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linux-uconsole/drivers
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Chris Wright 518cdfa0f6 intel-iommu: Detect DMAR in hyperspace at probe time. 
commit 2c99220810 upstream.

Many BIOSes will lie to us about the existence of an IOMMU, and claim
that there is one at an address which actually returns all 0xFF.

We need to detect this early, so that we know we don't have a viable
IOMMU and can set up swiotlb before it's too late.

Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-12-18 14:05:53 -08:00
..
accessibility
acpi Merge branch 'thinkpad-2.6.32' into release 2009-11-25 00:43:08 -05:00
amba
ata pata_hpt{37x|3x2n}: fix timing register masks (take 2) 2009-12-18 14:03:48 -08:00
atm
auxdisplay
base Driver core: fix race in dev_driver_string 2009-12-18 14:04:17 -08:00
block aoe: prevent cache aliases 2009-12-01 16:32:20 -08:00
bluetooth fix memory leak in fixed btusb_close 2009-11-14 12:57:08 -08:00
cdrom
char tty_port: handle the nonblocking open of a dead port corner case 2009-11-30 16:38:25 -08:00
clocksource
connector connector: Fix incompatible pointer type warning 2009-10-06 01:39:51 -07:00
cpufreq [CPUFREQ] Fix stale cpufreq_cpu_governor pointer 2009-11-17 23:15:04 -05:00
cpuidle cpuidle: always return with interrupts enabled 2009-10-29 07:39:31 -07:00
crypto crypto: padlock-aes - Use the correct mask when checking whether copying is required 2009-11-03 10:32:03 -05:00
dca
dio
dma shdma: fix initialization error handling 2009-11-22 12:10:10 -07:00
edac amd64_edac: fix CECCs reporting 2009-11-04 14:04:06 +01:00
eisa
firewire firewire: ohci: handle receive packets with a data length of zero 2009-12-18 14:02:57 -08:00
firmware iSCSI/iBFT: use proper address translation 2009-10-05 12:05:40 -07:00
gpio gpio: Langwell GPIO driver bugfixes 2009-12-01 16:32:19 -08:00
gpu drm/i915: Fix LVDS stability issue on Ironlake 2009-12-18 14:05:48 -08:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2009-10-13 10:10:33 -07:00
hwmon hwmon: (adt7475) Fix sysfs file names 2009-11-16 12:45:40 +01:00
i2c Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2009-11-30 14:50:44 -08:00
ide slc90e66: fix UDMA handling 2009-12-18 14:05:04 -08:00
idle
ieee1394 headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
ieee802154 ieee802154: dont leak skbs in ieee802154_fake_xmit() 2009-11-19 13:16:21 -08:00
infiniband headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
input Input: i8042 - add Dell Vostro 1320, 1520 and 1720 to the reset list 2009-12-02 15:41:33 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-18 14:54:45 -08:00
leds leds-gpio: fix possible crash on OF device unbinding 2009-11-16 11:50:42 +00:00
lguest headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
macintosh powerpc/therm_adt746x: Record pwm invert bit at module load time] 2009-12-18 14:04:32 -08:00
mca
md dm crypt: make wipe message also wipe essiv key 2009-12-18 14:05:04 -08:00
media V4L/DVB (13116): gspca - ov519: Webcam 041e:4067 added. 2009-12-18 14:05:40 -08:00
memstick
message headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
mfd mfd: Correct WM831X_MAX_ISEL_VALUE 2009-12-01 11:24:19 +01:00
misc at24: Use timeout also for read 2009-11-26 09:22:33 +01:00
mmc [ARM] pxamci: call mmc_remove_host() before freeing resources 2009-12-02 22:58:19 +08:00
mtd UBI: flush wl before clearing update marker 2009-12-18 14:03:54 -08:00
net bcm63xx_enet: fix compilation failure after get_stats_count removal 2009-12-18 14:05:43 -08:00
nubus
of of: Remove nested function 2009-10-15 09:58:27 -06:00
oprofile oprofile: warn on freeing event buffer too early 2009-10-09 21:32:05 +02:00
parisc
parport
pci intel-iommu: Detect DMAR in hyperspace at probe time. 2009-12-18 14:05:53 -08:00
pcmcia PM / yenta: Split resume into early and late parts (rev. 4) 2009-11-03 10:54:58 +01:00
platform asus-laptop: change light sens default values. 2009-12-18 14:05:34 -08:00
pnp
power
pps pps: events reporting fix up 2009-11-12 07:26:01 -08:00
ps3
rapidio
regulator regulator: Initialise wm831x structure pointor for ISINK driver 2009-12-02 19:37:16 +00:00
rtc rtc-x1205: reset clock to sane state after power failure 2009-12-01 16:32:20 -08:00
s390 [S390] sclp: undo quiesce handler override on resume 2009-11-13 15:45:03 +01:00
sbus
scsi SCSI: megaraid_sas: fix 64 bit sense pointer truncation 2009-12-14 09:44:46 -08:00
serial Serial: Do not read IIR in serial8250_start_tx when UART_BUG_TXEN 2009-12-18 14:04:18 -08:00
sfi SFI: remove __init from sfi_verify_table 2009-10-03 01:16:12 -04:00
sh
sn
spi SPI: spi_txx9: Fix bit rate calculation 2009-12-02 23:58:32 +00:00
ssb ssb: Fix range check in sprom write 2009-12-18 14:03:24 -08:00
staging Staging: update TODO files 2009-11-30 16:39:42 -08:00
tc
telephony
thermal acpi: thermal: Add EOL to the trip_point_N_type strings 2009-11-05 17:33:24 -05:00
uio uio: pm_runtime_disable is needed if failed 2009-11-13 11:36:00 +09:00
usb USB: Close usb_find_interface race v3 2009-12-18 14:04:01 -08:00
uwb headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
video matroxfb: fix problems with display stability 2009-12-18 14:05:32 -08:00
virtio virtio: order used ring after used index read 2009-10-29 08:50:37 +10:30
vlynq
w1 ds2482: Discard obsolete detect method 2009-10-04 22:53:41 +02:00
watchdog [PATCH] rc32434_wdt: fix compilation failure 2009-12-02 12:47:24 +00:00
xen xen: try harder to balloon up under memory pressure. 2009-12-18 14:04:58 -08:00
zorro
Kconfig
Makefile