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KVM: Remove unnecessary divide operations

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This patch converts unnecessary divide and modulo operations
in the KVM large page related code into logical operations.
This allows to convert gfn_t to u64 while not breaking 32
bit builds.

Signed-off-by: Joerg Roedel <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
This commit is contained in:
Joerg Roedel 2010-07-01 16:00:11 +02:00 • committed by Avi Kivity
commit 828554136b
6 changed files with 15 additions and 11 deletions
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1
arch/ia64/include/asm/kvm_host.h
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@ -235,6 +235,7 @@ struct kvm_vm_data {
#define KVM_REQ_PTC_G 32
#define KVM_REQ_RESUME 33
#define KVM_HPAGE_GFN_SHIFT(x) 0
#define KVM_NR_PAGE_SIZES 1
#define KVM_PAGES_PER_HPAGE(x) 1