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[v3,1/3] x86: Use common variable range MTRR counts

Message ID 20140814213927.16881.15332.stgit@gimli.home
State New
Headers show

Commit Message

Alex Williamson Aug. 14, 2014, 9:39 p.m. UTC 
We currently define the number of variable range MTRR registers as 8
in the CPUX86State structure and vmstate, but use MSR_MTRRcap_VCNT
(also 8) to report to guests the number available.  Change this to
use MSR_MTRRcap_VCNT consistently.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Cc: qemu-stable@nongnu.org
---

 target-i386/cpu.h     |    2 +-
 target-i386/machine.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index e634d83..d37d857 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -930,7 +930,7 @@  typedef struct CPUX86State {
     /* MTRRs */
     uint64_t mtrr_fixed[11];
     uint64_t mtrr_deftype;
-    MTRRVar mtrr_var[8];
+    MTRRVar mtrr_var[MSR_MTRRcap_VCNT];
 
     /* For KVM */
     uint32_t mp_state;
diff --git a/target-i386/machine.c b/target-i386/machine.c
index 16d2f6a..fb89065 100644
--- a/target-i386/machine.c
+++ b/target-i386/machine.c
@@ -677,7 +677,7 @@  VMStateDescription vmstate_x86_cpu = {
         /* MTRRs */
         VMSTATE_UINT64_ARRAY_V(env.mtrr_fixed, X86CPU, 11, 8),
         VMSTATE_UINT64_V(env.mtrr_deftype, X86CPU, 8),
-        VMSTATE_MTRR_VARS(env.mtrr_var, X86CPU, 8, 8),
+        VMSTATE_MTRR_VARS(env.mtrr_var, X86CPU, MSR_MTRRcap_VCNT, 8),
         /* KVM-related states */
         VMSTATE_INT32_V(env.interrupt_injected, X86CPU, 9),
         VMSTATE_UINT32_V(env.mp_state, X86CPU, 9),