From: Cornelia Huck <cohuck@redhat.com>
To: Collin Walling <walling@linux.ibm.com>
Cc: thuth@redhat.com, frankja@linux.ibm.com, mst@redhat.com,
david@redhat.com, qemu-devel@nongnu.org, pasic@linux.ibm.com,
borntraeger@de.ibm.com, qemu-s390x@nongnu.org,
svens@linux.ibm.com, pbonzini@redhat.com, mihajlov@linux.ibm.com,
rth@twiddle.net
Subject: Re: [PATCH v3 5/8] s390/sclp: use cpu offset to locate cpu entries
Date: Mon, 22 Jun 2020 12:47:23 +0200 [thread overview]
Message-ID: <20200622124723.38c72cba.cohuck@redhat.com> (raw)
In-Reply-To: <20200618222258.23287-6-walling@linux.ibm.com>
On Thu, 18 Jun 2020 18:22:55 -0400
Collin Walling <walling@linux.ibm.com> wrote:
> The start of the CPU entry region in the Read SCP Info response data is
> denoted by the offset_cpu field. As such, QEMU needs to begin creating
> entries at this address. Note that the length of the Read SCP Info data
> (data_len) denotes the same value as the cpu offset.
>
> This is in preparation of when Read SCP Info inevitably introduces new
> bytes that push the start of the CPUEntry field further away.
>
> Read CPU Info is unlikely to ever change, so let's not bother
> accounting for the offset there.
>
> Signed-off-by: Collin Walling <walling@linux.ibm.com>
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> ---
> hw/s390x/sclp.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2020-06-22 10:49 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-18 22:22 [PATCH v3 0/8] s390: Extended-Length SCCB & DIAGNOSE 0x318 Collin Walling
2020-06-18 22:22 ` [PATCH v3 1/8] s390/sclp: get machine once during read scp/cpu info Collin Walling
2020-06-19 8:12 ` Janosch Frank
2020-06-22 10:30 ` Cornelia Huck
2020-06-18 22:22 ` [PATCH v3 2/8] s390/sclp: check sccb len before filling in data Collin Walling
2020-06-19 14:45 ` David Hildenbrand
2020-06-22 10:32 ` Cornelia Huck
2020-06-24 12:01 ` Thomas Huth
2020-06-18 22:22 ` [PATCH v3 3/8] s390/sclp: rework sclp boundary and length checks Collin Walling
2020-06-19 10:50 ` Janosch Frank
2020-06-22 10:43 ` Cornelia Huck
2020-06-22 15:20 ` Christian Borntraeger
2020-06-22 15:22 ` Christian Borntraeger
2020-06-22 15:54 ` Collin Walling
2020-06-18 22:22 ` [PATCH v3 4/8] s390/sclp: read sccb from mem based on sccb length Collin Walling
2020-06-19 8:18 ` Janosch Frank
2020-06-22 10:45 ` Cornelia Huck
2020-06-18 22:22 ` [PATCH v3 5/8] s390/sclp: use cpu offset to locate cpu entries Collin Walling
2020-06-19 8:21 ` Janosch Frank
2020-06-22 10:47 ` Cornelia Huck [this message]
2020-06-18 22:22 ` [PATCH v3 6/8] s390/sclp: add extended-length sccb support for kvm guest Collin Walling
2020-06-24 12:36 ` Cornelia Huck
2020-06-24 12:40 ` Thomas Huth
2020-06-24 12:55 ` Cornelia Huck
2020-06-24 14:49 ` Collin Walling
2020-06-24 14:57 ` Cornelia Huck
2020-06-24 15:19 ` Thomas Huth
2020-06-18 22:22 ` [PATCH v3 7/8] s390/kvm: header sync for diag318 Collin Walling
2020-06-18 22:22 ` [PATCH v3 8/8] s390: guest support for diagnose 0x318 Collin Walling
2020-06-19 9:21 ` Janosch Frank
2020-06-24 12:49 ` Cornelia Huck
2020-06-18 22:33 ` [PATCH v3 0/8] s390: Extended-Length SCCB & DIAGNOSE 0x318 no-reply
2020-06-18 22:51 ` no-reply
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