From: Muchun Song <muchun.song@linux.dev>
To: Chuyi Zhou <zhouchuyi@bytedance.com>
Cc: tglx@linutronix.de, mingo@redhat.com, luto@kernel.org,
peterz@infradead.org, paulmck@kernel.org, bp@alien8.de,
dave.hansen@linux.intel.com, pbonzini@redhat.com,
bigeasy@linutronix.de, clrkwllms@kernel.org, rostedt@goodmis.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 08/12] smp: Remove preempt_disable from on_each_cpu_cond_mask
Date: Tue, 10 Mar 2026 15:06:29 +0800 [thread overview]
Message-ID: <DBFF8D09-C675-42FF-82DE-2AB5523935B0@linux.dev> (raw)
In-Reply-To: <20260302075216.2170675-9-zhouchuyi@bytedance.com>
> On Mar 2, 2026, at 15:52, Chuyi Zhou <zhouchuyi@bytedance.com> wrote:
>
> Now smp_call_function_many_cond() internally handles the preemption logic,
> so on_each_cpu_cond_mask does not need to explicitly disable preemption.
> Remove preempt_{enable, disable} from on_each_cpu_cond_mask().
>
> Signed-off-by: Chuyi Zhou <zhouchuyi@bytedance.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
Thanks.
next prev parent reply other threads:[~2026-03-10 7:07 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-02 7:52 [PATCH v2 00/12] Allow preemption during IPI completion waiting to improve real-time performance Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 01/12] smp: Disable preemption explicitly in __csd_lock_wait Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 02/12] smp: Enable preemption early in smp_call_function_single Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 03/12] smp: Remove get_cpu from smp_call_function_any Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 04/12] smp: Use on-stack cpumask in smp_call_function_many_cond Chuyi Zhou
2026-03-10 7:12 ` Muchun Song
2026-03-02 7:52 ` [PATCH v2 05/12] smp: Free call_function_data via RCU in smpcfd_dead_cpu Chuyi Zhou
2026-03-10 7:05 ` Muchun Song
2026-03-10 7:26 ` Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 06/12] smp: Enable preemption early in smp_call_function_many_cond Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 07/12] smp: Remove preempt_disable from smp_call_function Chuyi Zhou
2026-03-10 7:06 ` Muchun Song
2026-03-02 7:52 ` [PATCH v2 08/12] smp: Remove preempt_disable from on_each_cpu_cond_mask Chuyi Zhou
2026-03-10 7:06 ` Muchun Song [this message]
2026-03-02 7:52 ` [PATCH v2 09/12] scftorture: Remove preempt_disable in scftorture_invoke_one Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 10/12] x86/mm: Move flush_tlb_info back to the stack Chuyi Zhou
2026-03-02 14:58 ` Peter Zijlstra
2026-03-03 3:20 ` Chuyi Zhou
2026-03-05 7:01 ` Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 11/12] x86/mm: Enable preemption during native_flush_tlb_multi Chuyi Zhou
2026-03-02 7:52 ` [PATCH v2 12/12] x86/mm: Enable preemption during flush_tlb_kernel_range Chuyi Zhou
2026-03-10 6:35 ` kernel test robot
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