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Date: Mon, 24 Aug 2020 17:33:55 -0700 (PDT) From: David Miller <davem@...emloft.net> To: christophe.jaillet@...adoo.fr Cc: jcliburn@...il.com, chris.snook@...il.com, kuba@...nel.org, yanaijie@...wei.com, hkallweit1@...il.com, mhabets@...arflare.com, mst@...hat.com, leon@...nel.org, colin.king@...onical.com, yuehaibing@...wei.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org Subject: Re: [PATCH] net: atheros: switch from 'pci_' to 'dma_' API From: Christophe JAILLET <christophe.jaillet@...adoo.fr> Date: Sun, 23 Aug 2020 10:03:53 +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 'atl1e_setup_ring_resources()' (atl1e_main.c), > 'atl1_setup_ring_resources()' (atl1.c) and 'atl2_setup_ring_resources()' > (atl2.c) GFP_KERNEL can be used because it can be called from a .ndo_open. > > 'atl1_setup_ring_resources()' (atl1.c) can also be called from a > '.set_ringparam' (see struct ethtool_ops) where sleep is also allowed. > > Both cases are protected by 'rtnl_lock()' which is a mutex. So these > function can sleep. ... > Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr> Applied.
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