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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>,
	Huang Rui <ray.huang@amd.com>, Juergen Gross <jgross@suse.com>,
	Dimitri Sivanich <dimitri.sivanich@hpe.com>,
	Michael Kelley <mikelley@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, Pu Wen <puwen@hygon.cn>,
	Qiuxu Zhuo <qiuxu.zhuo@intel.com>,
	Sohil Mehta <sohil.mehta@intel.com>
Subject: [patch V4 10/41] x86/cpu: Move cu_id into topology info
Date: Mon, 14 Aug 2023 10:53:49 +0200 (CEST)	[thread overview]
Message-ID: <20230814085112.628405546@linutronix.de> (raw)
In-Reply-To: 20230814085006.593997112@linutronix.de

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Michael Kelley <mikelley@microsoft.com>

---
 arch/x86/include/asm/processor.h |    4 +++-
 arch/x86/kernel/cpu/amd.c        |    2 +-
 arch/x86/kernel/cpu/common.c     |    2 +-
 arch/x86/kernel/smpboot.c        |    6 +++---
 4 files changed, 8 insertions(+), 6 deletions(-)

--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -89,6 +89,9 @@ struct cpuinfo_topology {
 	// Physical die ID on AMD, Relative on Intel
 	u32			die_id;
 
+	// Compute unit ID - AMD specific
+	u32			cu_id;
+
 	// Core ID relative to the package
 	u32			core_id;
 };
@@ -109,7 +112,6 @@ struct cpuinfo_x86 {
 	__u8			x86_phys_bits;
 	/* CPUID returned core id bits: */
 	__u8			x86_coreid_bits;
-	__u8			cu_id;
 	/* Max extended CPUID function supported: */
 	__u32			extended_cpuid_level;
 	/* Maximum supported CPUID level, -1=no CPUID: */
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -408,7 +408,7 @@ static void amd_get_topology(struct cpui
 		c->topo.die_id  = ecx & 0xff;
 
 		if (c->x86 == 0x15)
-			c->cu_id = ebx & 0xff;
+			c->topo.cu_id = ebx & 0xff;
 
 		if (c->x86 >= 0x17) {
 			c->topo.core_id = ebx & 0xff;
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1789,7 +1789,7 @@ static void identify_cpu(struct cpuinfo_
 	c->x86_model_id[0] = '\0';  /* Unset */
 	c->x86_max_cores = 1;
 	c->x86_coreid_bits = 0;
-	c->cu_id = 0xff;
+	c->topo.cu_id = 0xff;
 #ifdef CONFIG_X86_64
 	c->x86_clflush_size = 64;
 	c->x86_phys_bits = 36;
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -490,9 +490,9 @@ static bool match_smt(struct cpuinfo_x86
 			if (c->topo.core_id == o->topo.core_id)
 				return topology_sane(c, o, "smt");
 
-			if ((c->cu_id != 0xff) &&
-			    (o->cu_id != 0xff) &&
-			    (c->cu_id == o->cu_id))
+			if ((c->topo.cu_id != 0xff) &&
+			    (o->topo.cu_id != 0xff) &&
+			    (c->topo.cu_id == o->topo.cu_id))
 				return topology_sane(c, o, "smt");
 		}
 




  parent reply	other threads:[~2023-08-14  8:54 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 ` Thomas Gleixner [this message]
2023-10-13  9:38   ` [tip: x86/core] x86/cpu: Move cu_id " 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
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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