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2009-12-18target-s390: Fail on unknown instructionsAlexander Graf1-1/+1
We were being a bit too nice and didn't give the guest an invalid instruction interrupt. While that works, it's not exactly the fastest thing to do, since now the guest doesn't know that we're not really implementing that instruction, so it continues doing it. We run into this with the set_page_unstable hint instruction. So let's bail out in these cases. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-05Add KVM support for S390xAlexander Graf1-0/+483
S390x was one of the first platforms that received support for KVM back in the day. Unfortunately until now there hasn't been a qemu implementation that would enable users to actually run guests. So let's include support for KVM S390x in qemu! Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>