Oded Gabbay 9a5634a729 amdkfd: use schedule() in sync_with_hw ... amdkfd uses cpu_relax() in its sync_with_hw() function. Because cpu_relax() is defined as 'REP; NOP' on x86_64, it will block the CPU from servicing IOMMU PPR requests. This may cause a deadlock, because sync_with_hw() won't be completed until the PPR request has been served. Therefore, we need to use schedule() instead of cpu_relax() as it is the minimum requirement to allow other threads to execute. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>		2014-11-17 13:18:32 +02:00
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amdkfd	amdkfd: use schedule() in sync_with_hw	2014-11-17 13:18:32 +02:00
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