linux-kernel - Re: [PATCH v3] staging: r8188eu: Use kzalloc() with GFP

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Date:   Fri, 5 Nov 2021 18:36:33 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] staging: r8188eu: Use kzalloc() with GFP_ATOMIC in
 atomic context

Oh yeah, you're right.  It never *just* does spinlocks (as stated in the
commit message btw), it does spin_lock_bh() which bumps the soft IRQ
count.

> To summarize, I think that using in_interrupt() in the old wrappers was the 
> wiser choice.

"Wiser" is not the right word.  The wrappers were always stupid, but I
guess they did work in this case so the fixes tag is correct.

regards,
dan carpenter