Messages in this thread | | | Date | Wed, 4 Feb 2015 15:35:21 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH] iommu/amd: Fix amd_iommu_free_device() |
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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. > > Fix this by using 'normal' wait primitives. > > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> > --- > drivers/iommu/amd_iommu_v2.c | 20 +++++++------------- > 1 file changed, 7 insertions(+), 13 deletions(-)
Applied this, thanks Peter.
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