The patch titled
Subject: hlist-drop-the-node-parameter-from-iterators-redo-kvm
has been added to the -mm tree. Its filename is
hlist-drop-the-node-parameter-from-iterators-redo-kvm.patch
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: hlist-drop-the-node-parameter-from-iterators-redo-kvm
Redo intrusive kvm changes
Cc: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Cc: Gleb Natapov <gleb@xxxxxxxxxx>
Cc: Sasha Levin <sasha.levin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kvm/mmu.c | 26 ++++++++++----------------
1 file changed, 10 insertions(+), 16 deletions(-)
diff -puN arch/x86/kvm/mmu.c~hlist-drop-the-node-parameter-from-iterators-redo-kvm arch/x86/kvm/mmu.c
--- a/arch/x86/kvm/mmu.c~hlist-drop-the-node-parameter-from-iterators-redo-kvm
+++ a/arch/x86/kvm/mmu.c
@@ -1658,13 +1658,13 @@ static int kvm_mmu_prepare_zap_page(stru
static void kvm_mmu_commit_zap_page(struct kvm *kvm,
struct list_head *invalid_list);
-#define for_each_gfn_sp(kvm, sp, gfn, pos) \
- hlist_for_each_entry(sp, pos, \
+#define for_each_gfn_sp(kvm, sp, gfn) \
+ hlist_for_each_entry(sp, \
&(kvm)->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)], hash_link) \
if ((sp)->gfn != (gfn)) {} else
-#define for_each_gfn_indirect_valid_sp(kvm, sp, gfn, pos) \
- hlist_for_each_entry(sp, pos, \
+#define for_each_gfn_indirect_valid_sp(kvm, sp, gfn) \
+ hlist_for_each_entry(sp, \
&(kvm)->arch.mmu_page_hash[kvm_page_table_hashfn(gfn)], hash_link) \
if ((sp)->gfn != (gfn) || (sp)->role.direct || \
(sp)->role.invalid) {} else
@@ -1720,11 +1720,10 @@ static int kvm_sync_page(struct kvm_vcpu
static void kvm_sync_pages(struct kvm_vcpu *vcpu, gfn_t gfn)
{
struct kvm_mmu_page *s;
- struct hlist_node *node;
LIST_HEAD(invalid_list);
bool flush = false;
- for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn, node) {
+ for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (!s->unsync)
continue;
@@ -1862,7 +1861,6 @@ static struct kvm_mmu_page *kvm_mmu_get_
union kvm_mmu_page_role role;
unsigned quadrant;
struct kvm_mmu_page *sp;
- struct hlist_node *node;
bool need_sync = false;
role = vcpu->arch.mmu.base_role;
@@ -1877,7 +1875,7 @@ static struct kvm_mmu_page *kvm_mmu_get_
quadrant &= (1 << ((PT32_PT_BITS - PT64_PT_BITS) * level)) - 1;
role.quadrant = quadrant;
}
- for_each_gfn_sp(vcpu->kvm, sp, gfn, node) {
+ for_each_gfn_sp(vcpu->kvm, sp, gfn) {
if (!need_sync && sp->unsync)
need_sync = true;
@@ -2166,14 +2164,13 @@ void kvm_mmu_change_mmu_pages(struct kvm
int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
{
struct kvm_mmu_page *sp;
- struct hlist_node *node;
LIST_HEAD(invalid_list);
int r;
pgprintk("%s: looking for gfn %llx\n", __func__, gfn);
r = 0;
spin_lock(&kvm->mmu_lock);
- for_each_gfn_indirect_valid_sp(kvm, sp, gfn, node) {
+ for_each_gfn_indirect_valid_sp(kvm, sp, gfn) {
pgprintk("%s: gfn %llx role %x\n", __func__, gfn,
sp->role.word);
r = 1;
@@ -2303,9 +2300,8 @@ static void __kvm_unsync_page(struct kvm
static void kvm_unsync_pages(struct kvm_vcpu *vcpu, gfn_t gfn)
{
struct kvm_mmu_page *s;
- struct hlist_node *node;
- for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn, node) {
+ for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (s->unsync)
continue;
WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL);
@@ -2317,10 +2313,9 @@ static int mmu_need_write_protect(struct
bool can_unsync)
{
struct kvm_mmu_page *s;
- struct hlist_node *node;
bool need_unsync = false;
- for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn, node) {
+ for_each_gfn_indirect_valid_sp(vcpu->kvm, s, gfn) {
if (!can_unsync)
return 1;
@@ -3955,7 +3950,6 @@ void kvm_mmu_pte_write(struct kvm_vcpu *
gfn_t gfn = gpa >> PAGE_SHIFT;
union kvm_mmu_page_role mask = { .word = 0 };
struct kvm_mmu_page *sp;
- struct hlist_node *node;
LIST_HEAD(invalid_list);
u64 entry, gentry, *spte;
int npte;
@@ -3986,7 +3980,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *
kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE);
mask.cr0_wp = mask.cr4_pae = mask.nxe = 1;
- for_each_gfn_indirect_valid_sp(vcpu->kvm, sp, gfn, node) {
+ for_each_gfn_indirect_valid_sp(vcpu->kvm, sp, gfn) {
if (detect_write_misaligned(sp, gpa, bytes) ||
detect_write_flooding(sp)) {
zap_page |= !!kvm_mmu_prepare_zap_page(vcpu->kvm, sp,
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
hlist-drop-the-node-parameter-from-iterators-redo-kvm.patch
--
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