On Mon, Sep 09, 2019 at 10:21:35PM +0200, Arnd Bergmann wrote: > On arm64 build with clang, sometimes the __cmpxchg_mb is not inlined > when CONFIG_OPTIMIZE_INLINING is set. > Clang then fails a compile-time assertion, because it cannot tell at > compile time what the size of the argument is: > > mm/memcontrol.o: In function `__cmpxchg_mb': > memcontrol.c:(.text+0x1a4c): undefined reference to `__compiletime_assert_175' > memcontrol.c:(.text+0x1a4c): relocation truncated to fit: R_AARCH64_CALL26 > against undefined symbol `__compiletime_assert_175' > > Mark all of the cmpxchg() style functions as __always_inline to > ensure that the compiler can see the result. > > Signed-off-by: Arnd Bergmann <a...@arndb.de>
Reviewed-by: Nathan Chancellor <natechancel...@gmail.com> Tested-by: Nathan Chancellor <natechancel...@gmail.com>
