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authorHerbert Xu <herbert@gondor.apana.org.au>2008-09-09 19:58:29 -0700
committerDavid S. Miller <davem@davemloft.net>2008-09-09 19:58:29 -0700
commitabb81c4f3cb9b8d421f1e5474811ef1d461d341c (patch)
tree71a08df3a53eb9e19a62c673d77084e4d81f708b /kernel/compat.c
parentdacc62dbf56e872ad96edde0393b9deb56d80cd5 (diff)
ipsec: Use RCU-like construct for saved state within a walk
Now that we save states within a walk we need synchronisation so that the list the saved state is on doesn't disappear from under us. As it stands this is done by keeping the state on the list which is bad because it gets in the way of the management of the state life-cycle. An alternative is to make our own pseudo-RCU system where we use counters to indicate which state can't be freed immediately as it may be referenced by an ongoing walk when that resumes. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/compat.c')
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