Re: [PATCH v3 0/7] PCI: Add support for enforcing all MMIO BARs not to share PAGE_SIZE

2016-07-11 Thread Yongji Xie
Hi Bjorn, Any comment on V3? Thanks, Yongji On 2016/6/30 18:53, Yongji Xie wrote: This series aims to add an option for PCI resource allocator to force BARs not to share PAGE_SIZE. This would make sense to VFIO driver. Because current VFIO implementation disallows to mmap sub-page(size < PAG

[PATCH v3 0/7] PCI: Add support for enforcing all MMIO BARs not to share PAGE_SIZE

2016-06-30 Thread Yongji Xie
This series aims to add an option for PCI resource allocator to force BARs not to share PAGE_SIZE. This would make sense to VFIO driver. Because current VFIO implementation disallows to mmap sub-page(size < PAGE_SIZE) MMIO BARs which may share the same page with other BARs for security reasons