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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2010-12-22 13:09:40 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2011-05-20 14:25:24 -0700 |
| commit | d5108316b894a172f891795dbad4975ab7ed7a41 (patch) | |
| tree | 9e0d33b13739db6340b2c5ff878fa8a72296b75b /arch/x86 | |
| parent | 4c13629f816b1aeff92971a40819b4c25b0622f5 (diff) | |
| download | blackbird-op-linux-d5108316b894a172f891795dbad4975ab7ed7a41.tar.gz blackbird-op-linux-d5108316b894a172f891795dbad4975ab7ed7a41.zip | |
xen: use normal virt_to_machine for ptes
We no longer support HIGHPTE allocations, so ptes should always be
within the kernel's direct map, and don't need pagetable walks
to convert to machine addresses.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/xen/mmu.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index a87b6b4caa74..1a41e9257076 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -246,7 +246,7 @@ void xen_set_domain_pte(pte_t *ptep, pte_t pteval, unsigned domid) u = mcs.args; /* ptep might be kmapped when using 32-bit HIGHPTE */ - u->ptr = arbitrary_virt_to_machine(ptep).maddr; + u->ptr = virt_to_machine(ptep).maddr; u->val = pte_val_ma(pteval); MULTI_mmu_update(mcs.mc, mcs.args, 1, NULL, domid); @@ -292,7 +292,7 @@ static void xen_set_pmd_hyper(pmd_t *ptr, pmd_t val) xen_mc_batch(); /* ptr may be ioremapped for 64-bit pagetable setup */ - u.ptr = arbitrary_virt_to_machine(ptr).maddr; + u.ptr = virt_to_machine(ptr).maddr; u.val = pmd_val_ma(val); xen_extend_mmu_update(&u); @@ -375,7 +375,7 @@ void xen_ptep_modify_prot_commit(struct mm_struct *mm, unsigned long addr, xen_mc_batch(); - u.ptr = arbitrary_virt_to_machine(ptep).maddr | MMU_PT_UPDATE_PRESERVE_AD; + u.ptr = virt_to_machine(ptep).maddr | MMU_PT_UPDATE_PRESERVE_AD; u.val = pte_val_ma(pte); xen_extend_mmu_update(&u); @@ -589,7 +589,7 @@ static void xen_set_pud_hyper(pud_t *ptr, pud_t val) xen_mc_batch(); /* ptr may be ioremapped for 64-bit pagetable setup */ - u.ptr = arbitrary_virt_to_machine(ptr).maddr; + u.ptr = virt_to_machine(ptr).maddr; u.val = pud_val_ma(val); xen_extend_mmu_update(&u); @@ -2331,7 +2331,7 @@ static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token, struct remap_data *rmd = data; pte_t pte = pte_mkspecial(pfn_pte(rmd->mfn++, rmd->prot)); - rmd->mmu_update->ptr = arbitrary_virt_to_machine(ptep).maddr; + rmd->mmu_update->ptr = virt_to_machine(ptep).maddr; rmd->mmu_update->val = pte_val_ma(pte); rmd->mmu_update++; |
