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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2022-04-20 06:27:27 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-04-21 15:41:01 -0400 |
| commit | e852be8b148e117e25be1c98cf72ee489b05919e (patch) | |
| tree | ffb5b859c5e3bf47da256c9f60ad268474b3f717 /tools/testing/selftests/kvm/include/x86_64/processor.h | |
| parent | kvm: selftests: do not use bitfields larger than 32-bits for PTEs (diff) | |
| download | linux-dev-e852be8b148e117e25be1c98cf72ee489b05919e.tar.xz linux-dev-e852be8b148e117e25be1c98cf72ee489b05919e.zip | |
kvm: selftests: introduce and use more page size-related constants
Clean up code that was hardcoding masks for various fields,
now that the masks are included in processor.h.
For more cleanup, define PAGE_SIZE and PAGE_MASK just like in Linux.
PAGE_SIZE in particular was defined by several tests.
Suggested-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/include/x86_64/processor.h')
| -rw-r--r-- | tools/testing/selftests/kvm/include/x86_64/processor.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index 86e79af64dea..d0d51adec76e 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -71,6 +71,8 @@ #define PTE_NX_MASK BIT_ULL(63) #define PAGE_SHIFT 12 +#define PAGE_SIZE (1ULL << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) #define PHYSICAL_PAGE_MASK GENMASK_ULL(51, 12) #define PTE_GET_PFN(pte) (((pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) |