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| author | Florian Westphal <fw@strlen.de> | 2016-08-11 15:17:54 +0200 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2016-08-12 08:07:11 +0200 |
| commit | 30846090a746edfdb230deadd638cfa96f7b8c91 (patch) | |
| tree | 3f6aeebcccfc90ad302ea2ce6c567f55d1e52131 /tools/perf/scripts/python | |
| parent | xfrm: policy: prepare policy_bydst hash for rcu lookups (diff) | |
| download | linux-30846090a746edfdb230deadd638cfa96f7b8c91.tar.gz linux-30846090a746edfdb230deadd638cfa96f7b8c91.zip | |
xfrm: policy: add sequence count to sync with hash resize
Once xfrm_policy_lookup_bytype doesn't grab xfrm_policy_lock anymore its
possible for a hash resize to occur in parallel.
Use sequence counter to block lookup in case a resize is in
progress and to also re-lookup in case hash table was altered
in the mean time (might cause use to not find the best-match).
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions