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Daniel De Graaf 12996fc38a xen-gntdev: Avoid double-mapping memory 
If an already-mapped area of the device was mapped into userspace a
second time, a hypercall was incorrectly made to remap the memory
again. Avoid the hypercall on later mmap calls, and fail the mmap call
if a writable mapping is attempted on a read-only range.

Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
 		2011-02-14 14:16:22 -05:00
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accessibility
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acpi ACPI / PM: Call suspend_nvs_free() earlier during resume 2011-01-20 18:30:17 -08:00
amba
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ata libata: set queue DMA alignment to sector size for ATAPI too 2011-01-28 03:16:20 -05:00
atm Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2011-01-24 13:17:06 -08:00
auxdisplay
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base PM / Runtime: Don't enable interrupts while running in_interrupt 2011-01-25 20:50:07 +01:00
block Merge branch 'for-2.6.38/drivers' of git://git.kernel.dk/linux-2.6-block 2011-01-13 10:50:24 -08:00
bluetooth Bluetooth: ath3k: reduce memory usage 2011-01-19 14:40:41 -02:00
cdrom
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char agp: ensure GART has an address before enabling it 2011-02-04 09:43:57 +10:00
clk
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clocksource drivers/clocksource/tcb_clksrc.c: fix init sequence 2011-01-26 10:50:04 +10:00
connector
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cpufreq kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
cpuidle
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crypto
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dca
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dio
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dma Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2011-01-17 10:54:41 -08:00
edac
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eisa
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firewire Merge branches 'fixes' and 'fwnet' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2011-01-21 13:34:39 -08:00
firmware kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
gpio langwell_gpio: modify EOI handling following change of kernel irq subsystem 2011-01-26 10:49:59 +10:00
gpu Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2011-02-04 10:02:22 -08:00
hid kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
hwmon hwmon: (lis3) turn down the no IRQ message 2011-01-25 09:10:50 -08:00
i2c i2c: Encourage move to dev_pm_ops by warning on use of legacy methods 2011-01-14 22:03:50 +01:00
ide kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
idle fix a shutdown regression in intel_idle 2011-01-25 05:57:34 +10:00
ieee802154
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infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2011-02-03 11:19:26 -08:00
input arm/ixp4xx: Rename FREQ macro to avoid collisions 2011-02-06 16:49:48 +01:00
isdn isdn: icn: Fix potentially wrong string handling 2011-02-01 14:17:51 -08:00
leds leds: leds-pwm: return proper error if pwm_request failed 2011-01-26 10:49:58 +10:00
lguest lguest: compile fixes 2011-01-20 21:37:29 +10:30
macintosh powerpc/macintosh: Fix wrong test in fan_{read,write}_reg() 2011-01-21 14:08:34 +11:00
mca
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md block: restore multiple bd_link_disk_holder() support 2011-01-14 18:44:22 +01:00
media Merge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2011-02-02 17:52:19 -08:00
memstick
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message
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mfd mfd: ab8500-core chip version cut 2.0 support 2011-01-14 12:38:18 +01:00
misc misc: Make AB8500_PWM driver depend on U8500 due to PWM breakage 2011-01-14 12:38:12 +01:00
mmc ARM: mmci: round down the bytes transferred on error 2011-01-31 10:53:37 +00:00
mtd Revert "UBI: use mtd->writebufsize to set minimal I/O unit size" 2011-01-29 18:27:13 +02:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2011-02-04 13:20:01 -08:00
nfc drivers/nfc/pn544.c: fix min_t warnings 2011-01-16 17:28:21 -08:00
nubus
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of dt/flattree: Return virtual address from early_init_dt_alloc_memory_arch() 2011-01-15 22:01:58 -07:00
oprofile
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parisc
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parport parport: make lockdep happy with waitlist_lock 2011-01-26 10:49:59 +10:00
pci kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
pcmcia kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
platform intel_scu_ipc: remove duplicated #include 2011-01-31 12:59:34 +10:00
pnp
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power Merge git://git.infradead.org/battery-2.6 2011-01-14 09:25:59 -08:00
pps pps: claim parallel port exclusively 2011-01-26 10:50:00 +10:00
ps3
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rapidio rapidio: fix new kernel-doc warnings 2011-01-22 20:32:37 -08:00
regulator regulator: Support MAX8998/LP3974 DVS-GPIO 2011-01-14 12:38:16 +01:00
rtc RTC: Prevents a division by zero in kernel code. 2011-02-03 12:59:50 -08:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2011-02-04 13:20:01 -08:00
sbus
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scsi [SCSI] libsas: fix runaway error handler problem 2011-01-24 11:52:33 -06:00
sfi
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sh sh: update INTC to clear IRQ sense valid flag 2011-01-19 19:02:35 +09:00
sn
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spi Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus 2011-01-18 14:28:48 -08:00
ssb kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
staging Merge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2011-02-02 17:52:19 -08:00
target [SCSI] target: Add LIO target core v4.0.0-rc6 2011-01-14 10:12:29 -06:00
tc
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telephony
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thermal
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tty Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 2011-02-01 08:05:19 +10:00
uio
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usb Merge branch 'for-usb-linus' of master.kernel.org:/pub/scm/linux/kernel/git/sarah/xhci into usb-linus 2011-01-24 08:14:07 +09:00
uwb
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vhost vhost: rcu annotation fixup 2011-02-01 16:48:46 +02:00
video console: rename acquire/release_console_sem() to console_lock/unlock() 2011-01-26 10:50:06 +10:00
virtio virtio: remove virtio-pci root device 2011-01-20 21:37:30 +10:30
vlynq
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w1
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watchdog
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xen xen-gntdev: Avoid double-mapping memory 2011-02-14 14:16:22 -05:00
zorro
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Kconfig [SCSI] target: Add LIO target core v4.0.0-rc6 2011-01-14 10:12:29 -06:00
Makefile Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 2011-01-20 16:39:23 -08:00