netdev - Re: [PATCH net-next v1 1/1] tg3: Increase buffer size for IRQ label

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Message-ID: <Zw9_kzsxy5npUNXk@smile.fi.intel.com>
Date: Wed, 16 Oct 2024 11:55:47 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Pavan Chebbi <pavan.chebbi@...adcom.com>,
	Michael Chan <mchan@...adcom.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next v1 1/1] tg3: Increase buffer size for IRQ label

On Tue, Oct 15, 2024 at 08:16:21AM -0700, Jakub Kicinski wrote:
> On Mon, 14 Oct 2024 13:38:10 +0300 Andy Shevchenko wrote:
> > While at it, move the respective buffer out from the structure as
> > it's used only in one caller. This also improves memory footprint
> > of struct tg3_napi.
> 
> It's passed to request_irq(), I thought request_irq() dups the string
> but I can't see it now. So please include in the commit message a
> reference to the function where the strdup (or such) of name happens 
> in the request_irq() internals.

Hmm... you are right, the name should be kept as long as device instance alive
(more precisely till calling free_irq() for the IRQ handler in question).

I will redo this part (currently I'm choosing between leaving the name in the
structure or using devm_kasprintf()for it, I'll check which one looks better
at the end).

-- 
With Best Regards,
Andy Shevchenko