linux-kernel - Re: [PATCH 3/5] genirq: Introduce two helper functions

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Date:   Tue, 31 Jan 2023 10:42:19 -0600
From:   Shanker Donthineni <sdonthineni@...dia.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, Michael Walle <michael@...le.cc>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Hans de Goede <hdegoede@...hat.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] genirq: Introduce two helper functions



On 1/31/23 03:20, Thomas Gleixner wrote:
> External email: Use caution opening links or attachments
> 
> 
> On Sun, Jan 29 2023 at 18:57, Shanker Donthineni wrote:
>> Introduce helper functions irq_find_free_area() and irq_find_next_irq().
>> The first function is used to locate available free space for a new IRQ,
>> and the second one is used to find the next valid IRQ.
>>
>> These helper functions will be later modified to utilize the Maple data
> 
> So you first introduce helpers just to modify them in the next patch?
> 
> What you want to say here in this changelog is:
> 
>       genirq: Encapsulate sparse bitmap handling
> 
>       Move the open coded sparse bitmap handling into helper functions as
>       a preparatory step for converting the sparse interrupt management
>       to a maple tree.
> 
>       No functional change.
> 

Thanks, I'll update in v2 patch.