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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 8/8/25 08:07, Michael Tokarev wrote: > On 06.08.2025 23:46, Miles Glenn wrote: >> On Tue, 2025-08-05 at 22:07 +0200, Cédric Le Goater wrote: > ... >>> These seem to be interesting to have : >>> >>> ppc/xive2: Fix treatment of PIPR in CPPR update >>> ppc/xive2: Fix irq preempted by lower priority group irq I added : ppc/xive2: Reset Generation Flipped bit on END Cache Watch >>> ppc/xive: Fix PHYS NSR ring matching >>> ppc/xive2: fix context push calculation of IPB priority >>> ppc/xive2: Remote VSDs need to match on forwarding address >>> ppc/xive2: Fix calculation of END queue sizes >>> ppc/xive: Report access size in XIVE TM operation error logs >>> ppc/xive: Fix xive trace event output >> >> I'm still not sure that the benefit is worth the effort, but I >> certainly don't have a problem with them being backported if someone >> has the desire and the time to do it. > > I mentioned already that 10.0 series will (hopefully) be LTS series. > At the very least, it is what we'll have in the upcoming debian > stable release (trixie), which will be stable for the next 2 years. > Whenever this is important to have working Power* support in debian - > I don't know. > > All the mentioned patches applied to 10.0 branch cleanly (in the > reverse order, from bottom to top), so there's no effort needed > to back-port them.  And the result passes at least the standard > qemu testsuite.  So it looks like everything works as intended. 24.04 operates correctly with a "6.14.0-27-generic #27~24.04.1-Ubuntu" kernel on a PowerNV10 system defined as : Architecture: ppc64le Byte Order: Little Endian CPU(s): 16 On-line CPU(s) list: 0-15 Model name: POWER10, altivec supported Model: 2.0 (pvr 0080 1200) Thread(s) per core: 4 Core(s) per socket: 2 Socket(s): 2 Frequency boost: enabled CPU(s) scaling MHz: 76% CPU max MHz: 3800.0000 CPU min MHz: 2000.0000 Caches (sum of all): L1d: 128 KiB (4 instances) L1i: 128 KiB (4 instances) NUMA: NUMA node(s): 2 NUMA node0 CPU(s): 0-7 NUMA node1 CPU(s): 8-15 with devices : 0000:00:00.0 PCI bridge: IBM Device 0652 0000:01:00.0 Non-Volatile memory controller: Red Hat, Inc. QEMU NVM Express Controller (rev 02) 0001:00:00.0 PCI bridge: IBM Device 0652 0001:01:00.0 PCI bridge: Red Hat, Inc. Device 000e 0001:02:02.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 03) 0001:02:03.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection 0002:00:00.0 PCI bridge: IBM Device 0652 ... A rhel9 nested guest boots too. Poweroff and reboot are fine. Michael, I would say ship it. Glenn, Gautam, It would nice to get rid of these messages. [ 0.000000] NR_IRQS: 512, nr_irqs: 512, preallocated irqs: 16 [ 2.270794918,5] XIVE: [ IC 00 ] Resetting one xive... [ 2.271575295,3] XIVE: [CPU 0000] Error enabling PHYS CAM already enabled CPU 0100 Backtrace: S: 0000000032413a20 R: 0000000030021408 .backtrace+0x40 S: 0000000032413ad0 R: 000000003008427c .xive2_tima_enable_phys+0x40 S: 0000000032413b50 R: 0000000030087430 .__xive_reset.constprop.0.isra.0+0x520 S: 0000000032413c90 R: 0000000030087638 .opal_xive_reset+0x78 S: 0000000032413d10 R: 00000000300038bc opal_entry+0x14c --- OPAL call token: 0x80 caller R1: 0xc0000000014bbc90 --- [ 2.273581201,3] XIVE: [CPU 0001] Error enabling PHYS CAM already enabled Is it a modeling issue ? Thanks, C.