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Re: [patch V4 00/37] cpu/hotplug, x86: Reworked parallel CPU bringup
- To: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>
- From: "Guilherme G. Piccoli" <gpiccoli@xxxxxxxxxx>
- Date: Sun, 14 May 2023 18:48:50 -0300
- Cc: x86@xxxxxxxxxx, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Brian Gerst <brgerst@xxxxxxxxx>, Arjan van de Veen <arjan@xxxxxxxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Paul McKenney <paulmck@xxxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>, Paul Menzel <pmenzel@xxxxxxxxxxxxx>, Piotr Gorski <lucjan.lucjanov@xxxxxxxxx>, Usama Arif <usama.arif@xxxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Russell King <linux@xxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, linux-csky@xxxxxxxxxxxxxxx, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, linux-mips@xxxxxxxxxxxxxxx, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, linux-parisc@xxxxxxxxxxxxxxx, Paul Walmsley <paul.walmsley@xxxxxxxxxx>, Palmer Dabbelt <palmer@xxxxxxxxxxx>, linux-riscv@xxxxxxxxxxxxxxxxxxx, Mark Rutland <mark.rutland@xxxxxxx>, Sabin Rapan <sabrapan@xxxxxxxxxx>, "Michael Kelley (LINUX)" <mikelley@xxxxxxxxxxxxx>, Ross Philipson <ross.philipson@xxxxxxxxxx>
- Delivery-date: Sun, 14 May 2023 21:50:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 12/05/2023 18:06, Thomas Gleixner wrote:
> Hi!
>
> This is version 4 of the reworked parallel bringup series. Version 3 can be
> found here:
>
> https://lore.kernel.org/lkml/20230508181633.089804905@xxxxxxxxxxxxx
Hi Thomas, thanks for series! I was able to test it on the Steam Deck
(on top of 6.4-rc2), and everything is working fine; also tested S3
suspend/resume, working as expected.
Some logs from boot time:
Parallel boot
[ 0.239764] smp: Bringing up secondary CPUs ...
[...]
[ 0.253130] smp: Brought up 1 node, 8 CPUs
Regular boot (with cpuhp.parallel=0)
[ 0.240093] smp: Bringing up secondary CPUs ...
[...]
[ 0.253475] smp: Brought up 1 node, 8 CPUs
Feel free to add (to the series):
Tested-by: Guilherme G. Piccoli <gpiccoli@xxxxxxxxxx> # Steam Deck
Cheers,
Guilherme
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