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Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?iso-8859-1?Q?P=E9rez?= , Eric Farman , Andrew Morton , Jonathan Corbet , Mario Casquero Subject: Re: [PATCH v3 3/7] s390/physmem_info: query diag500(STORAGE LIMIT) to support QEMU/KVM memory devices Message-ID: <20241030100418.6264-I-hca@linux.ibm.com> References: <20241025141453.1210600-1-david@redhat.com> <20241025141453.1210600-4-david@redhat.com> <20241030092324.6264-E-hca@linux.ibm.com> <35fc960b-0013-4264-93d6-6511d54ab474@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35fc960b-0013-4264-93d6-6511d54ab474@redhat.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: jMpsSJ9u4VEsnQ5qhNnomQE2ssfMG_fY X-Proofpoint-ORIG-GUID: qENfN970vDa7Liz-_CUTkjbzzRihWYNV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 impostorscore=0 suspectscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1015 phishscore=0 adultscore=0 spamscore=0 bulkscore=0 mlxlogscore=593 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410300076 On Wed, Oct 30, 2024 at 10:42:05AM +0100, David Hildenbrand wrote: > On 30.10.24 10:23, Heiko Carstens wrote: > > Looks like I couldn't convince you to implement a query subcode. > > Well, you convinced me that it might be useful, but after waiting on > feedback from the KVM folks ... which didn't happen I moved on. In the cover > letter I have "No query function for diag500 for now." > > My thinking was that if we go for a query subcode, maybe we'd start "anew" > with a new diag and use "0=query" like all similar instructions I am aware > of. And that is then a bigger rework ... > > ... and I am not particularly interested in extra work without a clear > statement from KVM people what (a) if that work is required and; (b) what it > should look like. Yes, it is all good. Let's just move on.