On 21 May 2013 11:57, Paolo Bonzini <pbonz...@redhat.com> wrote: > From: Avi Kivity <avi.kiv...@gmail.com> > > The radix tree is statically sized to fit TARGET_PHYS_ADDR_SPACE_BITS. > If a larger memory region is registered, it will overflow. > > Fix by limiting any section in the radix tree to the supported size. > > This problem was not observed earlier since artificial regions (containers > and aliases) are eliminated by the memory core, leaving only device regions > which have reasonable sizes. An IOMMU however cannot be eliminated by the > memory core, and may have an artificial size. > > Signed-off-by: Avi Kivity <avi.kiv...@gmail.com> > [ Fail the build if TARGET_PHYS_ADDR_SPACE_BITS is too large - Paolo ] > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> -- PMM
