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Tue, 5 Nov 2019 17:03:42 +0000 (GMT) Received: from oc7186267434.ibm.com (unknown [9.85.144.27]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP for ; Tue, 5 Nov 2019 17:03:42 +0000 (GMT) Subject: Re: [PATCH 0/9] Fixes and Enablement of ibm,drc-info property To: linuxppc-dev@lists.ozlabs.org References: <1572967453-9586-1-git-send-email-tyreld@linux.ibm.com> From: Thomas Falcon Message-ID: <6958da5b-c518-64c2-50e3-db3f169d2337@linux.ibm.com> Date: Tue, 5 Nov 2019 11:03:42 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <1572967453-9586-1-git-send-email-tyreld@linux.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-11-05_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1911050140 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Archived-At: List-Archive: On 11/5/19 9:24 AM, Tyrel Datwyler wrote: Hi, just pointing out a few typos... > There was a previous effort to add support for the PAPR > architected ibm,drc-info property. This property provides a more > memory compact representation of a paritions Dynamic Reconfig s/paritions/partition's > Connectors (DRC). These can otherwise be thought of as currently > partitioned, or available but yet to be partitioned system resources > such as cpus, memory, and physical/logical IOA devices. > > The initial implementation proved buggy and was fully turned of by s/turned of/turned off > disabling the bit in the appropriate CAS support vector. We now have > PowerVM firmware in the field that supports this new property, and > further to suppport partitions with 24TB+ of possible memory this s/suppport/support > property is required to perform platform migration. > > This serious fixs the short comings of the previous submission Either "seriously fixes the shortcomings", or "fixes the serious shortcomings?" Thanks, Tom > in the areas of general implementation, cpu hotplug, and IOA hotplug. > > Tyrel Datwyler (9): > powerpc/pseries: Fix bad drc_index_start value parsing of drc-info > entry > powerpc/pseries: Fix drc-info mappings of logical cpus to drc-index > powerpc/pseries: Add cpu DLPAR support for drc-info property > PCI: rpaphp: Fix up pointer to first drc-info entry > PCI: rpaphp: Don't rely on firmware feature to imply drc-info support > PCI: rpaphp: Add drc-info support for hotplug slot registration > PCI: rpaphp: annotate and correctly byte swap DRC properties > PCI: rpaphp: Correctly match ibm,my-drc-index to drc-name when using > drc-info > powerpc/pseries: Enable support for ibm,drc-info property > > arch/powerpc/kernel/prom_init.c | 2 +- > arch/powerpc/platforms/pseries/hotplug-cpu.c | 101 ++++++++++++++++--- > arch/powerpc/platforms/pseries/of_helpers.c | 8 +- > arch/powerpc/platforms/pseries/pseries_energy.c | 23 ++--- > drivers/pci/hotplug/rpaphp_core.c | 124 +++++++++++++++++------- > 5 files changed, 187 insertions(+), 71 deletions(-) >