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David Woodhouse 18436afdc1 iommu/vt-d: Allow RMRR on graphics devices too 
Commit c875d2c1 ("iommu/vt-d: Exclude devices using RMRRs from IOMMU API
domains") prevents certain options for devices with RMRRs. This even
prevents those devices from getting a 1:1 mapping with 'iommu=pt',
because we don't have the code to handle *preserving* the RMRR regions
when moving the device between domains.

There's already an exclusion for USB devices, because we know the only
reason for RMRRs there is a misguided desire to keep legacy
keyboard/mouse emulation running in some theoretical OS which doesn't
have support for USB in its own right... but which *does* enable the
IOMMU.

Add an exclusion for graphics devices too, so that 'iommu=pt' works
there. We should be able to successfully assign graphics devices to
guests too, as long as the initial handling of stolen memory is
reconfigured appropriately. This has certainly worked in the past.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: stable@vger.kernel.org
2015-03-25 15:36:35 +00:00
..
accessibility
acpi Revert "ACPI / LPSS: introduce a 'proxy' device to power on LPSS for DMA" 2015-02-03 14:29:43 +01:00
amba Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
android
ata libata: prevent HSM state change race between ISR and PIO 2015-01-19 14:11:23 -05:00
atm Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
auxdisplay
base Merge branches 'pm-domains', 'powercap' and 'pm-tools' 2014-12-29 21:24:00 +01:00
bcma Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-12-11 17:56:37 -08:00
block rbd: drop parent_ref in rbd_dev_unprobe() unconditionally 2015-01-28 16:12:02 +03:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2014-12-15 13:23:09 -05:00
bus mvebu fixes for 3.19. (Part 4) 2015-01-23 14:08:13 -08:00
cdrom
char ipmi: Fix compile warning with tv_usec 2014-12-30 13:34:36 -06:00
clk clk: fix possible null pointer dereference 2015-01-17 11:33:57 -08:00
clocksource Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-01-25 17:47:34 -08:00
connector
coresight
cpufreq Merge branches 'pm-cpufreq' and 'pm-cpuidle' 2014-12-29 21:23:41 +01:00
cpuidle Merge branches 'pm-cpufreq' and 'pm-cpuidle' 2014-12-29 21:23:41 +01:00
crypto Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
dca
devfreq
dio
dma dmaengine: dw: balance PM runtime calls 2015-01-13 23:07:58 +05:30
dma-buf
edac Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
eisa
extcon Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
firewire firewire: sbp2: replace card lock by target lock 2014-12-10 20:53:21 +01:00
firmware Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
fmc
gpio gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_low 2015-01-30 10:29:33 +01:00
gpu drm/cirrus: Limit modes depending on bpp option 2015-02-05 10:39:00 +10:00
hid HID: roccat: potential out of bounds in pyra_sysfs_write_settings() 2015-01-09 14:41:01 +01:00
hsi * misc. fixes in omap-ssi and nokia-modem drivers 2014-12-15 17:33:47 -08:00
hv Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
hwmon hwmon: (i5500_temp) Convert to use ATTRIBUTE_GROUPS macro 2015-01-24 14:16:22 +01:00
hwspinlock
i2c i2c: sh_mobile: terminate DMA reads properly 2015-01-30 17:58:43 +01:00
ide Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
idle
iio First round of IIO fixes for the 3.19 cycle. 2015-01-08 17:59:04 -08:00
infiniband Revert "IB/core: Add support for extended query device caps" 2015-02-06 00:54:33 -08:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-02-01 13:16:40 -08:00
iommu iommu/vt-d: Allow RMRR on graphics devices too 2015-03-25 15:36:35 +00:00
ipack
irqchip Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-02-06 08:28:54 -08:00
isdn isdn: off by one in connect_res() 2015-02-02 19:33:18 -08:00
leds leds: netxbig: fix oops at probe time 2015-01-13 13:49:01 -08:00
lguest virtio: allow finalize_features to fail 2014-12-09 16:32:32 +02:00
macintosh macintosh: therm_pm72: delete deprecated driver 2014-12-19 19:32:47 +01:00
mailbox Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
mcb mcb: mcb-pci: Only remap the 1st 0x200 bytes of BAR 0 2015-01-09 15:46:37 -08:00
md Two fixes for md 2015-02-03 19:54:57 -08:00
media media fixes for v3.19-rc6 2015-01-24 14:34:54 -08:00
memory MTD updates for 3.19: 2014-12-17 09:59:26 -08:00
memstick
message
mfd - Avoid platform ID collision in da9052 2015-01-21 18:29:44 +12:00
misc Char/Misc driver fixes for 3.19-rc5 2015-01-17 08:18:08 +13:00
mmc mmc: sdhci: Set SDHCI_POWER_ON with external vmmc 2015-01-14 09:47:19 +01:00
mtd MTD updates for 3.19: 2014-12-17 09:59:26 -08:00
net qlcnic: Fix NAPI poll routine for Tx completion 2015-02-05 00:24:08 -08:00
nfc More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
ntb
nubus
of of/unittest: Overlays with sub-devices tests 2015-01-23 13:10:07 +00:00
oprofile
parisc parisc/PCI: Clip bridge windows to fit in upstream windows 2015-01-16 10:04:43 -06:00
parport Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
pci PCI: Handle read-only BARs on AMD CS553x devices 2015-02-03 20:28:02 -06:00
pcmcia Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
phy phy: phy-ti-pipe3: fix inconsistent enumeration of PCIe gen2 cards 2014-12-23 15:44:32 +05:30
pinctrl pinctrl: at91: allow to have disabled gpio bank 2015-01-26 09:13:36 +01:00
platform Revert "platform: x86: dell-laptop: Add support for keyboard backlight" 2015-01-23 11:10:32 -08:00
pnp
power More ACPI and power management updates for 3.19-rc1 2014-12-18 20:28:33 -08:00
powercap powercap / RAPL: add IDs for future Xeon CPUs 2014-12-17 02:35:42 +01:00
pps
ps3
ptp
pwm pwm: Changes for v3.19-rc1 2014-12-17 10:10:51 -08:00
rapidio
ras
regulator Merge remote-tracking branch 'regulator/fix/s2mps11' into regulator-linus 2015-01-16 12:05:35 +00:00
remoteproc Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
reset reset: sunxi: fix spinlock initialization 2015-01-16 19:11:31 -08:00
rpmsg
rtc drivers/rtc/rtc-s5m.c: terminate s5m_rtc_id array with empty element 2015-01-26 13:37:19 -08:00
s390 390/qeth: Fix locking warning during qeth device setup 2015-01-25 23:38:16 -08:00
sbus
scsi SCSI fixes on 20150205 2015-02-05 11:17:15 -08:00
sfi
sh drivers: sh / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM 2014-12-05 03:08:24 +01:00
sn
soc Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-12-15 15:52:01 -08:00
spi Merge remote-tracking branches 'spi/fix/fsl-dspi' and 'spi/fix/imx' into spi-linus 2015-02-04 20:57:31 +00:00
spmi
ssb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-12-11 17:56:37 -08:00
staging Staging tree fixes for 3.19-rc7 2015-01-30 19:44:56 -08:00
target iscsi-target: Fix typos in enum cmd_flags_table 2015-01-09 15:25:58 -08:00
tc
thermal Merge branch 'thermal-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2015-01-15 19:20:26 +13:00
thunderbolt
tty serial: samsung: Add the support for Exynos5433 SoC 2015-01-09 13:46:02 -08:00
uio Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
usb usb: fixes for v3.19-rc6 2015-01-26 19:13:41 -08:00
uwb
vfio vfio-pci: Fix the check on pci device type in vfio_pci_probe() 2015-01-07 10:29:11 -07:00
vhost vhost/net: fix up num_buffers endian-ness 2015-02-04 13:59:31 -08:00
video fbdev/broadsheetfb: fix memory leak 2015-01-13 15:13:45 +02:00
virt
virtio virtio_pci: document why we defer kfree 2015-01-06 16:35:36 +02:00
vlynq
vme
w1 Char/Misc driver patches for 3.19-rc1 2014-12-14 16:43:47 -08:00
watchdog watchdog: drop owner assignment from platform_drivers 2015-01-21 14:52:34 +01:00
xen Merge remote-tracking branch 'scsi-queue/drivers-for-3.19' into for-linus 2014-12-18 05:56:29 -08:00
zorro
Kconfig drivers/Kconfig: remove duplicate entry for soc 2015-01-25 20:26:42 +08:00
Makefile drivers: Move iommu/ before gpu/ in Makefile 2014-12-22 11:47:37 +02:00