File 5e846cce-x86-HVM-fix-AMD-ECS-handling-for-Fam10.patch of Package xen.14764

# Commit 5d515b1c296ebad6889748ea1e49e063453216a3
# Date 2020-04-01 12:28:30 +0200
# Author Jan Beulich <jbeulich@suse.com>
# Committer Jan Beulich <jbeulich@suse.com>
x86/HVM: fix AMD ECS handling for Fam10

The involved comparison was, very likely inadvertently, converted from
>= to > when making changes unrelated to the actual family range.

Fixes: 9841eb71ea87 ("x86/cpuid: Drop a guests cached x86 family and model information")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Paul Durrant <paul@xen.org>

--- a/xen/arch/x86/hvm/ioreq.c
+++ b/xen/arch/x86/hvm/ioreq.c
@@ -1287,7 +1287,7 @@ struct hvm_ioreq_server *hvm_select_iore
         if ( CF8_ADDR_HI(cf8) &&
              d->arch.cpuid->x86_vendor == X86_VENDOR_AMD &&
              (x86_fam = get_cpu_family(
-                 d->arch.cpuid->basic.raw_fms, NULL, NULL)) > 0x10 &&
+                 d->arch.cpuid->basic.raw_fms, NULL, NULL)) >= 0x10 &&
              x86_fam < 0x17 )
         {
             uint64_t msr_val;