linux-kernel - linux-next: build failure after merge of the tip tree

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Message-ID: <20241009144511.5fd62c94@canb.auug.org.au>
Date: Wed, 9 Oct 2024 14:45:11 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 "H. Peter Anvin" <hpa@...or.com>, Peter Zijlstra <peterz@...radead.org>
Cc: NeilBrown <neilb@...e.de>, Kent Overstreet <kent.overstreet@...ux.dev>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Next
 Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the tip tree

Hi all,

After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
failed like this:

In file included from include/linux/fs.h:6,
                 from include/linux/highmem.h:5,
                 from include/linux/bvec.h:10,
                 from include/linux/blk_types.h:10,
                 from include/linux/bio.h:10,
                 from fs/bcachefs/bcachefs.h:188,
                 from fs/bcachefs/fs.c:4:
fs/bcachefs/fs.c: In function '__wait_on_freeing_inode':
fs/bcachefs/fs.c:281:31: error: initialization of 'long unsigned int *' from incompatible pointer type 'u32 *' {aka 'unsigned int *'} [-Wincompatible-pointer-types]
  281 |         DEFINE_WAIT_BIT(wait, &inode->v.i_state, __I_NEW);
      |                               ^
include/linux/wait_bit.h:22:20: note: in definition of macro '__WAIT_BIT_KEY_INITIALIZER'
   22 |         { .flags = word, .bit_nr = bit, }
      |                    ^~~~
fs/bcachefs/fs.c:281:9: note: in expansion of macro 'DEFINE_WAIT_BIT'
  281 |         DEFINE_WAIT_BIT(wait, &inode->v.i_state, __I_NEW);
      |         ^~~~~~~~~~~~~~~
fs/bcachefs/fs.c:281:31: note: (near initialization for 'wait.key.flags')
  281 |         DEFINE_WAIT_BIT(wait, &inode->v.i_state, __I_NEW);
      |                               ^
include/linux/wait_bit.h:22:20: note: in definition of macro '__WAIT_BIT_KEY_INITIALIZER'
   22 |         { .flags = word, .bit_nr = bit, }
      |                    ^~~~
fs/bcachefs/fs.c:281:9: note: in expansion of macro 'DEFINE_WAIT_BIT'
  281 |         DEFINE_WAIT_BIT(wait, &inode->v.i_state, __I_NEW);
      |         ^~~~~~~~~~~~~~~

Caused by commit

  2382d68d7d43 ("sched: change wake_up_bit() and related function to expect unsigned long *")

I have reverted commit

  35f4c66b66c4 ("Merge branch into tip/master: 'sched/core'")

for today.

-- 
Cheers,
Stephen Rothwell

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