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David S. Miller 26cf432551 sparc64: Add basic validations to {pud,pmd}_bad(). 
Instead of returning false we should at least check the most basic
things, otherwise page table corruptions will be very difficult to
debug.

PMD and PTE tables are of size PAGE_SIZE, so none of the sub-PAGE_SIZE
bits should be set.

We also complement this with a check that the physical address the
pud/pmd points to is valid memory.

PowerPC was used as a guide while implementating this.

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-05-03 22:56:14 -07:00
..
alpha Merge git://git.infradead.org/users/eparis/audit 2014-04-12 12:38:53 -07:00
arc ARC: !PREEMPT: Ensure Return to kernel mode is IRQ safe 2014-04-30 08:21:43 -07:00
arm Devicetree bug fixes for v3.15 2014-04-28 15:19:06 -07:00
arm64 arm64: init: Move of_clk_init to time_init 2014-04-25 18:15:56 +01:00
avr32 Char/Misc driver patches for 3.15-rc1 2014-04-01 16:13:21 -07:00
blackfin blackfin updates for Linux 3.15 2014-04-12 17:26:45 -07:00
c6x Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-03-31 10:59:39 -07:00
cris Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
frv PCI changes for the v3.15 merge window: 2014-04-01 15:14:04 -07:00
hexagon Hexagon: Delete stale barrier.h 2014-05-01 10:09:47 -07:00
ia64 mm: split 'tlb_flush_mmu()' into tlb flushing and memory freeing parts 2014-04-25 16:05:40 -07:00
m32r Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
m68k Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
metag Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
microblaze Microblaze patches for 3.15-rc1 2014-04-11 11:53:45 -07:00
mips Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-04-27 11:21:03 -07:00
mn10300 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-04-12 14:49:50 -07:00
openrisc Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
parisc Merge branch 'parisc-3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2014-05-01 15:54:44 -07:00
powerpc powerpc/4xx: Fix section mismatch in ppc4xx_pci.c 2014-04-28 16:32:53 +10:00
s390 Merge branch 'safe-dirty-tlb-flush' 2014-04-27 15:08:12 -07:00
score score: remove unused CPU_SCORE7 Kconfig parameter 2014-04-03 16:20:52 -07:00
sh mm: split 'tlb_flush_mmu()' into tlb flushing and memory freeing parts 2014-04-25 16:05:40 -07:00
sparc sparc64: Add basic validations to {pud,pmd}_bad(). 2014-05-03 22:56:14 -07:00
tile Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
um mm: split 'tlb_flush_mmu()' into tlb flushing and memory freeing parts 2014-04-25 16:05:40 -07:00
unicore32 Kconfig: rename HAS_IOPORT to HAS_IOPORT_MAP 2014-04-07 16:36:11 -07:00
x86 perf/x86: Fix RAPL rdmsrl_safe() usage 2014-04-24 08:12:41 +02:00
xtensa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-04-12 14:49:50 -07:00
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