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Date:   Sun, 13 Sep 2020 14:15:53 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH V2] natsemi: switch from 'pci_' to 'dma_' API

From: Christophe JAILLET <>
Date: Sun, 13 Sep 2020 07:46:28 +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 'alloc_ring()' (natsemi.c) GFP_KERNEL can be
> used because it is only called from 'netdev_open()', which is a '.ndo_open'
> function. Such function are synchronized with the rtnl_lock() semaphore.
> When memory is allocated in 'ns83820_init_one()' (ns83820.c) GFP_KERNEL can
> be used because it is a probe function and no lock is taken in the between.
> Signed-off-by: Christophe JAILLET <>
> ---
> If needed, see post from Christoph Hellwig on the kernel-janitors ML:
> V2: fix description (duplicated comment and wrong file name)

Applied, thank you.

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