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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2009-06-25 12:31:37 -0700
committerPekka Enberg <penberg@cs.helsinki.fi>2009-06-26 12:10:47 +0300
commit7ed9f7e5db58c6e8c2b4b738a75d5dcd8e17aad5 (patch)
treec8ee9b63e1e8d3925b8a08a2b21a331434d183b5 /ipc
parent28d0325ce6e0a52f53d8af687e6427fee59004d3 (diff)
downloadlinux-7ed9f7e5db58c6e8c2b4b738a75d5dcd8e17aad5.tar.bz2
fix RCU-callback-after-kmem_cache_destroy problem in sl[aou]b
Jesper noted that kmem_cache_destroy() invokes synchronize_rcu() rather than rcu_barrier() in the SLAB_DESTROY_BY_RCU case, which could result in RCU callbacks accessing a kmem_cache after it had been destroyed. Cc: <stable@kernel.org> Acked-by: Matt Mackall <mpm@selenic.com> Reported-by: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'ipc')
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