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envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; received-spf: None (protection.outlook.com: suse.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: nzG9I4OLCSODnR/+IExXGYTMidXvTTbXSEt3iC3SULg9XEuiAv3CnUXs74BvhxTS2jcXl4KhxS5uRX/k51b443vtVSSIyr3+63CA9Wpx/k4MWSYFjYzIzv72H+uH/YG7kiBR9s9TcmQazzK26G3Z+gcA06f1QVSEL3rBv18CtxjwTM2sifhjIpW2FXycDmf+IwcfaUuyQIHrqbiMr/faYgF0QOrlmBbWHA38z0dcpFJrn1fmpgKujgTJwdJ/NoMEvK/iHWjWazkgOxNmwthCEzZcWWlSxYvasU7X4tUlv4VNIKU6oD4Vx9FsipohREETRKYeMwLaIhuyqHQ1cLTHPt5T2QaHWZPHwq+KYR4dYa8YLOYPcivVTw/9rxO30ZgJ7Rp9V/wKFfELwesZ7KH7tnP6majQ7+srU+f1EkWh87M= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 66d91374-569e-4591-17ee-08d715b84a3a X-MS-Exchange-CrossTenant-originalarrivaltime: 31 Jul 2019 13:09:16.2739 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 856b813c-16e5-49a5-85ec-6f081e13b527 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jnwang@suse.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR18MB3220 X-OriginatorOrg: suse.com Subject: [Xen-devel] [PATCH] Speculative mitigation facilities report wrong status v2 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "andrew.cooper3@citrix.com" , Jin Nan Wang , "wl@xen.org" , Jan Beulich , "roger.pau@citrix.com" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Add a check about X86_FEATURE_MD_CLEAR to avoid to print "None". --- xen/arch/x86/spec_ctrl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xen/arch/x86/spec_ctrl.c b/xen/arch/x86/spec_ctrl.c index cada9a058e..468a847598 100644 --- a/xen/arch/x86/spec_ctrl.c +++ b/xen/arch/x86/spec_ctrl.c @@ -366,6 +366,7 @@ static void __init print_details(enum ind_thunk thunk, = uint64_t caps) printk(" Support for HVM VMs:%s%s%s%s%s\n", (boot_cpu_has(X86_FEATURE_SC_MSR_HVM) || boot_cpu_has(X86_FEATURE_SC_RSB_HVM) || + boot_cpu_has(X86_FEATURE_MD_CLEAR) || opt_eager_fpu) ? "" : = " None", boot_cpu_has(X86_FEATURE_SC_MSR_HVM) ? " MSR_SPEC_CTRL" : = "", boot_cpu_has(X86_FEATURE_SC_RSB_HVM) ? " RSB" : = "", @@ -377,6 +378,7 @@ static void __init print_details(enum ind_thunk thunk, = uint64_t caps) printk(" Support for PV VMs:%s%s%s%s%s\n", (boot_cpu_has(X86_FEATURE_SC_MSR_PV) || boot_cpu_has(X86_FEATURE_SC_RSB_PV) || + boot_cpu_has(X86_FEATURE_MD_CLEAR) || opt_eager_fpu) ? "" : = " None", boot_cpu_has(X86_FEATURE_SC_MSR_PV) ? " MSR_SPEC_CTRL" : = "", boot_cpu_has(X86_FEATURE_SC_RSB_PV) ? " RSB" : = "", --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel