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KVM: PPC: Book3S HV: Cleanups - constify memslots, fix comments

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This adds 'const' to the declarations for the struct kvm_memory_slot
pointer parameters of some functions, which will make it possible to
call those functions from kvmppc_core_commit_memory_region_hv()
in the next patch.

This also fixes some comments about locking.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Paul Mackerras
2018-12-12 15:16:48 +11:00
parent f460f6791a
commit c43c3a8683
5 changed files with 11 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
arch/powerpc/include/asm/kvm_book3s.h
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@@ -197,7 +197,8 @@ extern int kvmppc_mmu_radix_translate_table(struct kvm_vcpu *vcpu, gva_t eaddr,
extern int kvmppc_mmu_radix_xlate(struct kvm_vcpu *vcpu, gva_t eaddr,
struct kvmppc_pte *gpte, bool data, bool iswrite);
extern void kvmppc_unmap_pte(struct kvm *kvm, pte_t *pte, unsigned long gpa,
unsigned int shift, struct kvm_memory_slot *memslot,
unsigned int shift,
const struct kvm_memory_slot *memslot,
unsigned int lpid);
extern bool kvmppc_hv_handle_set_rc(struct kvm *kvm, pgd_t *pgtable,
bool writing, unsigned long gpa,
@@ -215,10 +216,6 @@ extern int kvmppc_radix_init(void);
extern void kvmppc_radix_exit(void);
extern int kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot,
unsigned long gfn);
extern void kvmppc_unmap_pte(struct kvm *kvm, pte_t *pte,
unsigned long gpa, unsigned int shift,
struct kvm_memory_slot *memslot,
unsigned int lpid);
extern int kvm_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot,
unsigned long gfn);
extern int kvm_test_age_radix(struct kvm *kvm, struct kvm_memory_slot *memslot,
@@ -242,7 +239,7 @@ 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_dirty_map(struct kvm_memory_slot *memslot,
extern void kvmppc_update_dirty_map(const struct kvm_memory_slot *memslot,
unsigned long gfn, unsigned long psize);
extern void kvmppc_invalidate_hpte(struct kvm *kvm, __be64 *hptep,
unsigned long pte_index);