linux-kernel - Re: [PATCH] starfire: switch from 'pci_' to 'dma

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Message-Id: <20200824.173344.243536176380574391.davem@davemloft.net>
Date:   Mon, 24 Aug 2020 17:33:44 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     christophe.jaillet@...adoo.fr
Cc:     ionut@...ula.org, kuba@...nel.org, snelson@...sando.io,
        leon@...nel.org, hkallweit1@...il.com, vaibhavgupta40@...il.com,
        mst@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] starfire: switch from 'pci_' to 'dma_' API

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Date: Sun, 23 Aug 2020 08:26:41 +0200

> The wrappers in include/linux/pci-dma-compat.h should go away.
> 
> The patch has been generated with the coccinelle script below and has been
> hand modified to replace GFP_ with a correct flag.
> It has been compile tested.
> 
> When memory is allocated in 'netdev_open()', GFP_ATOMIC must be used
> because it can be called from a .ndo_tx_timeout function.
> So this function can be called with the 'netif_tx_lock' acquired.
> The call chain is:
>   --> tx_timeout                 (.ndo_tx_timeout function)
>     --> netdev_open
> 
 ...
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Applied.