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d8b57bb700
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Thomas Gleixner d8b57bb700 x86: make spurious fault handler aware of large mappings 
In very rare cases, on certain CPUs, we could end up in the spurious
fault handler and ignore a large pud/pmd mapping. The resulting pte
pointer points into the mapped physical space and dereferencing it
will fault recursively.

Make the code aware of large mappings and do the permission check
on the pmd/pud entry, when a large pud/pmd mapping is detected.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-06 22:39:43 +01:00
..
alpha alpha: kill deprecated virt_to_bus 2008-02-05 09:44:21 -08:00
arm add mm argument to pte/pmd/pud/pgd_free 2008-02-05 09:44:18 -08:00
avr32 Fix timerfd breakage on avr32 2008-02-05 14:37:15 -08:00
blackfin timerfd: new timerfd API 2008-02-05 09:44:07 -08:00
cris arch/cris: add a missing iounmap 2008-02-05 09:44:24 -08:00
frv timerfd: fix remaining architectures 2008-02-05 14:37:15 -08:00
h8300 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2008-02-04 07:58:52 -08:00
ia64 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 2008-02-05 10:24:52 -08:00
m32r timerfd: fix remaining architectures 2008-02-05 14:37:15 -08:00
m68k mac68k: remove dead MAC_ADBKEYCODES 2008-02-05 09:44:24 -08:00
m68knommu m68knommu: remove duplicate exports 2008-02-05 09:44:21 -08:00
mips timerfd: new timerfd API 2008-02-05 09:44:07 -08:00
parisc Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2008-02-04 07:58:52 -08:00
powerpc add mm argument to pte/pmd/pud/pgd_free 2008-02-05 09:44:18 -08:00
ppc add mm argument to pte/pmd/pud/pgd_free 2008-02-05 09:44:18 -08:00
s390 Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 2008-02-05 10:11:02 -08:00
sh timerfd: fix remaining architectures 2008-02-05 14:37:15 -08:00
sparc timerfd: new timerfd API 2008-02-05 09:44:07 -08:00
sparc64 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 2008-02-05 10:08:47 -08:00
um uml: make mconsole_stack namespace-aware 2008-02-05 09:44:32 -08:00
v850 Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig 2008-02-03 08:58:08 +01:00
x86 x86: make spurious fault handler aware of large mappings 2008-02-06 22:39:43 +01:00
xtensa Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig 2008-02-03 08:58:08 +01:00
.gitignore arch: Ignore arch/i386 and arch/x86_64 2008-01-19 21:29:39 -08:00
Kconfig Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig 2008-02-03 08:58:08 +01:00