From: Sohil Mehta <sohil.mehta@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
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>,
K Prateek Nayak <kprateek.nayak@amd.com>,
"Kan Liang" <kan.liang@linux.intel.com>,
Zhang Rui <rui.zhang@intel.com>,
"Paul E. McKenney" <paulmck@kernel.org>,
Feng Tang <feng.tang@intel.com>,
"Andy Shevchenko" <andy@infradead.org>,
Michael Kelley <mhklinux@outlook.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>
Subject: Re: [patch v2 25/30] x86/cpu/topology: Use topology logical mapping mechanism
Date: Thu, 1 Feb 2024 14:31:21 -0800 [thread overview]
Message-ID: <15d8e520-c129-4b09-9a25-ecee5da36ca6@intel.com> (raw)
In-Reply-To: <20240118123649.971809766@linutronix.de>
On 1/23/2024 5:11 AM, Thomas Gleixner wrote:
> --- a/arch/x86/include/asm/topology.h
> +++ b/arch/x86/include/asm/topology.h
> @@ -172,6 +172,13 @@ static inline int topology_get_logical_i
> #define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu))
> #define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu))
>
> +
This additional new line can be avoided.
> +static inline int topology_phys_to_logical_pkg(unsigned int pkg)
> +{
> + return topology_get_logical_id(pkg << x86_topo_system.dom_shifts[TOPO_PKG_DOMAIN],
> + TOPO_PKG_DOMAIN);
> +}
> +
next prev parent reply other threads:[~2024-02-01 22:32 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-23 13:10 [patch v2 00/30] x86/apic: Rework APIC registration Thomas Gleixner
2024-01-23 13:10 ` [patch v2 01/30] x86/cpu/topology: Move registration out of APIC code Thomas Gleixner
2024-01-23 13:10 ` [patch v2 02/30] x86/cpu/topology: Provide separate APIC registration functions Thomas Gleixner
2024-01-23 13:10 ` [patch v2 03/30] x86/acpi: Use new " Thomas Gleixner
2024-01-23 13:10 ` [patch v2 04/30] x86/jailhouse: Use new APIC registration function Thomas Gleixner
2024-01-23 13:10 ` [patch v2 05/30] x86/of: Use new APIC registration functions Thomas Gleixner
2024-01-23 13:10 ` [patch v2 06/30] x86/mpparse: Use new APIC registration function Thomas Gleixner
2024-01-23 13:11 ` [patch v2 07/30] x86/acpi: Dont invoke topology_register_apic() for XEN PV Thomas Gleixner
2024-01-23 13:11 ` [patch v2 08/30] x86/xen/smp_pv: Register fake APICs Thomas Gleixner
2024-01-23 13:11 ` [patch v2 09/30] x86/cpu/topology: Confine topology information Thomas Gleixner
2024-01-23 13:11 ` [patch v2 10/30] x86/cpu/topology: Simplify APIC registration Thomas Gleixner
2024-01-23 13:11 ` [patch v2 11/30] x86/cpu/topology: Use a data structure for topology info Thomas Gleixner
2024-01-23 13:11 ` [patch v2 12/30] x86/smpboot: Make error message actually useful Thomas Gleixner
2024-01-23 13:11 ` [patch v2 13/30] x86/cpu/topology: Sanitize the APIC admission logic Thomas Gleixner
2024-01-23 13:11 ` [patch v2 14/30] x86/cpu/topology: Rework possible CPU management Thomas Gleixner
2024-01-31 23:47 ` Sohil Mehta
2024-01-23 13:11 ` [patch v2 15/30] x86/cpu: Detect real BSP on crash kernels Thomas Gleixner
2024-01-31 17:59 ` Michael Kelley
2024-01-23 13:11 ` [patch v2 16/30] x86/topology: Add a mechanism to track topology via APIC IDs Thomas Gleixner
2024-01-23 13:11 ` [patch v2 17/30] x86/cpu/topology: Reject unknown APIC IDs on ACPI hotplug Thomas Gleixner
2024-01-23 13:11 ` [patch v2 18/30] x86/cpu/topology: Assign hotpluggable CPUIDs during init Thomas Gleixner
2024-01-23 13:11 ` [patch v2 19/30] x86/xen/smp_pv: Count number of vCPUs early Thomas Gleixner
2024-01-23 13:11 ` [patch v2 20/30] x86/cpu/topology: Let XEN/PV use topology from CPUID/MADT Thomas Gleixner
2024-01-23 13:11 ` [patch v2 21/30] x86/cpu/topology: Use topology bitmaps for sizing Thomas Gleixner
2024-01-26 7:07 ` Zhang, Rui
2024-01-26 20:22 ` Thomas Gleixner
2024-01-28 20:01 ` Paul E. McKenney
2024-02-12 16:40 ` Thomas Gleixner
2024-02-12 19:49 ` Michael Kelley
2024-02-13 20:23 ` Sohil Mehta
2024-01-23 13:11 ` [patch v2 22/30] x86/cpu/topology: Mop up primary thread mask handling Thomas Gleixner
2024-01-23 13:11 ` [patch v2 23/30] x86/cpu/topology: Simplify cpu_mark_primary_thread() Thomas Gleixner
2024-01-23 13:11 ` [patch v2 24/30] x86/cpu/topology: Provide logical pkg/die mapping Thomas Gleixner
2024-01-23 13:11 ` [patch v2 25/30] x86/cpu/topology: Use topology logical mapping mechanism Thomas Gleixner
2024-02-01 22:31 ` Sohil Mehta [this message]
2024-02-02 6:45 ` Zhang, Rui
2024-02-12 16:21 ` Thomas Gleixner
2024-01-23 13:11 ` [patch v2 26/30] x86/cpu/topology: Retrieve cores per package from topology bitmaps Thomas Gleixner
2024-01-23 13:11 ` [patch v2 27/30] x86/cpu/topology: Rename smp_num_siblings Thomas Gleixner
2024-01-23 13:11 ` [patch v2 28/30] x86/cpu/topology: Rename topology_max_die_per_package() Thomas Gleixner
2024-01-23 13:11 ` [patch v2 29/30] x86/cpu/topology: Provide __num_[cores|threads]_per_package Thomas Gleixner
2024-01-23 13:11 ` [patch v2 30/30] x86/cpu/topology: Get rid of cpuinfo::x86_max_cores Thomas Gleixner
2024-01-24 14:31 ` [patch v2 00/30] x86/apic: Rework APIC registration Zhang, Rui
2024-02-01 22:10 ` Sohil Mehta
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