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Paul Durrant 3ad0876554 xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE 
My recent Xen patch series introduces a new HYPERVISOR_memory_op to
support direct priv-mapping of certain guest resources (such as ioreq
pages, used by emulators) by a tools domain, rather than having to access
such resources via the guest P2M.

This patch adds the necessary infrastructure to the privcmd driver and
Xen MMU code to support direct resource mapping.

NOTE: The adjustment in the MMU code is partially cosmetic. Xen will now
      allow a PV tools domain to map guest pages either by GFN or MFN, thus
      the term 'mfn' has been swapped for 'pfn' in the lower layers of the
      remap code.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
 		2018-05-14 15:25:37 +02:00
..
boot arm: dts: imx[35]*: declare flexcan devices to be compatible to imx25's flexcan 2018-05-08 10:41:38 +02:00
common Merge branches 'fixes', 'misc', 'sa1111' and 'sa1100-for-next' into for-next 2018-01-21 15:38:10 +00:00
configs ARM: defconfig: Update Gemini defconfig 2018-04-26 16:55:43 +02:00
crypto kbuild: mark $(targets) as .SECONDARY and remove .PRECIOUS markers 2018-04-07 19:04:02 +09:00
firmware
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include arm/arm64: KVM: Add PSCI version selection API 2018-04-20 16:32:23 +01:00
kernel Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2018-04-09 09:19:30 -07:00
kvm arm/arm64: KVM: Add PSCI version selection API 2018-04-20 16:32:23 +01:00
lib Merge branches 'fixes', 'misc', 'sa1111' and 'sa1100-for-next' into for-next 2018-01-21 15:38:10 +00:00
mach-actions ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-alpine License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-artpec
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mach-asm9260
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mach-aspeed
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mach-at91 ARM: at91: Kconfig: Update company to Microchip 2018-02-28 16:21:51 +01:00
mach-axxia License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-bcm soc: brcmstb: biuctrl: Move to early_initcall 2017-12-20 17:37:44 -08:00
mach-berlin
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mach-clps711x ARM: clps711x: mark clps711x_compat as const 2018-02-22 17:42:42 +01:00
mach-cns3xxx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-davinci ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
mach-digicolor License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-dove License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ebsa110 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-efm32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ep93xx ARM: ep93xx: ts72xx: Add support for BK3 board - ts72xx derivative 2017-12-13 22:26:10 +01:00
mach-exynos ARM: EXYNOS: Simplify code in coupled CPU idle hot path 2018-03-21 18:51:39 +01:00
mach-footbridge Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
mach-gemini License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-highbank License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-hisi License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-imx ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
mach-integrator ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-iop13xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-iop32x treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
mach-iop33x License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ixp4xx w1: w1-gpio: Convert to use GPIO descriptors 2017-12-08 15:32:53 +01:00
mach-keystone License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-ks8695 Merge branch 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2017-11-14 17:52:21 -08:00
mach-lpc18xx
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mach-lpc32xx
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mach-mediatek ARM: mediatek: use more generic prompts for SoCs with ARMv7 2017-12-20 15:48:18 +01:00
mach-meson Amlogic 32-bit DT changes for v4.16 2017-12-21 16:37:34 +01:00
mach-mmp mtd: nand: remove useless fields from pxa3xx NAND platform data 2018-03-02 21:51:41 +01:00
mach-moxart
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mach-mv78xx0 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-mvebu ARM: mvebu: Fix broken PL310_ERRATA_753970 selects 2018-02-13 16:39:51 +01:00
mach-mxs
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mach-netx
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mach-nomadik
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mach-npcm arm: npcm: enable L2 cache in NPCM7xx architecture 2018-04-10 16:40:03 +02:00
mach-nspire ARM: nspire: Remove unneeded nspire_map_io() 2018-03-07 16:07:35 +01:00
mach-omap1 Move omap timer to drivers for 4.17 2018-03-07 16:16:07 +01:00
mach-omap2 ARM: OMAP2+: Fix build when using split object directories 2018-04-18 10:07:13 -07:00
mach-orion5x ARM: orion5x: Revert commit 4904dbda41. 2018-02-26 13:41:47 -05:00
mach-oxnas
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mach-picoxcell
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mach-prima2 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-pxa ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
mach-qcom
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mach-realview
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mach-rockchip ARM: rockchip: Set name of pmu regmap_config in smp code 2018-03-12 11:09:36 +01:00
mach-rpc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-s3c24xx ARM: s3c24xx: jive: Fix some GPIO names 2018-04-26 16:55:03 +02:00
mach-s3c64xx spi: spi-gpio: Rewrite to use GPIO descriptors 2018-02-14 16:02:41 +00:00
mach-s5pv210 ARM: S5PV210: Add SPDX license identifiers 2018-01-03 18:43:04 +01:00
mach-sa1100 ARM: sa1100/simpad: switch simpad CF to use gpiod APIs 2018-04-06 15:53:22 +01:00
mach-shmobile ARM: shmobile: rcar-gen2: Add watchdog support 2018-03-13 20:54:16 +01:00
mach-socfpga ARM: socfpga: PM: Drop useless check for PM_SUSPEND_STANDBY 2018-03-07 16:08:20 +01:00
mach-spear License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-sti
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mach-stm32 ARM: stm32: restore reboot capabilities 2018-03-05 09:11:58 +01:00
mach-sunxi ARM: sunxi: mc-smp: Split out SoC-specific device node lookup sequence 2018-03-10 16:14:57 +08:00
mach-tango License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-tegra Merge branch 'linus' into locking/core, to resolve conflicts 2017-11-07 10:32:44 +01:00
mach-u300 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-uniphier kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
mach-ux500 ARM: ux500: Fix PMU IRQ regression 2018-03-07 16:42:38 +01:00
mach-versatile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-vexpress ARM: SoC platform updates for 4.15 2017-11-16 14:05:12 -08:00
mach-vt8500 arm: vt8500: kconfig: Remove blank help text 2018-02-02 23:53:10 +09:00
mach-w90x900 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-zx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mach-zynq License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm exec: pass stack rlimit into mm layout functions 2018-04-11 10:28:37 -07:00
net bpf, arm: remove obsolete exception handling from div/mod 2018-01-26 16:42:07 -08:00
nwfpe License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
oprofile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
plat-iop License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
plat-omap ARM: SoC platform updates for 4.17 2018-04-05 21:21:08 -07:00
plat-orion ARM: orion: fix orion_ge00_switch_board_info initialization 2018-02-22 17:48:39 +01:00
plat-pxa
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plat-samsung ARM: SAMSUNG: Add SPDX license identifiers 2018-01-03 18:43:13 +01:00
plat-versatile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
probes ARM: probes: avoid adding kprobes to sensitive kernel-entry/exit code 2017-12-17 22:14:21 +00:00
tools ARM: ep93xx: ts72xx: Add support for BK3 board - ts72xx derivative 2017-12-13 22:26:10 +01:00
vdso Merge branch 'linus' into locking/core, to resolve conflicts 2017-11-07 10:32:44 +01:00
vfp ARM: 8746/1: vfp: Go back to clearing vfp_current_hw_state[] 2018-03-24 14:27:48 +00:00
xen xen/privcmd: add IOCTL_PRIVCMD_MMAP_RESOURCE 2018-05-14 15:25:37 +02:00
Kconfig Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2018-04-09 09:19:30 -07:00
Kconfig-nommu Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2017-11-16 12:50:35 -08:00
Kconfig.debug ARM: 8747/1: make CONFIG_DEBUG_WX depend on MMU 2018-03-24 14:27:48 +00:00
Makefile arm: npcm: add basic support for Nuvoton BMCs 2018-03-06 17:54:23 +01:00