Re: [PATCH 0/2] blk-mq: fix lockdep warning between sysfs_lock and cpuhotplug lock

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On Fri, Dec 6, 2024 at 4:22 PM Ming Lei <ming.lei@xxxxxxxxxx> wrote:
>
> Hello,
>
> The 1st patch is one prep patch.
>
> The 2nd one fixes lockdep warning triggered by dependency between
> q->sysfs_lock and cpuhotplug_lock.
>
>
> Ming Lei (2):
>   blk-mq: register cpuhp callback after hctx is added to xarray table
>   blk-mq: move cpuhp callback registering out of q->sysfs_lock
>
>  block/blk-mq.c | 108 ++++++++++++++++++++++++++++++++++++++++++-------
>  1 file changed, 94 insertions(+), 14 deletions(-)

Please ignore the 2nd round mess, sorry for the noise again.






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