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Martin Schwidefsky authored
This patch fixes a problem introduced with git commit beef560b "s390/uaccess: simplify control register updates". The switch_mm function is not called if the next process is a kernel thread without an attached mm or is a nop if the mm does not change. But CR1 still needs to be loaded with the kernel ASCE in case the code returns to a uaccess function that uses the secondary space mode. In addition move the set_fs call from finish_arch_switch to finish_arch_post_lock_switch and then remove finish_arch_switch. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com>
f8b13505