> -----Original Message----- > From: Mingjin Ye <[email protected]<mailto:[email protected]>>
> Sent: Tuesday, April 11, 2023 10:09 AM > To: [email protected]<mailto:[email protected]> > Cc: Yang, Qiming <[email protected]<mailto:[email protected]>>; > [email protected]<mailto:[email protected]>; Zhou, YidingX > <[email protected]<mailto:[email protected]>>; Ye, MingjinX > <[email protected]<mailto:[email protected]>>; Zhang, Ke1X > <[email protected]<mailto:[email protected]>>; Zhang, Qi Z > <[email protected]<mailto:[email protected]>> > Subject: [PATCH v7] net/ice: fix ice dcf control thread crash > > The control thread accesses the hardware resources after the resources were > released, which results in a segment error. > > The 'ice-reset' threads are detached, so thread resources cannot be reclaimed > by `pthread_join` calls. > > This commit synchronizes the number of "ice-reset" threads by adding a > variable ("vsi_update_thread_num") to the "struct ice_dcf_hw" and performing > an atomic operation on this variable. When releasing HW resources, we wait > for the number of "ice-reset" threads to be reduced to 0 before releasing the > resources. > > Fixes: c7e1a1a3bfeb ("net/ice: refactor DCF VLAN handling") > Fixes: 3b3757bda3c3 ("net/ice: get VF hardware index in DCF") > Fixes: 7564d5509611 ("net/ice: add DCF hardware initialization") > Fixes: 0b02c9519432 ("net/ice: handle PF initialization by DCF") > Cc: [email protected]<mailto:[email protected]> > > Signed-off-by: Ke Zhang <[email protected]<mailto:[email protected]>> > Signed-off-by: Mingjin Ye > <[email protected]<mailto:[email protected]>> Tested-by: Tingting Liao <[email protected]<mailto:[email protected]>>
