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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [XEN] Remove valid_mfn().
# HG changeset patch
# User Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
# Node ID b4baf35cff112b60c5f7d077e2c23d97e9480cf8
# Parent 658b9c47db98bbfff19b6851972a82939c9e37d0
[XEN] Remove valid_mfn().
Since cset 12568 removed VALID_MFN(), valid_mfn() is just confusing.
Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
---
xen/arch/x86/mm/shadow/common.c | 18 ++++----
xen/arch/x86/mm/shadow/multi.c | 86 +++++++++++++++++++--------------------
xen/arch/x86/mm/shadow/private.h | 2
xen/include/asm-x86/shadow.h | 6 --
4 files changed, 53 insertions(+), 59 deletions(-)
diff -r 658b9c47db98 -r b4baf35cff11 xen/arch/x86/mm/shadow/common.c
--- a/xen/arch/x86/mm/shadow/common.c Tue Nov 28 09:39:32 2006 +0000
+++ b/xen/arch/x86/mm/shadow/common.c Tue Nov 28 09:51:05 2006 +0000
@@ -194,7 +194,7 @@ void shadow_promote(struct vcpu *v, mfn_
{
struct page_info *page = mfn_to_page(gmfn);
- ASSERT(valid_mfn(gmfn));
+ ASSERT(mfn_valid(gmfn));
/* We should never try to promote a gmfn that has writeable mappings */
ASSERT(shadow_remove_write_access(v, gmfn, 0, 0) == 0);
@@ -967,13 +967,13 @@ shadow_set_p2m_entry(struct domain *d, u
p2m_entry = p2m_find_entry(table, &gfn_remainder, gfn,
0, L1_PAGETABLE_ENTRIES);
ASSERT(p2m_entry);
- if ( valid_mfn(mfn) )
+ if ( mfn_valid(mfn) )
*p2m_entry = l1e_from_pfn(mfn_x(mfn), __PAGE_HYPERVISOR|_PAGE_USER);
else
*p2m_entry = l1e_empty();
/* Track the highest gfn for which we have ever had a valid mapping */
- if ( valid_mfn(mfn) && (gfn > d->arch.max_mapped_pfn) )
+ if ( mfn_valid(mfn) && (gfn > d->arch.max_mapped_pfn) )
d->arch.max_mapped_pfn = gfn;
/* The P2M can be shadowed: keep the shadows synced */
@@ -1930,7 +1930,7 @@ static int sh_remove_shadow_via_pointer(
if (sp->up == 0) return 0;
pmfn = _mfn(sp->up >> PAGE_SHIFT);
- ASSERT(valid_mfn(pmfn));
+ ASSERT(mfn_valid(pmfn));
vaddr = sh_map_domain_page(pmfn);
ASSERT(vaddr);
vaddr += sp->up & (PAGE_SIZE-1);
@@ -2424,7 +2424,7 @@ void shadow_teardown(struct domain *d)
if ( shadow_mode_external(d) )
{
mfn = pagetable_get_mfn(v->arch.monitor_table);
- if ( valid_mfn(mfn) && (mfn_x(mfn) != 0) )
+ if ( mfn_valid(mfn) && (mfn_x(mfn) != 0) )
shadow_destroy_monitor_table(v, mfn);
v->arch.monitor_table = pagetable_null();
}
@@ -2755,7 +2755,7 @@ shadow_guest_physmap_add_page(struct dom
SHADOW_DEBUG(P2M, "adding gfn=%#lx mfn=%#lx\n", gfn, mfn);
omfn = sh_gfn_to_mfn(d, gfn);
- if ( valid_mfn(omfn) )
+ if ( mfn_valid(omfn) )
{
/* Get rid of the old mapping, especially any shadows */
struct vcpu *v = current;
@@ -2783,7 +2783,7 @@ shadow_guest_physmap_add_page(struct dom
/* This machine frame is already mapped at another physical address */
SHADOW_DEBUG(P2M, "aliased! mfn=%#lx, old gfn=%#lx, new gfn=%#lx\n",
mfn, ogfn, gfn);
- if ( valid_mfn(omfn = sh_gfn_to_mfn(d, ogfn)) )
+ if ( mfn_valid(omfn = sh_gfn_to_mfn(d, ogfn)) )
{
SHADOW_DEBUG(P2M, "old gfn=%#lx -> mfn %#lx\n",
ogfn , mfn_x(omfn));
@@ -2888,7 +2888,7 @@ void sh_do_mark_dirty(struct domain *d,
ASSERT(shadow_lock_is_acquired(d));
ASSERT(shadow_mode_log_dirty(d));
- if ( !valid_mfn(gmfn) )
+ if ( !mfn_valid(gmfn) )
return;
ASSERT(d->arch.shadow.dirty_bitmap != NULL);
@@ -3209,7 +3209,7 @@ void shadow_audit_p2m(struct domain *d)
if ( !(l1e_get_flags(l1e[i1]) & _PAGE_PRESENT) )
continue;
mfn = l1e_get_pfn(l1e[i1]);
- ASSERT(valid_mfn(_mfn(mfn)));
+ ASSERT(mfn_valid(_mfn(mfn)));
m2pfn = get_gpfn_from_mfn(mfn);
if ( m2pfn != gfn )
{
diff -r 658b9c47db98 -r b4baf35cff11 xen/arch/x86/mm/shadow/multi.c
--- a/xen/arch/x86/mm/shadow/multi.c Tue Nov 28 09:39:32 2006 +0000
+++ b/xen/arch/x86/mm/shadow/multi.c Tue Nov 28 09:51:05 2006 +0000
@@ -102,7 +102,7 @@ get_fl1_shadow_status(struct vcpu *v, gf
{
mfn_t smfn = shadow_hash_lookup(v, gfn_x(gfn), SH_type_fl1_shadow);
- if ( unlikely(shadow_mode_log_dirty(v->domain) && valid_mfn(smfn)) )
+ if ( unlikely(shadow_mode_log_dirty(v->domain) && mfn_valid(smfn)) )
{
struct shadow_page_info *sp = mfn_to_shadow_page(smfn);
if ( !(sp->logdirty) )
@@ -119,7 +119,7 @@ get_shadow_status(struct vcpu *v, mfn_t
mfn_t smfn = shadow_hash_lookup(v, mfn_x(gmfn), shadow_type);
perfc_incrc(shadow_get_shadow_status);
- if ( unlikely(shadow_mode_log_dirty(v->domain) && valid_mfn(smfn)) )
+ if ( unlikely(shadow_mode_log_dirty(v->domain) && mfn_valid(smfn)) )
{
struct shadow_page_info *sp = mfn_to_shadow_page(smfn);
if ( !(sp->logdirty) )
@@ -241,7 +241,7 @@ guest_walk_tables(struct vcpu *v, unsign
/* Walk down to the l3e */
if ( !(guest_l4e_get_flags(*gw->l4e) & _PAGE_PRESENT) ) return 0;
gw->l3mfn = vcpu_gfn_to_mfn(v, guest_l4e_get_gfn(*gw->l4e));
- if ( !valid_mfn(gw->l3mfn) ) return 1;
+ if ( !mfn_valid(gw->l3mfn) ) return 1;
/* This mfn is a pagetable: make sure the guest can't write to it. */
if ( guest_op && shadow_remove_write_access(v, gw->l3mfn, 3, va) != 0 )
flush_tlb_mask(v->domain->domain_dirty_cpumask);
@@ -255,7 +255,7 @@ guest_walk_tables(struct vcpu *v, unsign
/* Walk down to the l2e */
if ( !(guest_l3e_get_flags(*gw->l3e) & _PAGE_PRESENT) ) return 0;
gw->l2mfn = vcpu_gfn_to_mfn(v, guest_l3e_get_gfn(*gw->l3e));
- if ( !valid_mfn(gw->l2mfn) ) return 1;
+ if ( !mfn_valid(gw->l2mfn) ) return 1;
/* This mfn is a pagetable: make sure the guest can't write to it. */
if ( guest_op && shadow_remove_write_access(v, gw->l2mfn, 2, va) != 0 )
flush_tlb_mask(v->domain->domain_dirty_cpumask);
@@ -296,7 +296,7 @@ guest_walk_tables(struct vcpu *v, unsign
{
/* Not a superpage: carry on and find the l1e. */
gw->l1mfn = vcpu_gfn_to_mfn(v, guest_l2e_get_gfn(*gw->l2e));
- if ( !valid_mfn(gw->l1mfn) ) return 1;
+ if ( !mfn_valid(gw->l1mfn) ) return 1;
/* This mfn is a pagetable: make sure the guest can't write to it. */
if ( guest_op
&& shadow_remove_write_access(v, gw->l1mfn, 1, va) != 0 )
@@ -386,33 +386,33 @@ static void sh_audit_gw(struct vcpu *v,
return;
#if GUEST_PAGING_LEVELS >= 4 /* 64-bit only... */
- if ( valid_mfn(gw->l4mfn)
- && valid_mfn((smfn = get_shadow_status(v, gw->l4mfn,
+ if ( mfn_valid(gw->l4mfn)
+ && mfn_valid((smfn = get_shadow_status(v, gw->l4mfn,
SH_type_l4_shadow))) )
(void) sh_audit_l4_table(v, smfn, _mfn(INVALID_MFN));
- if ( valid_mfn(gw->l3mfn)
- && valid_mfn((smfn = get_shadow_status(v, gw->l3mfn,
+ if ( mfn_valid(gw->l3mfn)
+ && mfn_valid((smfn = get_shadow_status(v, gw->l3mfn,
SH_type_l3_shadow))) )
(void) sh_audit_l3_table(v, smfn, _mfn(INVALID_MFN));
#endif /* PAE or 64... */
- if ( valid_mfn(gw->l2mfn) )
- {
- if ( valid_mfn((smfn = get_shadow_status(v, gw->l2mfn,
+ if ( mfn_valid(gw->l2mfn) )
+ {
+ if ( mfn_valid((smfn = get_shadow_status(v, gw->l2mfn,
SH_type_l2_shadow))) )
(void) sh_audit_l2_table(v, smfn, _mfn(INVALID_MFN));
#if GUEST_PAGING_LEVELS == 3
- if ( valid_mfn((smfn = get_shadow_status(v, gw->l2mfn,
+ if ( mfn_valid((smfn = get_shadow_status(v, gw->l2mfn,
SH_type_l2h_shadow))) )
(void) sh_audit_l2_table(v, smfn, _mfn(INVALID_MFN));
#endif
}
- if ( valid_mfn(gw->l1mfn)
- && valid_mfn((smfn = get_shadow_status(v, gw->l1mfn,
+ if ( mfn_valid(gw->l1mfn)
+ && mfn_valid((smfn = get_shadow_status(v, gw->l1mfn,
SH_type_l1_shadow))) )
(void) sh_audit_l1_table(v, smfn, _mfn(INVALID_MFN));
else if ( gw->l2e
&& (guest_l2e_get_flags(*gw->l2e) & _PAGE_PSE)
- && valid_mfn(
+ && mfn_valid(
(smfn = get_fl1_shadow_status(v, guest_l2e_get_gfn(*gw->l2e)))) )
(void) sh_audit_fl1_table(v, smfn, _mfn(INVALID_MFN));
}
@@ -450,7 +450,7 @@ static u32 guest_set_ad_bits(struct vcpu
if ( !(ft & FETCH_TYPE_DEMAND) )
return flags;
- ASSERT(valid_mfn(gmfn)
+ ASSERT(mfn_valid(gmfn)
&& (sh_mfn_is_a_page_table(gmfn)
|| ((mfn_to_page(gmfn)->u.inuse.type_info & PGT_count_mask)
== 0)));
@@ -654,7 +654,7 @@ _sh_propagate(struct vcpu *v,
/* We don't shadow PAE l3s */
ASSERT(GUEST_PAGING_LEVELS > 3 || level != 3);
- if ( valid_mfn(guest_table_mfn) )
+ if ( mfn_valid(guest_table_mfn) )
/* Handle A and D bit propagation into the guest */
gflags = guest_set_ad_bits(v, guest_table_mfn, gp, level, ft);
else
@@ -686,7 +686,7 @@ _sh_propagate(struct vcpu *v,
// case of a prefetch, an invalid mfn means that we can not usefully
// shadow anything, and so we return early.
//
- if ( !valid_mfn(target_mfn) )
+ if ( !mfn_valid(target_mfn) )
{
ASSERT((ft == ft_prefetch));
*sp = shadow_l1e_empty();
@@ -929,7 +929,7 @@ shadow_get_page_from_l1e(shadow_l1e_t sl
if ( unlikely(!res) &&
IS_PRIV(d) &&
!shadow_mode_translate(d) &&
- valid_mfn(mfn = shadow_l1e_get_mfn(sl1e)) &&
+ mfn_valid(mfn = shadow_l1e_get_mfn(sl1e)) &&
(owner = page_get_owner(mfn_to_page(mfn))) &&
(d != owner) )
{
@@ -1745,14 +1745,14 @@ static shadow_l3e_t * shadow_get_and_cre
{
mfn_t sl4mfn;
shadow_l4e_t *sl4e;
- if ( !valid_mfn(gw->l3mfn) ) return NULL; /* No guest page. */
+ if ( !mfn_valid(gw->l3mfn) ) return NULL; /* No guest page. */
/* Get the l4e */
sl4e = shadow_get_and_create_l4e(v, gw, &sl4mfn);
ASSERT(sl4e != NULL);
if ( shadow_l4e_get_flags(*sl4e) & _PAGE_PRESENT )
{
*sl3mfn = shadow_l4e_get_mfn(*sl4e);
- ASSERT(valid_mfn(*sl3mfn));
+ ASSERT(mfn_valid(*sl3mfn));
}
else
{
@@ -1760,7 +1760,7 @@ static shadow_l3e_t * shadow_get_and_cre
shadow_l4e_t new_sl4e;
/* No l3 shadow installed: find and install it. */
*sl3mfn = get_shadow_status(v, gw->l3mfn, SH_type_l3_shadow);
- if ( !valid_mfn(*sl3mfn) )
+ if ( !mfn_valid(*sl3mfn) )
{
/* No l3 shadow of this page exists at all: make one. */
*sl3mfn = sh_make_shadow(v, gw->l3mfn, SH_type_l3_shadow);
@@ -1787,14 +1787,14 @@ static shadow_l2e_t * shadow_get_and_cre
#if GUEST_PAGING_LEVELS >= 4 /* 64bit... */
mfn_t sl3mfn = _mfn(INVALID_MFN);
shadow_l3e_t *sl3e;
- if ( !valid_mfn(gw->l2mfn) ) return NULL; /* No guest page. */
+ if ( !mfn_valid(gw->l2mfn) ) return NULL; /* No guest page. */
/* Get the l3e */
sl3e = shadow_get_and_create_l3e(v, gw, &sl3mfn, ft);
if ( sl3e == NULL ) return NULL;
if ( shadow_l3e_get_flags(*sl3e) & _PAGE_PRESENT )
{
*sl2mfn = shadow_l3e_get_mfn(*sl3e);
- ASSERT(valid_mfn(*sl2mfn));
+ ASSERT(mfn_valid(*sl2mfn));
}
else
{
@@ -1802,7 +1802,7 @@ static shadow_l2e_t * shadow_get_and_cre
shadow_l3e_t new_sl3e;
/* No l2 shadow installed: find and install it. */
*sl2mfn = get_shadow_status(v, gw->l2mfn, SH_type_l2_shadow);
- if ( !valid_mfn(*sl2mfn) )
+ if ( !mfn_valid(*sl2mfn) )
{
/* No l2 shadow of this page exists at all: make one. */
*sl2mfn = sh_make_shadow(v, gw->l2mfn, SH_type_l2_shadow);
@@ -1825,7 +1825,7 @@ static shadow_l2e_t * shadow_get_and_cre
if ( !(shadow_l3e_get_flags(*sl3e) & _PAGE_PRESENT) )
return NULL;
*sl2mfn = shadow_l3e_get_mfn(*sl3e);
- ASSERT(valid_mfn(*sl2mfn));
+ ASSERT(mfn_valid(*sl2mfn));
return sh_linear_l2_table(v) + shadow_l2_linear_offset(gw->va);
#else /* 32bit... */
/* There is always a shadow of the top level table. Get it. */
@@ -1859,7 +1859,7 @@ static shadow_l1e_t * shadow_get_and_cre
|| !(guest_l2e_get_flags(*gw->l2e) & _PAGE_PSE)) )
{
*sl1mfn = shadow_l2e_get_mfn(*sl2e);
- ASSERT(valid_mfn(*sl1mfn));
+ ASSERT(mfn_valid(*sl1mfn));
}
else
{
@@ -1873,7 +1873,7 @@ static shadow_l1e_t * shadow_get_and_cre
/* Splintering a superpage */
gfn_t l2gfn = guest_l2e_get_gfn(*gw->l2e);
*sl1mfn = get_fl1_shadow_status(v, l2gfn);
- if ( !valid_mfn(*sl1mfn) )
+ if ( !mfn_valid(*sl1mfn) )
{
/* No fl1 shadow of this superpage exists at all: make one. */
*sl1mfn = make_fl1_shadow(v, l2gfn);
@@ -1882,9 +1882,9 @@ static shadow_l1e_t * shadow_get_and_cre
else
{
/* Shadowing an actual guest l1 table */
- if ( !valid_mfn(gw->l2mfn) ) return NULL; /* No guest page. */
+ if ( !mfn_valid(gw->l2mfn) ) return NULL; /* No guest page. */
*sl1mfn = get_shadow_status(v, gw->l1mfn, SH_type_l1_shadow);
- if ( !valid_mfn(*sl1mfn) )
+ if ( !mfn_valid(*sl1mfn) )
{
/* No l1 shadow of this page exists at all: make one. */
*sl1mfn = sh_make_shadow(v, gw->l1mfn, SH_type_l1_shadow);
@@ -2153,7 +2153,7 @@ static int validate_gl4e(struct vcpu *v,
{
gfn_t gl3gfn = guest_l4e_get_gfn(*new_gl4e);
mfn_t gl3mfn = vcpu_gfn_to_mfn(v, gl3gfn);
- if ( valid_mfn(gl3mfn) )
+ if ( mfn_valid(gl3mfn) )
sl3mfn = get_shadow_status(v, gl3mfn, SH_type_l3_shadow);
else
result |= SHADOW_SET_ERROR;
@@ -2205,7 +2205,7 @@ static int validate_gl3e(struct vcpu *v,
{
gfn_t gl2gfn = guest_l3e_get_gfn(*new_gl3e);
mfn_t gl2mfn = vcpu_gfn_to_mfn(v, gl2gfn);
- if ( valid_mfn(gl2mfn) )
+ if ( mfn_valid(gl2mfn) )
sl2mfn = get_shadow_status(v, gl2mfn, SH_type_l2_shadow);
else
result |= SHADOW_SET_ERROR;
@@ -2242,14 +2242,14 @@ static int validate_gl2e(struct vcpu *v,
// for superpage fl1's here, but this is *not* on the demand path,
// so we'll hold off trying that for now...
//
- if ( !valid_mfn(sl1mfn) )
+ if ( !mfn_valid(sl1mfn) )
sl1mfn = make_fl1_shadow(v, gl1gfn);
#endif
}
else
{
mfn_t gl1mfn = vcpu_gfn_to_mfn(v, gl1gfn);
- if ( valid_mfn(gl1mfn) )
+ if ( mfn_valid(gl1mfn) )
sl1mfn = get_shadow_status(v, gl1mfn, SH_type_l1_shadow);
else
result |= SHADOW_SET_ERROR;
@@ -2317,7 +2317,7 @@ static int validate_gl1e(struct vcpu *v,
gfn = guest_l1e_get_gfn(*new_gl1e);
gmfn = vcpu_gfn_to_mfn(v, gfn);
- mmio = (is_hvm_vcpu(v) && shadow_vcpu_mode_translate(v) &&
!valid_mfn(gmfn));
+ mmio = (is_hvm_vcpu(v) && shadow_vcpu_mode_translate(v) &&
!mfn_valid(gmfn));
l1e_propagate_from_guest(v, new_gl1e, _mfn(INVALID_MFN), gmfn, &new_sl1e,
ft_prefetch, mmio);
@@ -2352,7 +2352,7 @@ sh_map_and_validate(struct vcpu *v, mfn_
/* Map the shadow page */
smfn = get_shadow_status(v, gmfn, sh_type);
- ASSERT(valid_mfn(smfn)); /* Otherwise we would not have been called */
+ ASSERT(mfn_valid(smfn)); /* Otherwise we would not have been called */
guest_idx = guest_index(new_gp);
map_mfn = smfn;
shadow_idx = shadow_index(&map_mfn, guest_idx);
@@ -2737,7 +2737,7 @@ static int sh_page_fault(struct vcpu *v,
&& shadow_vcpu_mode_translate(v)
&& mmio_space(gfn_to_paddr(gfn)));
- if ( !mmio && !valid_mfn(gmfn) )
+ if ( !mmio && !mfn_valid(gmfn) )
{
perfc_incrc(shadow_fault_bail_bad_gfn);
SHADOW_PRINTK("BAD gfn=%"SH_PRI_gfn" gmfn=%"SH_PRI_mfn"\n",
@@ -3302,7 +3302,7 @@ sh_set_toplevel_shadow(struct vcpu *v,
old_entry = v->arch.shadow_table[slot];
/* Now figure out the new contents: is this a valid guest MFN? */
- if ( !valid_mfn(gmfn) )
+ if ( !mfn_valid(gmfn) )
{
new_entry = pagetable_null();
goto install_new_entry;
@@ -3310,14 +3310,14 @@ sh_set_toplevel_shadow(struct vcpu *v,
/* Guest mfn is valid: shadow it and install the shadow */
smfn = get_shadow_status(v, gmfn, root_type);
- if ( !valid_mfn(smfn) )
+ if ( !mfn_valid(smfn) )
{
/* Make sure there's enough free shadow memory. */
shadow_prealloc(d, SHADOW_MAX_ORDER);
/* Shadow the page. */
smfn = sh_make_shadow(v, gmfn, root_type);
}
- ASSERT(valid_mfn(smfn));
+ ASSERT(mfn_valid(smfn));
#if SHADOW_OPTIMIZATIONS & SHOPT_EARLY_UNSHADOW
/* Once again OK to unhook entries from this table if we see fork/exit */
@@ -3390,7 +3390,7 @@ sh_update_cr3(struct vcpu *v)
{
gfn = _gfn(paddr_to_pfn(hvm_get_guest_ctrl_reg(v, 3)));
gmfn = vcpu_gfn_to_mfn(v, gfn);
- ASSERT(valid_mfn(gmfn));
+ ASSERT(mfn_valid(gmfn));
ASSERT(pagetable_get_pfn(v->arch.guest_table) == mfn_x(gmfn));
}
else
@@ -3831,7 +3831,7 @@ static inline void * emulate_map_dest(st
/* Attempted a write to a bad gfn? This should never happen:
* after all, we're here because this write is to a page table. */
- BUG_ON(!valid_mfn(mfn));
+ BUG_ON(!mfn_valid(mfn));
ASSERT(sh_mfn_is_a_page_table(mfn));
*mfnp = mfn;
diff -r 658b9c47db98 -r b4baf35cff11 xen/arch/x86/mm/shadow/private.h
--- a/xen/arch/x86/mm/shadow/private.h Tue Nov 28 09:39:32 2006 +0000
+++ b/xen/arch/x86/mm/shadow/private.h Tue Nov 28 09:51:05 2006 +0000
@@ -374,7 +374,7 @@ sh_mfn_is_a_page_table(mfn_t gmfn)
struct domain *owner;
unsigned long type_info;
- if ( !valid_mfn(gmfn) )
+ if ( !mfn_valid(gmfn) )
return 0;
owner = page_get_owner(page);
diff -r 658b9c47db98 -r b4baf35cff11 xen/include/asm-x86/shadow.h
--- a/xen/include/asm-x86/shadow.h Tue Nov 28 09:39:32 2006 +0000
+++ b/xen/include/asm-x86/shadow.h Tue Nov 28 09:51:05 2006 +0000
@@ -214,12 +214,6 @@ static inline _type _name##_x(_name##_t
TYPE_SAFE(unsigned long,mfn)
#define SH_PRI_mfn "05lx"
-
-static inline int
-valid_mfn(mfn_t m)
-{
- return mfn_valid(mfn_x(m));
-}
static inline mfn_t
pagetable_get_mfn(pagetable_t pt)
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