Commit 76e5a4d5 authored by Robert Hoo's avatar Robert Hoo Committed by Paolo Bonzini
Browse files

i386: remove the new CPUID 'PCONFIG' from Icelake-Server CPU model 



PCONFIG is not available to guests; it must be specifically enabled
using the PCONFIG_ENABLE execution control.  Disable it, because
no one can ever use it.

Signed-off-by: default avatarRobert Hoo <robert.hu@linux.intel.com>
Message-Id: <1545227081-213696-2-git-send-email-robert.hu@linux.intel.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent fda672b5

target/i386/cpu.c

+1 −2
Original line number Diff line number Diff line
@@ -2650,8 +2650,7 @@ static X86CPUDefinition builtin_x86_defs[] = { 
            CPUID_7_0_ECX_AVX512VNNI | CPUID_7_0_ECX_AVX512BITALG |

            CPUID_7_0_ECX_AVX512_VPOPCNTDQ | CPUID_7_0_ECX_LA57,

        .features[FEAT_7_0_EDX] =

            CPUID_7_0_EDX_PCONFIG | CPUID_7_0_EDX_SPEC_CTRL |

            CPUID_7_0_EDX_SPEC_CTRL_SSBD,

            CPUID_7_0_EDX_SPEC_CTRL | CPUID_7_0_EDX_SPEC_CTRL_SSBD,

        /* Missing: XSAVES (not supported by some Linux versions,

                * including v4.1 to v4.12).

                * KVM doesn't yet expose any XSAVES state save component,