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Tue, 11 Dec 2018 04:41:32 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:54768 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726104AbeLKJlc (ORCPT ); Tue, 11 Dec 2018 04:41:32 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-188-f40uUyDMOVqSNcM9LzdinA-1; Tue, 11 Dec 2018 09:41:27 +0000 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b::d117) by AcuMS.aculab.com (fd9f:af1c:a25b::d117) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 11 Dec 2018 09:41:37 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 11 Dec 2018 09:41:37 +0000 From: David Laight To: 'Josh Poimboeuf' , Linus Torvalds CC: Andrew Lutomirski , Steven Rostedt , Peter Zijlstra , the arch/x86 maintainers , Linux List Kernel Mailing , Ard Biesheuvel , Ingo Molnar , Thomas Gleixner , "mhiramat@kernel.org" , "jbaron@akamai.com" , Jiri Kosina , "bp@alien8.de" , "julia@ni.com" , "jeyu@kernel.org" , Peter Anvin Subject: RE: [PATCH v2 4/4] x86/static_call: Add inline static call implementation for x86-64 Thread-Topic: [PATCH v2 4/4] x86/static_call: Add inline static call implementation for x86-64 Thread-Index: AQHUiMmXfegXbM3utEG1RWox6VieR6V5V5tg Date: Tue, 11 Dec 2018 09:41:37 +0000 Message-ID: <9fe3867d8f06424681ec2e75d8c6a7dd@AcuMS.aculab.com> References: <20181129124404.2fe55dd0@gandalf.local.home> <20181129125857.75c55b96@gandalf.local.home> <20181129134725.6d86ade6@gandalf.local.home> <20181129202452.56f4j2wdct6qbaqo@treble> <20181130162713.uoeyfau66buntyse@treble> In-Reply-To: <20181130162713.uoeyfau66buntyse@treble> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: f40uUyDMOVqSNcM9LzdinA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogSm9zaCBQb2ltYm9ldWYNCj4gU2VudDogMzAgTm92ZW1iZXIgMjAxOCAxNjoyNw0KPiAN Cj4gT24gVGh1LCBOb3YgMjksIDIwMTggYXQgMDM6MDQ6MjBQTSAtMDgwMCwgTGludXMgVG9ydmFs ZHMgd3JvdGU6DQo+ID4gT24gVGh1LCBOb3YgMjksIDIwMTggYXQgMTI6MjUgUE0gSm9zaCBQb2lt Ym9ldWYgPGpwb2ltYm9lQHJlZGhhdC5jb20+IHdyb3RlOg0KLi4uDQo+ID4gPiBNYXliZSB0aGF0 IHdvdWxkIGJlIG9rLiAgSWYgbXkgbWF0aCBpcyByaWdodCwgd2Ugd291bGQgdXNlIHRoZQ0KPiA+ ID4gb3V0LW9mLWxpbmUgdmVyc2lvbiBhbG1vc3QgNSUgb2YgdGhlIHRpbWUgZHVlIHRvIGNhY2hl IG1pc2FsaWdubWVudCBvZg0KPiA+ID4gdGhlIGFkZHJlc3MuDQo+ID4NCj4gPiBOb3RlIHRoYXQg SSBkb24ndCB0aGluayBjYWNoZS1saW5lIGFsaWdubWVudCBpcyBuZWNlc3NhcmlseSBzdWZmaWNp ZW50Lg0KPiA+DQo+ID4gVGhlIEkkIGZldGNoIGZyb20gdGhlIGNhY2hlbGluZSBjYW4gaGFwcGVu IGluIHNtYWxsZXIgY2h1bmtzLCBiZWNhdXNlDQo+ID4gdGhlIGJ1cyBiZXR3ZWVuIHRoZSBJJCBh bmQgdGhlIGluc3RydWN0aW9uIGRlY29kZSBpc24ndCBhIGZ1bGwNCj4gPiBjYWNoZWxpbmUgKHdl bGwsIGl0IGlzIF9ub3dfIGluIG1vZGVybiBiaWcgY29yZXMsIGJ1dCBpdCBoYXNuJ3QgYWx3YXlz DQo+ID4gYmVlbikuDQo+ID4NCj4gPiBTbyBldmVuIGlmIHRoZSBjYWNoZWxpbmUgaXMgdXBkYXRl ZCBhdG9taWNhbGx5LCBJIGNvdWxkIGltYWdpbmUgc2VlaW5nDQo+ID4gYSBwYXJ0aWFsIGZldGNo IGZyb20gdGhlIEkkIChvbGQgdmFsdWVzKSBhbmQgdGhlbiBhIHNlY29uZCBwYXJ0aWFsDQo+ID4g ZmV0Y2ggKG5ldyB2YWx1ZXMpLg0KPiA+DQo+ID4gSXQgd291bGQgYmUgaW50ZXJlc3RpbmcgdG8g a25vdyB3aGF0IHRoZSBleGFjdCBmZXRjaCBydWxlcyBhcmUuDQo+IA0KPiBJJ3ZlIGJlZW4gZG9p bmcgIHNvbWUgY3Jvc3MtbW9kaWZ5aW5nIGNvZGUgZXhwZXJpbWVudHMgb24gTmVoYWxlbSwgd2l0 aA0KPiBvbmUgQ1BVIHdyaXRpbmcgY2FsbCBkZXN0aW5hdGlvbnMgd2hpbGUgdGhlIG90aGVyIENQ VXMgYXJlIGV4ZWN1dGluZw0KPiB0aGVtLiAgUmVsaWFibHksIG9uZSBvZiB0aGUgcmVhZGVycyBn b2VzIG9mZiBpbnRvIHRoZSB3ZWVkcyB3aXRoaW4gYSBmZXcNCj4gc2Vjb25kcy4NCj4gDQo+IFRo ZSB3cml0aW5nIHdhcyBkb25lIHdpdGgganVzdCB0ZXh0X3Bva2UoKSwgbm8gI0JQLg0KPiANCj4g SSB3YXNuJ3QgYWJsZSB0byBmaWd1cmUgb3V0IHRoZSBwYXR0ZXJuIGluIHRoZSBhZGRyZXNzZXMg b2YgdGhlDQo+IGNvcnJ1cHRlZCBjYWxsIHNpdGVzLiAgSXQgd2Fzbid0IGNhY2hlIGxpbmUuDQo+ IA0KPiBUaGF0IHdhcyBvbiBOZWhhbGVtLiAgU2t5bGFrZSBkaWRuJ3QgY3Jhc2ggYXQgYWxsLg0K DQpJbnRlcmVzdGluZyB0aG91Z2h0Pw0KDQpJZiBpdCBpcyBwb3NzaWJsZSB0byBhZGQgYSBwcmVm aXggdGhhdCBjYW4gYmUgb3ZlcndyaXR0ZW4gYnkgYW4gaW50Mw0KaXMgaXQgYWxzbyBwb3NzaWJs ZSB0byBhZGQgc29tZXRoaW5nIHRoYXQgdGhlIGFzc2VtYmxlciB3aWxsIHVzZQ0KdG8gYWxpZ24g dGhlIGluc3RydWN0aW9uIHNvIHRoYXQgYSB3cml0ZSB0byB0aGUgNCBieXRlIG9mZnNldA0Kd2ls bCBiZSBhdG9taWM/DQoNCkknZCBndWVzcyB0aGF0IGF2b2lkaW5nIDggYnl0ZSBncmFudWxhcml0 eSB3b3VsZCBiZSBzdWZmaWNpZW50Lg0KU28geW91J2QgbmVlZCBhIDEsIDIgb3IgMyBieXRlIG5v cCBkZXBlbmRpbmcgb24gdGhlIGFjdHVhbA0KYWxpZ25tZW50IC0gYWx0aG91Z2ggYSAzIGJ5dGUg b25lIHdvdWxkIGFsd2F5cyBkby4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBM YWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBU LCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==