On 05/26/2011 02:56 PM, Marcelo Tosatti wrote:
Commit fa4491a6b667304 moved the permission check for io instructions
to the ->check_perm callback. It failed to copy the port value from RDX
register for string and "in,out ax,dx" instructions.
Fix it by reading RDX register at decode stage when appropriate.
Fixes FC8.32 installation.
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 3bc6b7a..fc3d2d9 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -47,7 +47,7 @@
#define DstDI (5<<1) /* Destination is in ES:(E)DI */
#define DstMem64 (6<<1) /* 64bit memory operand */
#define DstImmUByte (7<<1) /* 8-bit unsigned immediate operand */
-#define DstMask (7<<1)
+#define DstMask ((7<<1) | (1<<18))
Ouch, why??
My comment about bits 19-20 was only about the shifting of of Prot etc.
from 21+ to 22+.
--
error compiling committee.c: too many arguments to function
--
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