From: Thomas Gleixner <tglx@linutronix.de>
To: "Zhang, Rui" <rui.zhang@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: "Zhuo, Qiuxu" <qiuxu.zhuo@intel.com>,
"Gross, Jurgen" <jgross@suse.com>,
"mikelley@microsoft.com" <mikelley@microsoft.com>,
"arjan@linux.intel.com" <arjan@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"thomas.lendacky@amd.com" <thomas.lendacky@amd.com>,
"ray.huang@amd.com" <ray.huang@amd.com>,
"andrew.cooper3@citrix.com" <andrew.cooper3@citrix.com>,
"Sivanich, Dimitri" <dimitri.sivanich@hpe.com>,
"wei.liu@kernel.org" <wei.liu@kernel.org>,
"puwen@hygon.cn" <puwen@hygon.cn>,
"Mehta, Sohil" <sohil.mehta@intel.com>
Subject: Re: [patch V4 28/41] x86/cpu: Provide a sane leaf 0xb/0x1f parser
Date: Thu, 17 Aug 2023 11:11:05 +0200 [thread overview]
Message-ID: <87cyzmghjq.ffs@tglx> (raw)
In-Reply-To: <9cc313b7fdad7c26d561fe390c7e797b81e0323c.camel@intel.com>
On Wed, Aug 16 2023 at 12:09, Rui Zhang wrote:
>> + } else if (tscan->c->topo.initial_apicid != sl.x2apic_id) {
>> + pr_warn_once(FW_BUG "CPUID leaf 0x%x subleaf %d APIC
>> ID mismatch %x != %x\n",
>> + leaf, subleaf, tscan->c-
>> >topo.initial_apicid, sl.x2apic_id);
>> + }
>> +
>
> Maybe worth a warning somewhere if sl.x2apic_shift !=
> x86_topo_system.dom_shifts[dom], because invariant x2apic_shift (for
> the same level) among different CPUs is critical for this patch series.
> And I do see variant x2apic_shift on an Intel AlderLake NUC, which has
> been identified to be a microcode bug later.
Yes, we can do that.
next prev parent reply other threads:[~2023-08-17 9:11 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-14 8:53 [patch V4 00/41] x86/cpu: Rework the topology evaluation Thomas Gleixner
2023-08-14 8:53 ` [patch V4 01/41] x86/cpu/hygon: Fix the CPU topology evaluation for real Thomas Gleixner
2023-08-14 8:53 ` [patch V4 02/41] cpu/SMT: Make SMT control more robust against enumeration failures Thomas Gleixner
2023-08-15 21:15 ` Dave Hansen
2023-10-10 12:18 ` Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 03/41] x86/apic: Fake primary thread mask for XEN/PV Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 04/41] x86/cpu: Encapsulate topology information in cpuinfo_x86 Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 05/41] x86/cpu: Move phys_proc_id into topology info Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 06/41] x86/cpu: Move cpu_die_id " Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 07/41] scsi: lpfc: Use topology_core_id() Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 08/41] hwmon: (fam15h_power) " Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 09/41] x86/cpu: Move cpu_core_id into topology info Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 10/41] x86/cpu: Move cu_id " Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 11/41] x86/cpu: Remove pointless evaluation of x86_coreid_bits Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 12/41] x86/cpu: Move logical package and die IDs into topology info Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 13/41] x86/cpu: Move cpu_l[l2]c_id " Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 14/41] x86/apic: Use BAD_APICID consistently Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 15/41] x86/apic: Use u32 for APIC IDs in global data Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:53 ` [patch V4 16/41] x86/apic: Use u32 for check_apicid_used() Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:54 ` [patch V4 17/41] x86/apic: Use u32 for cpu_present_to_apicid() Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:54 ` [patch V4 18/41] x86/apic: Use u32 for phys_pkg_id() Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:54 ` [patch V4 19/41] x86/apic: Use u32 for [gs]et_apic_id() Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:54 ` [patch V4 20/41] x86/apic: Use u32 for wakeup_secondary_cpu[_64]() Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-10-13 10:32 ` [tip: x86/core] x86/apic, x86/hyperv: Use u32 in hv_snp_boot_ap() too tip-bot2 for Ingo Molnar
2023-08-14 8:54 ` [patch V4 21/41] x86/cpu/topology: Cure the abuse of cpuinfo for persisting logical ids Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:54 ` [patch V4 22/41] x86/cpu: Provide debug interface Thomas Gleixner
2023-10-13 9:38 ` [tip: x86/core] " tip-bot2 for Thomas Gleixner
2023-08-14 8:54 ` [patch V4 23/41] x86/cpu: Provide cpuid_read() et al Thomas Gleixner
2023-08-14 8:54 ` [patch V4 24/41] x86/cpu: Provide cpu_init/parse_topology() Thomas Gleixner
2023-08-28 6:07 ` K Prateek Nayak
2023-08-28 10:05 ` Thomas Gleixner
2023-08-28 14:03 ` Arjan van de Ven
2023-08-28 14:28 ` K Prateek Nayak
2023-08-28 14:34 ` Arjan van de Ven
2023-08-29 3:16 ` K Prateek Nayak
2023-09-15 11:54 ` Peter Zijlstra
2023-09-15 14:04 ` Arjan van de Ven
2023-09-19 3:54 ` K Prateek Nayak
2023-09-19 8:13 ` Thomas Gleixner
2023-09-20 3:23 ` K Prateek Nayak
2023-09-19 13:44 ` Arjan van de Ven
2023-09-20 3:21 ` K Prateek Nayak
2023-09-14 9:20 ` K Prateek Nayak
2023-09-15 11:46 ` Thomas Gleixner
2023-08-14 8:54 ` [patch V4 25/41] x86/cpu: Add legacy topology parser Thomas Gleixner
2023-08-14 8:54 ` [patch V4 26/41] x86/cpu: Use common topology code for Centaur and Zhaoxin Thomas Gleixner
2023-08-14 8:54 ` [patch V4 27/41] x86/cpu: Move __max_die_per_package to common.c Thomas Gleixner
2023-08-14 8:54 ` [patch V4 28/41] x86/cpu: Provide a sane leaf 0xb/0x1f parser Thomas Gleixner
2023-08-16 12:09 ` Zhang, Rui
2023-08-17 9:11 ` Thomas Gleixner [this message]
2023-08-14 8:54 ` [patch V4 29/41] x86/cpu: Use common topology code for Intel Thomas Gleixner
2023-08-14 8:54 ` [patch V4 30/41] x86/cpu/amd: Provide a separate accessor for Node ID Thomas Gleixner
2023-08-14 8:54 ` [patch V4 31/41] x86/cpu: Provide an AMD/HYGON specific topology parser Thomas Gleixner
2023-08-14 8:54 ` [patch V4 32/41] x86/smpboot: Teach it about topo.amd_node_id Thomas Gleixner
2023-08-14 8:54 ` [patch V4 33/41] x86/cpu: Use common topology code for AMD Thomas Gleixner
2023-08-14 8:54 ` [patch V4 34/41] x86/cpu: Use common topology code for HYGON Thomas Gleixner
2023-08-14 8:54 ` [patch V4 35/41] x86/mm/numa: Use core domain size on AMD Thomas Gleixner
2023-08-14 8:54 ` [patch V4 36/41] x86/cpu: Make topology_amd_node_id() use the actual node info Thomas Gleixner
2023-08-14 8:54 ` [patch V4 37/41] x86/cpu: Remove topology.c Thomas Gleixner
2023-08-14 8:54 ` [patch V4 38/41] x86/cpu: Remove x86_coreid_bits Thomas Gleixner
2023-08-14 8:54 ` [patch V4 39/41] x86/apic: Remove unused phys_pkg_id() callback Thomas Gleixner
2023-08-14 8:54 ` [patch V4 40/41] x86/xen/smp_pv: Remove cpudata fiddling Thomas Gleixner
2023-08-14 8:54 ` [patch V4 41/41] x86/apic/uv: Remove the private leaf 0xb parser Thomas Gleixner
2023-08-14 14:36 ` [patch V4 00/41] x86/cpu: Rework the topology evaluation Peter Zijlstra
2023-08-16 11:36 ` Zhang, Rui
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