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Alexey Kardashevskiy e199ad2bf5 KVM: PPC: Validate all tces before updating tables 
The KVM TCE handlers are written in a way so they fail when either
something went horribly wrong or the userspace did some obvious mistake
such as passing a misaligned address.

We are going to enhance the TCE checker to fail on attempts to map bigger
IOMMU page than the underlying pinned memory so let's valitate TCE
beforehand.

This should cause no behavioral change.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
 		2018-10-02 23:09:26 +10:00
..
alpha Merge branch 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2018-08-24 09:25:39 -07:00
arc ARC: don't check for HIGHMEM pages in arch_dma_alloc 2018-09-04 13:21:38 -07:00
arm Fixes for KVM/ARM for Linux v4.19 v2: 2018-09-07 18:38:25 +02:00
arm64 KVM fixes for 4.19-rc3 2018-09-08 15:52:45 -07:00
c6x kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
h8300 Kbuild updates for v4.19 (2nd) 2018-08-25 13:40:38 -07:00
hexagon kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
ia64 ia64: Fix allnoconfig section mismatch for ioc_init/ioc_iommu_info 2018-08-22 14:12:47 -07:00
m68k m68k: fix early memory reservation for ColdFire MMU systems 2018-09-03 10:19:36 +10:00
microblaze kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
mips KVM fixes for 4.19-rc3 2018-09-08 15:52:45 -07:00
nds32 nds32: linker script: GCOV kernel may refers data in __exit 2018-09-05 10:16:26 +08:00
nios2 nios2: kconfig: remove duplicate DEBUG_STACK_USAGE symbol defintions 2018-08-27 09:47:20 +08:00
openrisc OpenRISC updates for 4.19 2018-08-23 14:09:37 -07:00
parisc Merge branch 'parisc-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2018-08-22 14:06:37 -07:00
powerpc KVM: PPC: Validate all tces before updating tables 2018-10-02 23:09:26 +10:00
riscv RISC-V: Use a less ugly workaround for unused variable warnings 2018-08-28 12:58:36 -07:00
s390 KVM: s390: Properly lock mm context allow_gmap_hpage_1m setting 2018-09-04 11:40:26 +02:00
sh kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
sparc sparc: set a default 32-bit dma mask for OF devices 2018-09-02 10:02:04 +02:00
um kbuild: rename LDFLAGS to KBUILD_LDFLAGS 2018-08-24 08:22:08 +09:00
unicore32 mm: convert return type of handle_mm_fault() caller to vm_fault_t 2018-08-17 16:20:28 -07:00
x86 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-09 07:05:15 -07:00
xtensa Kbuild updates for v4.19 (2nd) 2018-08-25 13:40:38 -07:00
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Kconfig Merge branch 'tlb-fixes' 2018-08-23 14:55:01 -07:00