
Fixes a couple of issues with msix table access: - With misbehaving guests, misaligned 4 byte access could overflow msix table and cause qemu to segfault. Since PCI spec requires host to only issue dword-aligned accesses, as a fix, it's enough to mask the address low bits. - Tables use pci format, not native format, and so we must use pci_[sg]et_long on read/write. Reported-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Read the documentation in qemu-doc.html. Fabrice Bellard.
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