> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Friday, February 17, 2017 8:04 PM > > The present way of setting this up is flawed: Leaving the I/O bitmap > pointer at zero means that the interrupt redirection bitmap lives > outside (ahead of) the allocated space of the TSS. Similarly setting a > TSS limit of 255 when only 128 bytes get allocated means that 128 extra > bytes may be accessed by the CPU during I/O port access processing. > > Introduce a new HVM param to set the allocated size of the TSS, and > have the hypervisor actually take care of setting namely the I/O bitmap > pointer. Both this and the segment limit now take the allocated size > into account. > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Kevin Tian <kevin.t...@intel.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
