| commit | 128ca093cc3cf3fc0368fa56b6a98f395090ddb0 | [log] [tgz] |
|---|---|---|
| author | Joerg Roedel <jroedel@suse.de> | Tue Jan 27 11:57:19 2015 +0100 |
| committer | Paolo Bonzini <pbonzini@redhat.com> | Tue Jan 27 21:31:12 2015 +0100 |
| tree | ad495664807c971ea380e8b8c2673d4859940044 | |
| parent | 82268083fa78452c1c8be30a82984e470d9678c7 [diff] |
kvm: iommu: Add cond_resched to legacy device assignment code When assigning devices to large memory guests (>=128GB guest memory in the failure case) the functions to create the IOMMU page-tables for the whole guest might run for a very long time. On non-preemptible kernels this might cause Soft-Lockup warnings. Fix these by adding a cond_resched() to the mapping and unmapping loops. Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>