On Wed, Jan 24, 2024 at 12:20:40PM +1100, Stephen Rothwell wrote: > Hi all, > > On Tue, 23 Jan 2024 12:52:27 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > After merging the vfs-brauner tree, today's linux-next build (powerpc > > allnoconfig) failed like this: > > > > In file included from <command-line>: > > In function 'i_size_read', > > inlined from '__iomap_dio_rw' at fs/iomap/direct-io.c:570:16: > > include/linux/compiler_types.h:435:45: error: call to '__compiletime_assert_229' declared with attribute error: Need native word sized stores/loads for atomicity. > > 435 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > > | ^ > > include/linux/compiler_types.h:416:25: note: in definition of macro '__compiletime_assert' > > 416 | prefix ## suffix(); \ > > | ^~~~~~ > > include/linux/compiler_types.h:435:9: note: in expansion of macro '_compiletime_assert' > > 435 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > > | ^~~~~~~~~~~~~~~~~~~ > > include/linux/compiler_types.h:438:9: note: in expansion of macro 'compiletime_assert' > > 438 | compiletime_assert(__native_word(t), \ > > | ^~~~~~~~~~~~~~~~~~ > > include/asm-generic/barrier.h:206:9: note: in expansion of macro 'compiletime_assert_atomic_type' > > 206 | compiletime_assert_atomic_type(*p); \ > > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > include/linux/fs.h:911:16: note: in expansion of macro 'smp_load_acquire' > > 911 | return smp_load_acquire(&inode->i_size); > > | ^~~~~~~~~~~~~~~~ > > > > Caused by commit > > > > 4bbd51d0f0ad ("fs: make the i_size_read/write helpers be smp_load_acquire/store_release()") > > > > I have used the vfs-brauner tree from next-20240122 for today. > > Pending a better resolution, today I have reverted that commit and the > following one. I had dropped both from vfs.misc yesterday night. Maybe it didn't make it in time.