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authorLinus Torvalds <torvalds@linux-foundation.org>2012-11-01 08:27:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-11-01 08:27:02 -0700
commit8c23f406c6d86808726ace580657186bc3b44587 (patch)
tree4a319a6d9b7c37166f10bd8d8af5e5f78b6abb12 /include
parent1e207eb1c3f0e8b690401f02fe08e7b53903f010 (diff)
parent87da7e66a40532b743cd50972fcf85a1f15b14ea (diff)
Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fix from Marcelo Tosatti. * git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: fix vcpu->mmio_fragments overflow
Diffstat (limited to 'include')
-rw-r--r--include/linux/kvm_host.h15
1 files changed, 2 insertions, 13 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 93bfc9f9815c..ecc554374e44 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -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,