iommu/amd: Fix amd_iommu_free_device()

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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.

Fix this by using 'normal' wait primitives.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Peter Zijlstra 2015-02-03 13:25:51 +01:00 • committed by Joerg Roedel

parent e36f014edf

commit 91f65facba

1 changed files with 7 additions and 13 deletions

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drivers/iommu/amd_iommu_v2.c

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