From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 10 May 2010 08:16:56 +0000 (+0300)
Subject: KVM: inject #UD if instruction emulation fails and exit to userspace
X-Git-Tag: v2.6.36-rc1~580^2~161
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d77dbfc88e37c9efd5c5dd18445cfe819ae17ea;p=pandora-kernel.git

KVM: inject #UD if instruction emulation fails and exit to userspace

Do not kill VM when instruction emulation fails. Inject #UD and report
failure to userspace instead. Userspace may choose to reenter guest if
vcpu is in userspace (cpl == 3) in which case guest OS will kill
offending process and continue running.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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