From: Keir Fraser <keir.fraser@citrix.com>
Date: Wed, 19 Aug 2009 12:16:50 +0000 (+0100)
Subject: x86 hvm: Remove vendor-specific feature masking of 0x1:ECX.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~13459
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success//%22http:/www.example.com/cgi/success/?a=commitdiff_plain;h=5ae9d73d9301cdf95b6567be8fcf1631c3f0b66a;p=xen.git

x86 hvm: Remove vendor-specific feature masking of 0x1:ECX.

Vendors are respecting each others bits.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
---

diff --git a/tools/libxc/xc_cpuid_x86.c b/tools/libxc/xc_cpuid_x86.c
index f9ef0de10b..f31066a460 100644
--- a/tools/libxc/xc_cpuid_x86.c
+++ b/tools/libxc/xc_cpuid_x86.c
@@ -71,13 +71,6 @@ static void amd_xc_cpuid_policy(
 {
     switch ( input[0] )
     {
-    case 0x00000001:
-        /* Mask Intel-only features. */
-        regs[2] &= ~(bitmaskof(X86_FEATURE_SSSE3) |
-                     bitmaskof(X86_FEATURE_SSE4_1) |
-                     bitmaskof(X86_FEATURE_SSE4_2));
-        break;
-
     case 0x00000002:
     case 0x00000004:
         regs[0] = regs[1] = regs[2] = 0;
@@ -126,11 +119,6 @@ static void intel_xc_cpuid_policy(
 {
     switch ( input[0] )
     {
-    case 0x00000001:
-        /* Mask AMD-only features. */
-        regs[2] &= ~(bitmaskof(X86_FEATURE_POPCNT));
-        break;
-
     case 0x00000004:
         /*
          * EAX[31:26] is Maximum Cores Per Package (minus one).