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Revision 17bb18ce

ID17bb18ce16b45e61248c5238074fa9cf8bc547bf

Added by Alexander Graf over 12 years ago

s390x: implement rrbe instruction properly

The rrbe instruction resets the reference bit in the given storage key.
So far, we merely made it a nop and also returned an invalid CC value,
so that the kernel never knew if a page actually got accessed.

This patch implements it properly, flushing the R bit and returning the
correct CC value.

Signed-off-by: Alexander Graf <>

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