target-i386: kvm: Increase MSR_BUF_SIZE

[mirror_qemu.git] / target-i386 / kvm.c

diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 7ad9c32326ffeab7cb5158ab5fe01647c480ba89..1c20e3ce5b4ec219155d7f74325a5957da1b5072 100644 (file)
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -57,8 +57,9 @@
 #define MSR_KVM_WALL_CLOCK  0x11
 #define MSR_KVM_SYSTEM_TIME 0x12
 
-#define MSR_BUF_SIZE \
-    (sizeof(struct kvm_msrs) + 150 * sizeof(struct kvm_msr_entry))
+/* A 4096-byte buffer can hold the 8-byte kvm_msrs header, plus
+ * 255 kvm_msr_entry structs */
+#define MSR_BUF_SIZE 4096
 
 #ifndef BUS_MCEERR_AR
 #define BUS_MCEERR_AR 4