From: Nadav Amit <namit@cs.technion.ac.il>
Date: Tue, 16 Sep 2014 12:10:03 +0000 (+0300)
Subject: KVM: x86: Warn if guest virtual address space is not 48-bits
X-Git-Tag: fixes-for-v3.18-merge-window~23^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd598091de4aabbc8bd7290a04f364e443c03455;p=pandora-kernel.git

KVM: x86: Warn if guest virtual address space is not 48-bits

The KVM emulator code assumes that the guest virtual address space (in 64-bit)
is 48-bits wide.  Fail the KVM_SET_CPUID and KVM_SET_CPUID2 ioctl if
userspace tries to create a guest that does not obey this restriction.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

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