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linux/drivers/net/ethernet/emulex/benet
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Nikolay Aleksandrov 1a82d19ca2 be2net: fix sleeping while atomic bugs in be_ndo_bridge_getlink 
Partially revert commit b71724147e ("be2net: replace polling with
sleeping in the FW completion path") w.r.t mcc mutex it introduces and the
use of usleep_range. The be2net be_ndo_bridge_getlink() callback is
called with rcu_read_lock, so this code has been broken for a long time.
Both the mutex_lock and the usleep_range can cause the issue Ian Kumlien
reported[1]. The call path is:
be_ndo_bridge_getlink -> be_cmd_get_hsw_config -> be_mcc_notify_wait ->
be_mcc_wait_compl -> usleep_range()

[1] https://lore.kernel.org/netdev/CAA85sZveppNgEVa_FD+qhOMtG_AavK9_mFiU+jWrMtXmwqefGA@mail.gmail.com/

Tested-by: Ian Kumlien <ian.kumlien@gmail.com>
Fixes: b71724147e ("be2net: replace polling with sleeping in the FW completion path")
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20250227164129.1201164-1-razor@blackwall.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
 		2025-03-04 11:14:15 +01:00
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Kconfig
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Makefile
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be.h be2net: fix sleeping while atomic bugs in be_ndo_bridge_getlink 2025-03-04 11:14:15 +01:00
be_cmds.c be2net: fix sleeping while atomic bugs in be_ndo_bridge_getlink 2025-03-04 11:14:15 +01:00
be_cmds.h be2net: Remove unused declarations 2024-09-03 15:38:22 -07:00
be_ethtool.c net: ethtool: pass a pointer to parameters to get/set_rxfh ethtool ops 2023-12-13 22:07:16 -08:00
be_hw.h
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be_main.c be2net: fix sleeping while atomic bugs in be_ndo_bridge_getlink 2025-03-04 11:14:15 +01:00
be_roce.c
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be_roce.h
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