[Xen-changelog] [xen-unstable] hvm: Extend the CPUID whitelist to include Intel's AES-NI intructions

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1274857353 -3600
# Node ID 23291daa9da48c474b630de82bbe2a3fadc363d3
# Parent  5addb6cb16fd64c664b1e3dd335c76b3426e05e9
hvm: Extend the CPUID whitelist to include Intel's AES-NI intructions

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
---
 tools/libxc/xc_cpufeature.h |    1 +
 tools/libxc/xc_cpuid_x86.c  |    3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff -r 5addb6cb16fd -r 23291daa9da4 tools/libxc/xc_cpufeature.h
--- a/tools/libxc/xc_cpufeature.h       Wed May 26 08:01:21 2010 +0100
+++ b/tools/libxc/xc_cpufeature.h       Wed May 26 08:02:33 2010 +0100
@@ -83,6 +83,7 @@
 #define X86_FEATURE_SSE4_1     (4*32+19) /* Streaming SIMD Extensions 4.1 */
 #define X86_FEATURE_SSE4_2     (4*32+20) /* Streaming SIMD Extensions 4.2 */
 #define X86_FEATURE_POPCNT     (4*32+23) /* POPCNT instruction */
+#define X86_FEATURE_AES                (4*32+25) /* AES acceleration 
instructions */
 #define X86_FEATURE_XSAVE      (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
 #define X86_FEATURE_HYPERVISOR (4*32+31) /* Running under some hypervisor */
 
diff -r 5addb6cb16fd -r 23291daa9da4 tools/libxc/xc_cpuid_x86.c
--- a/tools/libxc/xc_cpuid_x86.c        Wed May 26 08:01:21 2010 +0100
+++ b/tools/libxc/xc_cpuid_x86.c        Wed May 26 08:02:33 2010 +0100
@@ -190,7 +190,8 @@ static void xc_cpuid_hvm_policy(
                     bitmaskof(X86_FEATURE_CX16) |
                     bitmaskof(X86_FEATURE_SSE4_1) |
                     bitmaskof(X86_FEATURE_SSE4_2) |
-                    bitmaskof(X86_FEATURE_POPCNT));
+                    bitmaskof(X86_FEATURE_POPCNT) |
+                    bitmaskof(X86_FEATURE_AES));
 
         regs[2] |= bitmaskof(X86_FEATURE_HYPERVISOR);
 

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