summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kernel/paravirt.c4
-rw-r--r--arch/x86/kernel/setup.c2
-rw-r--r--arch/x86/xen/enlighten.c4
-rw-r--r--include/asm-x86/pgtable.h18
-rw-r--r--include/asm-x86/pgtable_32.h15
5 files changed, 28 insertions, 15 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index e0f571d..2963ab5 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -29,6 +29,7 @@
#include <asm/desc.h>
#include <asm/setup.h>
#include <asm/arch_hooks.h>
+#include <asm/pgtable.h>
#include <asm/time.h>
#include <asm/pgalloc.h>
#include <asm/irq.h>
@@ -373,6 +374,9 @@ struct pv_mmu_ops pv_mmu_ops = {
#ifndef CONFIG_X86_64
.pagetable_setup_start = native_pagetable_setup_start,
.pagetable_setup_done = native_pagetable_setup_done,
+#else
+ .pagetable_setup_start = paravirt_nop,
+ .pagetable_setup_done = paravirt_nop,
#endif
.read_cr2 = native_read_cr2,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 36c540d..8ce6a91 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -819,7 +819,9 @@ void __init setup_arch(char **cmdline_p)
vmi_init();
#endif
+ paravirt_pagetable_setup_start(swapper_pg_dir);
paging_init();
+ paravirt_pagetable_setup_done(swapper_pg_dir);
#ifdef CONFIG_X86_64
map_vsyscall();
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index bb50845..eaab6c9 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -841,6 +841,7 @@ static __init void xen_set_pte_init(pte_t *ptep, pte_t pte)
static __init void xen_pagetable_setup_start(pgd_t *base)
{
+#ifdef CONFIG_X86_32
pgd_t *xen_pgd = (pgd_t *)xen_start_info->pt_base;
int i;
@@ -886,6 +887,7 @@ static __init void xen_pagetable_setup_start(pgd_t *base)
/* Unpin initial Xen pagetable */
pin_pagetable_pfn(MMUEXT_UNPIN_TABLE,
PFN_DOWN(__pa(xen_start_info->pt_base)));
+#endif /* CONFIG_X86_32 */
}
void xen_setup_shared_info(void)
@@ -927,9 +929,11 @@ static __init void xen_pagetable_setup_done(pgd_t *base)
xen_setup_shared_info();
+#ifdef CONFIG_X86_32
/* Actually pin the pagetable down, but we can't set PG_pinned
yet because the page structures don't exist yet. */
pin_pagetable_pfn(MMUEXT_PIN_L3_TABLE, PFN_DOWN(__pa(base)));
+#endif
}
static __init void xen_post_allocator_init(void)
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 49cbd76..96aa76e 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -302,6 +302,14 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
/* Install a pte for a particular vaddr in kernel space. */
void set_pte_vaddr(unsigned long vaddr, pte_t pte);
+#ifdef CONFIG_X86_32
+extern void native_pagetable_setup_start(pgd_t *base);
+extern void native_pagetable_setup_done(pgd_t *base);
+#else
+static inline void native_pagetable_setup_start(pgd_t *base) {}
+static inline void native_pagetable_setup_done(pgd_t *base) {}
+#endif
+
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
#else /* !CONFIG_PARAVIRT */
@@ -333,6 +341,16 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pte);
#define pte_update(mm, addr, ptep) do { } while (0)
#define pte_update_defer(mm, addr, ptep) do { } while (0)
+
+static inline void __init paravirt_pagetable_setup_start(pgd_t *base)
+{
+ native_pagetable_setup_start(base);
+}
+
+static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
+{
+ native_pagetable_setup_done(base);
+}
#endif /* CONFIG_PARAVIRT */
#endif /* __ASSEMBLY__ */
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index ec871c4..0611abf 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -171,21 +171,6 @@ do { \
*/
#define update_mmu_cache(vma, address, pte) do { } while (0)
-extern void native_pagetable_setup_start(pgd_t *base);
-extern void native_pagetable_setup_done(pgd_t *base);
-
-#ifndef CONFIG_PARAVIRT
-static inline void __init paravirt_pagetable_setup_start(pgd_t *base)
-{
- native_pagetable_setup_start(base);
-}
-
-static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
-{
- native_pagetable_setup_done(base);
-}
-#endif /* !CONFIG_PARAVIRT */
-
#endif /* !__ASSEMBLY__ */
/*
OpenPOWER on IntegriCloud