KarimAllah Ahmed f73a7eee90 iommu/vt-d: Flush the IOTLB to get rid of the initial kdump mappings ... Ever since commit 091d42e43d ("iommu/vt-d: Copy translation tables from old kernel") the kdump kernel copies the IOMMU context tables from the previous kernel. Each device mappings will be destroyed once the driver for the respective device takes over. This unfortunately breaks the workflow of mapping and unmapping a new context to the IOMMU. The mapping function assumes that either: 1) Unmapping did the proper IOMMU flushing and it only ever flush if the IOMMU unit supports caching invalid entries. 2) The system just booted and the initialization code took care of flushing all IOMMU caches. This assumption is not true for the kdump kernel since the context tables have been copied from the previous kernel and translations could have been cached ever since. So make sure to flush the IOTLB as well when we destroy these old copied mappings. Cc: Joerg Roedel <joro@8bytes.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: David Woodhouse <dwmw@amazon.co.uk> Cc: Anthony Liguori <aliguori@amazon.com> Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de> Acked-by: David Woodhouse <dwmw@amazon.co.uk> Cc: stable@vger.kernel.org v4.2+ Fixes: 091d42e43d ("iommu/vt-d: Copy translation tables from old kernel") Signed-off-by: Joerg Roedel <jroedel@suse.de>		2017-05-17 14:44:47 +02:00
..
accessibility
acpi	More ACPI updates for v4.12-rc1	2017-05-10 09:35:42 -07:00
amba
android
ata	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
atm
auxdisplay
base	More power management updates for v4.12-rc1	2017-05-10 09:12:30 -07:00
bcma
block	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
bluetooth
bus
cdrom	scsi: introduce a result field in struct scsi_request	2017-04-20 12:16:10 -06:00
char	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
clk	Sort of on the quieter side this time, which is probably due more	2017-05-10 13:38:18 -07:00
clocksource	Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-12 10:43:25 -07:00
connector
cpufreq	Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus	2017-05-12 09:56:30 -07:00
cpuidle	Merge branches 'pm-domains', 'pm-cpuidle', 'pm-sleep' and 'powercap'	2017-05-09 23:21:46 +02:00
crypto	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
dax	Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm	2017-05-12 15:43:10 -07:00
dca
devfreq	PM / devfreq: Move struct devfreq_governor to devfreq directory	2017-04-12 12:42:14 +09:00
dio
dma	dmaengine updates for 4.12-rc1	2017-05-09 15:40:28 -07:00
dma-buf
edac	EDAC, ghes: Do not enable it by default	2017-04-27 14:15:38 +02:00
eisa
extcon	extcon: Use BIT() macro for the left-shift operation	2017-04-06 11:12:45 +09:00
firewire
firmware	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
fmc
fpga
fsi
gpio	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
gpu	drm/i915: Make vblank evade warnings optional	2017-05-12 14:28:02 +10:00
hid
hsi
hv	char/misc patches for 4.12-rc1	2017-05-04 19:15:35 -07:00
hwmon
hwspinlock
hwtracing	drivers/hwtracing/intel_th/msu.c: use set_memory.h header	2017-05-08 17:15:14 -07:00
i2c	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
ide
idle
iio	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
infiniband	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2017-05-12 11:44:13 -07:00
input	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	2017-05-13 10:25:05 -07:00
iommu	iommu/vt-d: Flush the IOTLB to get rid of the initial kdump mappings	2017-05-17 14:44:47 +02:00
ipack
irqchip	Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus	2017-05-12 09:56:30 -07:00
isdn	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
leds	scripts/spelling.txt: add "memory" pattern and fix typos	2017-05-08 17:15:13 -07:00
lguest
lightnvm	lightnvm: fix bad back free on error path	2017-05-04 07:53:04 -06:00
macintosh
mailbox
mcb
md
media	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
memory	MTD updates for 4.12-rc1:	2017-05-11 10:44:22 -07:00
memstick
message
mfd	mfd: axp20x: Support AXP803 variant	2017-04-27 11:54:49 +01:00
misc	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
mmc	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
mtd	This pull request contains updates for both UBI and UBIFS:	2017-05-13 10:23:12 -07:00
net	powerpc updates for 4.12 part 2	2017-05-12 10:04:09 -07:00
nfc
ntb	ntb: ntb_hw_intel: link_poll isn't clearing the pending status properly	2017-02-16 23:11:26 -05:00
nubus
nvdimm	Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm	2017-05-12 15:43:10 -07:00
nvme	Merge branch 'for-linus' of git://git.kernel.dk/linux-block	2017-05-11 11:01:56 -07:00
nvmem	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
of	powerpc updates for 4.12 part 2	2017-05-12 10:04:09 -07:00
oprofile
parisc	Merge branch 'parisc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux	2017-03-03 16:20:06 -08:00
parport
pci	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
pcmcia	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
perf	drivers/perf: arm_pmu: add ACPI framework	2017-04-11 16:29:54 +01:00
phy	phy: qcom-qusb2: add NVMEM dependency	2017-04-10 16:43:41 +05:30
pinctrl	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2017-05-02 19:09:35 -07:00
platform
pnp
power	power supply and reset changes for the v4.12 series (part 2)	2017-05-12 12:02:21 -07:00
powercap	powercap: intel_rapl: Add support for Gemini Lake	2017-04-28 23:56:16 +02:00
pps	pps: fix padding issue with PPS_FETCH for ioctl_compat	2017-03-17 15:10:49 +09:00
ps3
ptp
pwm
rapidio
ras	RAS: Add a Corrected Errors Collector	2017-03-28 08:54:48 +02:00
regulator
remoteproc	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
reset	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
rpmsg	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
rtc	RTC for 4.12	2017-05-10 19:37:14 -07:00
s390	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
sbus
scsi	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2017-05-12 11:44:13 -07:00
sfi
sh
sn
soc	powerpc updates for 4.12 part 2	2017-05-12 10:04:09 -07:00
spi	Merge remote-tracking branches 'spi/topic/ti-qspi' and 'spi/topic/xlp' into spi-next	2017-04-26 15:58:22 +01:00
spmi
ssb
staging	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
target	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2017-05-12 11:44:13 -07:00
tc
tee	TEE driver infrastructure and OP-TEE drivers	2017-05-10 11:20:09 -07:00
thermal	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux	2017-05-12 11:58:45 -07:00
thunderbolt
tty	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
uio	uio_mf624: Align memory regions to page size and set correct offsets	2017-04-08 18:13:28 +02:00
usb
uwb
vfio
vhost
video	fbdev changes for v4.12:	2017-05-11 11:12:26 -07:00
virt
virtio	virtio: allow extra context per descriptor	2017-05-02 23:41:43 +03:00
vlynq
vme
w1
watchdog	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
xen	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2017-05-09 09:12:53 -07:00
zorro
Kconfig	tee: generic TEE subsystem	2017-03-09 15:42:33 +01:00
Makefile	TEE driver infrastructure and OP-TEE drivers	2017-05-10 11:20:09 -07:00