From: Thomas Gleixner <tglx@linutronix.de>
To: Andrew Cooper <andrew.cooper3@citrix.com>,
LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, David Woodhouse <dwmw2@infradead.org>,
Brian Gerst <brgerst@gmail.com>,
Arjan van de Veen <arjan@linux.intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Paul McKenney <paulmck@kernel.org>,
Tom Lendacky <thomas.lendacky@amd.com>,
Sean Christopherson <seanjc@google.com>,
Oleksandr Natalenko <oleksandr@natalenko.name>,
Paul Menzel <pmenzel@molgen.mpg.de>,
"Guilherme G. Piccoli" <gpiccoli@igalia.com>,
Piotr Gorski <lucjan.lucjanov@gmail.com>,
Usama Arif <usama.arif@bytedance.com>,
Juergen Gross <jgross@suse.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
xen-devel@lists.xenproject.org,
Russell King <linux@armlinux.org.uk>,
Arnd Bergmann <arnd@arndb.de>,
linux-arm-kernel@lists.infradead.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
linux-csky@vger.kernel.org,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-mips@vger.kernel.org,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>,
linux-parisc@vger.kernel.org,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
linux-riscv@lists.infradead.org,
Mark Rutland <mark.rutland@arm.com>,
Sabin Rapan <sabrapan@amazon.com>,
"Michael Kelley (LINUX)" <mikelley@microsoft.com>
Subject: Re: [patch V2 34/38] x86/cpu/amd; Invoke detect_extended_topology_early() on boot CPU
Date: Fri, 05 May 2023 14:45:28 +0200 [thread overview]
Message-ID: <87354b3q1j.ffs@tglx> (raw)
In-Reply-To: <38b259bb-050b-023e-4f43-212f95f022ac@citrix.com>
On Fri, May 05 2023 at 00:04, Andrew Cooper wrote:
> On 04/05/2023 8:02 pm, Thomas Gleixner wrote:
>> From: Thomas Gleixner <tglx@linutronix.de>
>>
>> The early detection stores the extended topology leaf number which is
>> required for parallel hotplug.
>>
>> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
>
> It occurs to me that this and the previous patch are stale given that we
> no longer look at CPUID in the trampoline.
>
> They're probably useful changes in isolation, but the commit messages
> want adjusting to remove the association with parallel boot.
Duh. Indeed. Completely forgot about that.
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next prev parent reply other threads:[~2023-05-05 12:46 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-04 19:01 [patch V2 00/38] cpu/hotplug, x86: Reworked parallel CPU bringup Thomas Gleixner
2023-05-04 19:02 ` [patch V2 01/38] x86/smpboot: Cleanup topology_phys_to_logical_pkg()/die() Thomas Gleixner
2023-05-04 19:02 ` [patch V2 02/38] cpu/hotplug: Mark arch_disable_smp_support() and bringup_nonboot_cpus() __init Thomas Gleixner
2023-05-04 19:02 ` [patch V2 03/38] x86/smpboot: Avoid pointless delay calibration if TSC is synchronized Thomas Gleixner
2023-05-04 19:02 ` [patch V2 04/38] x86/smpboot: Rename start_cpu0() to soft_restart_cpu() Thomas Gleixner
2023-05-04 19:02 ` [patch V2 05/38] x86/topology: Remove CPU0 hotplug option Thomas Gleixner
2023-05-04 19:02 ` [patch V2 06/38] x86/smpboot: Remove the CPU0 hotplug kludge Thomas Gleixner
2023-05-04 19:02 ` [patch V2 07/38] x86/smpboot: Restrict soft_restart_cpu() to SEV Thomas Gleixner
2023-05-04 19:02 ` [patch V2 08/38] x86/smpboot: Split up native_cpu_up() into separate phases and document them Thomas Gleixner
2023-05-04 19:02 ` [patch V2 09/38] x86/smpboot: Get rid of cpu_init_secondary() Thomas Gleixner
2023-05-04 19:02 ` [patch V2 10/38] x86/cpu/cacheinfo: Remove cpu_callout_mask dependency Thomas Gleixner
2023-05-04 19:02 ` [patch V2 11/38] x86/smpboot: Move synchronization masks to SMP boot code Thomas Gleixner
2023-05-04 19:02 ` [patch V2 12/38] x86/smpboot: Make TSC synchronization function call based Thomas Gleixner
2023-05-04 19:02 ` [patch V2 13/38] x86/smpboot: Remove cpu_callin_mask Thomas Gleixner
2023-05-04 19:02 ` [patch V2 14/38] cpu/hotplug: Rework sparse_irq locking in bringup_cpu() Thomas Gleixner
2023-05-04 19:02 ` [patch V2 15/38] x86/smpboot: Remove wait for cpu_online() Thomas Gleixner
2023-05-04 19:02 ` [patch V2 16/38] x86/xen/smp_pv: Remove wait for CPU online Thomas Gleixner
2023-05-04 19:02 ` [patch V2 17/38] x86/xen/hvm: Get rid of DEAD_FROZEN handling Thomas Gleixner
2023-05-04 19:02 ` [patch V2 18/38] cpu/hotplug: Add CPU state tracking and synchronization Thomas Gleixner
2023-05-04 19:02 ` [patch V2 19/38] x86/smpboot: Switch to hotplug core state synchronization Thomas Gleixner
2023-05-04 19:02 ` [patch V2 20/38] cpu/hotplug: Remove cpu_report_state() and related unused cruft Thomas Gleixner
2023-05-04 19:02 ` [patch V2 21/38] ARM: smp: Switch to hotplug core state synchronization Thomas Gleixner
2023-05-04 19:02 ` [patch V2 22/38] arm64: " Thomas Gleixner
2023-05-04 19:02 ` [patch V2 23/38] csky/smp: " Thomas Gleixner
2023-05-04 19:02 ` [patch V2 24/38] MIPS: SMP_CPS: " Thomas Gleixner
2023-05-04 19:02 ` [patch V2 25/38] parisc: " Thomas Gleixner
2023-05-04 19:02 ` [patch V2 26/38] riscv: " Thomas Gleixner
2023-05-04 19:02 ` [patch V2 27/38] cpu/hotplug: Remove unused state functions Thomas Gleixner
2023-05-04 19:02 ` [patch V2 28/38] cpu/hotplug: Reset task stack state in _cpu_up() Thomas Gleixner
2023-05-04 19:02 ` [patch V2 29/38] cpu/hotplug: Provide a split up CPUHP_BRINGUP mechanism Thomas Gleixner
2023-05-04 19:02 ` [patch V2 30/38] x86/smpboot: Enable split CPU startup Thomas Gleixner
2023-05-04 19:02 ` [patch V2 31/38] x86/apic: Provide cpu_primary_thread mask Thomas Gleixner
2023-05-04 19:02 ` [patch V2 32/38] cpu/hotplug: Allow "parallel" bringup up to CPUHP_BP_KICK_AP_STATE Thomas Gleixner
2023-05-04 19:02 ` [patch V2 33/38] x86/topology: Store extended topology leaf information Thomas Gleixner
2023-05-04 19:02 ` [patch V2 34/38] x86/cpu/amd; Invoke detect_extended_topology_early() on boot CPU Thomas Gleixner
2023-05-04 23:04 ` Andrew Cooper
2023-05-05 12:45 ` Thomas Gleixner [this message]
2023-05-04 19:02 ` [patch V2 35/38] x86/apic: Save the APIC virtual base address Thomas Gleixner
2023-05-04 19:02 ` [patch V2 36/38] x86/smpboot: Implement a bit spinlock to protect the realmode stack Thomas Gleixner
2023-05-04 19:02 ` [patch V2 37/38] x86/smpboot: Support parallel startup of secondary CPUs Thomas Gleixner
2023-05-04 19:03 ` [patch V2 38/38] x86/smpboot/64: Implement arch_cpuhp_init_parallel_bringup() and enable it Thomas Gleixner
2023-05-06 0:53 ` Michael Kelley (LINUX)
2023-05-06 16:22 ` Thomas Gleixner
2023-05-07 4:14 ` Michael Kelley (LINUX)
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