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Peter Anvin" , "Li, Xin3" , "linux-kernel@vger.kernel.org" , "x86@kernel.org" Cc: "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "peterz@infradead.org" , "brgerst@gmail.com" , "Bae, Chang Seok" References: <20221019095035.10823-1-xin3.li@intel.com> <20221019095035.10823-6-xin3.li@intel.com> <439a325f-6a00-845e-7850-43abfc60cd44@suse.com> From: Juergen Gross In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------VuKPs22vyCHx8bbBRj0FoSPA" X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------VuKPs22vyCHx8bbBRj0FoSPA Content-Type: multipart/mixed; boundary="------------KZV1AUAFULLfItnPdIhpX06e"; protected-headers="v1" From: Juergen Gross To: "H. Peter Anvin" , "Li, Xin3" , "linux-kernel@vger.kernel.org" , "x86@kernel.org" Cc: "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "peterz@infradead.org" , "brgerst@gmail.com" , "Bae, Chang Seok" Message-ID: <826853e4-f7ce-349d-c0c0-74516af6ff8c@suse.com> Subject: Re: [PATCH v4 5/5] x86/gsseg: use the LKGS instruction if available for load_gs_index() References: <20221019095035.10823-1-xin3.li@intel.com> <20221019095035.10823-6-xin3.li@intel.com> <439a325f-6a00-845e-7850-43abfc60cd44@suse.com> In-Reply-To: --------------KZV1AUAFULLfItnPdIhpX06e Content-Type: multipart/mixed; boundary="------------310aJ3XjUWzWI3oLeIQVjx1A" --------------310aJ3XjUWzWI3oLeIQVjx1A Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMTkuMTAuMjIgMjA6MDEsIEguIFBldGVyIEFudmluIHdyb3RlOg0KPiBPbiBPY3RvYmVy IDE5LCAyMDIyIDEwOjQ1OjA3IEFNIFBEVCwgIkxpLCBYaW4zIiA8eGluMy5saUBpbnRlbC5j b20+IHdyb3RlOg0KPj4+PiArc3RhdGljIGlubGluZSB2b2lkIF9faW5pdCBsa2dzX2luaXQo dm9pZCkgeyAjaWZkZWYNCj4+Pj4gK0NPTkZJR19QQVJBVklSVF9YWEwgI2lmZGVmIENPTkZJ R19YODZfNjQNCj4+Pj4gKwlpZiAoY3B1X2ZlYXR1cmVfZW5hYmxlZChYODZfRkVBVFVSRV9M S0dTKSkNCj4+Pj4gKwkJcHZfb3BzLmNwdS5sb2FkX2dzX2luZGV4ID0gbmF0aXZlX2xrZ3M7 DQo+Pj4NCj4+PiBGb3IgdGhpcyB0byB3b3JrIGNvcnJlY3RseSB3aGVuIHJ1bm5pbmcgYXMg YSBYZW4gUFYgZ3Vlc3QsIHlvdSBuZWVkIHRvIGFkZA0KPj4+DQo+Pj4gCXNldHVwX2NsZWFy X2NwdV9jYXAoWDg2X0ZFQVRVUkVfTEtHUyk7DQo+Pj4NCj4+PiB0byB4ZW5faW5pdF9jYXBh YmlsaXRpZXMoKSBpbiBhcmNoL3g4Ni94ZW4vZW5saWdodGVuX3B2LmMsIGFzIG90aGVyd2lz ZSB0aGUgWGVuDQo+Pj4gc3BlY2lmaWMgLmxvYWRfZ3NfaW5kZXggdmVjdG9yIHdpbGwgYmUg b3ZlcndyaXR0ZW4uDQo+Pg0KPj4gWWVhaCwgd2UgZGVmaW5pdGVseSBzaG91bGQgYWRkIGl0 IHRvIGRpc2FibGUgTEtHUyBpbiBhIFhlbiBQViBndWVzdC4NCj4+DQo+PiBTbyBkb2VzIGl0 IG1lYW4gdGhhdCB0aGUgWGVuIFBWIHVzZXMgYSBibGFjayBsaXN0IGR1cmluZyBmZWF0dXJl IGRldGVjdGlvbj8NCj4+IElmIHllcyB0aGVuIG5ldyBmZWF0dXJlcyBhcmUgb2Z0ZW4gcmVx dWlyZWQgdG8gYmUgbWFza2VkIHdpdGggYW4gZXhwbGljaXQNCj4+IGNhbGwgdG8gc2V0dXBf Y2xlYXJfY3B1X2NhcC4NCj4+DQo+PiBXb3VsZG4ndCBhIHdoaXRlIGxpc3QgYmUgYmV0dGVy Pw0KPj4gVGhlbiB0aGUgam9iIGlzIG1vcmUganVzdCBvbiB0aGUgWGVuIFBWIHNpZGUsIGFu ZCBpdCBjYW4gc2VsZWN0aXZlbHkgZW5hYmxlDQo+PiBhIG5ldyBmZWF0dXJlLCBzb21ldGlt ZXMgd2l0aCBYZW4gUFYgc3BlY2lmaWMgaGFuZGxpbmcgY29kZSBhZGRlZC4NCj4+DQo+PiBY aW4NCj4+DQo+Pj4NCj4+Pg0KPj4+IEp1ZXJnZW4NCj4+DQo+IA0KPiBNb3N0IHRoaW5ncyBk b24ndCBmcm9iIHRoZSBwYXJhdmlydCBsaXN0Lg0KPiANCj4gTWF5YmUgd2Ugc2hvdWxkIG1h a2UgdGhlIHBhcmF2aXJ0IGZyb2JiaW5nIGEgc2VwYXJhdGUgcGF0Y2gsIGF0IGl0IGlzIHNl cGFyYWJsZS4NCg0KV29ya3MgZm9yIG1lLg0KDQoNCkp1ZXJnZW4NCg== --------------310aJ3XjUWzWI3oLeIQVjx1A Content-Type: application/pgp-keys; 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