x86, paravirt: Remove alloc_pmd_clone hook, only used by VMI

VMI was the only user of the alloc_pmd_clone hook, given that VMI
is now removed we can also remove this hook.

Signed-off-by: Alok N Kataria <akataria@vmware.com>
LKML-Reference: <1282608357.19396.36.camel@ank32.eng.vmware.com>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 5653f43..edecb4e 100644 (file)
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -416,11 +416,6 @@ static inline void paravirt_alloc_pmd(struct mm_struct *mm, unsigned long pfn)
        PVOP_VCALL2(pv_mmu_ops.alloc_pmd, mm, pfn);
 }
 
-static inline void paravirt_alloc_pmd_clone(unsigned long pfn, unsigned long clonepfn,
-                                           unsigned long start, unsigned long count)
-{
-       PVOP_VCALL4(pv_mmu_ops.alloc_pmd_clone, pfn, clonepfn, start, count);
-}
 static inline void paravirt_release_pmd(unsigned long pfn)
 {
        PVOP_VCALL1(pv_mmu_ops.release_pmd, pfn);

diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index db9ef55..b82bac9 100644 (file)
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -255,7 +255,6 @@ struct pv_mmu_ops {
         */
        void (*alloc_pte)(struct mm_struct *mm, unsigned long pfn);
        void (*alloc_pmd)(struct mm_struct *mm, unsigned long pfn);
-       void (*alloc_pmd_clone)(unsigned long pfn, unsigned long clonepfn, unsigned long start, unsigned long count);
        void (*alloc_pud)(struct mm_struct *mm, unsigned long pfn);
        void (*release_pte)(unsigned long pfn);
        void (*release_pmd)(unsigned long pfn);

diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 1db183e..c5b2500 100644 (file)
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -413,7 +413,6 @@ struct pv_mmu_ops pv_mmu_ops = {
 
        .alloc_pte = paravirt_nop,
        .alloc_pmd = paravirt_nop,
-       .alloc_pmd_clone = paravirt_nop,
        .alloc_pud = paravirt_nop,
        .release_pte = paravirt_nop,
        .release_pmd = paravirt_nop,

diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 5c4ee42..a96023e 100644 (file)
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -98,10 +98,6 @@ static void pgd_ctor(pgd_t *pgd)
                clone_pgd_range(pgd + KERNEL_PGD_BOUNDARY,
                                swapper_pg_dir + KERNEL_PGD_BOUNDARY,
                                KERNEL_PGD_PTRS);
-               paravirt_alloc_pmd_clone(__pa(pgd) >> PAGE_SHIFT,
-                                        __pa(swapper_pg_dir) >> PAGE_SHIFT,
-                                        KERNEL_PGD_BOUNDARY,
-                                        KERNEL_PGD_PTRS);
        }
 
        /* list required to sync kernel mapping updates */

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 42086ac..b2363fc 100644 (file)
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1969,7 +1969,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
        .alloc_pte = xen_alloc_pte_init,
        .release_pte = xen_release_pte_init,
        .alloc_pmd = xen_alloc_pmd_init,
-       .alloc_pmd_clone = paravirt_nop,
        .release_pmd = xen_release_pmd_init,
 
 #ifdef CONFIG_X86_64