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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v4 16/16] xen: Convert page_to_mfn and mfn_to_page to use typesafe MFN
> -----Original Message----- > From: Julien Grall [mailto:julien.grall@xxxxxxx] > Sent: 21 February 2018 14:03 > To: xen-devel@xxxxxxxxxxxxx > Cc: Julien Grall <julien.grall@xxxxxxx>; Stefano Stabellini > <sstabellini@xxxxxxxxxx>; Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>; > George Dunlap <George.Dunlap@xxxxxxxxxx>; Ian Jackson > <Ian.Jackson@xxxxxxxxxx>; Jan Beulich <jbeulich@xxxxxxxx>; Konrad > Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>; Tim (Xen.org) <tim@xxxxxxx>; > Wei Liu <wei.liu2@xxxxxxxxxx>; Razvan Cojocaru > <rcojocaru@xxxxxxxxxxxxxxx>; Tamas K Lengyel <tamas@xxxxxxxxxxxxx>; > Paul Durrant <Paul.Durrant@xxxxxxxxxx>; Boris Ostrovsky > <boris.ostrovsky@xxxxxxxxxx>; Suravee Suthikulpanit > <suravee.suthikulpanit@xxxxxxx>; Jun Nakajima > <jun.nakajima@xxxxxxxxx>; Kevin Tian <kevin.tian@xxxxxxxxx>; George > Dunlap <George.Dunlap@xxxxxxxxxx>; Gang Wei <gang.wei@xxxxxxxxx>; > Shane Wang <shane.wang@xxxxxxxxx> > Subject: [PATCH v4 16/16] xen: Convert page_to_mfn and mfn_to_page to > use typesafe MFN > > Most of the users of page_to_mfn and mfn_to_page are either overriding > the macros to make them work with mfn_t or use mfn_x/_mfn because the > rest of the function use mfn_t. > > So make page_to_mfn and mfn_to_page return mfn_t by default. The __* > version are now dropped as this patch will convert all the remaining > non-typesafe callers. > > Only reasonable clean-ups are done in this patch. The rest will use > _mfn/mfn_x for the time being. > > Lastly, domain_page_to_mfn is also converted to use mfn_t given that > most of the callers are now switched to _mfn(domain_page_to_mfn(...)). > > Signed-off-by: Julien Grall <julien.grall@xxxxxxx> Reviewed-by: Paul Durrant <paul.durrant@xxxxxxxxxx> > > --- > > Andrew suggested to drop IS_VALID_PAGE in xen/tmem_xen.h. His > comment > was: > > "/sigh This is tautological. The definition of a "valid mfn" in this > case is one for which we have frametable entry, and by having a struct > page_info in our hands, this is by definition true (unless you have a > wild pointer, at which point your bug is elsewhere). > > IS_VALID_PAGE() is only ever used in assertions and never usefully, so > instead I would remove it entirely rather than trying to fix it up." > > I can remove the function in a separate patch at the begining of the > series if Konrad (TMEM maintainer) is happy with that. > > Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx> > Cc: Julien Grall <julien.grall@xxxxxxx> > Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> > Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx> > Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> > Cc: Jan Beulich <jbeulich@xxxxxxxx> > Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> > Cc: Tim Deegan <tim@xxxxxxx> > Cc: Wei Liu <wei.liu2@xxxxxxxxxx> > Cc: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx> > Cc: Tamas K Lengyel <tamas@xxxxxxxxxxxxx> > Cc: Paul Durrant <paul.durrant@xxxxxxxxxx> > Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > Cc: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx> > Cc: Jun Nakajima <jun.nakajima@xxxxxxxxx> > Cc: Kevin Tian <kevin.tian@xxxxxxxxx> > Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx> > Cc: Gang Wei <gang.wei@xxxxxxxxx> > Cc: Shane Wang <shane.wang@xxxxxxxxx> > > Changes in v4: > - Drop __page_to_mfn and __mfn_to_page. Reword the commit > title/message to reflect that. > > Changes in v3: > - Rebase on the latest staging and fix some conflicts. Tags > haven't be retained. > - Switch the printf format to PRI_mfn > > Changes in v2: > - Some part have been moved in separate patch > - Remove one spurious comment > - Convert domain_page_to_mfn to use mfn_t > --- > xen/arch/arm/domain_build.c | 2 -- > xen/arch/arm/kernel.c | 2 +- > xen/arch/arm/mem_access.c | 2 +- > xen/arch/arm/mm.c | 8 ++++---- > xen/arch/arm/p2m.c | 10 ++-------- > xen/arch/x86/cpu/vpmu.c | 4 ++-- > xen/arch/x86/domain.c | 21 +++++++++++---------- > xen/arch/x86/domain_page.c | 6 +++--- > xen/arch/x86/hvm/dm.c | 2 +- > xen/arch/x86/hvm/dom0_build.c | 6 +++--- > xen/arch/x86/hvm/emulate.c | 6 +++--- > xen/arch/x86/hvm/hvm.c | 12 ++++++------ > xen/arch/x86/hvm/ioreq.c | 4 ++-- > xen/arch/x86/hvm/stdvga.c | 2 +- > xen/arch/x86/hvm/svm/svm.c | 4 ++-- > xen/arch/x86/hvm/viridian.c | 6 +++--- > xen/arch/x86/hvm/vmx/vmcs.c | 2 +- > xen/arch/x86/hvm/vmx/vmx.c | 10 +++++----- > xen/arch/x86/hvm/vmx/vvmx.c | 6 +++--- > xen/arch/x86/mm.c | 4 ---- > xen/arch/x86/mm/guest_walk.c | 6 +++--- > xen/arch/x86/mm/hap/guest_walk.c | 2 +- > xen/arch/x86/mm/hap/hap.c | 6 ------ > xen/arch/x86/mm/hap/nested_ept.c | 2 +- > xen/arch/x86/mm/mem_sharing.c | 5 ----- > xen/arch/x86/mm/p2m-ept.c | 8 ++++---- > xen/arch/x86/mm/p2m-pod.c | 6 ------ > xen/arch/x86/mm/p2m.c | 6 ------ > xen/arch/x86/mm/paging.c | 6 ------ > xen/arch/x86/mm/shadow/private.h | 16 ++-------------- > xen/arch/x86/numa.c | 2 +- > xen/arch/x86/physdev.c | 2 +- > xen/arch/x86/pv/callback.c | 6 ------ > xen/arch/x86/pv/descriptor-tables.c | 6 ------ > xen/arch/x86/pv/dom0_build.c | 14 +++++++------- > xen/arch/x86/pv/domain.c | 6 ------ > xen/arch/x86/pv/emul-gate-op.c | 6 ------ > xen/arch/x86/pv/emul-priv-op.c | 10 ---------- > xen/arch/x86/pv/grant_table.c | 6 ------ > xen/arch/x86/pv/ro-page-fault.c | 6 ------ > xen/arch/x86/pv/shim.c | 4 +--- > xen/arch/x86/smpboot.c | 6 ------ > xen/arch/x86/tboot.c | 4 ++-- > xen/arch/x86/traps.c | 4 ++-- > xen/arch/x86/x86_64/mm.c | 6 ------ > xen/common/domain.c | 4 ++-- > xen/common/grant_table.c | 6 ------ > xen/common/kimage.c | 6 ------ > xen/common/memory.c | 6 ------ > xen/common/page_alloc.c | 6 ------ > xen/common/tmem.c | 2 +- > xen/common/tmem_xen.c | 4 ---- > xen/common/trace.c | 4 ++-- > xen/common/vmap.c | 6 +----- > xen/common/xenoprof.c | 2 -- > xen/drivers/passthrough/amd/iommu_map.c | 12 ++++++------ > xen/drivers/passthrough/iommu.c | 2 +- > xen/drivers/passthrough/x86/iommu.c | 2 +- > xen/include/asm-arm/mm.h | 20 ++++++++++---------- > xen/include/asm-arm/p2m.h | 4 ++-- > xen/include/asm-x86/mm.h | 12 ++++++------ > xen/include/asm-x86/p2m.h | 2 +- > xen/include/asm-x86/page.h | 32 +++++++++++++++----------------- > xen/include/xen/domain_page.h | 8 ++++---- > xen/include/xen/mm.h | 5 ----- > xen/include/xen/tmem_xen.h | 2 +- > 66 files changed, 132 insertions(+), 285 deletions(-) > > diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c > index 155c952349..fd6c2482de 100644 > --- a/xen/arch/arm/domain_build.c > +++ b/xen/arch/arm/domain_build.c > @@ -49,8 +49,6 @@ struct map_range_data > /* Override macros from asm/page.h to make them work with mfn_t */ > #undef virt_to_mfn > #define virt_to_mfn(va) _mfn(__virt_to_mfn(va)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > > //#define DEBUG_11_ALLOCATION > #ifdef DEBUG_11_ALLOCATION > diff --git a/xen/arch/arm/kernel.c b/xen/arch/arm/kernel.c > index 2fb0b9684d..8fdfd91543 100644 > --- a/xen/arch/arm/kernel.c > +++ b/xen/arch/arm/kernel.c > @@ -286,7 +286,7 @@ static __init int kernel_decompress(struct > bootmodule *mod) > iounmap(input); > return -ENOMEM; > } > - mfn = _mfn(page_to_mfn(pages)); > + mfn = page_to_mfn(pages); > output = __vmap(&mfn, 1 << kernel_order_out, 1, 1, PAGE_HYPERVISOR, > VMAP_DEFAULT); > > rc = perform_gunzip(output, input, size); > diff --git a/xen/arch/arm/mem_access.c b/xen/arch/arm/mem_access.c > index 0f2cbb81d3..112e291cba 100644 > --- a/xen/arch/arm/mem_access.c > +++ b/xen/arch/arm/mem_access.c > @@ -210,7 +210,7 @@ p2m_mem_access_check_and_get_page(vaddr_t > gva, unsigned long flag, > if ( t != p2m_ram_rw ) > goto err; > > - page = mfn_to_page(mfn_x(mfn)); > + page = mfn_to_page(mfn); > > if ( unlikely(!get_page(page, v->domain)) ) > page = NULL; > diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c > index db74466a16..510a5a2050 100644 > --- a/xen/arch/arm/mm.c > +++ b/xen/arch/arm/mm.c > @@ -477,7 +477,7 @@ void unmap_domain_page(const void *va) > local_irq_restore(flags); > } > > -unsigned long domain_page_map_to_mfn(const void *ptr) > +mfn_t domain_page_map_to_mfn(const void *ptr) > { > unsigned long va = (unsigned long)ptr; > lpae_t *map = this_cpu(xen_dommap); > @@ -485,12 +485,12 @@ unsigned long domain_page_map_to_mfn(const > void *ptr) > unsigned long offset = (va>>THIRD_SHIFT) & LPAE_ENTRY_MASK; > > if ( va >= VMAP_VIRT_START && va < VMAP_VIRT_END ) > - return __virt_to_mfn(va); > + return virt_to_mfn(va); > > ASSERT(slot >= 0 && slot < DOMHEAP_ENTRIES); > ASSERT(map[slot].pt.avail != 0); > > - return map[slot].pt.base + offset; > + return _mfn(map[slot].pt.base + offset); > } > #endif > > @@ -1287,7 +1287,7 @@ int xenmem_add_to_physmap_one( > return -EINVAL; > } > > - mfn = _mfn(page_to_mfn(page)); > + mfn = page_to_mfn(page); > t = p2m_map_foreign; > > rcu_unlock_domain(od); > diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c > index 65e8b9c6ea..8b16c8322d 100644 > --- a/xen/arch/arm/p2m.c > +++ b/xen/arch/arm/p2m.c > @@ -37,12 +37,6 @@ static unsigned int __read_mostly max_vmid = > MAX_VMID_8_BIT; > > #define P2M_ROOT_PAGES (1<<P2M_ROOT_ORDER) > > -/* Override macros from asm/mm.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > unsigned int __read_mostly p2m_ipa_bits; > > /* Helpers to lookup the properties of each level */ > @@ -90,8 +84,8 @@ void dump_p2m_lookup(struct domain *d, paddr_t > addr) > > printk("dom%d IPA 0x%"PRIpaddr"\n", d->domain_id, addr); > > - printk("P2M @ %p mfn:0x%lx\n", > - p2m->root, __page_to_mfn(p2m->root)); > + printk("P2M @ %p mfn:%#"PRI_mfn"\n", > + p2m->root, mfn_x(page_to_mfn(p2m->root))); > > dump_pt_walk(page_to_maddr(p2m->root), addr, > P2M_ROOT_LEVEL, P2M_ROOT_PAGES); > diff --git a/xen/arch/x86/cpu/vpmu.c b/xen/arch/x86/cpu/vpmu.c > index 7baf4614be..b978e05613 100644 > --- a/xen/arch/x86/cpu/vpmu.c > +++ b/xen/arch/x86/cpu/vpmu.c > @@ -653,7 +653,7 @@ static void pvpmu_finish(struct domain *d, > xen_pmu_params_t *params) > { > struct vcpu *v; > struct vpmu_struct *vpmu; > - uint64_t mfn; > + mfn_t mfn; > void *xenpmu_data; > > if ( (params->vcpu >= d->max_vcpus) || (d->vcpu[params->vcpu] == > NULL) ) > @@ -675,7 +675,7 @@ static void pvpmu_finish(struct domain *d, > xen_pmu_params_t *params) > if ( xenpmu_data ) > { > mfn = domain_page_map_to_mfn(xenpmu_data); > - ASSERT(mfn_valid(_mfn(mfn))); > + ASSERT(mfn_valid(mfn)); > unmap_domain_page_global(xenpmu_data); > put_page_and_type(mfn_to_page(mfn)); > } > diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c > index f93327b0a2..44ba52b7ba 100644 > --- a/xen/arch/x86/domain.c > +++ b/xen/arch/x86/domain.c > @@ -195,7 +195,7 @@ void dump_pageframe_info(struct domain *d) > } > } > printk(" DomPage %p: caf=%08lx, taf=%" PRtype_info "\n", > - _p(page_to_mfn(page)), > + _p(mfn_x(page_to_mfn(page))), > page->count_info, page->u.inuse.type_info); > } > spin_unlock(&d->page_alloc_lock); > @@ -208,7 +208,7 @@ void dump_pageframe_info(struct domain *d) > page_list_for_each ( page, &d->xenpage_list ) > { > printk(" XenPage %p: caf=%08lx, taf=%" PRtype_info "\n", > - _p(page_to_mfn(page)), > + _p(mfn_x(page_to_mfn(page))), > page->count_info, page->u.inuse.type_info); > } > spin_unlock(&d->page_alloc_lock); > @@ -635,7 +635,8 @@ int arch_domain_soft_reset(struct domain *d) > struct page_info *page = virt_to_page(d->shared_info), *new_page; > int ret = 0; > struct domain *owner; > - unsigned long mfn, gfn; > + mfn_t mfn; > + unsigned long gfn; > p2m_type_t p2mt; > unsigned int i; > > @@ -669,7 +670,7 @@ int arch_domain_soft_reset(struct domain *d) > ASSERT( owner == d ); > > mfn = page_to_mfn(page); > - gfn = mfn_to_gmfn(d, mfn); > + gfn = mfn_to_gmfn(d, mfn_x(mfn)); > > /* > * gfn == INVALID_GFN indicates that the shared_info page was never > mapped > @@ -678,7 +679,7 @@ int arch_domain_soft_reset(struct domain *d) > if ( gfn == gfn_x(INVALID_GFN) ) > goto exit_put_page; > > - if ( mfn_x(get_gfn_query(d, gfn, &p2mt)) != mfn ) > + if ( !mfn_eq(get_gfn_query(d, gfn, &p2mt), mfn) ) > { > printk(XENLOG_G_ERR "Failed to get Dom%d's shared_info GFN > (%lx)\n", > d->domain_id, gfn); > @@ -695,7 +696,7 @@ int arch_domain_soft_reset(struct domain *d) > goto exit_put_gfn; > } > > - ret = guest_physmap_remove_page(d, _gfn(gfn), _mfn(mfn), > PAGE_ORDER_4K); > + ret = guest_physmap_remove_page(d, _gfn(gfn), mfn, > PAGE_ORDER_4K); > if ( ret ) > { > printk(XENLOG_G_ERR "Failed to remove Dom%d's shared_info frame > %lx\n", > @@ -704,7 +705,7 @@ int arch_domain_soft_reset(struct domain *d) > goto exit_put_gfn; > } > > - ret = guest_physmap_add_page(d, _gfn(gfn), > _mfn(page_to_mfn(new_page)), > + ret = guest_physmap_add_page(d, _gfn(gfn), page_to_mfn(new_page), > PAGE_ORDER_4K); > if ( ret ) > { > @@ -1002,7 +1003,7 @@ int arch_set_info_guest( > { > if ( (page->u.inuse.type_info & PGT_type_mask) == > PGT_l4_page_table ) > - done = !fill_ro_mpt(_mfn(page_to_mfn(page))); > + done = !fill_ro_mpt(page_to_mfn(page)); > > page_unlock(page); > } > @@ -1131,7 +1132,7 @@ int arch_set_info_guest( > l4_pgentry_t *l4tab; > > l4tab = map_domain_page(pagetable_get_mfn(v->arch.guest_table)); > - *l4tab = l4e_from_pfn(page_to_mfn(cr3_page), > + *l4tab = l4e_from_mfn(page_to_mfn(cr3_page), > _PAGE_PRESENT|_PAGE_RW|_PAGE_USER|_PAGE_ACCESSED); > unmap_domain_page(l4tab); > } > @@ -1997,7 +1998,7 @@ int domain_relinquish_resources(struct domain *d) > if ( d->arch.pirq_eoi_map != NULL ) > { > unmap_domain_page_global(d->arch.pirq_eoi_map); > - put_page_and_type(mfn_to_page(d->arch.pirq_eoi_map_mfn)); > + put_page_and_type(mfn_to_page(_mfn(d- > >arch.pirq_eoi_map_mfn))); > d->arch.pirq_eoi_map = NULL; > d->arch.auto_unmask = 0; > } > diff --git a/xen/arch/x86/domain_page.c b/xen/arch/x86/domain_page.c > index 3432a854dd..88046b39c9 100644 > --- a/xen/arch/x86/domain_page.c > +++ b/xen/arch/x86/domain_page.c > @@ -331,13 +331,13 @@ void unmap_domain_page_global(const void *ptr) > } > > /* Translate a map-domain-page'd address to the underlying MFN */ > -unsigned long domain_page_map_to_mfn(const void *ptr) > +mfn_t domain_page_map_to_mfn(const void *ptr) > { > unsigned long va = (unsigned long)ptr; > const l1_pgentry_t *pl1e; > > if ( va >= DIRECTMAP_VIRT_START ) > - return virt_to_mfn(ptr); > + return _mfn(virt_to_mfn(ptr)); > > if ( va >= VMAP_VIRT_START && va < VMAP_VIRT_END ) > { > @@ -350,5 +350,5 @@ unsigned long domain_page_map_to_mfn(const void > *ptr) > pl1e = &__linear_l1_table[l1_linear_offset(va)]; > } > > - return l1e_get_pfn(*pl1e); > + return l1e_get_mfn(*pl1e); > } > diff --git a/xen/arch/x86/hvm/dm.c b/xen/arch/x86/hvm/dm.c > index 7788577a73..cf1e600998 100644 > --- a/xen/arch/x86/hvm/dm.c > +++ b/xen/arch/x86/hvm/dm.c > @@ -193,7 +193,7 @@ static int modified_memory(struct domain *d, > * These are most probably not page tables any more > * don't take a long time and don't die either. > */ > - sh_remove_shadows(d, _mfn(page_to_mfn(page)), 1, 0); > + sh_remove_shadows(d, page_to_mfn(page), 1, 0); > put_page(page); > } > } > diff --git a/xen/arch/x86/hvm/dom0_build.c > b/xen/arch/x86/hvm/dom0_build.c > index afebaec70b..717ffff584 100644 > --- a/xen/arch/x86/hvm/dom0_build.c > +++ b/xen/arch/x86/hvm/dom0_build.c > @@ -119,7 +119,7 @@ static int __init pvh_populate_memory_range(struct > domain *d, > continue; > } > > - rc = guest_physmap_add_page(d, _gfn(start), > _mfn(page_to_mfn(page)), > + rc = guest_physmap_add_page(d, _gfn(start), page_to_mfn(page), > order); > if ( rc != 0 ) > { > @@ -269,7 +269,7 @@ static int __init > pvh_setup_vmx_realmode_helpers(struct domain *d) > } > write_32bit_pse_identmap(ident_pt); > unmap_domain_page(ident_pt); > - put_page(mfn_to_page(mfn_x(mfn))); > + put_page(mfn_to_page(mfn)); > d->arch.hvm_domain.params[HVM_PARAM_IDENT_PT] = gaddr; > if ( pvh_add_mem_range(d, gaddr, gaddr + PAGE_SIZE, E820_RESERVED) ) > printk("Unable to set identity page tables as reserved in the > memory > map\n"); > @@ -287,7 +287,7 @@ static void __init pvh_steal_low_ram(struct domain > *d, unsigned long start, > > for ( mfn = start; mfn < start + nr_pages; mfn++ ) > { > - struct page_info *pg = mfn_to_page(mfn); > + struct page_info *pg = mfn_to_page(_mfn(mfn)); > int rc; > > rc = unshare_xen_page_with_guest(pg, dom_io); > diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c > index 3b824553ab..fdd7177303 100644 > --- a/xen/arch/x86/hvm/emulate.c > +++ b/xen/arch/x86/hvm/emulate.c > @@ -591,7 +591,7 @@ static void *hvmemul_map_linear_addr( > goto unhandleable; > } > > - *mfn++ = _mfn(page_to_mfn(page)); > + *mfn++ = page_to_mfn(page); > > if ( p2m_is_discard_write(p2mt) ) > { > @@ -623,7 +623,7 @@ static void *hvmemul_map_linear_addr( > out: > /* Drop all held references. */ > while ( mfn-- > hvmemul_ctxt->mfn ) > - put_page(mfn_to_page(mfn_x(*mfn))); > + put_page(mfn_to_page(*mfn)); > > return err; > } > @@ -649,7 +649,7 @@ static void hvmemul_unmap_linear_addr( > { > ASSERT(mfn_valid(*mfn)); > paging_mark_dirty(currd, *mfn); > - put_page(mfn_to_page(mfn_x(*mfn))); > + put_page(mfn_to_page(*mfn)); > > *mfn++ = _mfn(0); /* Clean slot for map()'s error checking. */ > } > diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c > index 91bc3e8b27..74de968315 100644 > --- a/xen/arch/x86/hvm/hvm.c > +++ b/xen/arch/x86/hvm/hvm.c > @@ -2247,7 +2247,7 @@ int hvm_set_cr0(unsigned long value, bool_t > may_defer) > v->arch.guest_table = pagetable_from_page(page); > > HVM_DBG_LOG(DBG_LEVEL_VMMU, "Update CR3 value = %lx, mfn = > %lx", > - v->arch.hvm_vcpu.guest_cr[3], page_to_mfn(page)); > + v->arch.hvm_vcpu.guest_cr[3], > mfn_x(page_to_mfn(page))); > } > } > else if ( !(value & X86_CR0_PG) && (old_value & X86_CR0_PG) ) > @@ -2624,7 +2624,7 @@ void *hvm_map_guest_frame_ro(unsigned long > gfn, bool_t permanent) > > void hvm_unmap_guest_frame(void *p, bool_t permanent) > { > - unsigned long mfn; > + mfn_t mfn; > struct page_info *page; > > if ( !p ) > @@ -2645,7 +2645,7 @@ void hvm_unmap_guest_frame(void *p, bool_t > permanent) > list_for_each_entry(track, &d->arch.hvm_domain.write_map.list, list) > if ( track->page == page ) > { > - paging_mark_dirty(d, _mfn(mfn)); > + paging_mark_dirty(d, mfn); > list_del(&track->list); > xfree(track); > break; > @@ -2662,7 +2662,7 @@ void > hvm_mapped_guest_frames_mark_dirty(struct domain *d) > > spin_lock(&d->arch.hvm_domain.write_map.lock); > list_for_each_entry(track, &d->arch.hvm_domain.write_map.list, list) > - paging_mark_dirty(d, _mfn(page_to_mfn(track->page))); > + paging_mark_dirty(d, page_to_mfn(track->page)); > spin_unlock(&d->arch.hvm_domain.write_map.lock); > } > > @@ -3236,8 +3236,8 @@ static enum hvm_translation_result __hvm_copy( > > if ( xchg(&lastpage, gfn_x(gfn)) != gfn_x(gfn) ) > dprintk(XENLOG_G_DEBUG, > - "%pv attempted write to read-only gfn %#lx > (mfn=%#lx)\n", > - v, gfn_x(gfn), page_to_mfn(page)); > + "%pv attempted write to read-only gfn %#lx > (mfn=%#"PRI_mfn")\n", > + v, gfn_x(gfn), mfn_x(page_to_mfn(page))); > } > else > { > diff --git a/xen/arch/x86/hvm/ioreq.c b/xen/arch/x86/hvm/ioreq.c > index 7e66965bcd..a1c2218fdc 100644 > --- a/xen/arch/x86/hvm/ioreq.c > +++ b/xen/arch/x86/hvm/ioreq.c > @@ -268,7 +268,7 @@ static void hvm_remove_ioreq_gfn( > struct domain *d, struct hvm_ioreq_page *iorp) > { > if ( guest_physmap_remove_page(d, _gfn(iorp->gfn), > - _mfn(page_to_mfn(iorp->page)), 0) ) > + page_to_mfn(iorp->page), 0) ) > domain_crash(d); > clear_page(iorp->va); > } > @@ -281,7 +281,7 @@ static int hvm_add_ioreq_gfn( > clear_page(iorp->va); > > rc = guest_physmap_add_page(d, _gfn(iorp->gfn), > - _mfn(page_to_mfn(iorp->page)), 0); > + page_to_mfn(iorp->page), 0); > if ( rc == 0 ) > paging_mark_pfn_dirty(d, _pfn(iorp->gfn)); > > diff --git a/xen/arch/x86/hvm/stdvga.c b/xen/arch/x86/hvm/stdvga.c > index 088fbdf8ce..925bab2438 100644 > --- a/xen/arch/x86/hvm/stdvga.c > +++ b/xen/arch/x86/hvm/stdvga.c > @@ -590,7 +590,7 @@ void stdvga_init(struct domain *d) > if ( pg == NULL ) > break; > s->vram_page[i] = pg; > - clear_domain_page(_mfn(page_to_mfn(pg))); > + clear_domain_page(page_to_mfn(pg)); > } > > if ( i == ARRAY_SIZE(s->vram_page) ) > diff --git a/xen/arch/x86/hvm/svm/svm.c b/xen/arch/x86/hvm/svm/svm.c > index 9f58afc2d8..30e951039e 100644 > --- a/xen/arch/x86/hvm/svm/svm.c > +++ b/xen/arch/x86/hvm/svm/svm.c > @@ -1543,7 +1543,7 @@ static int svm_cpu_up_prepare(unsigned int cpu) > if ( !pg ) > goto err; > > - clear_domain_page(_mfn(page_to_mfn(pg))); > + clear_domain_page(page_to_mfn(pg)); > *this_hsa = page_to_maddr(pg); > } > > @@ -1553,7 +1553,7 @@ static int svm_cpu_up_prepare(unsigned int cpu) > if ( !pg ) > goto err; > > - clear_domain_page(_mfn(page_to_mfn(pg))); > + clear_domain_page(page_to_mfn(pg)); > *this_vmcb = page_to_maddr(pg); > } > > diff --git a/xen/arch/x86/hvm/viridian.c b/xen/arch/x86/hvm/viridian.c > index 70aab520bc..d6aa89d0b7 100644 > --- a/xen/arch/x86/hvm/viridian.c > +++ b/xen/arch/x86/hvm/viridian.c > @@ -354,7 +354,7 @@ static void enable_hypercall_page(struct domain *d) > if ( page ) > put_page(page); > gdprintk(XENLOG_WARNING, "Bad GMFN %#"PRI_gfn" (MFN > %#"PRI_mfn")\n", > - gmfn, page ? page_to_mfn(page) : mfn_x(INVALID_MFN)); > + gmfn, mfn_x(page ? page_to_mfn(page) : INVALID_MFN)); > return; > } > > @@ -414,7 +414,7 @@ static void initialize_vp_assist(struct vcpu *v) > > fail: > gdprintk(XENLOG_WARNING, "Bad GMFN %#"PRI_gfn" (MFN > %#"PRI_mfn")\n", gmfn, > - page ? page_to_mfn(page) : mfn_x(INVALID_MFN)); > + mfn_x(page ? page_to_mfn(page) : INVALID_MFN)); > } > > static void teardown_vp_assist(struct vcpu *v) > @@ -492,7 +492,7 @@ static void update_reference_tsc(struct domain *d, > bool_t initialize) > if ( page ) > put_page(page); > gdprintk(XENLOG_WARNING, "Bad GMFN %#"PRI_gfn" (MFN > %#"PRI_mfn")\n", > - gmfn, page ? page_to_mfn(page) : mfn_x(INVALID_MFN)); > + gmfn, mfn_x(page ? page_to_mfn(page) : INVALID_MFN)); > return; > } > > diff --git a/xen/arch/x86/hvm/vmx/vmcs.c b/xen/arch/x86/hvm/vmx/vmcs.c > index e7818caed0..a5a160746a 100644 > --- a/xen/arch/x86/hvm/vmx/vmcs.c > +++ b/xen/arch/x86/hvm/vmx/vmcs.c > @@ -1433,7 +1433,7 @@ int vmx_vcpu_enable_pml(struct vcpu *v) > > vmx_vmcs_enter(v); > > - __vmwrite(PML_ADDRESS, page_to_mfn(v->arch.hvm_vmx.pml_pg) << > PAGE_SHIFT); > + __vmwrite(PML_ADDRESS, page_to_maddr(v->arch.hvm_vmx.pml_pg)); > __vmwrite(GUEST_PML_INDEX, NR_PML_ENTRIES - 1); > > v->arch.hvm_vmx.secondary_exec_control |= > SECONDARY_EXEC_ENABLE_PML; > diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c > index 5cd689e823..cf7f7e1bb7 100644 > --- a/xen/arch/x86/hvm/vmx/vmx.c > +++ b/xen/arch/x86/hvm/vmx/vmx.c > @@ -2968,7 +2968,7 @@ gp_fault: > static int vmx_alloc_vlapic_mapping(struct domain *d) > { > struct page_info *pg; > - unsigned long mfn; > + mfn_t mfn; > > if ( !cpu_has_vmx_virtualize_apic_accesses ) > return 0; > @@ -2977,10 +2977,10 @@ static int vmx_alloc_vlapic_mapping(struct > domain *d) > if ( !pg ) > return -ENOMEM; > mfn = page_to_mfn(pg); > - clear_domain_page(_mfn(mfn)); > + clear_domain_page(mfn); > share_xen_page_with_guest(pg, d, XENSHARE_writable); > - d->arch.hvm_domain.vmx.apic_access_mfn = mfn; > - set_mmio_p2m_entry(d, paddr_to_pfn(APIC_DEFAULT_PHYS_BASE), > _mfn(mfn), > + d->arch.hvm_domain.vmx.apic_access_mfn = mfn_x(mfn); > + set_mmio_p2m_entry(d, paddr_to_pfn(APIC_DEFAULT_PHYS_BASE), > mfn, > PAGE_ORDER_4K, p2m_get_hostp2m(d)->default_access); > > return 0; > @@ -2991,7 +2991,7 @@ static void vmx_free_vlapic_mapping(struct > domain *d) > unsigned long mfn = d->arch.hvm_domain.vmx.apic_access_mfn; > > if ( mfn != 0 ) > - free_shared_domheap_page(mfn_to_page(mfn)); > + free_shared_domheap_page(mfn_to_page(_mfn(mfn))); > } > > static void vmx_install_vlapic_mapping(struct vcpu *v) > diff --git a/xen/arch/x86/hvm/vmx/vvmx.c > b/xen/arch/x86/hvm/vmx/vvmx.c > index dfe97b9705..db92ae6660 100644 > --- a/xen/arch/x86/hvm/vmx/vvmx.c > +++ b/xen/arch/x86/hvm/vmx/vvmx.c > @@ -84,7 +84,7 @@ int nvmx_vcpu_initialise(struct vcpu *v) > } > v->arch.hvm_vmx.vmread_bitmap = vmread_bitmap; > > - clear_domain_page(_mfn(page_to_mfn(vmread_bitmap))); > + clear_domain_page(page_to_mfn(vmread_bitmap)); > > vmwrite_bitmap = alloc_domheap_page(NULL, 0); > if ( !vmwrite_bitmap ) > @@ -1726,7 +1726,7 @@ int nvmx_handle_vmptrld(struct cpu_user_regs > *regs) > nvcpu->nv_vvmcx = vvmcx; > nvcpu->nv_vvmcxaddr = gpa; > v->arch.hvm_vmx.vmcs_shadow_maddr = > - pfn_to_paddr(domain_page_map_to_mfn(vvmcx)); > + mfn_to_maddr(domain_page_map_to_mfn(vvmcx)); > } > else > { > @@ -1812,7 +1812,7 @@ int nvmx_handle_vmclear(struct cpu_user_regs > *regs) > { > if ( writable ) > clear_vvmcs_launched(&nvmx->launched_list, > - domain_page_map_to_mfn(vvmcs)); > + mfn_x(domain_page_map_to_mfn(vvmcs))); > else > rc = VMFAIL_VALID; > hvm_unmap_guest_frame(vvmcs, 0); > diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c > index d33b6bfa9d..eeaf03eb49 100644 > --- a/xen/arch/x86/mm.c > +++ b/xen/arch/x86/mm.c > @@ -131,10 +131,6 @@ > #include "pv/mm.h" > > /* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > #undef virt_to_mfn > #define virt_to_mfn(v) _mfn(__virt_to_mfn(v)) > > diff --git a/xen/arch/x86/mm/guest_walk.c > b/xen/arch/x86/mm/guest_walk.c > index 6055fec1ad..f67aeda3d0 100644 > --- a/xen/arch/x86/mm/guest_walk.c > +++ b/xen/arch/x86/mm/guest_walk.c > @@ -469,20 +469,20 @@ guest_walk_tables(struct vcpu *v, struct > p2m_domain *p2m, > if ( l3p ) > { > unmap_domain_page(l3p); > - put_page(mfn_to_page(mfn_x(gw->l3mfn))); > + put_page(mfn_to_page(gw->l3mfn)); > } > #endif > #if GUEST_PAGING_LEVELS >= 3 > if ( l2p ) > { > unmap_domain_page(l2p); > - put_page(mfn_to_page(mfn_x(gw->l2mfn))); > + put_page(mfn_to_page(gw->l2mfn)); > } > #endif > if ( l1p ) > { > unmap_domain_page(l1p); > - put_page(mfn_to_page(mfn_x(gw->l1mfn))); > + put_page(mfn_to_page(gw->l1mfn)); > } > > return walk_ok; > diff --git a/xen/arch/x86/mm/hap/guest_walk.c > b/xen/arch/x86/mm/hap/guest_walk.c > index c550017ba4..cb3f9cebe7 100644 > --- a/xen/arch/x86/mm/hap/guest_walk.c > +++ b/xen/arch/x86/mm/hap/guest_walk.c > @@ -83,7 +83,7 @@ unsigned long > hap_p2m_ga_to_gfn(GUEST_PAGING_LEVELS)( > *pfec &= ~PFEC_page_present; > goto out_tweak_pfec; > } > - top_mfn = _mfn(page_to_mfn(top_page)); > + top_mfn = page_to_mfn(top_page); > > /* Map the top-level table and call the tree-walker */ > ASSERT(mfn_valid(top_mfn)); > diff --git a/xen/arch/x86/mm/hap/hap.c b/xen/arch/x86/mm/hap/hap.c > index 003c2d8896..370a490aad 100644 > --- a/xen/arch/x86/mm/hap/hap.c > +++ b/xen/arch/x86/mm/hap/hap.c > @@ -42,12 +42,6 @@ > > #include "private.h" > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(_m) __mfn_to_page(mfn_x(_m)) > -#undef page_to_mfn > -#define page_to_mfn(_pg) _mfn(__page_to_mfn(_pg)) > - > /************************************************/ > /* HAP VRAM TRACKING SUPPORT */ > /************************************************/ > diff --git a/xen/arch/x86/mm/hap/nested_ept.c > b/xen/arch/x86/mm/hap/nested_ept.c > index 14b1bb01e9..1738df69f6 100644 > --- a/xen/arch/x86/mm/hap/nested_ept.c > +++ b/xen/arch/x86/mm/hap/nested_ept.c > @@ -173,7 +173,7 @@ nept_walk_tables(struct vcpu *v, unsigned long l2ga, > ept_walk_t *gw) > goto map_err; > gw->lxe[lvl] = lxp[ept_lvl_table_offset(l2ga, lvl)]; > unmap_domain_page(lxp); > - put_page(mfn_to_page(mfn_x(lxmfn))); > + put_page(mfn_to_page(lxmfn)); > > if ( nept_non_present_check(gw->lxe[lvl]) ) > goto non_present; > diff --git a/xen/arch/x86/mm/mem_sharing.c > b/xen/arch/x86/mm/mem_sharing.c > index 57f54c55c8..fad8a9df13 100644 > --- a/xen/arch/x86/mm/mem_sharing.c > +++ b/xen/arch/x86/mm/mem_sharing.c > @@ -152,11 +152,6 @@ static inline shr_handle_t get_next_handle(void) > #define mem_sharing_enabled(d) \ > (is_hvm_domain(d) && (d)->arch.hvm_domain.mem_sharing_enabled) > > -#undef mfn_to_page > -#define mfn_to_page(_m) __mfn_to_page(mfn_x(_m)) > -#undef page_to_mfn > -#define page_to_mfn(_pg) _mfn(__page_to_mfn(_pg)) > - > static atomic_t nr_saved_mfns = ATOMIC_INIT(0); > static atomic_t nr_shared_mfns = ATOMIC_INIT(0); > > diff --git a/xen/arch/x86/mm/p2m-ept.c b/xen/arch/x86/mm/p2m-ept.c > index 66dbb3e83a..14b593923b 100644 > --- a/xen/arch/x86/mm/p2m-ept.c > +++ b/xen/arch/x86/mm/p2m-ept.c > @@ -74,13 +74,13 @@ static int atomic_write_ept_entry(ept_entry_t > *entryptr, ept_entry_t new, > goto out; > > rc = -ESRCH; > - fdom = page_get_owner(mfn_to_page(new.mfn)); > + fdom = page_get_owner(mfn_to_page(_mfn(new.mfn))); > if ( fdom == NULL ) > goto out; > > /* get refcount on the page */ > rc = -EBUSY; > - if ( !get_page(mfn_to_page(new.mfn), fdom) ) > + if ( !get_page(mfn_to_page(_mfn(new.mfn)), fdom) ) > goto out; > } > } > @@ -91,7 +91,7 @@ static int atomic_write_ept_entry(ept_entry_t > *entryptr, ept_entry_t new, > write_atomic(&entryptr->epte, new.epte); > > if ( unlikely(oldmfn != mfn_x(INVALID_MFN)) ) > - put_page(mfn_to_page(oldmfn)); > + put_page(mfn_to_page(_mfn(oldmfn))); > > rc = 0; > > @@ -270,7 +270,7 @@ static void ept_free_entry(struct p2m_domain *p2m, > ept_entry_t *ept_entry, int l > } > > p2m_tlb_flush_sync(p2m); > - p2m_free_ptp(p2m, mfn_to_page(ept_entry->mfn)); > + p2m_free_ptp(p2m, mfn_to_page(_mfn(ept_entry->mfn))); > } > > static bool_t ept_split_super_page(struct p2m_domain *p2m, > diff --git a/xen/arch/x86/mm/p2m-pod.c b/xen/arch/x86/mm/p2m-pod.c > index fa13e07f7c..631e9aec33 100644 > --- a/xen/arch/x86/mm/p2m-pod.c > +++ b/xen/arch/x86/mm/p2m-pod.c > @@ -29,12 +29,6 @@ > > #include "mm-locks.h" > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(_m) __mfn_to_page(mfn_x(_m)) > -#undef page_to_mfn > -#define page_to_mfn(_pg) _mfn(__page_to_mfn(_pg)) > - > #define superpage_aligned(_x) (((_x)&(SUPERPAGE_PAGES-1))==0) > > /* Enforce lock ordering when grabbing the "external" page_alloc lock */ > diff --git a/xen/arch/x86/mm/p2m.c b/xen/arch/x86/mm/p2m.c > index 48e50fb5d8..9ce0a5c9e1 100644 > --- a/xen/arch/x86/mm/p2m.c > +++ b/xen/arch/x86/mm/p2m.c > @@ -47,12 +47,6 @@ bool_t __initdata opt_hap_1gb = 1, __initdata > opt_hap_2mb = 1; > boolean_param("hap_1gb", opt_hap_1gb); > boolean_param("hap_2mb", opt_hap_2mb); > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(_m) __mfn_to_page(mfn_x(_m)) > -#undef page_to_mfn > -#define page_to_mfn(_pg) _mfn(__page_to_mfn(_pg)) > - > DEFINE_PERCPU_RWLOCK_GLOBAL(p2m_percpu_rwlock); > > /* Init the datastructures for later use by the p2m code */ > diff --git a/xen/arch/x86/mm/paging.c b/xen/arch/x86/mm/paging.c > index 8a658b9118..2b0445ffe9 100644 > --- a/xen/arch/x86/mm/paging.c > +++ b/xen/arch/x86/mm/paging.c > @@ -47,12 +47,6 @@ > /* Per-CPU variable for enforcing the lock ordering */ > DEFINE_PER_CPU(int, mm_lock_level); > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(_m) __mfn_to_page(mfn_x(_m)) > -#undef page_to_mfn > -#define page_to_mfn(_pg) _mfn(__page_to_mfn(_pg)) > - > /************************************************/ > /* LOG DIRTY SUPPORT */ > /************************************************/ > diff --git a/xen/arch/x86/mm/shadow/private.h > b/xen/arch/x86/mm/shadow/private.h > index 845541fe8a..ea0ad28c05 100644 > --- a/xen/arch/x86/mm/shadow/private.h > +++ b/xen/arch/x86/mm/shadow/private.h > @@ -315,7 +315,7 @@ static inline int page_is_out_of_sync(struct page_info > *p) > > static inline int mfn_is_out_of_sync(mfn_t gmfn) > { > - return page_is_out_of_sync(mfn_to_page(mfn_x(gmfn))); > + return page_is_out_of_sync(mfn_to_page(gmfn)); > } > > static inline int page_oos_may_write(struct page_info *p) > @@ -326,7 +326,7 @@ static inline int page_oos_may_write(struct page_info > *p) > > static inline int mfn_oos_may_write(mfn_t gmfn) > { > - return page_oos_may_write(mfn_to_page(mfn_x(gmfn))); > + return page_oos_may_write(mfn_to_page(gmfn)); > } > #endif /* (SHADOW_OPTIMIZATIONS & SHOPT_OUT_OF_SYNC) */ > > @@ -465,18 +465,6 @@ void sh_reset_l3_up_pointers(struct vcpu *v); > * MFN/page-info handling > */ > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(_m) __mfn_to_page(mfn_x(_m)) > -#undef page_to_mfn > -#define page_to_mfn(_pg) _mfn(__page_to_mfn(_pg)) > - > -/* Override pagetable_t <-> struct page_info conversions to work with > mfn_t */ > -#undef pagetable_get_page > -#define pagetable_get_page(x) mfn_to_page(pagetable_get_mfn(x)) > -#undef pagetable_from_page > -#define pagetable_from_page(pg) > pagetable_from_mfn(page_to_mfn(pg)) > - > #define backpointer(sp) _mfn(pdx_to_pfn((unsigned long)(sp)->v.sh.back)) > static inline unsigned long __backpointer(const struct page_info *sp) > { > diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c > index 4fc967f893..a87987da6f 100644 > --- a/xen/arch/x86/numa.c > +++ b/xen/arch/x86/numa.c > @@ -430,7 +430,7 @@ static void dump_numa(unsigned char key) > spin_lock(&d->page_alloc_lock); > page_list_for_each(page, &d->page_list) > { > - i = phys_to_nid((paddr_t)page_to_mfn(page) << PAGE_SHIFT); > + i = phys_to_nid(page_to_maddr(page)); > page_num_node[i]++; > } > spin_unlock(&d->page_alloc_lock); > diff --git a/xen/arch/x86/physdev.c b/xen/arch/x86/physdev.c > index 380d36f6b9..7bfa0f23f0 100644 > --- a/xen/arch/x86/physdev.c > +++ b/xen/arch/x86/physdev.c > @@ -239,7 +239,7 @@ ret_t do_physdev_op(int cmd, > XEN_GUEST_HANDLE_PARAM(void) arg) > } > > if ( cmpxchg(&currd->arch.pirq_eoi_map_mfn, > - 0, page_to_mfn(page)) != 0 ) > + 0, mfn_x(page_to_mfn(page))) != 0 ) > { > put_page_and_type(page); > ret = -EBUSY; > diff --git a/xen/arch/x86/pv/callback.c b/xen/arch/x86/pv/callback.c > index 97d8438600..5957cb5085 100644 > --- a/xen/arch/x86/pv/callback.c > +++ b/xen/arch/x86/pv/callback.c > @@ -31,12 +31,6 @@ > > #include <public/callback.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > static int register_guest_nmi_callback(unsigned long address) > { > struct vcpu *curr = current; > diff --git a/xen/arch/x86/pv/descriptor-tables.c > b/xen/arch/x86/pv/descriptor-tables.c > index b418bbb581..71bf92713e 100644 > --- a/xen/arch/x86/pv/descriptor-tables.c > +++ b/xen/arch/x86/pv/descriptor-tables.c > @@ -25,12 +25,6 @@ > #include <asm/p2m.h> > #include <asm/pv/mm.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > /* > * Flush the LDT, dropping any typerefs. Returns a boolean indicating > whether > * mappings have been removed (i.e. a TLB flush is needed). > diff --git a/xen/arch/x86/pv/dom0_build.c b/xen/arch/x86/pv/dom0_build.c > index 0bd2f1bf90..5b4325b87f 100644 > --- a/xen/arch/x86/pv/dom0_build.c > +++ b/xen/arch/x86/pv/dom0_build.c > @@ -64,7 +64,7 @@ static __init void mark_pv_pt_pages_rdonly(struct > domain *d, > for ( count = 0; count < nr_pt_pages; count++ ) > { > l1e_remove_flags(*pl1e, _PAGE_RW); > - page = mfn_to_page(l1e_get_pfn(*pl1e)); > + page = mfn_to_page(l1e_get_mfn(*pl1e)); > > /* Read-only mapping + PGC_allocated + page-table page. */ > page->count_info = PGC_allocated | 3; > @@ -496,7 +496,7 @@ int __init dom0_construct_pv(struct domain *d, > page = alloc_domheap_pages(d, order, 0); > if ( page == NULL ) > panic("Not enough RAM for domain 0 allocation"); > - alloc_spfn = page_to_mfn(page); > + alloc_spfn = mfn_x(page_to_mfn(page)); > alloc_epfn = alloc_spfn + d->tot_pages; > > if ( initrd_len ) > @@ -524,12 +524,12 @@ int __init dom0_construct_pv(struct domain *d, > mpt_alloc = (paddr_t)initrd->mod_start << PAGE_SHIFT; > init_domheap_pages(mpt_alloc, > mpt_alloc + PAGE_ALIGN(initrd_len)); > - initrd->mod_start = initrd_mfn = page_to_mfn(page); > + initrd->mod_start = initrd_mfn = mfn_x(page_to_mfn(page)); > } > else > { > while ( count-- ) > - if ( assign_pages(d, mfn_to_page(mfn++), 0, 0) ) > + if ( assign_pages(d, mfn_to_page(_mfn(mfn++)), 0, 0) ) > BUG(); > } > initrd->mod_end = 0; > @@ -661,7 +661,7 @@ int __init dom0_construct_pv(struct domain *d, > L1_PROT : COMPAT_L1_PROT)); > l1tab++; > > - page = mfn_to_page(mfn); > + page = mfn_to_page(_mfn(mfn)); > if ( !page->u.inuse.type_info && > !get_page_and_type(page, d, PGT_writable_page) ) > BUG(); > @@ -801,7 +801,7 @@ int __init dom0_construct_pv(struct domain *d, > si->nr_p2m_frames = d->tot_pages - count; > page_list_for_each ( page, &d->page_list ) > { > - mfn = page_to_mfn(page); > + mfn = mfn_x(page_to_mfn(page)); > BUG_ON(SHARED_M2P(get_gpfn_from_mfn(mfn))); > if ( get_gpfn_from_mfn(mfn) >= count ) > { > @@ -826,7 +826,7 @@ int __init dom0_construct_pv(struct domain *d, > panic("Not enough RAM for DOM0 reservation"); > while ( pfn < d->tot_pages ) > { > - mfn = page_to_mfn(page); > + mfn = mfn_x(page_to_mfn(page)); > #ifndef NDEBUG > #define pfn (nr_pages - 1 - (pfn - (alloc_epfn - alloc_spfn))) > #endif > diff --git a/xen/arch/x86/pv/domain.c b/xen/arch/x86/pv/domain.c > index 2c784fb3cc..5565e69f44 100644 > --- a/xen/arch/x86/pv/domain.c > +++ b/xen/arch/x86/pv/domain.c > @@ -11,12 +11,6 @@ > > #include <asm/pv/domain.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > static void noreturn continue_nonidle_domain(struct vcpu *v) > { > check_wakeup_from_wait(); > diff --git a/xen/arch/x86/pv/emul-gate-op.c b/xen/arch/x86/pv/emul-gate- > op.c > index 14ce95e26e..810c4f7d8c 100644 > --- a/xen/arch/x86/pv/emul-gate-op.c > +++ b/xen/arch/x86/pv/emul-gate-op.c > @@ -41,12 +41,6 @@ > > #include "emulate.h" > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > static int read_gate_descriptor(unsigned int gate_sel, > const struct vcpu *v, > unsigned int *sel, > diff --git a/xen/arch/x86/pv/emul-priv-op.c b/xen/arch/x86/pv/emul-priv- > op.c > index 17aaf97f10..b44b2415a6 100644 > --- a/xen/arch/x86/pv/emul-priv-op.c > +++ b/xen/arch/x86/pv/emul-priv-op.c > @@ -43,16 +43,6 @@ > #include "emulate.h" > #include "mm.h" > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > -/*********************** > - * I/O emulation support > - */ > - > struct priv_op_ctxt { > struct x86_emulate_ctxt ctxt; > struct { > diff --git a/xen/arch/x86/pv/grant_table.c b/xen/arch/x86/pv/grant_table.c > index 458085e1b6..6b7d855c8a 100644 > --- a/xen/arch/x86/pv/grant_table.c > +++ b/xen/arch/x86/pv/grant_table.c > @@ -27,12 +27,6 @@ > > #include "mm.h" > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > static unsigned int grant_to_pte_flags(unsigned int grant_flags, > unsigned int cache_flags) > { > diff --git a/xen/arch/x86/pv/ro-page-fault.c b/xen/arch/x86/pv/ro-page- > fault.c > index 7e0e7e8dfc..17a08345d1 100644 > --- a/xen/arch/x86/pv/ro-page-fault.c > +++ b/xen/arch/x86/pv/ro-page-fault.c > @@ -33,12 +33,6 @@ > #include "emulate.h" > #include "mm.h" > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > /********************* > * Writable Pagetables > */ > diff --git a/xen/arch/x86/pv/shim.c b/xen/arch/x86/pv/shim.c > index 534965c92a..519278f78c 100644 > --- a/xen/arch/x86/pv/shim.c > +++ b/xen/arch/x86/pv/shim.c > @@ -37,8 +37,6 @@ > > #include <compat/grant_table.h> > > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > #undef virt_to_mfn > #define virt_to_mfn(va) _mfn(__virt_to_mfn(va)) > > @@ -848,7 +846,7 @@ static unsigned long batch_memory_op(unsigned int > cmd, unsigned int order, > set_xen_guest_handle(xmr.extent_start, pfns); > page_list_for_each ( pg, list ) > { > - pfns[xmr.nr_extents++] = page_to_mfn(pg); > + pfns[xmr.nr_extents++] = mfn_x(page_to_mfn(pg)); > if ( xmr.nr_extents == ARRAY_SIZE(pfns) || !page_list_next(pg, list) > ) > { > long nr = xen_hypercall_memory_op(cmd, &xmr); > diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c > index 52ad43e0ed..48c8cdb734 100644 > --- a/xen/arch/x86/smpboot.c > +++ b/xen/arch/x86/smpboot.c > @@ -48,12 +48,6 @@ > #include <mach_wakecpu.h> > #include <smpboot_hooks.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > #define setup_trampoline() > (bootsym_phys(trampoline_realmode_entry)) > > unsigned long __read_mostly trampoline_phys; > diff --git a/xen/arch/x86/tboot.c b/xen/arch/x86/tboot.c > index 71e757c553..fb4616ae83 100644 > --- a/xen/arch/x86/tboot.c > +++ b/xen/arch/x86/tboot.c > @@ -184,7 +184,7 @@ static void update_pagetable_mac(vmac_ctx_t *ctx) > > for ( mfn = 0; mfn < max_page; mfn++ ) > { > - struct page_info *page = mfn_to_page(mfn); > + struct page_info *page = mfn_to_page(_mfn(mfn)); > > if ( !mfn_valid(_mfn(mfn)) ) > continue; > @@ -276,7 +276,7 @@ static void tboot_gen_xenheap_integrity(const > uint8_t key[TB_KEY_SIZE], > vmac_set_key((uint8_t *)key, &ctx); > for ( mfn = 0; mfn < max_page; mfn++ ) > { > - struct page_info *page = __mfn_to_page(mfn); > + struct page_info *page = mfn_to_page(_mfn(mfn)); > > if ( !mfn_valid(_mfn(mfn)) ) > continue; > diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c > index 27190e0423..571796b123 100644 > --- a/xen/arch/x86/traps.c > +++ b/xen/arch/x86/traps.c > @@ -834,8 +834,8 @@ int wrmsr_hypervisor_regs(uint32_t idx, uint64_t val) > } > > gdprintk(XENLOG_WARNING, > - "Bad GMFN %lx (MFN %lx) to MSR %08x\n", > - gmfn, page ? page_to_mfn(page) : -1UL, base); > + "Bad GMFN %lx (MFN %#"PRI_mfn") to MSR %08x\n", > + gmfn, mfn_x(page ? page_to_mfn(page) : INVALID_MFN), > base); > return 0; > } > > diff --git a/xen/arch/x86/x86_64/mm.c b/xen/arch/x86/x86_64/mm.c > index 6b679882d6..ff8a6de23f 100644 > --- a/xen/arch/x86/x86_64/mm.c > +++ b/xen/arch/x86/x86_64/mm.c > @@ -40,12 +40,6 @@ asm(".file \"" __FILE__ "\""); > #include <asm/mem_sharing.h> > #include <public/memory.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > - > unsigned int __read_mostly m2p_compat_vstart = > __HYPERVISOR_COMPAT_VIRT_START; > > l2_pgentry_t *compat_idle_pg_table_l2; > diff --git a/xen/common/domain.c b/xen/common/domain.c > index e1c003d71e..e2acfeff80 100644 > --- a/xen/common/domain.c > +++ b/xen/common/domain.c > @@ -1217,7 +1217,7 @@ int map_vcpu_info(struct vcpu *v, unsigned long > gfn, unsigned offset) > } > > v->vcpu_info = new_info; > - v->vcpu_info_mfn = _mfn(page_to_mfn(page)); > + v->vcpu_info_mfn = page_to_mfn(page); > > /* Set new vcpu_info pointer /before/ setting pending flags. */ > smp_wmb(); > @@ -1250,7 +1250,7 @@ void unmap_vcpu_info(struct vcpu *v) > > vcpu_info_reset(v); /* NB: Clobbers v->vcpu_info_mfn */ > > - put_page_and_type(mfn_to_page(mfn_x(mfn))); > + put_page_and_type(mfn_to_page(mfn)); > } > > int default_initialise_vcpu(struct vcpu *v, > XEN_GUEST_HANDLE_PARAM(void) arg) > diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c > index e9a81b66be..959b7c64b2 100644 > --- a/xen/common/grant_table.c > +++ b/xen/common/grant_table.c > @@ -40,12 +40,6 @@ > #include <xsm/xsm.h> > #include <asm/flushtlb.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > - > /* Per-domain grant information. */ > struct grant_table { > /* > diff --git a/xen/common/kimage.c b/xen/common/kimage.c > index afd8292cc1..210241dfb7 100644 > --- a/xen/common/kimage.c > +++ b/xen/common/kimage.c > @@ -23,12 +23,6 @@ > > #include <asm/page.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > /* > * When kexec transitions to the new kernel there is a one-to-one > * mapping between physical and virtual addresses. On processors > diff --git a/xen/common/memory.c b/xen/common/memory.c > index 93d856df02..4c6b36b297 100644 > --- a/xen/common/memory.c > +++ b/xen/common/memory.c > @@ -33,12 +33,6 @@ > #include <asm/guest.h> > #endif > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > - > struct memop_args { > /* INPUT */ > struct domain *domain; /* Domain to be affected. */ > diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c > index b0db41feea..7fa847c9a1 100644 > --- a/xen/common/page_alloc.c > +++ b/xen/common/page_alloc.c > @@ -151,12 +151,6 @@ > #define p2m_pod_offline_or_broken_replace(pg) BUG_ON(pg != NULL) > #endif > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > - > /* > * Comma-separated list of hexadecimal page numbers containing bad > bytes. > * e.g. 'badpage=0x3f45,0x8a321'. > diff --git a/xen/common/tmem.c b/xen/common/tmem.c > index 324f42a6f9..c077f87e77 100644 > --- a/xen/common/tmem.c > +++ b/xen/common/tmem.c > @@ -243,7 +243,7 @@ static void tmem_persistent_pool_page_put(void > *page_va) > struct page_info *pi; > > ASSERT(IS_PAGE_ALIGNED(page_va)); > - pi = mfn_to_page(virt_to_mfn(page_va)); > + pi = mfn_to_page(_mfn(virt_to_mfn(page_va))); > ASSERT(IS_VALID_PAGE(pi)); > __tmem_free_page_thispool(pi); > } > diff --git a/xen/common/tmem_xen.c b/xen/common/tmem_xen.c > index bd52e44faf..bf7b14f79a 100644 > --- a/xen/common/tmem_xen.c > +++ b/xen/common/tmem_xen.c > @@ -14,10 +14,6 @@ > #include <xen/cpu.h> > #include <xen/init.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > bool __read_mostly opt_tmem; > boolean_param("tmem", opt_tmem); > > diff --git a/xen/common/trace.c b/xen/common/trace.c > index 2e18702317..1f19b7a604 100644 > --- a/xen/common/trace.c > +++ b/xen/common/trace.c > @@ -243,7 +243,7 @@ static int alloc_trace_bufs(unsigned int pages) > /* Now share the trace pages */ > for ( i = 0; i < pages; i++ ) > { > - pg = mfn_to_page(t_info_mfn_list[offset + i]); > + pg = mfn_to_page(_mfn(t_info_mfn_list[offset + i])); > share_xen_page_with_privileged_guests(pg, XENSHARE_writable); > } > } > @@ -274,7 +274,7 @@ out_dealloc: > uint32_t mfn = t_info_mfn_list[offset + i]; > if ( !mfn ) > break; > - ASSERT(!(mfn_to_page(mfn)->count_info & PGC_allocated)); > + ASSERT(!(mfn_to_page(_mfn(mfn))->count_info & PGC_allocated)); > free_xenheap_pages(mfn_to_virt(mfn), 0); > } > } > diff --git a/xen/common/vmap.c b/xen/common/vmap.c > index 1f50c91789..6e295862fb 100644 > --- a/xen/common/vmap.c > +++ b/xen/common/vmap.c > @@ -9,10 +9,6 @@ > #include <xen/vmap.h> > #include <asm/page.h> > > -/* Override macros from asm/page.h to make them work with mfn_t */ > -#undef page_to_mfn > -#define page_to_mfn(pg) _mfn(__page_to_mfn(pg)) > - > static DEFINE_SPINLOCK(vm_lock); > static void *__read_mostly vm_base[VMAP_REGION_NR]; > #define vm_bitmap(x) ((unsigned long *)vm_base[x]) > @@ -274,7 +270,7 @@ static void *vmalloc_type(size_t size, enum > vmap_region type) > > error: > while ( i-- ) > - free_domheap_page(mfn_to_page(mfn_x(mfn[i]))); > + free_domheap_page(mfn_to_page(mfn[i])); > xfree(mfn); > return NULL; > } > diff --git a/xen/common/xenoprof.c b/xen/common/xenoprof.c > index 5acdde5691..fecdfb3697 100644 > --- a/xen/common/xenoprof.c > +++ b/xen/common/xenoprof.c > @@ -22,8 +22,6 @@ > /* Override macros from asm/page.h to make them work with mfn_t */ > #undef virt_to_mfn > #define virt_to_mfn(va) _mfn(__virt_to_mfn(va)) > -#undef mfn_to_page > -#define mfn_to_page(mfn) __mfn_to_page(mfn_x(mfn)) > > /* Limit amount of pages used for shared buffer (per domain) */ > #define MAX_OPROF_SHARED_PAGES 32 > diff --git a/xen/drivers/passthrough/amd/iommu_map.c > b/xen/drivers/passthrough/amd/iommu_map.c > index fd2327d3e5..70b4345b37 100644 > --- a/xen/drivers/passthrough/amd/iommu_map.c > +++ b/xen/drivers/passthrough/amd/iommu_map.c > @@ -451,7 +451,7 @@ static int iommu_pde_from_gfn(struct domain *d, > unsigned long pfn, > BUG_ON( table == NULL || level < IOMMU_PAGING_MODE_LEVEL_1 || > level > IOMMU_PAGING_MODE_LEVEL_6 ); > > - next_table_mfn = page_to_mfn(table); > + next_table_mfn = mfn_x(page_to_mfn(table)); > > if ( level == IOMMU_PAGING_MODE_LEVEL_1 ) > { > @@ -493,7 +493,7 @@ static int iommu_pde_from_gfn(struct domain *d, > unsigned long pfn, > return 1; > } > > - next_table_mfn = page_to_mfn(table); > + next_table_mfn = mfn_x(page_to_mfn(table)); > set_iommu_pde_present((u32*)pde, next_table_mfn, next_level, > !!IOMMUF_writable, !!IOMMUF_readable); > > @@ -520,7 +520,7 @@ static int iommu_pde_from_gfn(struct domain *d, > unsigned long pfn, > unmap_domain_page(next_table_vaddr); > return 1; > } > - next_table_mfn = page_to_mfn(table); > + next_table_mfn = mfn_x(page_to_mfn(table)); > set_iommu_pde_present((u32*)pde, next_table_mfn, next_level, > !!IOMMUF_writable, !!IOMMUF_readable); > } > @@ -577,7 +577,7 @@ static int update_paging_mode(struct domain *d, > unsigned long gfn) > } > > new_root_vaddr = __map_domain_page(new_root); > - old_root_mfn = page_to_mfn(old_root); > + old_root_mfn = mfn_x(page_to_mfn(old_root)); > set_iommu_pde_present(new_root_vaddr, old_root_mfn, level, > !!IOMMUF_writable, !!IOMMUF_readable); > level++; > @@ -712,7 +712,7 @@ int amd_iommu_map_page(struct domain *d, > unsigned long gfn, unsigned long mfn, > } > > /* Deallocate lower level page table */ > - free_amd_iommu_pgtable(mfn_to_page(pt_mfn[merge_level - 1])); > + free_amd_iommu_pgtable(mfn_to_page(_mfn(pt_mfn[merge_level - > 1]))); > } > > out: > @@ -802,7 +802,7 @@ void amd_iommu_share_p2m(struct domain *d) > mfn_t pgd_mfn; > > pgd_mfn = > pagetable_get_mfn(p2m_get_pagetable(p2m_get_hostp2m(d))); > - p2m_table = mfn_to_page(mfn_x(pgd_mfn)); > + p2m_table = mfn_to_page(pgd_mfn); > > if ( hd->arch.root_table != p2m_table ) > { > diff --git a/xen/drivers/passthrough/iommu.c > b/xen/drivers/passthrough/iommu.c > index 1aecf7cf34..2c44fabf99 100644 > --- a/xen/drivers/passthrough/iommu.c > +++ b/xen/drivers/passthrough/iommu.c > @@ -184,7 +184,7 @@ void __hwdom_init iommu_hwdom_init(struct > domain *d) > > page_list_for_each ( page, &d->page_list ) > { > - unsigned long mfn = page_to_mfn(page); > + unsigned long mfn = mfn_x(page_to_mfn(page)); > unsigned long gfn = mfn_to_gmfn(d, mfn); > unsigned int mapping = IOMMUF_readable; > int ret; > diff --git a/xen/drivers/passthrough/x86/iommu.c > b/xen/drivers/passthrough/x86/iommu.c > index 0253823173..68182afd91 100644 > --- a/xen/drivers/passthrough/x86/iommu.c > +++ b/xen/drivers/passthrough/x86/iommu.c > @@ -58,7 +58,7 @@ int arch_iommu_populate_page_table(struct domain > *d) > if ( is_hvm_domain(d) || > (page->u.inuse.type_info & PGT_type_mask) == PGT_writable_page ) > { > - unsigned long mfn = page_to_mfn(page); > + unsigned long mfn = mfn_x(page_to_mfn(page)); > unsigned long gfn = mfn_to_gmfn(d, mfn); > > if ( gfn != gfn_x(INVALID_GFN) ) > diff --git a/xen/include/asm-arm/mm.h b/xen/include/asm-arm/mm.h > index 023e2eb213..b1d94805d4 100644 > --- a/xen/include/asm-arm/mm.h > +++ b/xen/include/asm-arm/mm.h > @@ -138,7 +138,7 @@ extern vaddr_t xenheap_virt_start; > #endif > > #ifdef CONFIG_ARM_32 > -#define is_xen_heap_page(page) > is_xen_heap_mfn(__page_to_mfn(page)) > +#define is_xen_heap_page(page) > is_xen_heap_mfn(mfn_x(page_to_mfn(page))) > #define is_xen_heap_mfn(mfn) ({ \ > unsigned long mfn_ = (mfn); \ > (mfn_ >= mfn_x(xenheap_mfn_start) && \ > @@ -147,7 +147,7 @@ extern vaddr_t xenheap_virt_start; > #else > #define is_xen_heap_page(page) ((page)->count_info & PGC_xen_heap) > #define is_xen_heap_mfn(mfn) \ > - (mfn_valid(_mfn(mfn)) && is_xen_heap_page(__mfn_to_page(mfn))) > + (mfn_valid(_mfn(mfn)) && > is_xen_heap_page(mfn_to_page(_mfn(mfn)))) > #endif > > #define is_xen_fixed_mfn(mfn) \ > @@ -220,12 +220,14 @@ static inline void __iomem *ioremap_wc(paddr_t > start, size_t len) > }) > > /* Convert between machine frame numbers and page-info structures. */ > -#define __mfn_to_page(mfn) (frame_table + (pfn_to_pdx(mfn) - > frametable_base_pdx)) > -#define __page_to_mfn(pg) pdx_to_pfn((unsigned long)((pg) - > frame_table) + frametable_base_pdx) > +#define mfn_to_page(mfn) \ > + (frame_table + (mfn_to_pdx(mfn) - frametable_base_pdx)) > +#define page_to_mfn(pg) \ > + pdx_to_mfn((unsigned long)((pg) - frame_table) + > frametable_base_pdx) > > /* Convert between machine addresses and page-info structures. */ > -#define maddr_to_page(ma) __mfn_to_page((ma) >> PAGE_SHIFT) > -#define page_to_maddr(pg) ((paddr_t)__page_to_mfn(pg) << > PAGE_SHIFT) > +#define maddr_to_page(ma) mfn_to_page(maddr_to_mfn(ma)) > +#define page_to_maddr(pg) (mfn_to_maddr(page_to_mfn(pg))) > > /* Convert between frame number and address formats. */ > #define pfn_to_paddr(pfn) ((paddr_t)(pfn) << PAGE_SHIFT) > @@ -235,7 +237,7 @@ static inline void __iomem *ioremap_wc(paddr_t > start, size_t len) > #define gaddr_to_gfn(ga) _gfn(paddr_to_pfn(ga)) > #define mfn_to_maddr(mfn) pfn_to_paddr(mfn_x(mfn)) > #define maddr_to_mfn(ma) _mfn(paddr_to_pfn(ma)) > -#define vmap_to_mfn(va) paddr_to_pfn(virt_to_maddr((vaddr_t)va)) > +#define vmap_to_mfn(va) maddr_to_mfn(virt_to_maddr((vaddr_t)va)) > #define vmap_to_page(va) mfn_to_page(vmap_to_mfn(va)) > > /* Page-align address and convert to frame number format */ > @@ -293,8 +295,6 @@ static inline uint64_t gvirt_to_maddr(vaddr_t va, > paddr_t *pa, > * These are overriden in various source files while underscored version > * remain intact. > */ > -#define mfn_to_page(mfn) __mfn_to_page(mfn) > -#define page_to_mfn(pg) __page_to_mfn(pg) > #define virt_to_mfn(va) __virt_to_mfn(va) > #define mfn_to_virt(mfn) __mfn_to_virt(mfn) > > @@ -314,7 +314,7 @@ static inline struct page_info *virt_to_page(const void > *v) > > static inline void *page_to_virt(const struct page_info *pg) > { > - return mfn_to_virt(page_to_mfn(pg)); > + return mfn_to_virt(mfn_x(page_to_mfn(pg))); > } > > struct page_info *get_page_from_gva(struct vcpu *v, vaddr_t va, > diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h > index a0abc84ed8..bcac141fd4 100644 > --- a/xen/include/asm-arm/p2m.h > +++ b/xen/include/asm-arm/p2m.h > @@ -278,7 +278,7 @@ static inline struct page_info *get_page_from_gfn( > { > struct page_info *page; > p2m_type_t p2mt; > - unsigned long mfn = mfn_x(p2m_lookup(d, _gfn(gfn), &p2mt)); > + mfn_t mfn = p2m_lookup(d, _gfn(gfn), &p2mt); > > if (t) > *t = p2mt; > @@ -286,7 +286,7 @@ static inline struct page_info *get_page_from_gfn( > if ( !p2m_is_any_ram(p2mt) ) > return NULL; > > - if ( !mfn_valid(_mfn(mfn)) ) > + if ( !mfn_valid(mfn) ) > return NULL; > page = mfn_to_page(mfn); > > diff --git a/xen/include/asm-x86/mm.h b/xen/include/asm-x86/mm.h > index 3013c266fe..8dc3821e97 100644 > --- a/xen/include/asm-x86/mm.h > +++ b/xen/include/asm-x86/mm.h > @@ -271,7 +271,7 @@ struct page_info > > #define is_xen_heap_page(page) ((page)->count_info & PGC_xen_heap) > #define is_xen_heap_mfn(mfn) \ > - (__mfn_valid(mfn) && is_xen_heap_page(__mfn_to_page(mfn))) > + (__mfn_valid(mfn) && is_xen_heap_page(mfn_to_page(_mfn(mfn)))) > #define is_xen_fixed_mfn(mfn) \ > ((((mfn) << PAGE_SHIFT) >= __pa(&_stext)) && \ > (((mfn) << PAGE_SHIFT) <= __pa(&__2M_rwdata_end))) > @@ -384,7 +384,7 @@ void put_page_from_l1e(l1_pgentry_t l1e, struct > domain *l1e_owner); > > static inline struct page_info *get_page_from_mfn(mfn_t mfn, struct > domain *d) > { > - struct page_info *page = __mfn_to_page(mfn_x(mfn)); > + struct page_info *page = mfn_to_page(mfn); > > if ( unlikely(!mfn_valid(mfn)) || unlikely(!get_page(page, d)) ) > { > @@ -478,10 +478,10 @@ extern paddr_t mem_hotplug; > #define SHARED_M2P(_e) ((_e) == SHARED_M2P_ENTRY) > > #define compat_machine_to_phys_mapping ((unsigned int > *)RDWR_COMPAT_MPT_VIRT_START) > -#define _set_gpfn_from_mfn(mfn, pfn) ({ \ > - struct domain *d = page_get_owner(__mfn_to_page(mfn)); \ > - unsigned long entry = (d && (d == dom_cow)) ? \ > - SHARED_M2P_ENTRY : (pfn); \ > +#define _set_gpfn_from_mfn(mfn, pfn) ({ \ > + struct domain *d = page_get_owner(mfn_to_page(_mfn(mfn))); \ > + unsigned long entry = (d && (d == dom_cow)) ? \ > + SHARED_M2P_ENTRY : (pfn); \ > ((void)((mfn) >= (RDWR_COMPAT_MPT_VIRT_END - > RDWR_COMPAT_MPT_VIRT_START) / 4 || \ > (compat_machine_to_phys_mapping[(mfn)] = (unsigned int)(entry))), > \ > machine_to_phys_mapping[(mfn)] = (entry)); \ > diff --git a/xen/include/asm-x86/p2m.h b/xen/include/asm-x86/p2m.h > index 2e7aa8fc79..c486b6f8f0 100644 > --- a/xen/include/asm-x86/p2m.h > +++ b/xen/include/asm-x86/p2m.h > @@ -488,7 +488,7 @@ static inline struct page_info *get_page_from_gfn( > /* Non-translated guests see 1-1 RAM / MMIO mappings everywhere */ > if ( t ) > *t = likely(d != dom_io) ? p2m_ram_rw : p2m_mmio_direct; > - page = __mfn_to_page(gfn); > + page = mfn_to_page(_mfn(gfn)); > return mfn_valid(_mfn(gfn)) && get_page(page, d) ? page : NULL; > } > > diff --git a/xen/include/asm-x86/page.h b/xen/include/asm-x86/page.h > index 45ca742678..7e2a1546c3 100644 > --- a/xen/include/asm-x86/page.h > +++ b/xen/include/asm-x86/page.h > @@ -88,10 +88,10 @@ > ((paddr_t)(((x).l4 & (PADDR_MASK&PAGE_MASK)))) > > /* Get pointer to info structure of page mapped by pte (struct page_info *). > */ > -#define l1e_get_page(x) (__mfn_to_page(l1e_get_pfn(x))) > -#define l2e_get_page(x) (__mfn_to_page(l2e_get_pfn(x))) > -#define l3e_get_page(x) (__mfn_to_page(l3e_get_pfn(x))) > -#define l4e_get_page(x) (__mfn_to_page(l4e_get_pfn(x))) > +#define l1e_get_page(x) mfn_to_page(l1e_get_mfn(x)) > +#define l2e_get_page(x) mfn_to_page(l2e_get_mfn(x)) > +#define l3e_get_page(x) mfn_to_page(l3e_get_mfn(x)) > +#define l4e_get_page(x) mfn_to_page(l4e_get_mfn(x)) > > /* Get pte access flags (unsigned int). */ > #define l1e_get_flags(x) (get_pte_flags((x).l1)) > @@ -157,10 +157,10 @@ static inline l4_pgentry_t l4e_from_paddr(paddr_t > pa, unsigned int flags) > #define l4e_from_intpte(intpte) ((l4_pgentry_t) { (intpte_t)(intpte) }) > > /* Construct a pte from a page pointer and access flags. */ > -#define l1e_from_page(page, flags) l1e_from_pfn(__page_to_mfn(page), > (flags)) > -#define l2e_from_page(page, flags) l2e_from_pfn(__page_to_mfn(page), > (flags)) > -#define l3e_from_page(page, flags) l3e_from_pfn(__page_to_mfn(page), > (flags)) > -#define l4e_from_page(page, flags) l4e_from_pfn(__page_to_mfn(page), > (flags)) > +#define l1e_from_page(page, flags) l1e_from_mfn(page_to_mfn(page), > (flags)) > +#define l2e_from_page(page, flags) l2e_from_mfn(page_to_mfn(page), > (flags)) > +#define l3e_from_page(page, flags) l3e_from_mfn(page_to_mfn(page), > (flags)) > +#define l4e_from_page(page, flags) l4e_from_mfn(page_to_mfn(page), > (flags)) > > /* Add extra flags to an existing pte. */ > #define l1e_add_flags(x, flags) ((x).l1 |= put_pte_flags(flags)) > @@ -215,13 +215,13 @@ static inline l4_pgentry_t l4e_from_paddr(paddr_t > pa, unsigned int flags) > /* Page-table type. */ > typedef struct { u64 pfn; } pagetable_t; > #define pagetable_get_paddr(x) ((paddr_t)(x).pfn << PAGE_SHIFT) > -#define pagetable_get_page(x) __mfn_to_page((x).pfn) > +#define pagetable_get_page(x) mfn_to_page(pagetable_get_mfn(x)) > #define pagetable_get_pfn(x) ((x).pfn) > #define pagetable_get_mfn(x) _mfn(((x).pfn)) > #define pagetable_is_null(x) ((x).pfn == 0) > #define pagetable_from_pfn(pfn) ((pagetable_t) { (pfn) }) > #define pagetable_from_mfn(mfn) ((pagetable_t) { mfn_x(mfn) }) > -#define pagetable_from_page(pg) > pagetable_from_pfn(__page_to_mfn(pg)) > +#define pagetable_from_page(pg) > pagetable_from_mfn(page_to_mfn(pg)) > #define pagetable_from_paddr(p) pagetable_from_pfn((p)>>PAGE_SHIFT) > #define pagetable_null() pagetable_from_pfn(0) > > @@ -240,12 +240,12 @@ void copy_page_sse2(void *, const void *); > #define __mfn_to_virt(mfn) (maddr_to_virt((paddr_t)(mfn) << > PAGE_SHIFT)) > > /* Convert between machine frame numbers and page-info structures. */ > -#define __mfn_to_page(mfn) (frame_table + pfn_to_pdx(mfn)) > -#define __page_to_mfn(pg) pdx_to_pfn((unsigned long)((pg) - > frame_table)) > +#define mfn_to_page(mfn) (frame_table + mfn_to_pdx(mfn)) > +#define page_to_mfn(pg) pdx_to_mfn((unsigned long)((pg) - > frame_table)) > > /* Convert between machine addresses and page-info structures. */ > -#define __maddr_to_page(ma) __mfn_to_page((ma) >> PAGE_SHIFT) > -#define __page_to_maddr(pg) ((paddr_t)__page_to_mfn(pg) << > PAGE_SHIFT) > +#define __maddr_to_page(ma) mfn_to_page(maddr_to_mfn(ma)) > +#define __page_to_maddr(pg) (mfn_to_maddr(page_to_mfn(pg))) > > /* Convert between frame number and address formats. */ > #define __pfn_to_paddr(pfn) ((paddr_t)(pfn) << PAGE_SHIFT) > @@ -264,8 +264,6 @@ void copy_page_sse2(void *, const void *); > #define mfn_to_virt(mfn) __mfn_to_virt(mfn) > #define virt_to_maddr(va) __virt_to_maddr((unsigned long)(va)) > #define maddr_to_virt(ma) __maddr_to_virt((unsigned long)(ma)) > -#define mfn_to_page(mfn) __mfn_to_page(mfn) > -#define page_to_mfn(pg) __page_to_mfn(pg) > #define maddr_to_page(ma) __maddr_to_page(ma) > #define page_to_maddr(pg) __page_to_maddr(pg) > #define virt_to_page(va) __virt_to_page(va) > @@ -273,7 +271,7 @@ void copy_page_sse2(void *, const void *); > #define pfn_to_paddr(pfn) __pfn_to_paddr(pfn) > #define paddr_to_pfn(pa) __paddr_to_pfn(pa) > #define paddr_to_pdx(pa) pfn_to_pdx(paddr_to_pfn(pa)) > -#define vmap_to_mfn(va) l1e_get_pfn(*virt_to_xen_l1e((unsigned > long)(va))) > +#define vmap_to_mfn(va) > _mfn(l1e_get_pfn(*virt_to_xen_l1e((unsigned long)(va)))) > #define vmap_to_page(va) mfn_to_page(vmap_to_mfn(va)) > > #endif /* !defined(__ASSEMBLY__) */ > diff --git a/xen/include/xen/domain_page.h > b/xen/include/xen/domain_page.h > index 890bae5b9c..32669a3339 100644 > --- a/xen/include/xen/domain_page.h > +++ b/xen/include/xen/domain_page.h > @@ -34,7 +34,7 @@ void unmap_domain_page(const void *va); > /* > * Given a VA from map_domain_page(), return its underlying MFN. > */ > -unsigned long domain_page_map_to_mfn(const void *va); > +mfn_t domain_page_map_to_mfn(const void *va); > > /* > * Similar to the above calls, except the mapping is accessible in all > @@ -44,11 +44,11 @@ unsigned long domain_page_map_to_mfn(const void > *va); > void *map_domain_page_global(mfn_t mfn); > void unmap_domain_page_global(const void *va); > > -#define __map_domain_page(pg) > map_domain_page(_mfn(__page_to_mfn(pg))) > +#define __map_domain_page(pg) > map_domain_page(page_to_mfn(pg)) > > static inline void *__map_domain_page_global(const struct page_info *pg) > { > - return map_domain_page_global(_mfn(__page_to_mfn(pg))); > + return map_domain_page_global(page_to_mfn(pg)); > } > > #else /* !CONFIG_DOMAIN_PAGE */ > @@ -56,7 +56,7 @@ static inline void *__map_domain_page_global(const > struct page_info *pg) > #define map_domain_page(mfn) __mfn_to_virt(mfn_x(mfn)) > #define __map_domain_page(pg) page_to_virt(pg) > #define unmap_domain_page(va) ((void)(va)) > -#define domain_page_map_to_mfn(va) virt_to_mfn((unsigned > long)(va)) > +#define domain_page_map_to_mfn(va) _mfn(virt_to_mfn((unsigned > long)(va))) > > static inline void *map_domain_page_global(mfn_t mfn) > { > diff --git a/xen/include/xen/mm.h b/xen/include/xen/mm.h > index caad06e753..204dd9c48d 100644 > --- a/xen/include/xen/mm.h > +++ b/xen/include/xen/mm.h > @@ -277,13 +277,8 @@ struct page_list_head > # define PAGE_LIST_NULL ((typeof(((struct page_info){}).list.next))~0) > > # if !defined(pdx_to_page) && !defined(page_to_pdx) > -# if defined(__page_to_mfn) || defined(__mfn_to_page) > -# define page_to_pdx __page_to_mfn > -# define pdx_to_page __mfn_to_page > -# else > # define page_to_pdx page_to_mfn > # define pdx_to_page mfn_to_page > -# endif > # endif > > # define PAGE_LIST_HEAD_INIT(name) { NULL, NULL } > diff --git a/xen/include/xen/tmem_xen.h b/xen/include/xen/tmem_xen.h > index 542c0b3f20..8516a0b131 100644 > --- a/xen/include/xen/tmem_xen.h > +++ b/xen/include/xen/tmem_xen.h > @@ -25,7 +25,7 @@ > typedef uint32_t pagesize_t; /* like size_t, must handle largest PAGE_SIZE > */ > > #define IS_PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)(addr), > PAGE_SIZE) > -#define IS_VALID_PAGE(_pi) mfn_valid(_mfn(page_to_mfn(_pi))) > +#define IS_VALID_PAGE(_pi) mfn_valid(page_to_mfn(_pi)) > > extern struct page_list_head tmem_page_list; > extern spinlock_t tmem_page_list_lock; > -- > 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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