>>> On 12.12.15 at 14:21, <quan...@intel.com> wrote:
> @@ -167,10 +172,12 @@ static int queue_invalidate_wait(struct iommu *iommu,
> start_time = NOW();
> while ( poll_slot != QINVAL_STAT_DONE )
> {
> - if ( NOW() > (start_time + DMAR_OPERATION_TIMEOUT) )
> + if ( NOW() > (start_time + IOMMU_QI_TIMEOUT) )
> {
> print_qi_regs(iommu);
> - panic("queue invalidate wait descriptor was not executed");
> + dprintk(XENLOG_WARNING VTDPREFIX,
> + "Queue invalidate wait descriptor was timeout.\n");
> + return -ETIMEDOUT;
> }
Without the v2 discussion even having finished, and without you
having taken care of v2 comments here, I don't see much value in
this v3.
Jan
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