From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Thomas Gleixner <tglx@linutronix.de>,
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, 5 May 2023 00:04:12 +0100 [thread overview]
Message-ID: <38b259bb-050b-023e-4f43-212f95f022ac@citrix.com> (raw)
In-Reply-To: <20230504185938.179661118@linutronix.de>
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.
~Andrew
next prev parent reply other threads:[~2023-05-04 23:04 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 [this message]
2023-05-05 12:45 ` Thomas Gleixner
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)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=38b259bb-050b-023e-4f43-212f95f022ac@citrix.com \
--to=andrew.cooper3@citrix.com \
--cc=James.Bottomley@HansenPartnership.com \
--cc=arjan@linux.intel.com \
--cc=arnd@arndb.de \
--cc=boris.ostrovsky@oracle.com \
--cc=brgerst@gmail.com \
--cc=catalin.marinas@arm.com \
--cc=deller@gmx.de \
--cc=dwmw2@infradead.org \
--cc=gpiccoli@igalia.com \
--cc=guoren@kernel.org \
--cc=jgross@suse.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-csky@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux@armlinux.org.uk \
--cc=lucjan.lucjanov@gmail.com \
--cc=mark.rutland@arm.com \
--cc=mikelley@microsoft.com \
--cc=oleksandr@natalenko.name \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=paulmck@kernel.org \
--cc=pbonzini@redhat.com \
--cc=pmenzel@molgen.mpg.de \
--cc=sabrapan@amazon.com \
--cc=seanjc@google.com \
--cc=tglx@linutronix.de \
--cc=thomas.lendacky@amd.com \
--cc=tsbogend@alpha.franken.de \
--cc=usama.arif@bytedance.com \
--cc=will@kernel.org \
--cc=x86@kernel.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).