linux-apfs

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Aneesh Kumar K.V 7888b4ddb4 powerpc: Prevent gcc to re-read the pagetables

GCC is very likely to read the pagetables just once and cache them in
the local stack or in a register, but it is can also decide to re-read
the pagetables. The problem is that the pagetable in those places can
change from under gcc.

With THP/hugetlbfs the pmd (and pgd for hugetlbfs giga pages) can
change under gup_fast. The pages won't be freed untill we finish
gup fast because we have irq disabled and we free these pages via
rcu callback.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2013-06-21 16:01:56 +10:00

alpha

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arc

ARC: lazy dcache flush broke gdb in non-aliasing configs

2013-05-25 14:15:55 +05:30

arm

Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm

2013-06-09 17:15:56 -07:00

arm64

arm64: don't kill the kernel on a bad esr from el0

2013-05-31 16:04:51 +01:00