From: Jan Kiszka <jan.kis...@siemens.com>
Fixes "cast to pointer from integer of different size" on 32-bit hosts
and applies a micro-refactoring.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 173a626..9ebb20c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -841,11 +841,12 @@ static int set_msr_mce(struct kvm_vcpu *vcpu, u32 msr,
u64 data)
static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
{
+ struct kvm *kvm = vcpu->kvm;
int lm = is_long_mode(vcpu);
- u8 *blob_addr = lm ? (u8 *)vcpu->kvm->arch.xen_hvm_config.blob_addr_64
- : (u8 *)vcpu->kvm->arch.xen_hvm_config.blob_addr_32;
- u8 blob_size = lm ? vcpu->kvm->arch.xen_hvm_config.blob_size_64
- : vcpu->kvm->arch.xen_hvm_config.blob_size_32;
+ u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64
+ : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
+ u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64
+ : kvm->arch.xen_hvm_config.blob_size_32;
u32 page_num = data & ~PAGE_MASK;
u64 page_addr = data & PAGE_MASK;
u8 *page;
@@ -861,7 +862,7 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
r = -EFAULT;
if (copy_from_user(page, blob_addr + (page_num * PAGE_SIZE), PAGE_SIZE))
goto out_free;
- if (kvm_write_guest(vcpu->kvm, page_addr, page, PAGE_SIZE))
+ if (kvm_write_guest(kvm, page_addr, page, PAGE_SIZE))
goto out_free;
r = 0;
out_free:
--
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