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a0f2dee0cd
linux/drivers/xen
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Stefano Stabellini a0f2dee0cd xen: add a dma_addr_t dev_addr argument to xen_dma_map_page 
dev_addr is the machine address of the page.

The new parameter can be used by the ARM and ARM64 implementations of
xen_dma_map_page to find out if the page is a local page (pfn == mfn) or
a foreign page (pfn != mfn).

dev_addr could be retrieved again from the physical address, using
pfn_to_mfn, but it requires accessing an rbtree. Since we already have
the dev_addr in our hands at the call site there is no need to get the
mfn twice.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2014-12-04 12:41:51 +00:00
..
events xen/events: support threaded irqs for interdomain event channels 2014-09-23 13:36:19 +00:00
xen-pciback xen: features and fixes for 3.18-rc0 2014-10-11 20:29:01 -04:00
xenbus xen: remove DEFINE_XENBUS_DRIVER() macro 2014-10-06 10:27:57 +01:00
xenfs xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
acpi.c xen / ACPI: notify xen when reduced hardware sleep is available 2013-07-31 14:22:35 +02:00
balloon.c xen/balloon: Don't continue ballooning when BP_ECANCELED is encountered 2014-10-23 16:24:01 +01:00
biomerge.c
cpu_hotplug.c xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
dbgp.c xen: Use dev_is_pci() to check whether it is pci device 2014-01-07 09:53:33 -05:00
efi.c xen/efi: Directly include needed headers 2014-09-23 13:36:20 +00:00
evtchn.c xen/evtchn: support more than 4096 ports 2014-01-06 10:07:50 -05:00
fallback.c xen-pciback: notify hypervisor about devices intended to be assigned to guests 2013-03-22 10:20:55 -04:00
features.c
gntalloc.c xen/gntalloc: safely delete grefs in add_grefs() undo path 2014-09-04 13:14:05 +01:00
gntdev.c Revert "xen/grant-table: Avoid m2p_override during mapping" 2014-02-03 06:44:49 -05:00
grant-table.c xen/grant-table: refactor error cleanup in grow_gnttab_list() 2014-09-23 13:36:18 +00:00
Kconfig xen-scsiback: Add Xen PV SCSI backend driver 2014-09-23 13:36:19 +00:00
Makefile xen-scsiback: Add Xen PV SCSI backend driver 2014-09-23 13:36:19 +00:00
manage.c xen/manage: Always freeze/thaw processes when suspend/resuming 2014-09-02 15:36:59 +01:00
mcelog.c xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
pci.c xen/pci: Allocate memory for physdev_pci_device_add's optarr 2014-10-23 16:24:02 +01:00
pcpu.c drivers: xen: Include appropriate header file in pcpu.c 2014-02-28 15:26:08 -05:00
platform-pci.c drivers: xen: Mark function as static in platform-pci.c 2014-02-28 15:26:04 -05:00
privcmd.c xen: privcmd: do not return pages which we have failed to unmap 2013-12-06 17:55:56 +00:00
privcmd.h
swiotlb-xen.c xen: add a dma_addr_t dev_addr argument to xen_dma_map_page 2014-12-04 12:41:51 +00:00
sys-hypervisor.c xen: sysfs: fix build warning. 2012-10-19 15:17:51 -04:00
tmem.c Bug-fixes: 2013-07-03 13:12:42 -07:00
xen-acpi-cpuhotplug.c ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST 2014-02-22 00:50:49 +01:00
xen-acpi-memhotplug.c ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST 2014-02-22 00:50:49 +01:00
xen-acpi-pad.c ACPI / PAD / xen: use acpi_evaluate_ost() to replace open-coded version 2014-02-21 00:27:47 +01:00
xen-acpi-processor.c xen-acpi-processor: Don't display errors when we get -ENOSYS 2014-05-23 12:34:00 -04:00
xen-balloon.c xen: Convert printks to pr_<level> 2013-06-28 11:19:58 -04:00
xen-scsiback.c xen: remove DEFINE_XENBUS_DRIVER() macro 2014-10-06 10:27:57 +01:00
xen-selfballoon.c drivers:xen-selfballoon:reset 'frontswap_inertia_counter' after frontswap_shrink 2014-02-28 15:26:12 -05:00
xen-stub.c xen/acpi: remove redundant acpi/acpi_drivers.h include 2013-03-11 13:53:02 -04:00