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

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On Fri, Dec 06, 2024 at 07:16:05PM +0800, Ming Lei 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(-)

Ming,

Thanks for the patches. They work for me.

Tested-by: Tony Luck <tony.luck@xxxxxxxxx>

-Tony





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