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Thu, 17 Dec 2020 10:26:06 +0800 Message-ID: <1608171967.26323.211.camel@mhfsdcap03> Subject: Re: [PATCH v3 4/7] iommu: Switch gather->end to unsigned long long From: Yong Wu To: David Laight CC: Joerg Roedel , Will Deacon , "Robin Murphy" , Matthias Brugger , Krzysztof Kozlowski , Tomasz Figa , "linux-mediatek@lists.infradead.org" , "srv_heupstream@mediatek.com" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "iommu@lists.linux-foundation.org" , "youlin.pei@mediatek.com" , Nicolas Boichat , "anan.sun@mediatek.com" , "chao.hao@mediatek.com" , Greg Kroah-Hartman , "kernel-team@android.com" Date: Thu, 17 Dec 2020 10:26:07 +0800 In-Reply-To: <6b4a1d37a90f4663adf6b4adb9f80e2b@AcuMS.aculab.com> References: <20201216103607.23050-1-yong.wu@mediatek.com> <20201216103607.23050-5-yong.wu@mediatek.com> <6b4a1d37a90f4663adf6b4adb9f80e2b@AcuMS.aculab.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: B9C6A281BF70BD4B15A9A916FF428EA37530DAF05AB6D1085009CD88534769EA2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgRGF2aWQsDQoNCk9uIFdlZCwgMjAyMC0xMi0xNiBhdCAxMTowMyArMDAwMCwgRGF2aWQgTGFp Z2h0IHdyb3RlOg0KPiBGcm9tOiBZb25nIFd1DQo+ID4gU2VudDogMTYgRGVjZW1iZXIgMjAyMCAx MDozNg0KPiA+IA0KPiA+IEN1cnJlbnRseSBnYXRoZXItPmVuZCBpcyAidW5zaWduZWQgbG9uZyIg d2hpY2ggbWF5IGJlIG92ZXJmbG93IGluDQo+ID4gYXJjaDMyIGluIHRoZSBjb3JuZXIgY2FzZTog MHhmZmYwMDAwMCArIDB4MTAwMDAwKGlvdmEgKyBzaXplKS4NCj4gPiBBbHRob3VnaCBpdCBkb2Vz bid0IGFmZmVjdCB0aGUgc2l6ZShlbmQgLSBzdGFydCksIGl0IGFmZmVjdHMgdGhlIGNoZWNraW5n DQo+ID4gImdhdGhlci0+ZW5kIDwgZW5kIg0KPiA+IA0KPiA+IEZpeGVzOiBhN2QyMGRjMTlkOWUg KCJpb21tdTogSW50cm9kdWNlIHN0cnVjdCBpb21tdV9pb3RsYl9nYXRoZXIgZm9yIGJhdGNoaW5n IFRMQiBmbHVzaGVzIikNCj4gPiBTaWduZWQtb2ZmLWJ5OiBZb25nIFd1IDx5b25nLnd1QG1lZGlh dGVrLmNvbT4NCj4gPiAtLS0NCj4gPiAgaW5jbHVkZS9saW51eC9pb21tdS5oIHwgNSArKystLQ0K PiA+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQ0KPiA+ IA0KPiA+IGRpZmYgLS1naXQgYS9pbmNsdWRlL2xpbnV4L2lvbW11LmggYi9pbmNsdWRlL2xpbnV4 L2lvbW11LmgNCj4gPiBpbmRleCA3OTRkNDA4NWVkZDMuLjZlOTA3YTk1ZDk4MSAxMDA2NDQNCj4g PiAtLS0gYS9pbmNsdWRlL2xpbnV4L2lvbW11LmgNCj4gPiArKysgYi9pbmNsdWRlL2xpbnV4L2lv bW11LmgNCj4gPiBAQCAtMTc4LDcgKzE3OCw3IEBAIGVudW0gaW9tbXVfZGV2X2ZlYXR1cmVzIHsN Cj4gPiAgICovDQo+ID4gIHN0cnVjdCBpb21tdV9pb3RsYl9nYXRoZXIgew0KPiA+ICAJdW5zaWdu ZWQgbG9uZwkJc3RhcnQ7DQo+ID4gLQl1bnNpZ25lZCBsb25nCQllbmQ7DQo+ID4gKwl1bnNpZ25l ZCBsb25nIGxvbmcJZW5kOw0KPiA+ICAJc2l6ZV90CQkJcGdzaXplOw0KPiA+ICB9Ow0KPiANCj4g RG9lc24ndCB0aGF0IGFkZCB0d28gcGFkIHdvcmRzIG9uIG1hbnkgMzJiaXQgc3lzdGVtcz8NCj4g WW91IHByb2JhYmx5IG91Z2h0IHRvIHJlLW9yZGVyIHRoZSBzdHJ1Y3R1cmUgdG8ga2VlcCB0aGUg ZmllbGRzDQo+IG9uIHRoZWlyIG5hdHVyYWwgYm91bmRhcmllcy4NCj4gDQo+IEknbSBub3Qgc3Vy ZSB3aGF0IGlzIGJlaW5nIG1hcHBlZCBoZXJlLCBidXQgY291bGQgaXQgbWFrZSBzZW5zZQ0KPiB0 byBqdXN0IGF2b2lkIHVzaW5nIHRoZSBoaWdoZXN0IGFkZHJlc3Nlcz8NCj4gVGhlbiB5b3UgbmV2 ZXIgaGl0IHRoZSBwcm9ibGVtLg0KDQpUaGFua3MgZm9yIHlvdXIgcmV2aWV3LiBmb2xsb3dpbmcg Um9iaW4ncyBzdWdnZXN0aW5nLCBJIHdpbGwgdXNlICJpb3ZhICsNCnNpemUgLSAxIiwgdGhlbiBh dm9pZCB0aGlzLg0KDQo+IA0KPiAJRGF2aWQNCj4gDQo+IC0NCj4gUmVnaXN0ZXJlZCBBZGRyZXNz IExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAx UFQsIFVLDQo+IFJlZ2lzdHJhdGlvbiBObzogMTM5NzM4NiAoV2FsZXMpDQo+IA0KDQo=