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authorDavid Gibson <david@gibson.dropbear.id.au>2017-07-04 23:53:55 +1000
committerDavid Gibson <david@gibson.dropbear.id.au>2017-07-11 11:04:02 +1000
commit2a0d90fed5b09e27854ac5ca2af836a8248c00c1 (patch)
tree3e598041fbda76c625beaedd570646ad1ba96f0b /target
parent160bb67885c22f98e3045d9223e2fc915d61c274 (diff)
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spapr: Only report host/guest IOMMU page size mismatches on KVM
We print a warning if the spapr IOMMU isn't configured to support a page size matching the host page size backing RAM. When that's the case we need more complex logic to translate VFIO mappings, which is slower. But, it's not so slow that it would be at all noticeable against the general slowness of TCG. So, only warn when using KVM. This removes some noisy and unhelpful warnings from make check on hosts with page sizes which typically differ from those on POWER (e.g. Sparc). Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Thomas Huth <thuth@redhat.com>
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