The patch titled
Subject: kvm: rename pfn_t to kvm_pfn_t
has been added to the -mm tree. Its filename is
kvm-rename-pfn_t-to-kvm_pfn_t.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kvm-rename-pfn_t-to-kvm_pfn_t.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kvm-rename-pfn_t-to-kvm_pfn_t.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Dan Williams <dan.j.williams@xxxxxxxxx>
Subject: kvm: rename pfn_t to kvm_pfn_t
The core has developed a need for a "pfn_t" type [1]. Move the existing
pfn_t in KVM to kvm_pfn_t [2].
[1]: https://lists.01.org/pipermail/linux-nvdimm/2015-September/002199.html
[2]: https://lists.01.org/pipermail/linux-nvdimm/2015-September/002218.html
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Acked-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/include/asm/kvm_mmu.h | 5 +-
arch/arm/kvm/mmu.c | 10 ++---
arch/arm64/include/asm/kvm_mmu.h | 3 +
arch/mips/include/asm/kvm_host.h | 6 +--
arch/mips/kvm/emulate.c | 2 -
arch/mips/kvm/tlb.c | 14 +++----
arch/powerpc/include/asm/kvm_book3s.h | 4 +-
arch/powerpc/include/asm/kvm_ppc.h | 2 -
arch/powerpc/kvm/book3s.c | 6 +--
arch/powerpc/kvm/book3s_32_mmu_host.c | 2 -
arch/powerpc/kvm/book3s_64_mmu_host.c | 2 -
arch/powerpc/kvm/e500.h | 2 -
arch/powerpc/kvm/e500_mmu_host.c | 8 ++--
arch/powerpc/kvm/trace_pr.h | 2 -
arch/x86/kvm/iommu.c | 11 +++--
arch/x86/kvm/mmu.c | 37 +++++++++---------
arch/x86/kvm/mmu_audit.c | 2 -
arch/x86/kvm/paging_tmpl.h | 6 +--
arch/x86/kvm/vmx.c | 2 -
arch/x86/kvm/x86.c | 2 -
include/linux/kvm_host.h | 39 ++++++++++---------
include/linux/kvm_types.h | 2 -
virt/kvm/kvm_main.c | 47 ++++++++++++------------
23 files changed, 111 insertions(+), 105 deletions(-)
diff -puN arch/arm/include/asm/kvm_mmu.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/arm/include/asm/kvm_mmu.h
--- a/arch/arm/include/asm/kvm_mmu.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/arm/include/asm/kvm_mmu.h
@@ -182,7 +182,8 @@ static inline bool vcpu_has_cache_enable
return (vcpu->arch.cp15[c1_SCTLR] & 0b101) == 0b101;
}
-static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
+static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,
+ kvm_pfn_t pfn,
unsigned long size,
bool ipa_uncached)
{
@@ -246,7 +247,7 @@ static inline void __kvm_flush_dcache_pt
static inline void __kvm_flush_dcache_pmd(pmd_t pmd)
{
unsigned long size = PMD_SIZE;
- pfn_t pfn = pmd_pfn(pmd);
+ kvm_pfn_t pfn = pmd_pfn(pmd);
while (size) {
void *va = kmap_atomic_pfn(pfn);
diff -puN arch/arm/kvm/mmu.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/arm/kvm/mmu.c
--- a/arch/arm/kvm/mmu.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/arm/kvm/mmu.c
@@ -992,9 +992,9 @@ out:
return ret;
}
-static bool transparent_hugepage_adjust(pfn_t *pfnp, phys_addr_t *ipap)
+static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap)
{
- pfn_t pfn = *pfnp;
+ kvm_pfn_t pfn = *pfnp;
gfn_t gfn = *ipap >> PAGE_SHIFT;
if (PageTransCompound(pfn_to_page(pfn))) {
@@ -1201,7 +1201,7 @@ void kvm_arch_mmu_enable_log_dirty_pt_ma
kvm_mmu_write_protect_pt_masked(kvm, slot, gfn_offset, mask);
}
-static void coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
+static void coherent_cache_guest_page(struct kvm_vcpu *vcpu, kvm_pfn_t pfn,
unsigned long size, bool uncached)
{
__coherent_cache_guest_page(vcpu, pfn, size, uncached);
@@ -1218,7 +1218,7 @@ static int user_mem_abort(struct kvm_vcp
struct kvm *kvm = vcpu->kvm;
struct kvm_mmu_memory_cache *memcache = &vcpu->arch.mmu_page_cache;
struct vm_area_struct *vma;
- pfn_t pfn;
+ kvm_pfn_t pfn;
pgprot_t mem_type = PAGE_S2;
bool fault_ipa_uncached;
bool logging_active = memslot_is_logging(memslot);
@@ -1346,7 +1346,7 @@ static void handle_access_fault(struct k
{
pmd_t *pmd;
pte_t *pte;
- pfn_t pfn;
+ kvm_pfn_t pfn;
bool pfn_valid = false;
trace_kvm_access_fault(fault_ipa);
diff -puN arch/arm64/include/asm/kvm_mmu.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/arm64/include/asm/kvm_mmu.h
--- a/arch/arm64/include/asm/kvm_mmu.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/arm64/include/asm/kvm_mmu.h
@@ -230,7 +230,8 @@ static inline bool vcpu_has_cache_enable
return (vcpu_sys_reg(vcpu, SCTLR_EL1) & 0b101) == 0b101;
}
-static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu, pfn_t pfn,
+static inline void __coherent_cache_guest_page(struct kvm_vcpu *vcpu,
+ kvm_pfn_t pfn,
unsigned long size,
bool ipa_uncached)
{
diff -puN arch/mips/include/asm/kvm_host.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/mips/include/asm/kvm_host.h
--- a/arch/mips/include/asm/kvm_host.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/mips/include/asm/kvm_host.h
@@ -101,9 +101,9 @@
#define CAUSEF_DC (_ULCAST_(1) << 27)
extern atomic_t kvm_mips_instance;
-extern pfn_t(*kvm_mips_gfn_to_pfn) (struct kvm *kvm, gfn_t gfn);
-extern void (*kvm_mips_release_pfn_clean) (pfn_t pfn);
-extern bool(*kvm_mips_is_error_pfn) (pfn_t pfn);
+extern kvm_pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn);
+extern void (*kvm_mips_release_pfn_clean)(kvm_pfn_t pfn);
+extern bool (*kvm_mips_is_error_pfn)(kvm_pfn_t pfn);
struct kvm_vm_stat {
u32 remote_tlb_flush;
diff -puN arch/mips/kvm/emulate.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/mips/kvm/emulate.c
--- a/arch/mips/kvm/emulate.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/mips/kvm/emulate.c
@@ -1525,7 +1525,7 @@ int kvm_mips_sync_icache(unsigned long v
struct kvm *kvm = vcpu->kvm;
unsigned long pa;
gfn_t gfn;
- pfn_t pfn;
+ kvm_pfn_t pfn;
gfn = va >> PAGE_SHIFT;
diff -puN arch/mips/kvm/tlb.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/mips/kvm/tlb.c
--- a/arch/mips/kvm/tlb.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/mips/kvm/tlb.c
@@ -38,13 +38,13 @@ atomic_t kvm_mips_instance;
EXPORT_SYMBOL(kvm_mips_instance);
/* These function pointers are initialized once the KVM module is loaded */
-pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn);
+kvm_pfn_t (*kvm_mips_gfn_to_pfn)(struct kvm *kvm, gfn_t gfn);
EXPORT_SYMBOL(kvm_mips_gfn_to_pfn);
-void (*kvm_mips_release_pfn_clean)(pfn_t pfn);
+void (*kvm_mips_release_pfn_clean)(kvm_pfn_t pfn);
EXPORT_SYMBOL(kvm_mips_release_pfn_clean);
-bool (*kvm_mips_is_error_pfn)(pfn_t pfn);
+bool (*kvm_mips_is_error_pfn)(kvm_pfn_t pfn);
EXPORT_SYMBOL(kvm_mips_is_error_pfn);
uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu)
@@ -144,7 +144,7 @@ EXPORT_SYMBOL(kvm_mips_dump_guest_tlbs);
static int kvm_mips_map_page(struct kvm *kvm, gfn_t gfn)
{
int srcu_idx, err = 0;
- pfn_t pfn;
+ kvm_pfn_t pfn;
if (kvm->arch.guest_pmap[gfn] != KVM_INVALID_PAGE)
return 0;
@@ -262,7 +262,7 @@ int kvm_mips_handle_kseg0_tlb_fault(unsi
struct kvm_vcpu *vcpu)
{
gfn_t gfn;
- pfn_t pfn0, pfn1;
+ kvm_pfn_t pfn0, pfn1;
unsigned long vaddr = 0;
unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0;
int even;
@@ -313,7 +313,7 @@ EXPORT_SYMBOL(kvm_mips_handle_kseg0_tlb_
int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr,
struct kvm_vcpu *vcpu)
{
- pfn_t pfn0, pfn1;
+ kvm_pfn_t pfn0, pfn1;
unsigned long flags, old_entryhi = 0, vaddr = 0;
unsigned long entrylo0 = 0, entrylo1 = 0;
@@ -360,7 +360,7 @@ int kvm_mips_handle_mapped_seg_tlb_fault
{
unsigned long entryhi = 0, entrylo0 = 0, entrylo1 = 0;
struct kvm *kvm = vcpu->kvm;
- pfn_t pfn0, pfn1;
+ kvm_pfn_t pfn0, pfn1;
if ((tlb->tlb_hi & VPN2_MASK) == 0) {
pfn0 = 0;
diff -puN arch/powerpc/include/asm/kvm_book3s.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/include/asm/kvm_book3s.h
--- a/arch/powerpc/include/asm/kvm_book3s.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/include/asm/kvm_book3s.h
@@ -154,8 +154,8 @@ extern void kvmppc_set_bat(struct kvm_vc
bool upper, u32 val);
extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
-extern pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
- bool *writable);
+extern kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa,
+ bool writing, bool *writable);
extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev,
unsigned long *rmap, long pte_index, int realmode);
extern void kvmppc_update_rmap_change(unsigned long *rmap, unsigned long psize);
diff -puN arch/powerpc/include/asm/kvm_ppc.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/include/asm/kvm_ppc.h
--- a/arch/powerpc/include/asm/kvm_ppc.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/include/asm/kvm_ppc.h
@@ -515,7 +515,7 @@ void kvmppc_claim_lpid(long lpid);
void kvmppc_free_lpid(long lpid);
void kvmppc_init_lpid(unsigned long nr_lpids);
-static inline void kvmppc_mmu_flush_icache(pfn_t pfn)
+static inline void kvmppc_mmu_flush_icache(kvm_pfn_t pfn)
{
struct page *page;
/*
diff -puN arch/powerpc/kvm/book3s.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/kvm/book3s.c
--- a/arch/powerpc/kvm/book3s.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/kvm/book3s.c
@@ -366,7 +366,7 @@ int kvmppc_core_prepare_to_enter(struct
}
EXPORT_SYMBOL_GPL(kvmppc_core_prepare_to_enter);
-pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
+kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
bool *writable)
{
ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM;
@@ -379,9 +379,9 @@ pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu
gpa &= ~0xFFFULL;
if (unlikely(mp_pa) && unlikely((gpa & KVM_PAM) == mp_pa)) {
ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
- pfn_t pfn;
+ kvm_pfn_t pfn;
- pfn = (pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
+ pfn = (kvm_pfn_t)virt_to_phys((void*)shared_page) >> PAGE_SHIFT;
get_page(pfn_to_page(pfn));
if (writable)
*writable = true;
diff -puN arch/powerpc/kvm/book3s_32_mmu_host.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/kvm/book3s_32_mmu_host.c
--- a/arch/powerpc/kvm/book3s_32_mmu_host.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/kvm/book3s_32_mmu_host.c
@@ -142,7 +142,7 @@ extern char etext[];
int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte,
bool iswrite)
{
- pfn_t hpaddr;
+ kvm_pfn_t hpaddr;
u64 vpn;
u64 vsid;
struct kvmppc_sid_map *map;
diff -puN arch/powerpc/kvm/book3s_64_mmu_host.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/kvm/book3s_64_mmu_host.c
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -83,7 +83,7 @@ int kvmppc_mmu_map_page(struct kvm_vcpu
bool iswrite)
{
unsigned long vpn;
- pfn_t hpaddr;
+ kvm_pfn_t hpaddr;
ulong hash, hpteg;
u64 vsid;
int ret;
diff -puN arch/powerpc/kvm/e500.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/kvm/e500.h
--- a/arch/powerpc/kvm/e500.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/kvm/e500.h
@@ -41,7 +41,7 @@ enum vcpu_ftr {
#define E500_TLB_MAS2_ATTR (0x7f)
struct tlbe_ref {
- pfn_t pfn; /* valid only for TLB0, except briefly */
+ kvm_pfn_t pfn; /* valid only for TLB0, except briefly */
unsigned int flags; /* E500_TLB_* */
};
diff -puN arch/powerpc/kvm/e500_mmu_host.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/kvm/e500_mmu_host.c
--- a/arch/powerpc/kvm/e500_mmu_host.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/kvm/e500_mmu_host.c
@@ -163,9 +163,9 @@ void kvmppc_map_magic(struct kvm_vcpu *v
struct kvm_book3e_206_tlb_entry magic;
ulong shared_page = ((ulong)vcpu->arch.shared) & PAGE_MASK;
unsigned int stid;
- pfn_t pfn;
+ kvm_pfn_t pfn;
- pfn = (pfn_t)virt_to_phys((void *)shared_page) >> PAGE_SHIFT;
+ pfn = (kvm_pfn_t)virt_to_phys((void *)shared_page) >> PAGE_SHIFT;
get_page(pfn_to_page(pfn));
preempt_disable();
@@ -246,7 +246,7 @@ static inline int tlbe_is_writable(struc
static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
struct kvm_book3e_206_tlb_entry *gtlbe,
- pfn_t pfn, unsigned int wimg)
+ kvm_pfn_t pfn, unsigned int wimg)
{
ref->pfn = pfn;
ref->flags = E500_TLB_VALID;
@@ -309,7 +309,7 @@ static void kvmppc_e500_setup_stlbe(
int tsize, struct tlbe_ref *ref, u64 gvaddr,
struct kvm_book3e_206_tlb_entry *stlbe)
{
- pfn_t pfn = ref->pfn;
+ kvm_pfn_t pfn = ref->pfn;
u32 pr = vcpu->arch.shared->msr & MSR_PR;
BUG_ON(!(ref->flags & E500_TLB_VALID));
diff -puN arch/powerpc/kvm/trace_pr.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/powerpc/kvm/trace_pr.h
--- a/arch/powerpc/kvm/trace_pr.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/powerpc/kvm/trace_pr.h
@@ -30,7 +30,7 @@ TRACE_EVENT(kvm_book3s_reenter,
#ifdef CONFIG_PPC_BOOK3S_64
TRACE_EVENT(kvm_book3s_64_mmu_map,
- TP_PROTO(int rflags, ulong hpteg, ulong va, pfn_t hpaddr,
+ TP_PROTO(int rflags, ulong hpteg, ulong va, kvm_pfn_t hpaddr,
struct kvmppc_pte *orig_pte),
TP_ARGS(rflags, hpteg, va, hpaddr, orig_pte),
diff -puN arch/x86/kvm/iommu.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/x86/kvm/iommu.c
--- a/arch/x86/kvm/iommu.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/x86/kvm/iommu.c
@@ -43,11 +43,11 @@ static int kvm_iommu_unmap_memslots(stru
static void kvm_iommu_put_pages(struct kvm *kvm,
gfn_t base_gfn, unsigned long npages);
-static pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
+static kvm_pfn_t kvm_pin_pages(struct kvm_memory_slot *slot, gfn_t gfn,
unsigned long npages)
{
gfn_t end_gfn;
- pfn_t pfn;
+ kvm_pfn_t pfn;
pfn = gfn_to_pfn_memslot(slot, gfn);
end_gfn = gfn + npages;
@@ -62,7 +62,8 @@ static pfn_t kvm_pin_pages(struct kvm_me
return pfn;
}
-static void kvm_unpin_pages(struct kvm *kvm, pfn_t pfn, unsigned long npages)
+static void kvm_unpin_pages(struct kvm *kvm, kvm_pfn_t pfn,
+ unsigned long npages)
{
unsigned long i;
@@ -73,7 +74,7 @@ static void kvm_unpin_pages(struct kvm *
int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
{
gfn_t gfn, end_gfn;
- pfn_t pfn;
+ kvm_pfn_t pfn;
int r = 0;
struct iommu_domain *domain = kvm->arch.iommu_domain;
int flags;
@@ -275,7 +276,7 @@ static void kvm_iommu_put_pages(struct k
{
struct iommu_domain *domain;
gfn_t end_gfn, gfn;
- pfn_t pfn;
+ kvm_pfn_t pfn;
u64 phys;
domain = kvm->arch.iommu_domain;
diff -puN arch/x86/kvm/mmu.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/x86/kvm/mmu.c
--- a/arch/x86/kvm/mmu.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/x86/kvm/mmu.c
@@ -259,7 +259,7 @@ static unsigned get_mmio_spte_access(u64
}
static bool set_mmio_spte(struct kvm_vcpu *vcpu, u64 *sptep, gfn_t gfn,
- pfn_t pfn, unsigned access)
+ kvm_pfn_t pfn, unsigned access)
{
if (unlikely(is_noslot_pfn(pfn))) {
mark_mmio_spte(vcpu, sptep, gfn, access);
@@ -325,7 +325,7 @@ static int is_last_spte(u64 pte, int lev
return 0;
}
-static pfn_t spte_to_pfn(u64 pte)
+static kvm_pfn_t spte_to_pfn(u64 pte)
{
return (pte & PT64_BASE_ADDR_MASK) >> PAGE_SHIFT;
}
@@ -587,7 +587,7 @@ static bool mmu_spte_update(u64 *sptep,
*/
static int mmu_spte_clear_track_bits(u64 *sptep)
{
- pfn_t pfn;
+ kvm_pfn_t pfn;
u64 old_spte = *sptep;
if (!spte_has_volatile_bits(old_spte))
@@ -1389,7 +1389,7 @@ static int kvm_set_pte_rmapp(struct kvm
int need_flush = 0;
u64 new_spte;
pte_t *ptep = (pte_t *)data;
- pfn_t new_pfn;
+ kvm_pfn_t new_pfn;
WARN_ON(pte_huge(*ptep));
new_pfn = pte_pfn(*ptep);
@@ -2476,7 +2476,7 @@ static int mmu_need_write_protect(struct
return 0;
}
-static bool kvm_is_mmio_pfn(pfn_t pfn)
+static bool kvm_is_mmio_pfn(kvm_pfn_t pfn)
{
if (pfn_valid(pfn))
return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn));
@@ -2486,7 +2486,7 @@ static bool kvm_is_mmio_pfn(pfn_t pfn)
static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
unsigned pte_access, int level,
- gfn_t gfn, pfn_t pfn, bool speculative,
+ gfn_t gfn, kvm_pfn_t pfn, bool speculative,
bool can_unsync, bool host_writable)
{
u64 spte;
@@ -2566,7 +2566,7 @@ done:
static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
unsigned pte_access, int write_fault, int *emulate,
- int level, gfn_t gfn, pfn_t pfn, bool speculative,
+ int level, gfn_t gfn, kvm_pfn_t pfn, bool speculative,
bool host_writable)
{
int was_rmapped = 0;
@@ -2626,7 +2626,7 @@ static void mmu_set_spte(struct kvm_vcpu
kvm_release_pfn_clean(pfn);
}
-static pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
+static kvm_pfn_t pte_prefetch_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn,
bool no_dirty_log)
{
struct kvm_memory_slot *slot;
@@ -2709,7 +2709,7 @@ static void direct_pte_prefetch(struct k
}
static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
- int map_writable, int level, gfn_t gfn, pfn_t pfn,
+ int map_writable, int level, gfn_t gfn, kvm_pfn_t pfn,
bool prefault)
{
struct kvm_shadow_walk_iterator iterator;
@@ -2759,7 +2759,7 @@ static void kvm_send_hwpoison_signal(uns
send_sig_info(SIGBUS, &info, tsk);
}
-static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, pfn_t pfn)
+static int kvm_handle_bad_page(struct kvm_vcpu *vcpu, gfn_t gfn, kvm_pfn_t pfn)
{
/*
* Do not cache the mmio info caused by writing the readonly gfn
@@ -2779,9 +2779,10 @@ static int kvm_handle_bad_page(struct kv
}
static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu,
- gfn_t *gfnp, pfn_t *pfnp, int *levelp)
+ gfn_t *gfnp, kvm_pfn_t *pfnp,
+ int *levelp)
{
- pfn_t pfn = *pfnp;
+ kvm_pfn_t pfn = *pfnp;
gfn_t gfn = *gfnp;
int level = *levelp;
@@ -2820,7 +2821,7 @@ static void transparent_hugepage_adjust(
}
static bool handle_abnormal_pfn(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn,
- pfn_t pfn, unsigned access, int *ret_val)
+ kvm_pfn_t pfn, unsigned access, int *ret_val)
{
bool ret = true;
@@ -2974,7 +2975,7 @@ exit:
}
static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
- gva_t gva, pfn_t *pfn, bool write, bool *writable);
+ gva_t gva, kvm_pfn_t *pfn, bool write, bool *writable);
static void make_mmu_pages_available(struct kvm_vcpu *vcpu);
static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, u32 error_code,
@@ -2983,7 +2984,7 @@ static int nonpaging_map(struct kvm_vcpu
int r;
int level;
bool force_pt_level = false;
- pfn_t pfn;
+ kvm_pfn_t pfn;
unsigned long mmu_seq;
bool map_writable, write = error_code & PFERR_WRITE_MASK;
@@ -3443,7 +3444,7 @@ static bool can_do_async_pf(struct kvm_v
}
static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
- gva_t gva, pfn_t *pfn, bool write, bool *writable)
+ gva_t gva, kvm_pfn_t *pfn, bool write, bool *writable)
{
struct kvm_memory_slot *slot;
bool async;
@@ -3481,7 +3482,7 @@ check_hugepage_cache_consistency(struct
static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code,
bool prefault)
{
- pfn_t pfn;
+ kvm_pfn_t pfn;
int r;
int level;
bool force_pt_level;
@@ -4632,7 +4633,7 @@ static bool kvm_mmu_zap_collapsible_spte
u64 *sptep;
struct rmap_iterator iter;
int need_tlb_flush = 0;
- pfn_t pfn;
+ kvm_pfn_t pfn;
struct kvm_mmu_page *sp;
restart:
diff -puN arch/x86/kvm/mmu_audit.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/x86/kvm/mmu_audit.c
--- a/arch/x86/kvm/mmu_audit.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/x86/kvm/mmu_audit.c
@@ -97,7 +97,7 @@ static void audit_mappings(struct kvm_vc
{
struct kvm_mmu_page *sp;
gfn_t gfn;
- pfn_t pfn;
+ kvm_pfn_t pfn;
hpa_t hpa;
sp = page_header(__pa(sptep));
diff -puN arch/x86/kvm/paging_tmpl.h~kvm-rename-pfn_t-to-kvm_pfn_t arch/x86/kvm/paging_tmpl.h
--- a/arch/x86/kvm/paging_tmpl.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/x86/kvm/paging_tmpl.h
@@ -456,7 +456,7 @@ FNAME(prefetch_gpte)(struct kvm_vcpu *vc
{
unsigned pte_access;
gfn_t gfn;
- pfn_t pfn;
+ kvm_pfn_t pfn;
if (FNAME(prefetch_invalid_gpte)(vcpu, sp, spte, gpte))
return false;
@@ -551,7 +551,7 @@ static void FNAME(pte_prefetch)(struct k
static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
struct guest_walker *gw,
int write_fault, int hlevel,
- pfn_t pfn, bool map_writable, bool prefault)
+ kvm_pfn_t pfn, bool map_writable, bool prefault)
{
struct kvm_mmu_page *sp = NULL;
struct kvm_shadow_walk_iterator it;
@@ -696,7 +696,7 @@ static int FNAME(page_fault)(struct kvm_
int user_fault = error_code & PFERR_USER_MASK;
struct guest_walker walker;
int r;
- pfn_t pfn;
+ kvm_pfn_t pfn;
int level = PT_PAGE_TABLE_LEVEL;
bool force_pt_level = false;
unsigned long mmu_seq;
diff -puN arch/x86/kvm/vmx.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/x86/kvm/vmx.c
--- a/arch/x86/kvm/vmx.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/x86/kvm/vmx.c
@@ -4186,7 +4186,7 @@ out:
static int init_rmode_identity_map(struct kvm *kvm)
{
int i, idx, r = 0;
- pfn_t identity_map_pfn;
+ kvm_pfn_t identity_map_pfn;
u32 tmp;
if (!enable_ept)
diff -puN arch/x86/kvm/x86.c~kvm-rename-pfn_t-to-kvm_pfn_t arch/x86/kvm/x86.c
--- a/arch/x86/kvm/x86.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/arch/x86/kvm/x86.c
@@ -5101,7 +5101,7 @@ static bool reexecute_instruction(struct
int emulation_type)
{
gpa_t gpa = cr2;
- pfn_t pfn;
+ kvm_pfn_t pfn;
if (emulation_type & EMULTYPE_NO_REEXECUTE)
return false;
diff -puN include/linux/kvm_host.h~kvm-rename-pfn_t-to-kvm_pfn_t include/linux/kvm_host.h
--- a/include/linux/kvm_host.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/include/linux/kvm_host.h
@@ -66,7 +66,7 @@
* error pfns indicate that the gfn is in slot but faild to
* translate it to pfn on host.
*/
-static inline bool is_error_pfn(pfn_t pfn)
+static inline bool is_error_pfn(kvm_pfn_t pfn)
{
return !!(pfn & KVM_PFN_ERR_MASK);
}
@@ -76,13 +76,13 @@ static inline bool is_error_pfn(pfn_t pf
* translated to pfn - it is not in slot or failed to
* translate it to pfn.
*/
-static inline bool is_error_noslot_pfn(pfn_t pfn)
+static inline bool is_error_noslot_pfn(kvm_pfn_t pfn)
{
return !!(pfn & KVM_PFN_ERR_NOSLOT_MASK);
}
/* noslot pfn indicates that the gfn is not in slot. */
-static inline bool is_noslot_pfn(pfn_t pfn)
+static inline bool is_noslot_pfn(kvm_pfn_t pfn)
{
return pfn == KVM_PFN_NOSLOT;
}
@@ -602,19 +602,20 @@ void kvm_release_page_clean(struct page
void kvm_release_page_dirty(struct page *page);
void kvm_set_page_accessed(struct page *page);
-pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
-pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
-pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
+kvm_pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
+kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
+kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
bool *writable);
-pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn);
-pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn);
-pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic,
- bool *async, bool write_fault, bool *writable);
-
-void kvm_release_pfn_clean(pfn_t pfn);
-void kvm_set_pfn_dirty(pfn_t pfn);
-void kvm_set_pfn_accessed(pfn_t pfn);
-void kvm_get_pfn(pfn_t pfn);
+kvm_pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn);
+kvm_pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn);
+kvm_pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn,
+ bool atomic, bool *async, bool write_fault,
+ bool *writable);
+
+void kvm_release_pfn_clean(kvm_pfn_t pfn);
+void kvm_set_pfn_dirty(kvm_pfn_t pfn);
+void kvm_set_pfn_accessed(kvm_pfn_t pfn);
+void kvm_get_pfn(kvm_pfn_t pfn);
int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
int len);
@@ -640,8 +641,8 @@ void mark_page_dirty(struct kvm *kvm, gf
struct kvm_memslots *kvm_vcpu_memslots(struct kvm_vcpu *vcpu);
struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn);
-pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn);
-pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
+kvm_pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn);
+kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn);
unsigned long kvm_vcpu_gfn_to_hva(struct kvm_vcpu *vcpu, gfn_t gfn);
unsigned long kvm_vcpu_gfn_to_hva_prot(struct kvm_vcpu *vcpu, gfn_t gfn, bool *writable);
@@ -824,7 +825,7 @@ void kvm_arch_sync_events(struct kvm *kv
int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
-bool kvm_is_reserved_pfn(pfn_t pfn);
+bool kvm_is_reserved_pfn(kvm_pfn_t pfn);
struct kvm_irq_ack_notifier {
struct hlist_node link;
@@ -978,7 +979,7 @@ static inline gfn_t gpa_to_gfn(gpa_t gpa
return (gfn_t)(gpa >> PAGE_SHIFT);
}
-static inline hpa_t pfn_to_hpa(pfn_t pfn)
+static inline hpa_t pfn_to_hpa(kvm_pfn_t pfn)
{
return (hpa_t)pfn << PAGE_SHIFT;
}
diff -puN include/linux/kvm_types.h~kvm-rename-pfn_t-to-kvm_pfn_t include/linux/kvm_types.h
--- a/include/linux/kvm_types.h~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/include/linux/kvm_types.h
@@ -53,7 +53,7 @@ typedef unsigned long hva_t;
typedef u64 hpa_t;
typedef u64 hfn_t;
-typedef hfn_t pfn_t;
+typedef hfn_t kvm_pfn_t;
struct gfn_to_hva_cache {
u64 generation;
diff -puN virt/kvm/kvm_main.c~kvm-rename-pfn_t-to-kvm_pfn_t virt/kvm/kvm_main.c
--- a/virt/kvm/kvm_main.c~kvm-rename-pfn_t-to-kvm_pfn_t
+++ a/virt/kvm/kvm_main.c
@@ -111,7 +111,7 @@ static void hardware_disable_all(void);
static void kvm_io_bus_destroy(struct kvm_io_bus *bus);
-static void kvm_release_pfn_dirty(pfn_t pfn);
+static void kvm_release_pfn_dirty(kvm_pfn_t pfn);
static void mark_page_dirty_in_slot(struct kvm_memory_slot *memslot, gfn_t gfn);
__visible bool kvm_rebooting;
@@ -119,7 +119,7 @@ EXPORT_SYMBOL_GPL(kvm_rebooting);
static bool largepages_enabled = true;
-bool kvm_is_reserved_pfn(pfn_t pfn)
+bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
{
if (pfn_valid(pfn))
return PageReserved(pfn_to_page(pfn));
@@ -1299,7 +1299,7 @@ static inline int check_user_page_hwpois
* true indicates success, otherwise false is returned.
*/
static bool hva_to_pfn_fast(unsigned long addr, bool atomic, bool *async,
- bool write_fault, bool *writable, pfn_t *pfn)
+ bool write_fault, bool *writable, kvm_pfn_t *pfn)
{
struct page *page[1];
int npages;
@@ -1332,7 +1332,7 @@ static bool hva_to_pfn_fast(unsigned lon
* 1 indicates success, -errno is returned if error is detected.
*/
static int hva_to_pfn_slow(unsigned long addr, bool *async, bool write_fault,
- bool *writable, pfn_t *pfn)
+ bool *writable, kvm_pfn_t *pfn)
{
struct page *page[1];
int npages = 0;
@@ -1396,11 +1396,11 @@ static bool vma_is_valid(struct vm_area_
* 2): @write_fault = false && @writable, @writable will tell the caller
* whether the mapping is writable.
*/
-static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
+static kvm_pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
bool write_fault, bool *writable)
{
struct vm_area_struct *vma;
- pfn_t pfn = 0;
+ kvm_pfn_t pfn = 0;
int npages;
/* we can do it either atomically or asynchronously, not both */
@@ -1441,8 +1441,9 @@ exit:
return pfn;
}
-pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic,
- bool *async, bool write_fault, bool *writable)
+kvm_pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn,
+ bool atomic, bool *async, bool write_fault,
+ bool *writable)
{
unsigned long addr = __gfn_to_hva_many(slot, gfn, NULL, write_fault);
@@ -1463,7 +1464,7 @@ pfn_t __gfn_to_pfn_memslot(struct kvm_me
}
EXPORT_SYMBOL_GPL(__gfn_to_pfn_memslot);
-pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
+kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
bool *writable)
{
return __gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn, false, NULL,
@@ -1471,37 +1472,37 @@ pfn_t gfn_to_pfn_prot(struct kvm *kvm, g
}
EXPORT_SYMBOL_GPL(gfn_to_pfn_prot);
-pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
+kvm_pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
{
return __gfn_to_pfn_memslot(slot, gfn, false, NULL, true, NULL);
}
EXPORT_SYMBOL_GPL(gfn_to_pfn_memslot);
-pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn)
+kvm_pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn)
{
return __gfn_to_pfn_memslot(slot, gfn, true, NULL, true, NULL);
}
EXPORT_SYMBOL_GPL(gfn_to_pfn_memslot_atomic);
-pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn)
+kvm_pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn)
{
return gfn_to_pfn_memslot_atomic(gfn_to_memslot(kvm, gfn), gfn);
}
EXPORT_SYMBOL_GPL(gfn_to_pfn_atomic);
-pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn)
+kvm_pfn_t kvm_vcpu_gfn_to_pfn_atomic(struct kvm_vcpu *vcpu, gfn_t gfn)
{
return gfn_to_pfn_memslot_atomic(kvm_vcpu_gfn_to_memslot(vcpu, gfn), gfn);
}
EXPORT_SYMBOL_GPL(kvm_vcpu_gfn_to_pfn_atomic);
-pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
+kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
{
return gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn);
}
EXPORT_SYMBOL_GPL(gfn_to_pfn);
-pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn)
+kvm_pfn_t kvm_vcpu_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn)
{
return gfn_to_pfn_memslot(kvm_vcpu_gfn_to_memslot(vcpu, gfn), gfn);
}
@@ -1524,7 +1525,7 @@ int gfn_to_page_many_atomic(struct kvm_m
}
EXPORT_SYMBOL_GPL(gfn_to_page_many_atomic);
-static struct page *kvm_pfn_to_page(pfn_t pfn)
+static struct page *kvm_pfn_to_page(kvm_pfn_t pfn)
{
if (is_error_noslot_pfn(pfn))
return KVM_ERR_PTR_BAD_PAGE;
@@ -1539,7 +1540,7 @@ static struct page *kvm_pfn_to_page(pfn_
struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn)
{
- pfn_t pfn;
+ kvm_pfn_t pfn;
pfn = gfn_to_pfn(kvm, gfn);
@@ -1549,7 +1550,7 @@ EXPORT_SYMBOL_GPL(gfn_to_page);
struct page *kvm_vcpu_gfn_to_page(struct kvm_vcpu *vcpu, gfn_t gfn)
{
- pfn_t pfn;
+ kvm_pfn_t pfn;
pfn = kvm_vcpu_gfn_to_pfn(vcpu, gfn);
@@ -1565,7 +1566,7 @@ void kvm_release_page_clean(struct page
}
EXPORT_SYMBOL_GPL(kvm_release_page_clean);
-void kvm_release_pfn_clean(pfn_t pfn)
+void kvm_release_pfn_clean(kvm_pfn_t pfn)
{
if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn))
put_page(pfn_to_page(pfn));
@@ -1580,13 +1581,13 @@ void kvm_release_page_dirty(struct page
}
EXPORT_SYMBOL_GPL(kvm_release_page_dirty);
-static void kvm_release_pfn_dirty(pfn_t pfn)
+static void kvm_release_pfn_dirty(kvm_pfn_t pfn)
{
kvm_set_pfn_dirty(pfn);
kvm_release_pfn_clean(pfn);
}
-void kvm_set_pfn_dirty(pfn_t pfn)
+void kvm_set_pfn_dirty(kvm_pfn_t pfn)
{
if (!kvm_is_reserved_pfn(pfn)) {
struct page *page = pfn_to_page(pfn);
@@ -1597,14 +1598,14 @@ void kvm_set_pfn_dirty(pfn_t pfn)
}
EXPORT_SYMBOL_GPL(kvm_set_pfn_dirty);
-void kvm_set_pfn_accessed(pfn_t pfn)
+void kvm_set_pfn_accessed(kvm_pfn_t pfn)
{
if (!kvm_is_reserved_pfn(pfn))
mark_page_accessed(pfn_to_page(pfn));
}
EXPORT_SYMBOL_GPL(kvm_set_pfn_accessed);
-void kvm_get_pfn(pfn_t pfn)
+void kvm_get_pfn(kvm_pfn_t pfn)
{
if (!kvm_is_reserved_pfn(pfn))
get_page(pfn_to_page(pfn));
_
Patches currently in -mm which might be from dan.j.williams@xxxxxxxxx are
scatterlist-fix-sg_phys-masking.patch
pmem-dax-clean-up-clear_pmem.patch
dax-increase-granularity-of-dax_clear_blocks-operations.patch
dax-guarantee-page-aligned-results-from-bdev_direct_access.patch
dax-fix-lifetime-of-in-kernel-dax-mappings-with-dax_map_atomic.patch
dax-fix-lifetime-of-in-kernel-dax-mappings-with-dax_map_atomic-v3.patch
um-kill-pfn_t.patch
kvm-rename-pfn_t-to-kvm_pfn_t.patch
mm-dax-pmem-introduce-pfn_t.patch
mm-dax-pmem-introduce-pfn_t-v3.patch
mm-introduce-find_dev_pagemap.patch
x86-mm-introduce-vmem_altmap-to-augment-vmemmap_populate.patch
libnvdimm-pfn-pmem-allocate-memmap-array-in-persistent-memory.patch
avr32-convert-to-asm-generic-memory_modelh.patch
hugetlb-fix-compile-error-on-tile.patch
frv-fix-compiler-warning-from-definition-of-__pmd.patch
x86-mm-introduce-_page_devmap.patch
mm-dax-gpu-convert-vm_insert_mixed-to-pfn_t.patch
mm-dax-convert-vmf_insert_pfn_pmd-to-pfn_t.patch
list-introduce-list_del_poison.patch
libnvdimm-pmem-move-request_queue-allocation-earlier-in-probe.patch
mm-dax-pmem-introduce-getput_dev_pagemap-for-dax-gup.patch
mm-dax-dax-pmd-vs-thp-pmd-vs-hugetlbfs-pmd.patch
mm-x86-get_user_pages-for-dax-mappings.patch
dax-provide-diagnostics-for-pmd-mapping-failures.patch
dax-re-enable-dax-pmd-mappings.patch
--
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