From: Cornelia Huck <cohuck@redhat.com>
To: Collin Walling <walling@linux.ibm.com>
Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, david@redhat.com,
borntraeger@de.ibm.com, pasic@linux.ibm.com, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v2 2/3] s390x/cpumodel: default enable mepoch for z14 and later
Date: Wed, 13 Feb 2019 10:47:21 +0100 [thread overview]
Message-ID: <20190213104721.7347c4ae.cohuck@redhat.com> (raw)
In-Reply-To: <20190212011657.18324-2-walling@linux.ibm.com>
On Mon, 11 Feb 2019 20:16:56 -0500
Collin Walling <walling@linux.ibm.com> wrote:
> Latest systems and host kernels support mepoch, which is a
> feature that was meant to be supported for z14 GA1 from the
> get-go. Let's copy it to the z14 GA1 default CPU model.
>
> Machines s390-ccw-virtio-3.1 and older will retain the old CPU
> models and will not provide this bit nor the extended PTFF
> functions in the default model.
>
> Signed-off-by: Collin Walling <walling@linux.ibm.com>
> ---
> @Christian, @David: I elected to not add your r-b's to this
> patch since I've added some code to disable feature groups.
> I'd like to know what you both think :)
> ---
> hw/s390x/s390-virtio-ccw.c | 2 ++
> target/s390x/cpu_models.c | 24 ++++++++++++++++++++++++
> target/s390x/cpu_models.h | 2 ++
> target/s390x/gen-features.c | 2 ++
> 4 files changed, 30 insertions(+)
This gained a conflict in s390-virtio-ccw.c, which I fixed up.
Thanks, applied.
next prev parent reply other threads:[~2019-02-13 9:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-12 1:16 [Qemu-devel] [PATCH v2 1/3] s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init Collin Walling
2019-02-12 1:16 ` [Qemu-devel] [PATCH v2 2/3] s390x/cpumodel: default enable mepoch for z14 and later Collin Walling
2019-02-12 9:04 ` David Hildenbrand
2019-02-12 17:03 ` [Qemu-devel] [qemu-s390x] " Collin Walling
2019-02-13 9:47 ` Cornelia Huck [this message]
2019-02-12 1:16 ` [Qemu-devel] [PATCH v2 3/3] s390x/cpumodel: add z14 GA2 model Collin Walling
2019-02-13 9:48 ` Cornelia Huck
2019-02-12 10:04 ` [Qemu-devel] [PATCH v2 1/3] s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init Cornelia Huck
2019-02-12 17:02 ` [Qemu-devel] [qemu-s390x] " Collin Walling
2019-02-12 10:09 ` [Qemu-devel] " Christian Borntraeger
2019-02-12 17:03 ` Collin Walling
2019-02-12 19:35 ` David Hildenbrand
2019-02-13 9:45 ` Cornelia Huck
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