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

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Message-Id: <20200912.182650.260627332372424414.davem@davemloft.net>
Date:   Sat, 12 Sep 2020 18:26:50 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     christophe.jaillet@...adoo.fr
Cc:     kuba@...nel.org, chessman@....org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] tlan: switch from 'pci_' to 'dma_' API

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Date: Sat, 12 Sep 2020 09:43:58 +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 'tlan_init()' GFP_KERNEL can be used because
> it is only called from a probe function or a module_init function and no
> lock is taken in the between.
> The call chain is:
>   tlan_probe                        (module_init function)
>     --> tlan_eisa_probe
> or
>   tlan_init_one                     (probe function)
> 
> then in both cases:
>     --> tlan_probe1
>       --> tlan_init
> 
 ...
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Applied.