAGE_SHIFT, VMI_PAGE_PMD);
#else
const pte_t pte = { pmdval.pud.pgd.pgd };
static void vmi_set_pud(pud_t *pudp, pud_t pudval)
{
/* Um, eww */
- const pte_t pte = { pudval.pgd.pgd, pudval.pgd.pgd >> 32 };
+ const pte_t pte = { .pte = pudval.pgd.pgd };
vmi_check_page_type(__pa(pudp) >> PAGE_SHIFT, VMI_PAGE_PGD);
vmi_ops.set_pte(pte, (pte_t *)pudp, VMI_PAGE_PDP);
}
static void vmi_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
- const pte_t pte = { 0 };
+ const pte_t pte = { .pte = 0 };
vmi_check_page_type(__pa(ptep) >> PAGE_SHIFT, VMI_PAGE_PTE);
vmi_ops.set_pte(pte, ptep, vmi_flags_addr(mm, addr, VMI_PAGE_PT, 0));
}
static void vmi_pmd_clear(pmd_t *pmd)
{
- const pte_t pte = { 0 };
+ const pte_t pte = { .pte = 0 };
vmi_check_page_type(__pa(pmd) >> PAGE_SHIFT, VMI_PAGE_PMD);
vmi_ops.set_pte(pte, (pte_t *)pmd, VMI_PAGE_PD);
}
para_fill(pv_cpu_ops.store_idt, GetIDT);
para_fill(pv_cpu_ops.store_tr, GetTR);
pv_cpu_ops.load_tls = vmi_load_tls;
- para_fill(pv_cpu_ops.write_ldt_entry, WriteLDTEntry);
- para_fill(pv_cpu_ops.write_gdt_entry, WriteGDTEntry);
- para_fill(pv_cpu_ops.write_idt_entry, WriteIDTEntry);
- para_wrap(pv_cpu_ops.load_esp0, vmi_load_esp0, set_kernel_stack, UpdateKernelStack);
+ para_wrap(pv_cpu_ops.write_ldt_entry, vmi_write_ldt_entry,
+ write_ldt_entry, WriteLDTEntry);
+ para_wrap(pv_cpu_ops.write_gdt_entry, vmi_write_gdt_entry,
+ write_gdt_entry, WriteGDTEntry);
+ para_wrap(pv_cpu_ops.write_idt_entry, vmi_write_idt_entry,
+ write_idt_entry, WriteIDTEntry);
+ para_wrap(pv_cpu_ops.load_sp0, vmi_load_sp0, set_kernel_stack, UpdateKernelStack);
para_fill(pv_cpu_ops.set_iopl_mask, SetIOPLMask);
para_fill(pv_cpu_ops.io_delay, IODelay);
vmi_ops.allocate_page = vmi_get_function(VMI_CALL_AllocatePage);
if (vmi_ops.allocate_page) {
- pv_mmu_ops.alloc_pt = vmi_allocate_pt;
- pv_mmu_ops.alloc_pd = vmi_allocate_pd;
- pv_mmu_ops.alloc_pd_clone = vmi_allocate_pd_clone;
+ pv_mmu_ops.alloc_pte = vmi_allocate_pte;
+ pv_mmu_ops.alloc_pmd = vmi_allocate_pmd;
+ pv_mmu_ops.alloc_pmd_clone = vmi_allocate_pmd_clone;
}
vmi_ops.release_page = vmi_get_function(VMI_CALL_ReleasePage);
if (vmi_ops.release_page) {
- pv_mmu_ops.release_pt = vmi_release_pt;
- pv_mmu_ops.release_pd = vmi_release_pd;
+ pv_mmu_ops.release_pte = vmi_release_pte;
+ pv_mmu_ops.release_pmd = vmi_release_pmd;
}
/* Set linear is needed in all cases */
* the backend. They are performance critical anyway, so requiring
* a patch is not a big problem.
*/
- pv_cpu_ops.irq_enable_syscall_ret = (void *)0xfeedbab0;
+ pv_cpu_ops.irq_enable_sysexit = (void *)0xfeedbab0;
pv_cpu_ops.iret = (void *)0xbadbab0;
#ifdef CONFIG_SMP
pv_apic_ops.setup_secondary_clock = vmi_time_ap_init;
#endif
pv_time_ops.sched_clock = vmi_sched_clock;
- pv_time_ops.get_cpu_khz = vmi_cpu_khz;
+ pv_time_ops.get_tsc_khz = vmi_tsc_khz;
/* We have true wallclock functions; disable CMOS clock sync */
no_sync_cmos_clock = 1;
projects / linux-2.6 / blobdiff