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From: Vladimir Kondratiev <Vladimir.Kondratiev@mobileye.com>
To: Anup Patel <anup@brainfault.org>
Cc: Thomas Gleixner <tglx@kernel.org>, Radu Rendec <radu@rendec.net>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Clark Williams <clrkwllms@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Jessica Liu <liu.xuemei1@zte.com.cn>,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	linux-rt-devel@lists.linux.dev
Subject: Re: [PATCH v5 2/2] irqchip/riscv-aplic: force synchronous probing
Date: Thu, 12 Nov 2026 14:11:11 +0200	[thread overview]
Message-ID: <a35f6eb0-ed5c-4ba4-85d0-c3a6d6bbe8ac@mobileye.com> (raw)
In-Reply-To: <CAAhSdy2kxydOk9wPdBtVHCTN2uDrpFbQ0WGUXHz0AUvUWAncpg@mail.gmail.com>

On 11/10/26 10:07, Anup Patel wrote:
> Making the whole driver synchronously probe is a conservative work-around.
> 
> Your original direction was good. How about the following:
> 1) Convert aplic_syscore_registered as atomic variable
> 2) Add another atomic variable aplic_direct_parent_irq_count and use
> "if (!atomic_inc_return(&aplic_direct_parent_irq_count) && domain) {"
> in aplic_direct_setup().

I will get to it some day. For now, forcing synchronous probing is the
easiest way to get things functionally correct, even not most flexible.

Thanks, Vladimir

      reply	other threads:[~2026-11-12 12:11 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-20 15:38 [PATCH v5 0/2] irqchip/riscv-aplic: fix probing of multiple APLIC instances Vladimir Kondratiev
2026-10-20 15:38 ` [PATCH v5 1/2] irqchip/riscv-aplic: do not mark the syscore registered flag ro_after_init Vladimir Kondratiev
2026-11-09  9:22   ` [tip: irq/drivers] irqchip/riscv-aplic: Do " tip-bot2 for Vladimir Kondratiev
2026-10-20 15:38 ` [PATCH v5 2/2] irqchip/riscv-aplic: force synchronous probing Vladimir Kondratiev
2026-11-09  9:22   ` [tip: irq/drivers] irqchip/riscv-aplic: Force " tip-bot2 for Vladimir Kondratiev
2026-11-10  8:07   ` [PATCH v5 2/2] irqchip/riscv-aplic: force " Anup Patel
2026-11-12 12:11     ` Vladimir Kondratiev [this message]

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