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authorOleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>2022-10-08 18:10:13 +0300
committerJuergen Gross <jgross@suse.com>2022-10-14 15:22:23 +0300
commita383dcb1cca8305497877119fba0a320f41fe853 (patch)
treeb6097f63f7d4606f40338d86f86a7401e9aa06cf /arch/x86
parent875553e317b28e66824fec73ad4459372576ec68 (diff)
downloadlinux-a383dcb1cca8305497877119fba0a320f41fe853.tar.xz
xen/virtio: Convert PAGE_SIZE/PAGE_SHIFT/PFN_UP to Xen counterparts
Currently, a grant ref is always based on the Xen page granularity (4KB), and guest commonly uses the same page granularity. But the guest may use a different page granularity (i.e 64KB). So adopt the code to be able to deal with it. Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> Acked-by: Stefano Stabellini <sstabellini@kernel.org> Reviewed-by: Xenia Ragiadakou <burzalodowa@gmail.com> Link: https://lore.kernel.org/r/20221008151013.2537826-3-olekstysh@gmail.com Signed-off-by: Juergen Gross <jgross@suse.com>
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