linux-kernel - linux-next: manual merge of the hid tree with the mm tree

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Message-ID: <20240709112544.190ffda4@canb.auug.org.au>
Date: Tue, 9 Jul 2024 11:25:44 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Jiri Kosina <jikos@...nel.org>, Benjamin Tissoires
 <benjamin.tissoires@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>
Cc: Benjamin Tissoires <bentiss@...nel.org>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>, Suren Baghdasaryan <surenb@...gle.com>
Subject: linux-next: manual merge of the hid tree with the mm tree

Hi all,

Today's linux-next merge of the hid tree got a conflict in:

  include/linux/hid_bpf.h

between commit:

  bad8443fbbca ("mm: add comments for allocation helpers explaining why they are macros")

from the mm-unstable branch of the mm tree and commit:

  6cd735f0e57a ("HID: bpf: protect HID-BPF prog_list access by a SRCU")

from the hid tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc include/linux/hid_bpf.h
index 99a3edb6cf07,9ca96fc90449..000000000000
--- a/include/linux/hid_bpf.h
+++ b/include/linux/hid_bpf.h
@@@ -151,12 -227,7 +227,12 @@@ static inline int dispatch_hid_bpf_outp
  static inline int hid_bpf_connect_device(struct hid_device *hdev) { return 0; }
  static inline void hid_bpf_disconnect_device(struct hid_device *hdev) {}
  static inline void hid_bpf_destroy_device(struct hid_device *hid) {}
- static inline void hid_bpf_device_init(struct hid_device *hid) {}
+ static inline int hid_bpf_device_init(struct hid_device *hid) { return 0; }
 +/*
 + * This specialized allocator has to be a macro for its allocations to be
 + * accounted separately (to have a separate alloc_tag). The typecast is
 + * intentional to enforce typesafety.
 + */
  #define call_hid_bpf_rdesc_fixup(_hdev, _rdesc, _size)	\
  		((u8 *)kmemdup(_rdesc, *(_size), GFP_KERNEL))
  

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