[Xen-changelog] [xen master] x86/cpuid: Handle the long vendor string in guest_cpuid()

[patchbot@xxxxxxx]

commit a75f6163cf838a2bdfe67f7bcbe26beccd37106d
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Jan 18 18:13:17 2017 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Wed Jan 25 10:24:40 2017 +0000

    x86/cpuid: Handle the long vendor string in guest_cpuid()
    
    Leaves 0x80000002 through 0x80000004 are plain ASCII text, and are left
    exactly as the toolstack chooses.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Doug Goldstein <cardoe@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/cpuid.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/cpuid.c b/xen/arch/x86/cpuid.c
index c06b5a6..9cea13c 100644
--- a/xen/arch/x86/cpuid.c
+++ b/xen/arch/x86/cpuid.c
@@ -698,7 +698,7 @@ static void pv_cpuid(uint32_t leaf, uint32_t subleaf, 
struct cpuid_leaf *res)
     case 0x2 ... 0x3:
     case 0x7 ... 0x9:
     case 0xc ... XSTATE_CPUID:
-    case 0x80000000 ... 0x80000001:
+    case 0x80000000 ... 0x80000004:
         ASSERT_UNREACHABLE();
         /* Now handled in guest_cpuid(). */
     }
@@ -815,7 +815,7 @@ static void hvm_cpuid(uint32_t leaf, uint32_t subleaf, 
struct cpuid_leaf *res)
     case 0x2 ... 0x3:
     case 0x7 ... 0x9:
     case 0xc ... XSTATE_CPUID:
-    case 0x80000000 ... 0x80000001:
+    case 0x80000000 ... 0x80000004:
         ASSERT_UNREACHABLE();
         /* Now handled in guest_cpuid(). */
     }
@@ -898,7 +898,7 @@ void guest_cpuid(const struct vcpu *v, uint32_t leaf,
         default:
             goto legacy;
 
-        case 0x80000000 ... 0x80000001:
+        case 0x80000000 ... 0x80000004:
             *res = p->extd.raw[leaf & 0xffff];
             break;
         }
--
generated by git-patchbot for /home/xen/git/xen.git#master

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