From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Chuyi Zhou <zhouchuyi@bytedance.com>
Cc: tglx@kernel.org, mingo@redhat.com, luto@kernel.org,
peterz@infradead.org, paulmck@kernel.org, muchun.song@linux.dev,
bp@alien8.de, dave.hansen@linux.intel.com, pbonzini@redhat.com,
clrkwllms@kernel.org, rostedt@goodmis.org, nadav.amit@gmail.com,
vkuznets@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 10/14] x86/mm: Factor out flush_tlb_info initialization
Date: Tue, 16 Jun 2026 15:14:23 +0200 [thread overview]
Message-ID: <20260616131423.RAUf1C_N@linutronix.de> (raw)
In-Reply-To: <20260616111127.966468-11-zhouchuyi@bytedance.com>
On 2026-06-16 19:11:23 [+0800], Chuyi Zhou wrote:
> get_flush_tlb_info() currently does two things: it reserves the per-CPU
> flush_tlb_info storage and initializes the fields that describe the
> flush.
>
> Split the field setup into init_flush_tlb_info(). The per-CPU storage,
> DEBUG_VM reentrancy check and put_flush_tlb_info() lifetime rules are
> unchanged.
>
> This is a preparatory cleanup for allowing callers to provide their own
> flush_tlb_info storage.
>
> Signed-off-by: Chuyi Zhou <zhouchuyi@bytedance.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Sebastian
next prev parent reply other threads:[~2026-06-16 13:14 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-16 11:11 [PATCH v8 00/14] Allow preemption during IPI completion waiting to improve real-time performance Chuyi Zhou
2026-06-16 11:11 ` [PATCH v8 01/14] smp: Disable preemption explicitly in __csd_lock_wait() Chuyi Zhou
2026-06-26 13:38 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 02/14] smp: Enable preemption early in smp_call_function_single() Chuyi Zhou
2026-06-26 13:44 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 03/14] smp: Refactor remote CPU selection in smp_call_function_any() Chuyi Zhou
2026-06-26 13:49 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 04/14] smp: Use task-local IPI cpumask in smp_call_function_many_cond() Chuyi Zhou
2026-06-26 14:29 ` Thomas Gleixner
2026-06-26 15:47 ` Chuyi Zhou
2026-06-26 16:07 ` Chuyi Zhou
2026-06-26 19:07 ` Thomas Gleixner
2026-06-27 0:52 ` Chuyi Zhou
2026-06-16 11:11 ` [PATCH v8 05/14] smp: Alloc percpu csd data in smpcfd_prepare_cpu() only once Chuyi Zhou
2026-06-26 14:32 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 06/14] smp: Enable preemption early in smp_call_function_many_cond() Chuyi Zhou
2026-06-26 14:40 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 07/14] smp: Remove preempt_disable() from smp_call_function() Chuyi Zhou
2026-06-26 14:42 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 08/14] smp: Remove preempt_disable() from on_each_cpu_cond_mask() Chuyi Zhou
2026-06-16 11:11 ` [PATCH v8 09/14] scftorture: Remove preempt_disable() in scftorture_invoke_one() Chuyi Zhou
2026-06-26 14:44 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 10/14] x86/mm: Factor out flush_tlb_info initialization Chuyi Zhou
2026-06-16 13:14 ` Sebastian Andrzej Siewior [this message]
2026-06-16 11:11 ` [PATCH v8 11/14] x86/mm: Cap flush_tlb_info alignment at 64 bytes Chuyi Zhou
2026-06-16 13:20 ` Sebastian Andrzej Siewior
2026-06-16 15:36 ` Chuyi Zhou
2026-06-26 14:49 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 12/14] x86/mm: Move flush_tlb_info back to the stack Chuyi Zhou
2026-06-26 14:57 ` Thomas Gleixner
2026-06-16 11:11 ` [PATCH v8 13/14] x86/kvm: Disable preemption in kvm_flush_tlb_multi() Chuyi Zhou
2026-06-16 13:46 ` Sebastian Andrzej Siewior
2026-06-16 11:11 ` [PATCH v8 14/14] x86/mm: Re-enable preemption before flush_tlb_multi() Chuyi Zhou
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