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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.

  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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