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(parent: 9fd4236) | patch
powerpc/kvm/book3s: Use pte_present instead of opencoding _PAGE_PRESENT check
authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Tue, 5 May 2020 07:17:26 +0000 (12:47 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 5 May 2020 11:20:16 +0000 (21:20 +1000)
commit0e11df9649ac4251c1bc5f27b7d89636d9270a91
treeff9dcd216973b9e95419951d87ba377ff784ff30tree | snapshot
parent9fd4236faa243f6660812b809bf2fb91d19c61b6commit | diff
powerpc/kvm/book3s: Use pte_present instead of opencoding _PAGE_PRESENT check

This adds _PAGE_PTE check and makes sure we validate the pte value returned via
find_kvm_host_pte.

NOTE: this also considers _PAGE_INVALID to the software valid bit.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200505071729.54912-20-aneesh.kumar@linux.ibm.com
arch/powerpc/include/asm/kvm_book3s_64.h diff | blob | history
Domain: System / Kernel;