From:   Thomas Gleixner <tglx@linutronix.de>
To:     Shanker Donthineni <sdonthineni@nvidia.com>,
        Marc Zyngier <maz@kernel.org>, Michael Walle <michael@walle.cc>
Cc:     Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Hans de Goede <hdegoede@redhat.com>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Shanker Donthineni <sdonthineni@nvidia.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/5] genirq: Allocate IRQ descriptors at boot time for
 !SPARSEIRQ
In-Reply-To: <20230130005725.3517597-3-sdonthineni@nvidia.com>
References: <20230130005725.3517597-1-sdonthineni@nvidia.com>
 <20230130005725.3517597-3-sdonthineni@nvidia.com>
Date:   Tue, 31 Jan 2023 10:16:55 +0100
Message-ID: <87mt5z12t4.ffs@tglx>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

On Sun, Jan 29 2023 at 18:57, Shanker Donthineni wrote:

> Remove the use of statically allocated arrays for IRQ descriptors.
> Instead, allocate the necessary NR_IRQ descriptors during the boot
> time in early_irq_init().

That's not what I meant. I was pondering to remove !SPARSEIRQ
completely.

That allocation does not buy us much.

Thanks,

        tglx