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Peter Anvin'" , 'Thorsten Blum' , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "x86@kernel.org" CC: "Peter Zijlstra (Intel)" , Wei Liu , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] x86/apic: Use div64_ul() instead of do_div() Thread-Topic: [PATCH] x86/apic: Use div64_ul() instead of do_div() Thread-Index: AQHaaXLYiXydWB8fRkmBfBNz3Gms8bEh48oggAAxXYCAAH6fUA== Date: Fri, 1 Mar 2024 08:53:03 +0000 Message-ID: <500833b5660949c8b52b756f1c2acc0e@AcuMS.aculab.com> References: <20240227114333.1718-2-thorsten.blum@toblux.com> <7e46123775e64898bd7c467328125ee0@AcuMS.aculab.com> <96394DFF-43D7-4877-AA47-FC847FD26184@zytor.com> In-Reply-To: <96394DFF-43D7-4877-AA47-FC847FD26184@zytor.com> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 RnJvbTogSC4gUGV0ZXIgQW52aW4NCj4gU2VudDogMDEgTWFyY2ggMjAyNCAwMTowMg0KPiANCj4g Pj4NCj4gPj4gQ2hhbmdlIGRlbHRhcG0gdG8gdW5zaWduZWQgbG9uZyBhbmQgcmVwbGFjZSBkb19k aXYoKSB3aXRoIGRpdjY0X3VsKCkNCj4gPj4gd2hpY2ggZG9lc24ndCBpbXBsaWNpdGx5IGNhc3Qg dGhlIGRpdmlzb3IgYW5kIGRvZXNuJ3QgdW5uZWNlc3NhcmlseQ0KPiA+PiBjYWxjdWxhdGUgdGhl IHJlbWFpbmRlci4NCj4gPg0KPiA+RWg/IHRoZXkgYXJlIGVudGlyZWx5IGRpZmZlcmVudCBiZWFz dHMuDQo+ID4NCj4gPmRvX2RpdigpIGRvZXMgYSA2NCBieSAzMiBkaXZpZGUgdGhhdCBnaXZlcyBh IDMyYml0IHF1b3RpZW50Lg0KPiA+ZGl2NjRfdWwoKSBkb2VzIGEgbXVjaCBtb3JlIGV4cGVuc2l2 ZSA2NCBieSA2NCBkaXZpZGUgdGhhdA0KPiA+Y2FuIGdlbmVyYXRlIGEgNjRiaXQgcXVvdGllbnQu DQo+ID4NCj4gPlRoZSByZW1haW5kZXIgaXMgcHJldHR5IG11Y2ggZnJlZSBpbiBib3RoIGNhc2Vz Lg0KPiA+SWYgYSBjcHUgaGFzIGEgZGl2aWRlIGluc3RydWN0aW9uIGl0IHdpbGwgYWxtb3N0IGNl cnRhaW5seQ0KPiA+cHV0IHRoZSByZXN1bHQgaW4gb25lIHJlZ2lzdGVyIGFuZCB0aGUgcXVvdGll bnQgaW4gYW5vdGhlci4NCj4gPg0KPiANCj4gTm90IG9uIGUuZy4gUklTQy1WLg0KDQpJZiB0aGUg cmVtYWluZGVyIGlzbid0IHVzZWQgdGhlIGNvbXBpbGVyIHNob3VsZCBvcHRpbWlzZQ0KYXdheSBh bnkgY29kZSB1c2VkIHRvIGdlbmVyYXRlIGl0Lg0KDQpnY2MgaXMgYWxzbyBnZW5lcmF0aW5nIHJh dGhlciBzdWItb3B0aW1hbCBjb2RlLg0KT24geDg2IGl0IG9ubHkgZG9lcyBvbmUgZGl2aWRlIGZv ciBjb2RlIHRoYXQgdXNlcyAnYSAvIGInIGFuZA0KJ2EgJSBiJywgYnV0IGZvciByaXNjdiBpdCBk b2VzIHNlcGFyYXRlIGRpdmlkZSBhbmQgcmVtYWluZGVyDQppbnN0cnVjdGlvbnMuDQpjbGFuZyBk b2VzIGEgbXVsdGlwbHkgYW5kIHN1YnRyYWN0IGZvciB0aGUgcmVtYWluZGVyLg0KDQpDb21wYXJl ZCB0byBhbnkgZm9ybSBvZiBkaXZpZGUsIHRoZSBleHRyYSBtdWx0aXBseSBpcyBub2lzZS4NCg0K Z2NjIGFsc28gcGVzc2ltaXNlcyBhdHRlbXB0cyB0byBjYWxjdWxhdGUgdGhlIHJlbWFpbmRlcjoN Cmh0dHBzOi8vZ29kYm9sdC5vcmcvei9Ub2poMXFjdnMNCg0KQXJlIHRoZSBpbnN0cnVjdGlvbiB3 ZWlnaHRzIHNldCBjb3JyZWN0bHkgZm9yIGRpdmlkZS9yZW1haW5kZXI/DQpJdCBpcyBhbG1vc3Qg YXMgdGhvdWdoIGdjYyB0aGlua3MgcmVtYWluZGVyIGlzIGZhc3QuDQoNCkFjdHVhbGx5IEkgc3Vz cGVjdCBldmVuIHRoZSA2NCBieSAzMiBkaXZpZGUgaXMgYSBzb2Z0d2FyZSBsb29wDQpvbiByaXNj diAoMzJiaXQpLg0KTm90IGNoZWNrZWQgYnV0IEkgc3VzcGVjdCB0aGUgaW1wbGVtZW50YXRpb25z IChlc3AgZnBnYSBvbmVzKSB3b24ndA0KYWxsb3cgMyBpbnB1dHMgdG8gdGhlIEFMVS4NCg0KCURh dmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3Vu dCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3 Mzg2IChXYWxlcykNCg==