Re: [BUG] Possible circular locking dependency in spidev (buf_lock <-> spi_lock)

From: Mark Brown

Date: Sat Feb 28 2026 - 07:55:53 EST


On Sat, Feb 28, 2026 at 03:38:17AM +0000, ȫ���� (YJ Hong) wrote:
> Hello,
>
> I am seeing a lockdep warning in spidev reporting a possible circular
> locking dependency between buf_lock and spi_lock.

There was a change just applied to Linus' tree recently which should
avoid this, it removes buf_lock and just uses spi_lock. I guess it'll
end up in stable, not sure.

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