linux-kernel - Re: [PATCH v2 5/5] irqchip/gic-v3-its: Use allocation size from the prepare call

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

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