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| author | James Hogan | 2016-10-08 00:58:53 +0200 |
|---|---|---|
| committer | James Hogan | 2017-02-03 16:20:51 +0100 |
| commit | 7faa6eec6991715d6c1d85c192738dcac405ab89 (patch) | |
| tree | ff60812dff7d786f1d74d03bdfdc681a3aeb3a09 /arch/mips/include/asm/mmu_context.h | |
| parent | KVM: MIPS/T&E: Allocate GVA -> HPA page tables (diff) | |
| download | kernel-qcow2-linux-7faa6eec6991715d6c1d85c192738dcac405ab89.tar.gz kernel-qcow2-linux-7faa6eec6991715d6c1d85c192738dcac405ab89.tar.xz kernel-qcow2-linux-7faa6eec6991715d6c1d85c192738dcac405ab89.zip | |
KVM: MIPS/T&E: Activate GVA page tables in guest context
Activate the GVA page tables when in guest context. This will allow the
normal Linux TLB refill handler to fill from it when guest memory is
read, as well as preventing accidental reading from user memory.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm/mmu_context.h')
| -rw-r--r-- | arch/mips/include/asm/mmu_context.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h index ddd57ade1aa8..16eb8521398e 100644 --- a/arch/mips/include/asm/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -29,9 +29,11 @@ do { \ } \ } while (0) +extern void tlbmiss_handler_setup_pgd(unsigned long); + +/* Note: This is also implemented with uasm in arch/mips/kvm/entry.c */ #define TLBMISS_HANDLER_SETUP_PGD(pgd) \ do { \ - extern void tlbmiss_handler_setup_pgd(unsigned long); \ tlbmiss_handler_setup_pgd((unsigned long)(pgd)); \ htw_set_pwbase((unsigned long)pgd); \ } while (0) |