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| author | Sheng Yang <sheng@linux.intel.com> | 2008-10-16 11:30:57 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-12-31 15:51:45 +0100 |
| commit | 291f26bc0f89518ad7ee3207c09eb8a743ac8fcc (patch) | |
| tree | d0ce8ff4d0a4b88b656db0f559a00c5b25738ed2 /arch/x86/include/asm | |
| parent | KVM: Clean up kvm_x86_emulate.h (diff) | |
| download | linux-291f26bc0f89518ad7ee3207c09eb8a743ac8fcc.tar.xz linux-291f26bc0f89518ad7ee3207c09eb8a743ac8fcc.zip | |
KVM: MMU: Extend kvm_mmu_page->slot_bitmap size
Otherwise set_bit() for private memory slot(above KVM_MEMORY_SLOTS) would
corrupted memory in 32bit host.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 93040b5eed96..59c3ae10de6c 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -192,9 +192,11 @@ struct kvm_mmu_page { u64 *spt; /* hold the gfn of each spte inside spt */ gfn_t *gfns; - unsigned long slot_bitmap; /* One bit set per slot which has memory - * in this shadow page. - */ + /* + * One bit set per slot which has memory + * in this shadow page. + */ + DECLARE_BITMAP(slot_bitmap, KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS); int multimapped; /* More than one parent_pte? */ int root_count; /* Currently serving as active root */ bool unsync; |