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From: Kalle Valo <kvalo@codeaurora.org>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: stas.yakovlev@gmail.com, davem@davemloft.net, kuba@kernel.org,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: Re: [PATCH 1/2] ipw2100: Use GFP_KERNEL instead of GFP_ATOMIC in some memory allocation
Date: Sun,  2 Aug 2020 15:19:25 +0000 (UTC)
Message-ID: <20200802151925.81F7EC433C9@smtp.codeaurora.org> (raw)
In-Reply-To: <20200722101701.26126-1-christophe.jaillet@wanadoo.fr>

Christophe JAILLET <christophe.jaillet@wanadoo.fr> wrote:

> The call chain is:
>    ipw2100_pci_init_one            (the probe function)
>      --> ipw2100_queues_allocate
>        --> ipw2100_tx_allocate
> 
> No lock is taken in the between.
> So it is safe to use GFP_KERNEL in 'ipw2100_tx_allocate()'.
> 
> BTW, 'ipw2100_queues_allocate()' also calls 'ipw2100_msg_allocate()' which
> already allocates some memory using GFP_KERNEL.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

2 patches applied to wireless-drivers-next.git, thanks.

9130559cf8db ipw2100: Use GFP_KERNEL instead of GFP_ATOMIC in some memory allocation
e52525c0c320 ipw2x00: switch from 'pci_' to 'dma_' API

-- 
https://patchwork.kernel.org/patch/11678101/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches


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Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-22 10:17 Christophe JAILLET
2020-08-02 15:19 ` Kalle Valo [this message]

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