Thread (2 messages) 2 messages, 2 authors, 2020-08-25

Re: [PATCH] net: atheros: switch from 'pci_' to 'dma_' API

From: David Miller <davem@davemloft.net>
Date: 2020-08-25 00:34:02
Also in: kernel-janitors, lkml

From: Christophe JAILLET <redacted>
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 <redacted>
Applied.
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