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authorLuke Browning <lukebrowning@us.ibm.com>2008-06-13 14:17:35 +1000
committerJeremy Kerr <jk@ozlabs.org>2008-06-16 14:35:01 +1000
commit2c911a14b74fa9cf815a936f310e4fa85bee77ce (patch)
treea6c5953c1c453cbd9affe378e58629519d9c50d2 /arch/um
parent1f64643aa5f5a17f1723f7ea0f17b7a3a8f632b3 (diff)
powerpc/spufs: synchronize interaction between spu exception handling and time slicing
Time slicing can occur at the same time as spu exception handling resulting in the wakeup of the wrong thread. This change uses the the spu's register_lock to enforce synchronization between bind/unbind and spu exception handling so that they are mutually exclusive. Signed-off-by: Luke Browning <lukebrowning@us.ibm.com> Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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