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Merge git://git.kernel.org/pub/scm/virt/kvm/kvm

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Pull KVM fix from Marcelo Tosatti.

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: fix vcpu->mmio_fragments overflow
This commit is contained in:
Linus Torvalds
2012-11-01 08:27:02 -07:00
parent 1e207eb1c3 87da7e66a4
commit 8c23f406c6
2 changed files with 36 additions and 39 deletions
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include/linux/kvm_host.h
+2 -13
View File
@@ -42,19 +42,8 @@
*/
#define KVM_MEMSLOT_INVALID (1UL << 16)
/*
* If we support unaligned MMIO, at most one fragment will be split into two:
*/
#ifdef KVM_UNALIGNED_MMIO
# define KVM_EXTRA_MMIO_FRAGMENTS 1
#else
# define KVM_EXTRA_MMIO_FRAGMENTS 0
#endif
#define KVM_USER_MMIO_SIZE 8
#define KVM_MAX_MMIO_FRAGMENTS \
(KVM_MMIO_SIZE / KVM_USER_MMIO_SIZE + KVM_EXTRA_MMIO_FRAGMENTS)
/* Two fragments for cross MMIO pages. */
#define KVM_MAX_MMIO_FRAGMENTS 2
/*
* For the normal pfn, the highest 12 bits should be zero,