[03/29] x86/cpu: Move cpu_die_id into topology info

Message ID	20230724172843.873053855@linutronix.de (mailing list archive)
State	Handled Elsewhere
Headers	show Return-Path: <linux-hwmon-owner@vger.kernel.org> Message-ID: <20230724172843.873053855@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: x86@kernel.org, Tom Lendacky <thomas.lendacky@amd.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Arjan van de Ven <arjan@linux.intel.com>, "James E.J. Bottomley" <jejb@linux.ibm.com>, Dick Kennedy <dick.kennedy@broadcom.com>, James Smart <james.smart@broadcom.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, linux-scsi@vger.kernel.org, linux-hwmon@vger.kernel.org, Jean Delvare <jdelvare@suse.com>, Huang Rui <ray.huang@amd.com>, Guenter Roeck <linux@roeck-us.net>, Steve Wahl <steve.wahl@hpe.com>, Mike Travis <mike.travis@hpe.com>, Dimitri Sivanich <dimitri.sivanich@hpe.com>, Russ Anderson <russ.anderson@hpe.com> Subject: [patch 03/29] x86/cpu: Move cpu_die_id into topology info References: <20230724155329.474037902@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Mon, 24 Jul 2023 19:43:55 +0200 (CEST) Precedence: bulk
Series	x86/cpu: Rework the topology evaluation \| expand [00/29] x86/cpu: Rework the topology evaluation [01/29] x86/cpu: Encapsulate topology information in cpuinfo_x86 [02/29] x86/cpu: Move phys_proc_id into topology info [03/29] x86/cpu: Move cpu_die_id into topology info [04/29] scsi: lpfc: Use topology_core_id() [05/29] hwmon: (fam15h_power) Use topology_core_id() [06/29] x86/cpu: Move cpu_core_id into topology info [07/29] x86/cpu: Move cu_id into topology info [08/29] x86/cpu: Remove pointless evaluation of x86_coreid_bits [09/29] x86/cpu: Move logical package and die IDs into topology info [10/29] x86/cpu: Move cpu_l[l2]c_id into topology info [11/29] x86/cpu: Provide debug interface [12/29] x86/cpu: Provide cpuid_read() et al. [13/29] x86/cpu: Provide cpu_init/parse_topology() [14/29] x86/cpu: Add legacy topology parser [15/29] x86/cpu: Use common topology code for Centaur and Zhaoxin [16/29] x86/cpu: Move __max_die_per_package to common.c [17/29] x86/cpu: Provide a sane leaf 0xb/0x1f parser [18/29] x86/cpu: Use common topology code for Intel [19/29] x86/cpu/amd: Provide a separate acessor for Node ID [20/29] x86/cpu: Provide an AMD/HYGON specific topology parser [21/29] x86/smpboot: Teach it about topo.amd_node_id [22/29] x86/cpu: Use common topology code for AMD [23/29] x86/cpu: Use common topology code for HYGON [24/29] x86/mm/numa: Use core domain size on AMD [25/29] x86/cpu: Make topology_amd_node_id() use the actual node info [26/29] x86/cpu: Remove topology.c [27/29] x86/cpu: Remove x86_coreid_bits [28/29] x86/apic: Remove unused phys_pkg_id() callback [29/29] x86/apic/uv: Remove the private leaf 0xb parser

--- a/Documentation/arch/x86/topology.rst +++ b/Documentation/arch/x86/topology.rst @@ -55,7 +55,7 @@ AMD nomenclature for package is 'Node'. The number of dies in a package. This information is retrieved via CPUID. - - cpuinfo_x86.cpu_die_id: + - cpuinfo_x86.topo_die_id: The physical ID of the die. This information is retrieved via CPUID. @@ -65,7 +65,7 @@ AMD nomenclature for package is 'Node'. and deduced from the APIC IDs of the cores in the package. Modern systems use this value for the socket. There may be multiple - packages within a socket. This value may differ from cpu_die_id. + packages within a socket. This value may differ from topo.die_id. - cpuinfo_x86.logical_proc_id: --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -82,6 +82,7 @@ struct cpuinfo_topology { u16 initial_apicid; u16 pkg_id; + u16 die_id; }; struct cpuinfo_x86 { @@ -137,7 +138,6 @@ struct cpuinfo_x86 { u16 logical_proc_id; /* Core id: */ u16 cpu_core_id; - u16 cpu_die_id; u16 logical_die_id; /* Index into per_cpu list: */ u16 cpu_index; --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -108,7 +108,7 @@ extern const struct cpumask *cpu_cluster #define topology_logical_package_id(cpu) (cpu_data(cpu).logical_proc_id) #define topology_physical_package_id(cpu) (cpu_data(cpu).topo.pkg_id) #define topology_logical_die_id(cpu) (cpu_data(cpu).logical_die_id) -#define topology_die_id(cpu) (cpu_data(cpu).cpu_die_id) +#define topology_die_id(cpu) (cpu_data(cpu).topo.die_id) #define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) #define topology_ppin(cpu) (cpu_data(cpu).ppin) --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -338,7 +338,7 @@ static void amd_get_topology(struct cpui cpuid(0x8000001e, &eax, &ebx, &ecx, &edx); - c->cpu_die_id = ecx & 0xff; + c->topo.die_id = ecx & 0xff; if (c->x86 == 0x15) c->cu_id = ebx & 0xff; @@ -364,9 +364,9 @@ static void amd_get_topology(struct cpui u64 value; rdmsrl(MSR_FAM10H_NODE_ID, value); - c->cpu_die_id = value & 7; + c->topo.die_id = value & 7; - per_cpu(cpu_llc_id, cpu) = c->cpu_die_id; + per_cpu(cpu_llc_id, cpu) = c->topo.die_id; } else return; @@ -391,7 +391,7 @@ static void amd_detect_cmp(struct cpuinf /* Convert the initial APIC ID into the socket ID */ c->topo.pkg_id = c->topo.initial_apicid >> bits; /* use socket ID also for last level cache */ - per_cpu(cpu_llc_id, cpu) = c->cpu_die_id = c->topo.pkg_id; + per_cpu(cpu_llc_id, cpu) = c->topo.die_id = c->topo.pkg_id; } u32 amd_get_nodes_per_socket(void) --- a/arch/x86/kernel/cpu/cacheinfo.c +++ b/arch/x86/kernel/cpu/cacheinfo.c @@ -672,7 +672,7 @@ void cacheinfo_amd_init_llc_id(struct cp if (c->x86 < 0x17) { /* LLC is at the node level. */ - per_cpu(cpu_llc_id, cpu) = c->cpu_die_id; + per_cpu(cpu_llc_id, cpu) = c->topo.die_id; } else if (c->x86 == 0x17 && c->x86_model <= 0x1F) { /* * LLC is at the core complex level. --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1768,7 +1768,7 @@ static void validate_apic_and_package_id cpu, apicid, c->topo.initial_apicid); } BUG_ON(topology_update_package_map(c->topo.pkg_id, cpu)); - BUG_ON(topology_update_die_map(c->cpu_die_id, cpu)); + BUG_ON(topology_update_die_map(c->topo.die_id, cpu)); #else c->logical_proc_id = 0; #endif --- a/arch/x86/kernel/cpu/hygon.c +++ b/arch/x86/kernel/cpu/hygon.c @@ -72,7 +72,7 @@ static void hygon_get_topology(struct cp cpuid(0x8000001e, &eax, &ebx, &ecx, &edx); - c->cpu_die_id = ecx & 0xff; + c->topo.die_id = ecx & 0xff; c->cpu_core_id = ebx & 0xff; @@ -95,9 +95,9 @@ static void hygon_get_topology(struct cp u64 value; rdmsrl(MSR_FAM10H_NODE_ID, value); - c->cpu_die_id = value & 7; + c->topo.die_id = value & 7; - per_cpu(cpu_llc_id, cpu) = c->cpu_die_id; + per_cpu(cpu_llc_id, cpu) = c->topo.die_id; } else return; @@ -120,7 +120,7 @@ static void hygon_detect_cmp(struct cpui /* Convert the initial APIC ID into the socket ID */ c->topo.pkg_id = c->topo.initial_apicid >> bits; /* use socket ID also for last level cache */ - per_cpu(cpu_llc_id, cpu) = c->cpu_die_id = c->topo.pkg_id; + per_cpu(cpu_llc_id, cpu) = c->topo.die_id = c->topo.pkg_id; } static void srat_detect_node(struct cpuinfo_x86 *c) --- a/arch/x86/kernel/cpu/topology.c +++ b/arch/x86/kernel/cpu/topology.c @@ -150,7 +150,7 @@ int detect_extended_topology(struct cpui ht_mask_width) & core_select_mask; if (die_level_present) { - c->cpu_die_id = apic->phys_pkg_id(c->topo.initial_apicid, + c->topo.die_id = apic->phys_pkg_id(c->topo.initial_apicid, core_plus_mask_width) & die_select_mask; } --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -368,7 +368,7 @@ static int topology_phys_to_logical_die( for_each_possible_cpu(cpu) { struct cpuinfo_x86 *c = &cpu_data(cpu); - if (c->initialized && c->cpu_die_id == die_id && + if (c->initialized && c->topo.die_id == die_id && c->topo.pkg_id == proc_id) return c->logical_die_id; } @@ -430,7 +430,7 @@ void __init smp_store_boot_cpu_info(void *c = boot_cpu_data; c->cpu_index = id; topology_update_package_map(c->topo.pkg_id, id); - topology_update_die_map(c->cpu_die_id, id); + topology_update_die_map(c->topo.die_id, id); c->initialized = true; } @@ -485,7 +485,7 @@ static bool match_smt(struct cpuinfo_x86 int cpu1 = c->cpu_index, cpu2 = o->cpu_index; if (c->topo.pkg_id == o->topo.pkg_id && - c->cpu_die_id == o->cpu_die_id && + c->topo.die_id == o->topo.die_id && per_cpu(cpu_llc_id, cpu1) == per_cpu(cpu_llc_id, cpu2)) { if (c->cpu_core_id == o->cpu_core_id) return topology_sane(c, o, "smt"); @@ -497,7 +497,7 @@ static bool match_smt(struct cpuinfo_x86 } } else if (c->topo.pkg_id == o->topo.pkg_id && - c->cpu_die_id == o->cpu_die_id && + c->topo.die_id == o->topo.die_id && c->cpu_core_id == o->cpu_core_id) { return topology_sane(c, o, "smt"); } @@ -508,7 +508,7 @@ static bool match_smt(struct cpuinfo_x86 static bool match_die(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o) { if (c->topo.pkg_id == o->topo.pkg_id && - c->cpu_die_id == o->cpu_die_id) + c->topo.die_id == o->topo.die_id) return true; return false; }

[03/29] x86/cpu: Move cpu_die_id into topology info

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