Revision 14a09518

b/kvm-all.c
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    s->broken_set_mem_region = 1;
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#ifdef KVM_CAP_JOIN_MEMORY_REGIONS_WORKS
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    ret = kvm_ioctl(s, KVM_CHECK_EXTENSION, KVM_CAP_JOIN_MEMORY_REGIONS_WORKS);
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    ret = kvm_check_extension(s, KVM_CAP_JOIN_MEMORY_REGIONS_WORKS);
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    if (ret > 0) {
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        s->broken_set_mem_region = 0;
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    }
b/target-i386/kvm.c
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{
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    int r;
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    r = kvm_ioctl(s, KVM_CHECK_EXTENSION, KVM_CAP_MCE);
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    r = kvm_check_extension(s, KVM_CAP_MCE);
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    if (r > 0) {
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        *max_banks = r;
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        return kvm_ioctl(s, KVM_X86_GET_MCE_CAP_SUPPORTED, mce_cap);
......
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     * versions of KVM just assumed that it would be at the end of physical
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     * memory but that doesn't work with more than 4GB of memory.  We simply
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     * refuse to work with those older versions of KVM. */
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    ret = kvm_ioctl(s, KVM_CHECK_EXTENSION, KVM_CAP_SET_TSS_ADDR);
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    ret = kvm_check_extension(s, KVM_CAP_SET_TSS_ADDR);
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    if (ret <= 0) {
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        fprintf(stderr, "kvm does not support KVM_CAP_SET_TSS_ADDR\n");
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        return ret;

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