Hi Peter,
On Tue, Feb 03, 2015 at 01:25:51PM +0100, Peter Zijlstra wrote:
> Subject: iommu/amd: Fix amd_iommu_free_device()
>
> put_device_state_wait() doesn't loop on the condition and a spurious
> wakeup will have it free the device state even though there might still
> be references out to it.
Hmm, have you seen spurious wakeups happening? The wakeup only comes
from put_device_state() and only when the reference count goes to zero.
>From my understanding this should be correct, but maybe I got the API
wrong.
Joerg
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
