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From: Thomas Gleixner <tglx@linutronix.de>
To: Marc Zyngier <maz@kernel.org>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Sascha Bischoff <sascha.bischoff@arm.com>,
	Timothy Hayes <timothy.hayes@arm.com>
Subject: Re: [PATCH v2 5/5] irqchip/gic-v3-its: Use allocation size from the prepare call
Date: Sun, 18 May 2025 20:53:42 +0200	[thread overview]
Message-ID: <8734d1iwcp.ffs@tglx> (raw)
In-Reply-To: <20250513163144.2215824-6-maz@kernel.org>

On Tue, May 13 2025 at 17:31, Marc Zyngier wrote:

> Now that .msi_prepare() gets called at the right time and not
> with semi-random parameters, remove the ugly hack that tried
> to fix up the number of allocated vectors.
>
> It is now correct by construction.

FWIW, while looking at something related, it occured to me that with
this change you can enable MSI_FLAG_PCI_MSIX_ALLOC_DYN now on GIC ITS.

Thanks,

        tglx


  parent reply	other threads:[~2025-05-18 18:55 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-13 16:31 [PATCH v2 0/5] genirq/msi: Fix device MSI prepare/alloc sequencing Marc Zyngier
2025-05-13 16:31 ` [PATCH v2 1/5] genirq/msi: Add .msi_teardown() callback as the reverse of .msi_prepare() Marc Zyngier
2025-05-16 10:02   ` [tip: irq/msi] " tip-bot2 for Marc Zyngier
2025-05-13 16:31 ` [PATCH v2 2/5] irqchip/gic-v3-its: Implement .msi_teardown() callback Marc Zyngier
2025-05-16 10:02   ` [tip: irq/msi] " tip-bot2 for Marc Zyngier
2025-05-13 16:31 ` [PATCH v2 3/5] genirq/msi: Move prepare() call to per-device allocation Marc Zyngier
2025-05-16 10:02   ` [tip: irq/msi] " tip-bot2 for Marc Zyngier
2025-06-03  8:22   ` [PATCH v2 3/5] " Zenghui Yu
2025-06-03  9:35     ` Lorenzo Pieralisi
2025-06-03 13:09       ` Marc Zyngier
2025-06-03 14:37         ` Lorenzo Pieralisi
2025-06-04  1:52           ` Zenghui Yu
2025-06-03 12:50     ` Marc Zyngier
2025-06-03 13:07       ` Zenghui Yu
2025-06-03 13:27         ` Marc Zyngier
2025-06-03 13:29       ` Lorenzo Pieralisi
2025-06-03 14:03         ` Marc Zyngier
2025-06-03 14:08           ` Marc Zyngier
2025-05-13 16:31 ` [PATCH v2 4/5] genirq/msi: Engage the .msi_teardown() callback on domain removal Marc Zyngier
2025-05-16 10:02   ` [tip: irq/msi] " tip-bot2 for Marc Zyngier
2025-05-13 16:31 ` [PATCH v2 5/5] irqchip/gic-v3-its: Use allocation size from the prepare call Marc Zyngier
2025-05-16 10:02   ` [tip: irq/msi] " tip-bot2 for Marc Zyngier
2025-05-18 18:53   ` Thomas Gleixner [this message]
2025-05-19 10:15     ` [PATCH v2 5/5] " Marc Zyngier
2025-05-19 12:16       ` Thomas Gleixner
2025-05-19 14:28         ` Marc Zyngier
2025-05-21 15:29           ` Thomas Gleixner

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