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| author | Johannes Berg <johannes.berg@intel.com> | 2019-03-05 13:32:30 +0100 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2019-04-03 11:13:05 +0300 |
| commit | f5ae2f932e2f8f4f79796f44832ae8fca26f188a (patch) | |
| tree | 435ad2d9108537870ab6aae7fb935c110a81724a /tools/perf/scripts/python | |
| parent | Merge tag 'iwlwifi-for-kalle-2019-03-22' of git://git.kernel.org/pub/scm/linu... (diff) | |
| download | linux-f5ae2f932e2f8f4f79796f44832ae8fca26f188a.tar.gz linux-f5ae2f932e2f8f4f79796f44832ae8fca26f188a.zip | |
iwlwifi: mvm: avoid possible deadlock in TX path
iwl_mvm_tx_mpdu() may run from iwl_mvm_add_new_dqa_stream_wk(), where
soft-IRQs aren't disabled. In this case, it may hold the station lock
and be interrupted by a soft-IRQ that also wants to acquire said lock,
leading to a deadlock.
Fix it by disabling soft-IRQs in iwl_mvm_add_new_dqa_stream_wk().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions