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Commit 5800e77d authored by Paul E. McKenney's avatar Paul E. McKenney
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csky: Emulate one-byte cmpxchg



Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on csky.

[ paulmck: Apply kernel test robot feedback. ]
[ paulmck: Drop two-byte support per Arnd Bergmann feedback. ]

Co-developed-by: default avatarYujie Liu <yujie.liu@intel.com>
Signed-off-by: default avatarYujie Liu <yujie.liu@intel.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
Tested-by: default avatarYujie Liu <yujie.liu@intel.com>
Reviewed-by: default avatarGuo Ren <guoren@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: <linux-csky@vger.kernel.org>
parent a88d970c
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