On 15/12/16 15:53, Jan Beulich wrote: > Commit 83cd2038fe ("VT-d: use msi_compose_msg()) together with > 15aa6c6748 ("amd iommu: use base platform MSI implementation"), > introducing the use of a per-CPU scratch CPU mask, went too far: > dma_msi_set_affinity() may, at least in theory, be called in > interrupt context, and hence the use of that scratch variable is not > correct. > > Since the function overwrites the destination information anyway, > allow msi_compose_msg() to be called with a NULL CPU mask, avoiding > the use of that scratch variable. > > Signed-off-by: Jan Beulich <jbeul...@suse.com> > Reviewed-by: Kevin Tian <kevin.t...@intel.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel