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Commit a9bf5c8a authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
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tty: hvc: use mutex instead of spinlock for hvc_structs lock 



This allows hvc operations to sleep under the lock.

Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 021c9179
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