From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Fri, 30 Oct 2009 11:46:59 +0000 (+0100)
Subject: KVM: x86: Polish exception injection via KVM_SET_GUEST_DEBUG
X-Git-Tag: v2.6.33-rc1~387^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f926bf291863c237188bd2e27222ed801f12094;p=pandora-kernel.git

KVM: x86: Polish exception injection via KVM_SET_GUEST_DEBUG

Decouple KVM_GUESTDBG_INJECT_DB and KVM_GUESTDBG_INJECT_BP from
KVM_GUESTDBG_ENABLE, their are actually orthogonal. At this chance,
avoid triggering the WARN_ON in kvm_queue_exception if there is already
an exception pending and reject such invalid requests.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

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