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| author | Takuya Yoshikawa | 2012-02-08 04:59:10 +0100 |
|---|---|---|
| committer | Avi Kivity | 2012-03-08 13:10:19 +0100 |
| commit | fb03cb6f44236f4bef62a0dda8e025ff5ca51417 (patch) | |
| tree | fdece464add97210435bb4d778f7b09a852f61e3 /arch/x86/kvm/mmu.c | |
| parent | KVM: s390: provide control registers via kvm_run (diff) | |
| download | kernel-qcow2-linux-fb03cb6f44236f4bef62a0dda8e025ff5ca51417.tar.gz kernel-qcow2-linux-fb03cb6f44236f4bef62a0dda8e025ff5ca51417.tar.xz kernel-qcow2-linux-fb03cb6f44236f4bef62a0dda8e025ff5ca51417.zip | |
KVM: Introduce gfn_to_index() which returns the index for a given level
This patch cleans up the code and removes the "(void)level;" warning
suppressor.
Note that we can also use this for PT_PAGE_TABLE_LEVEL to treat every
level uniformly later.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.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 | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index ae76cc3392e1..37e7f100a0e0 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -688,8 +688,7 @@ static struct kvm_lpage_info *lpage_info_slot(gfn_t gfn, { unsigned long idx; - idx = (gfn >> KVM_HPAGE_GFN_SHIFT(level)) - - (slot->base_gfn >> KVM_HPAGE_GFN_SHIFT(level)); + idx = gfn_to_index(gfn, slot->base_gfn, level); return &slot->lpage_info[level - 2][idx]; } |