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vfio/spapr: Add cond_resched() for huge updates
authorAlexey Kardashevskiy <aik@ozlabs.ru>
Mon, 2 Oct 2017 18:39:11 +0000 (12:39 -0600)
committerAlex Williamson <alex.williamson@redhat.com>
Mon, 2 Oct 2017 18:39:11 +0000 (12:39 -0600)
commit5c2fefd882d3666f11447e3e0fe663a8a7f64cc9
treec35a2f80c9b27b5ee1dfff0d834a3ee70cd262f0tree | snapshot
parentcf0d53ba4947aad6e471491d5b20a567cbe92e56commit | diff
vfio/spapr: Add cond_resched() for huge updates

Clearing very big IOMMU tables can trigger soft lockups. This adds
cond_resched() to allow the scheduler to do context switching when
it decides to.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/vfio_iommu_spapr_tce.c diff | blob | history
https://github.com/torvalds/linux.git