Does kvm try to support 64-bit guests on a 32-bit host kernel? (64-bit
CPU of course)
It looks to me like this patch might prevent that scenario.
On 2/3/07, Ben Collins <[EMAIL PROTECTED]> wrote:
> Build currently fails with x86.
>
> Index: kernel/kvm_main.c
> ===================================================================
> --- kernel/kvm_main.c (revision 4381)
> +++ kernel/kvm_main.c (working copy)
> @@ -1148,6 +1148,7 @@
>
> kvm_arch_ops->decache_regs(vcpu);
> ret = -KVM_EINVAL;
> +#ifdef CONFIG_X86_64
> if (is_long_mode(vcpu)) {
> nr = vcpu->regs[VCPU_REGS_RAX];
> a0 = vcpu->regs[VCPU_REGS_RDI];
> @@ -1156,7 +1157,9 @@
> a3 = vcpu->regs[VCPU_REGS_RCX];
> a4 = vcpu->regs[VCPU_REGS_R8];
> a5 = vcpu->regs[VCPU_REGS_R9];
> - } else {
> + } else
> +#endif
> + {
> nr = vcpu->regs[VCPU_REGS_RBX] & -1u;
> a0 = vcpu->regs[VCPU_REGS_RAX] & -1u;
> a1 = vcpu->regs[VCPU_REGS_RCX] & -1u;
>
>
> --
> Ubuntu: http://www.ubuntu.com/
> Linux1394: http://www.linux1394.org/
>
>
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