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Currently, a grant is always based on the Xen page granularity (i.e 4KB). When Linux is using a different page granularity, a single page will be split between multiple grants. The new helpers will be in charge of splitting the Linux page into grants and call a function given by the caller on each grant. Also provide an helper to count the number of grants within a given contiguous region. Note that the x86/include/asm/xen/page.h is now including xen/interface/grant_table.h rather than xen/grant_table.h. It's necessary because xen/grant_table.h depends on asm/xen/page.h and will break the compilation. Furthermore, only definition in interface/grant_table.h is required. Signed-off-by: Julien Grall <julien.grall@citrix.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com> |
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.. | ||
events | ||
xen-pciback | ||
xenbus | ||
xenfs | ||
acpi.c | ||
balloon.c | ||
biomerge.c | ||
cpu_hotplug.c | ||
dbgp.c | ||
efi.c | ||
evtchn.c | ||
fallback.c | ||
features.c | ||
gntalloc.c | ||
gntdev.c | ||
grant-table.c | ||
Kconfig | ||
Makefile | ||
manage.c | ||
mcelog.c | ||
pci.c | ||
pcpu.c | ||
platform-pci.c | ||
preempt.c | ||
privcmd.c | ||
privcmd.h | ||
swiotlb-xen.c | ||
sys-hypervisor.c | ||
tmem.c | ||
xen-acpi-cpuhotplug.c | ||
xen-acpi-memhotplug.c | ||
xen-acpi-pad.c | ||
xen-acpi-processor.c | ||
xen-balloon.c | ||
xen-scsiback.c | ||
xen-selfballoon.c | ||
xen-stub.c | ||
xlate_mmu.c |