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Olof Johansson 48f20a9a94 tasklets: execute tasklets in the same order they were queued ...

I noticed this when looking at an openswan issue.  Openswan (ab?)uses the
tasklet API to defer processing of packets in some situations, with one
packet per tasklet_action().  I started noticing sequences of
backwards-ordered sequence numbers coming over the wire, since new tasklets
are always queued at the head of the list but processed sequentially.

Convert it to instead append new entries to the tail of the list.  As an
extra bonus, the splicing code in takeover_tasklets() no longer has to
iterate over the list.

Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2008-04-19 19:44:58 +02:00

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