From: Carsten Otte <carsteno@de.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: Alexander Graf <agraf@suse.de>,
qemu-devel <qemu-devel@nongnu.org>,
uli@suse.de, Carsten Otte <cotte@de.ibm.com>,
hare@suse.de, KVM list <kvm@vger.kernel.org>
Subject: Re: [PATCH 0/9] S390x KVM support
Date: Thu, 22 Oct 2009 12:22:53 +0200 [thread overview]
Message-ID: <4AE0327D.7010809@de.ibm.com> (raw)
In-Reply-To: <4AE02DE2.7010803@redhat.com>
Avi Kivity wrote:
> Right, but why? x86 qemu doesn't care about either pc or eflags (with
> in-kernel irqchip, which s390 essentially is).
For different reasons. Most prominent for setting the condition code,
which is a sideband result of most instructions that indicates whether or
not the instruction actually worked - similar to the exception model in
high level programming languages.
next prev parent reply other threads:[~2009-10-22 10:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1255963059-10298-1-git-send-email-agraf@suse.de>
[not found] ` <4ADDE7E3.9090601@de.ibm.com>
2009-10-22 9:08 ` [PATCH 0/9] S390x KVM support Avi Kivity
2009-10-22 9:11 ` Alexander Graf
2009-10-22 9:53 ` Avi Kivity
2009-10-22 9:55 ` Alexander Graf
2009-10-22 9:58 ` Alexander Graf
2009-10-22 10:03 ` Avi Kivity
2009-10-22 10:13 ` Alexander Graf
2009-10-22 10:22 ` Carsten Otte [this message]
2009-10-22 10:28 ` Avi Kivity
2009-10-22 10:43 ` Carsten Otte
2009-10-22 10:49 ` Avi Kivity
2009-10-22 11:10 ` Carsten Otte
2009-11-02 20:23 ` Alexander Graf
2009-11-03 8:55 ` Avi Kivity
2009-10-22 9:18 ` Carsten Otte
2009-10-22 10:02 ` Avi Kivity
2009-10-22 10:20 ` Carsten Otte
2009-10-22 10:29 ` Avi Kivity
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