diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2015-04-02 11:20:48 +0200 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-05-19 20:52:45 +0200 |
commit | 3520469d65f26a1cd2f610f5d5de976f78db74fe (patch) | |
tree | 2b3ab1f42a0168b238662fd9252e94a269acc550 /virt | |
parent | 69a1220060c1523fd0515216eaa29e22f133b894 (diff) | |
download | lwn-3520469d65f26a1cd2f610f5d5de976f78db74fe.tar.gz lwn-3520469d65f26a1cd2f610f5d5de976f78db74fe.zip |
KVM: export __gfn_to_pfn_memslot, drop gfn_to_pfn_async
gfn_to_pfn_async is used in just one place, and because of x86-specific
treatment that place will need to look at the memory slot. Hence inline
it into try_async_pf and export __gfn_to_pfn_memslot.
The patch also switches the subsequent call to gfn_to_pfn_prot to use
__gfn_to_pfn_memslot. This is a small optimization. Finally, remove
the now-unused async argument of __gfn_to_pfn.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r-- | virt/kvm/kvm_main.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f202c4035134..bd3c08a7c6c2 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1355,9 +1355,8 @@ exit: return pfn; } -static pfn_t -__gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic, - bool *async, bool write_fault, bool *writable) +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); @@ -1376,44 +1375,35 @@ __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic, return hva_to_pfn(addr, atomic, async, write_fault, writable); } +EXPORT_SYMBOL_GPL(__gfn_to_pfn_memslot); -static pfn_t __gfn_to_pfn(struct kvm *kvm, gfn_t gfn, bool atomic, bool *async, +static pfn_t __gfn_to_pfn(struct kvm *kvm, gfn_t gfn, bool atomic, bool write_fault, bool *writable) { struct kvm_memory_slot *slot; - if (async) - *async = false; - slot = gfn_to_memslot(kvm, gfn); - return __gfn_to_pfn_memslot(slot, gfn, atomic, async, write_fault, + return __gfn_to_pfn_memslot(slot, gfn, atomic, NULL, write_fault, writable); } pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn) { - return __gfn_to_pfn(kvm, gfn, true, NULL, true, NULL); + return __gfn_to_pfn(kvm, gfn, true, true, NULL); } EXPORT_SYMBOL_GPL(gfn_to_pfn_atomic); -pfn_t gfn_to_pfn_async(struct kvm *kvm, gfn_t gfn, bool *async, - bool write_fault, bool *writable) -{ - return __gfn_to_pfn(kvm, gfn, false, async, write_fault, writable); -} -EXPORT_SYMBOL_GPL(gfn_to_pfn_async); - pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) { - return __gfn_to_pfn(kvm, gfn, false, NULL, true, NULL); + return __gfn_to_pfn(kvm, gfn, false, true, NULL); } EXPORT_SYMBOL_GPL(gfn_to_pfn); pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault, bool *writable) { - return __gfn_to_pfn(kvm, gfn, false, NULL, write_fault, writable); + return __gfn_to_pfn(kvm, gfn, false, write_fault, writable); } EXPORT_SYMBOL_GPL(gfn_to_pfn_prot); |