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f2519d4d4f
Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on arc. [ paulmck: Drop two-byte support per Arnd Bergmann feedback. ] [ paulmck: Apply feedback from Naresh Kamboju. ] [ paulmck: Apply kernel test robot feedback. ] [ paulmck: Apply feedback from Vineet Gupta. ] Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Cc: Andi Shyti <andi.shyti@linux.intel.com> Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Palmer Dabbelt <palmer@rivosinc.com> Cc: <linux-snps-arc@lists.infradead.org> Acked-by: Vineet Gupta <vgupta@kernel.org>