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KVM: MMU: Extend kvm_mmu_page->slot_bitmap size

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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>
This commit is contained in:
Sheng Yang
2008-10-16 17:30:57 +08:00
committed by Avi Kivity
parent d73fa29a9b
commit 291f26bc0f
2 changed files with 8 additions and 6 deletions
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8
arch/x86/include/asm/kvm_host.h
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@@ -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;