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Peter Anvin" , Michael Kelley References: <20230401063652.23522-1-jgross@suse.com> <20230401063652.23522-5-jgross@suse.com> <20230411132040.GHZDVeqCqATbbgzdXK@fat_crate.local> From: Juergen Gross In-Reply-To: <20230411132040.GHZDVeqCqATbbgzdXK@fat_crate.local> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------MyrZKL7FlvAXqmF6fOFVyVOk" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------MyrZKL7FlvAXqmF6fOFVyVOk Content-Type: multipart/mixed; boundary="------------gH070pLoPu7szx24cKQXFYL0"; protected-headers="v1" From: Juergen Gross To: Borislav Petkov Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Thomas Gleixner , Ingo Molnar , Dave Hansen , "H. Peter Anvin" , Michael Kelley Message-ID: Subject: Re: [PATCH v5 04/15] x86/mtrr: support setting MTRR state for software defined MTRRs References: <20230401063652.23522-1-jgross@suse.com> <20230401063652.23522-5-jgross@suse.com> <20230411132040.GHZDVeqCqATbbgzdXK@fat_crate.local> In-Reply-To: <20230411132040.GHZDVeqCqATbbgzdXK@fat_crate.local> --------------gH070pLoPu7szx24cKQXFYL0 Content-Type: multipart/mixed; boundary="------------UcxKLwooq0mJXfHh2SOlU0nr" --------------UcxKLwooq0mJXfHh2SOlU0nr Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMTEuMDQuMjMgMTU6MjAsIEJvcmlzbGF2IFBldGtvdiB3cm90ZToNCj4gT24gU2F0LCBB cHIgMDEsIDIwMjMgYXQgMDg6MzY6NDFBTSArMDIwMCwgSnVlcmdlbiBHcm9zcyB3cm90ZToN Cj4+IFdoZW4gcnVubmluZyB2aXJ0dWFsaXplZCwgTVRSUiBhY2Nlc3MgY2FuIGJlIHJlZHVj ZWQgKGUuZy4gaW4gWGVuIFBWDQo+PiBndWVzdHMgb3Igd2hlbiBydW5uaW5nIGFzIGEgU0VW LVNOUCBndWVzdCB1bmRlciBIeXBlci1WKS4gVHlwaWNhbGx5DQo+PiB0aGUgaHlwZXJ2aXNv ciB3aWxsIHJlc2V0IHRoZSBNVFJSIGZlYXR1cmUgaW4gQ1BVSUQgZGF0YSwgcmVzdWx0aW5n DQo+PiBpbiBubyBNVFJSIG1lbW9yeSB0eXBlIGluZm9ybWF0aW9uIGJlaW5nIGF2YWlsYWJs ZSBmb3IgdGhlIGtlcm5lbC4NCj4+DQo+PiBUaGlzIGhhcyB0dXJuZWQgb3V0IHRvIHJlc3Vs dCBpbiBwcm9ibGVtczoNCj4gDQo+IExldCdzIGFkZCB0aGUgbGlua3MgdG8gdGhvc2UgcHJv YmxlbXM6DQo+IA0KPj4gLSBIeXBlci1WIFNFVi1TTlAgZ3Vlc3RzIHVzaW5nIHVuY2FjaGVk IG1hcHBpbmdzIHdoZXJlIHRoZXkgc2hvdWxkbid0DQo+IA0KPiBJIGNhbid0IGZpbmQgTWlj aGFlbCdzIG9yaWdpbmFsIHJlcG9ydCwgZG8geW91IGhhdmUgYSBsaW5rPw0KDQpEWU0gDQpo dHRwczovL2xvcmUua2VybmVsLm9yZy9sa21sL0JZQVBSMjFNQjE2ODgzQUJDMTg2NTY2QkQ0 RDJBMTQ1MUQ3RkU5QEJZQVBSMjFNQjE2ODgubmFtcHJkMjEucHJvZC5vdXRsb29rLmNvbS8g DQo/DQoNCj4gDQo+PiAtIFhlbiBQViBkb20wIG1hcHBpbmcgbWVtb3J5IGFzIFdCIHdoaWNo IHNob3VsZCBiZSBVQy0gaW5zdGVhZA0KPiANCj4gTGluazogaHR0cHM6Ly9sb3JlLmtlcm5l bC5vcmcvYWxsLzRmZTk1NDFlLTRkNGMtMmIyYS1mOGM4LTJkMzRhNzI4NDkzMEBuZXJkYnlu YXR1cmUuZGUvDQo+IA0KPj4NCj4+IFNvbHZlIHRob3NlIHByb2JsZW1zIGJ5IHN1cHBvcnRp bmcgdG8gc2V0IGEgc3RhdGljIE1UUlIgc3RhdGUsDQo+IA0KPiBzL2J5IHN1cHBvcnRpbmcg dG8gc2V0IGEvYWxsb3dpbmcgYW4gTVRSUiBzdGF0aWMgc3RhdGUgb3ZlcnJpZGUvDQo+IA0K Pj4gK3ZvaWQgbXRycl9vdmVyd3JpdGVfc3RhdGUoc3RydWN0IG10cnJfdmFyX3JhbmdlICp2 YXIsIHVuc2lnbmVkIGludCBudW1fdmFyLA0KPj4gKwkJCSAgbXRycl90eXBlIGRlZl90eXBl KQ0KPj4gK3sNCj4+ICsJdW5zaWduZWQgaW50IGk7DQo+PiArDQo+PiArCS8qIE9ubHkgYWxs b3dlZCB0byBiZSBjYWxsZWQgb25jZSBiZWZvcmUgbXRycl9icF9pbml0KCkuICovDQo+PiAr CWlmIChXQVJOX09OKG10cnJfc3RhdGVfc2V0KSkNCj4gDQo+IFdBUk5fT05fT05DRSgpIGlz IHByb2JhYmx5IGJldHRlci4NCg0KSWYgeW91IGxpa2UgdGhhdCBiZXR0ZXIgKEkgZG9uJ3Qg c2VlIHRoZSByZWFsIGJlbmVmaXQsIGFzIHNvbWV0aGluZyB3b3VsZA0KYmUgc2V2ZXJlbHkg YnJva2VuIGlmIHRoaXMgdHJpZ2dlcnMgbW9yZSB0aGFuIG9uY2UsIGJ1dCBJIGRvbid0IHJl YWxseQ0KbWluZCkuDQoNCj4gDQo+PiArCQlyZXR1cm47DQo+PiArDQo+PiArCS8qIE9ubHkg YWxsb3dlZCB3aGVuIHJ1bm5pbmcgdmlydHVhbGl6ZWQuICovDQo+PiArCWlmICghY3B1X2Zl YXR1cmVfZW5hYmxlZChYODZfRkVBVFVSRV9IWVBFUlZJU09SKSkNCj4+ICsJCXJldHVybjsN Cj4+ICsNCj4+ICsJLyoNCj4+ICsJICogT25seSBhbGxvd2VkIGZvciBzcGVjaWFsIHZpcnR1 YWxpemF0aW9uIGNhc2VzOg0KPj4gKwkgKiAtIHdoZW4gcnVubmluZyBhcyBTRVYtU05QIGd1 ZXN0DQo+PiArCSAqIC0gd2hlbiBydW5uaW5nIGFzIEh5cGVyLVYgaXNvbGF0ZWQgZ3Vlc3QN Cj4gDQo+IAl3aGVuIHJ1bm5pbmcgYXMgYSBTRVYtU05QIGd1ZXN0IG9uIGEgSHlwZXJWIHdp dGggdlRPTSBlbmFibGVkDQo+IA0KPiB0aGF0J3MgYSBzaW5nbGUgY29uZGl0aW9uLg0KPiAN Cj4+ICsJICogLSB3aGVuIHJ1bm5pbmcgYXMgWGVuIFBWIGd1ZXN0DQo+PiArCSAqIC0gd2hl biBydW5uaW5nIGFzIFRTWCBndWVzdA0KPj4gKwkgKi8NCj4+ICsJaWYgKCFjY19wbGF0Zm9y bV9oYXMoQ0NfQVRUUl9HVUVTVF9TRVZfU05QKSAmJg0KPj4gKwkgICAgIWh2X2lzX2lzb2xh dGlvbl9zdXBwb3J0ZWQoKSAmJg0KPj4gKwkgICAgIWNwdV9mZWF0dXJlX2VuYWJsZWQoWDg2 X0ZFQVRVUkVfWEVOUFYpICYmDQo+PiArCSAgICAhY3B1X2ZlYXR1cmVfZW5hYmxlZChYODZf RkVBVFVSRV9URFhfR1VFU1QpKQ0KPiANCj4gSU9XOg0KPiANCj4gCWlmICghKGh2X2lzX2lz b2xhdGlvbl9zdXBwb3J0ZWQoKSAmJiBjY19wbGF0Zm9ybV9oYXMoQ0NfQVRUUl9HVUVTVF9T RVZfU05QKSkgJiYNCj4gCSAgICAhY3B1X2ZlYXR1cmVfZW5hYmxlZChYODZfRkVBVFVSRV9Y RU5QVikgJiYNCj4gCSAgICAhY3B1X2ZlYXR1cmVfZW5hYmxlZChYODZfRkVBVFVSRV9URFhf R1VFU1QpKQ0KDQpPa2F5Lg0KDQoNCkp1ZXJnZW4NCg0K --------------UcxKLwooq0mJXfHh2SOlU0nr Content-Type: application/pgp-keys; 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