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[ Upstream commitb40584d145] According to virtual ISM support feature defined by SMCv2.1, GIDs of virtual ISM device are UUIDs defined by RFC4122, which are 128-bits long. So some adaptation work is required. And note that the GIDs of existing platform firmware ISM devices still remain 64-bits long. Signed-off-by: Wen Gu <guwen@linux.alibaba.com> Reviewed-by: Alexandra Winter <wintera@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> Stable-dep-of:0541db8ee3("net/smc: initialize close_work early to avoid warning") Signed-off-by: Sasha Levin <sashal@kernel.org>