From: Jinjie Ruan <ruanjinjie@huawei.com>
To: Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner <tglx@kernel.org>
Cc: <catalin.marinas@arm.com>, <will@kernel.org>,
<tsbogend@alpha.franken.de>, <pjw@kernel.org>,
<palmer@dabbelt.com>, <aou@eecs.berkeley.edu>, <alex@ghiti.fr>,
<mingo@redhat.com>, <bp@alien8.de>, <dave.hansen@linux.intel.com>,
<hpa@zytor.com>, <kees@kernel.org>, <nathan@kernel.org>,
<linusw@kernel.org>, <ojeda@kernel.org>, <david.kaplan@amd.com>,
<lukas.bulwahn@redhat.com>, <ryan.roberts@arm.com>,
<maz@kernel.org>, <timothy.hayes@arm.com>,
<lpieralisi@kernel.org>, <thuth@redhat.com>, <oupton@kernel.org>,
<yeoreum.yun@arm.com>, <miko.lenczewski@arm.com>,
<broonie@kernel.org>, <kevin.brodsky@arm.com>,
<james.clark@linaro.org>, <tabba@google.com>,
<mrigendra.chaubey@gmail.com>, <arnd@arndb.de>,
<anshuman.khandual@arm.com>, <x86@kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mips@vger.kernel.org>, <linux-riscv@lists.infradead.org>
Subject: Re: [PATCH RFC 1/3] cpu/hotplug: Introduce CONFIG_PARALLEL_SMT_PRIMARY_FIRST
Date: Mon, 22 Jun 2026 15:50:58 +0800 [thread overview]
Message-ID: <b0a758f9-0836-4d99-a424-573e5c8d1fe4@huawei.com> (raw)
In-Reply-To: <20260619094130.GU49951@noisy.programming.kicks-ass.net>
On 6/19/2026 5:41 PM, Peter Zijlstra wrote:
> On Thu, Jun 18, 2026 at 05:17:03PM +0200, Thomas Gleixner wrote:
>
>> Something simple like the uncompiled below should just work, no?
>>
>> ---
>> --- a/arch/Kconfig
>> +++ b/arch/Kconfig
>> @@ -102,6 +102,10 @@ config HOTPLUG_PARALLEL
>> bool
>> select HOTPLUG_SPLIT_STARTUP
>>
>> +config HOTPLUG_PARALLEL_SMT
>> + bool
>> + select HOTPLUG_PARALLEL
>
> depends on ARCH_SUPPORTS_SCHED_SMT ?
Maybe select HOTPLUG_SMT?
next prev parent reply other threads:[~2026-06-22 7:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-11 13:38 [PATCH RFC 0/3] arm64: Add HOTPLUG_PARALLEL support for secondary CPUs Jinjie Ruan
2026-06-11 13:38 ` [PATCH RFC 1/3] cpu/hotplug: Introduce CONFIG_PARALLEL_SMT_PRIMARY_FIRST Jinjie Ruan
2026-06-18 15:17 ` Thomas Gleixner
2026-06-19 9:41 ` Peter Zijlstra
2026-06-19 19:27 ` Thomas Gleixner
2026-06-22 7:50 ` Jinjie Ruan [this message]
2026-06-22 7:50 ` Jinjie Ruan
2026-06-11 13:38 ` [PATCH RFC 2/3] arm64: smp: Pass CPU ID to update_cpu_boot_status() Jinjie Ruan
2026-06-11 13:38 ` [PATCH RFC 3/3] arm64: Add HOTPLUG_PARALLEL support for secondary CPUs Jinjie Ruan
2026-06-12 15:45 ` Michael Kelley
2026-06-15 8:51 ` Jinjie Ruan
2026-06-18 12:21 ` Will Deacon
2026-06-22 8:06 ` Jinjie Ruan
2026-06-23 14:30 ` Will Deacon
2026-06-24 10:00 ` Jinjie Ruan
2026-06-22 9:16 ` Jinjie Ruan
2026-06-23 14:33 ` Will Deacon
2026-06-24 9:29 ` Jinjie Ruan
2026-06-15 9:57 ` Jinjie Ruan
2026-06-18 15:53 ` Thomas Gleixner
2026-06-18 15:49 ` Thomas Gleixner
2026-06-22 8:16 ` Jinjie Ruan
2026-06-12 15:51 ` [PATCH RFC 0/3] " Michael Kelley
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