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[Xen-devel] [PATCH 1 of 2] trace: Reinstate tracing for emualted MSR rea

from [George Dunlap]

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Subject:	[Xen-devel] [PATCH 1 of 2] trace: Reinstate tracing for emualted MSR reads and writes
From:	George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Date:	Thu, 8 Jul 2010 17:33:28 +0100
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Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

diff -r 9d965ac1b0db -r be013c2c88d7 xen/arch/x86/hvm/hvm.c
--- a/xen/arch/x86/hvm/hvm.c    Mon Jul 05 08:40:26 2010 +0100
+++ b/xen/arch/x86/hvm/hvm.c    Thu Jul 08 17:32:51 2010 +0100
@@ -2103,6 +2103,8 @@
         }
     }
 
+    HVMTRACE_3D(MSR_READ, (uint32_t)*msr_content, (uint32_t)(*msr_content >> 
32), msr);
+
     return X86EMUL_OKAY;
 
 gp_fault:
@@ -2117,6 +2119,8 @@
     uint32_t cpuid[4];
     int ret;
 
+    HVMTRACE_3D(MSR_WRITE, (uint32_t)msr_content, (uint32_t)(msr_content >> 
32), msr);
+
     hvm_cpuid(1, &cpuid[0], &cpuid[1], &cpuid[2], &cpuid[3]);
     mtrr = !!(cpuid[3] & bitmaskof(X86_FEATURE_MTRR));
 

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