[PATCH 0/2] xen/swiotlb: Add support for 64KB page granularity,

Julien Grall julien.grall at citrix.com
Thu Sep 10 06:42:40 PDT 2015


Hi all,

This small series add support for 64KB guests in swiotlb. It's based on
top of my 64KB page granularity support [1].

It has been tested on both 4KB and 64KB page granularity DOM0 by using an
LVM partition for the guest rootfs.

Regards,

[1] https://lwn.net/Articles/656797/

Cc: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky at oracle.com>
Cc: David Vrabel <david.vrabel at citrix.com>

Julien Grall (2):
  xen/swiotlb: Pass addresses rather than frame numbers to
    xen_arch_need_swiotlb
  xen/swiotlb: Add support for 64KB page granularity

 arch/arm/include/asm/xen/page-coherent.h | 26 ++++++++++++-------
 arch/arm/include/asm/xen/page.h          |  4 +--
 arch/arm/xen/mm.c                        | 39 +++++++++++++++++++++--------
 arch/x86/include/asm/xen/page.h          |  4 +--
 drivers/xen/swiotlb-xen.c                | 43 ++++++++++++++++----------------
 5 files changed, 71 insertions(+), 45 deletions(-)

-- 
2.1.4




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