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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-12-23 16:09:29 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 11:31:19 +0200 |
| commit | f8e453b00cf1d90a047eb0ef8eefe6200e0f4512 (patch) | |
| tree | 7347af552a9a0ca0ba2bf8e19e3c33721a7637e5 /arch/x86/kvm/mmu.c | |
| parent | b034cf0105235e65ee1b0161dbe8fef0338d06e7 (diff) | |
| download | op-kernel-dev-f8e453b00cf1d90a047eb0ef8eefe6200e0f4512.zip op-kernel-dev-f8e453b00cf1d90a047eb0ef8eefe6200e0f4512.tar.gz | |
KVM: MMU: handle 'map_writable' in set_spte() function
Move the operation of 'writable' to set_spte() to clean up code
[avi: remove unneeded booleanification]
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 892ffc6..9cafbb4 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1983,6 +1983,8 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep, if (host_writable) spte |= SPTE_HOST_WRITEABLE; + else + pte_access &= ~ACC_WRITE_MASK; spte |= (u64)pfn << PAGE_SHIFT; @@ -2222,8 +2224,6 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, if (iterator.level == level) { unsigned pte_access = ACC_ALL; - if (!map_writable) - pte_access &= ~ACC_WRITE_MASK; mmu_set_spte(vcpu, iterator.sptep, ACC_ALL, pte_access, 0, write, 1, &pt_write, level, gfn, pfn, prefault, map_writable); |
