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d="scan'208";a="436443967" Received: from jacob-builder.jf.intel.com (HELO jacob-builder) ([10.7.199.155]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2021 20:29:21 -0700 Date: Mon, 10 May 2021 20:31:45 -0700 From: Jacob Pan To: Jason Gunthorpe Subject: Re: [PATCH v4 1/2] iommu/sva: Tighten SVA bind API with explicit flags Message-ID: <20210510203145.086835cc@jacob-builder> In-Reply-To: <20210510233749.GG1002214@nvidia.com> References: <1620653108-44901-1-git-send-email-jacob.jun.pan@linux.intel.com> <1620653108-44901-2-git-send-email-jacob.jun.pan@linux.intel.com> <20210510233749.GG1002214@nvidia.com> Organization: OTC X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Cc: vkoul@kernel.org, "Tian, Kevin" , Dave Jiang , Raj Ashok , LKML , Christoph Hellwig , iommu@lists.linux-foundation.org, zhangfei.gao@linaro.org, Jean-Philippe Brucker X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" SGkgSmFzb24sCgpPbiBNb24sIDEwIE1heSAyMDIxIDIwOjM3OjQ5IC0wMzAwLCBKYXNvbiBHdW50 aG9ycGUgPGpnZ0BudmlkaWEuY29tPiB3cm90ZToKCj4gT24gTW9uLCBNYXkgMTAsIDIwMjEgYXQg MDY6MjU6MDdBTSAtMDcwMCwgSmFjb2IgUGFuIHdyb3RlOgo+IAo+ID4gKy8qCj4gPiArICogVGhl IElPTU1VX1NWQV9CSU5EX1NVUEVSVklTT1IgZmxhZyByZXF1ZXN0cyBhIFBBU0lEIHdoaWNoIGNh biBiZQo+ID4gdXNlZCBvbmx5Cj4gPiArICogZm9yIGFjY2VzcyB0byBrZXJuZWwgYWRkcmVzc2Vz LiBObyBJT1RMQiBmbHVzaGVzIGFyZSBhdXRvbWF0aWNhbGx5Cj4gPiBkb25lCj4gPiArICogZm9y IGtlcm5lbCBtYXBwaW5nczsgaXQgaXMgdmFsaWQgb25seSBmb3IgYWNjZXNzIHRvIHRoZSBrZXJu ZWwncwo+ID4gc3RhdGljCj4gPiArICogMToxIG1hcHBpbmcgb2YgcGh5c2ljYWwgbWVtb3J5IOKA lCBub3QgdG8gdm1hbGxvYyBvciBldmVuIG1vZHVsZQo+ID4gbWFwcGluZ3MuCj4gPiArICogQSBm dXR1cmUgQVBJIGFkZGl0aW9uIG1heSBwZXJtaXQgdGhlIHVzZSBvZiBzdWNoIHJhbmdlcywgYnkg bWVhbnMKPiA+IG9mIGFuCj4gPiArICogZXhwbGljaXQgSU9UTEIgZmx1c2ggY2FsbCAoYWtpbiB0 byB0aGUgRE1BIEFQSSdzIHVubWFwIG1ldGhvZCkuCj4gPiArICoKPiA+ICsgKiBJdCBpcyB1bmxp a2VseSB0aGF0IHdlIHdpbGwgZXZlciBob29rIGludG8gZmx1c2hfdGxiX2tlcm5lbF9yYW5nZSgp Cj4gPiB0bwo+ID4gKyAqIGRvIHN1Y2ggSU9UTEIgZmx1c2hlcyBhdXRvbWF0aWNhbGx5Lgo+ID4g KyAqLwo+ID4gKyNkZWZpbmUgSU9NTVVfU1ZBX0JJTkRfU1VQRVJWSVNPUiAgICAgICBCSVQoMCkg IAo+IAo+IEh1aD8gVGhhdCBpc24ndCByZWFsbHkgU1ZBLCBjYW4geW91IGNhbGwgaXQgc29tZXRo aW5nIHNhbmVyIHBsZWFzZT8KPiAKVGhpcyBpcyBzaGFyZWQga2VybmVsIHZpcnR1YWwgYWRkcmVz cywgSSBhbSBmb2xsb3dpbmcgdGhlIFNWQSBsaWIgbmFtaW5nCnNpbmNlIHRoaXMgaXMgd2hlcmUg dGhlIGZsYWcgd2lsbCBiZSB1c2VkLiBXaHkgdGhpcyBpcyBub3QgU1ZBPyBLZXJuZWwKdmlydHVh bCBhZGRyZXNzIGlzIHN0aWxsIHZpcnR1YWwgYWRkcmVzcy4gSXMgaXQgZHVlIHRvIGRpcmVjdCBt YXA/Cgo+IElzIGl0IHJlYWxseSBhIFBBU0lEIHRoYXQgYWx3YXlzIGhhcyBhbGwgb2YgcGh5c2lj YWwgbWVtb3J5IG1hcHBlZAo+IGludG8gaXQ/IFNvdW5kcyBkYW5nZXJvdXMuIFdoYXQgaXMgaXQg Zm9yPwo+IAoKWWVzLiBJdCBpcyB0byBiaW5kIERNQSByZXF1ZXN0IHcvIFBBU0lEIHdpdGggaW5p dF9tbS9pbml0X3RvcF9wZ3QuIFBlciBQQ0llCnNwZWMgUEFTSUQgVExQIHByZWZpeCBoYXMgIlBy aXZpbGVnZWQgTW9kZSBSZXF1ZXN0ZWQiIGJpdC4gVlQtZCBzdXBwb3J0cwp0aGlzIHdpdGggIlBy aXZpbGVnZWQtbW9kZS1SZXF1ZXN0ZWQgKFBSKSBmbGFnICh0byBkaXN0aW5ndWlzaCB1c2VyIHZl cnN1cwpzdXBlcnZpc29yIGFjY2VzcykiLiBFYWNoIFBBU0lEIGVudHJ5IGhhcyBhIFNSRSAoU3Vw ZXJ2aXNvciBSZXF1ZXN0IEVuYWJsZSkKYml0LgoKUGVyaGFwcyB3ZSBzaG91bGQgbGltaXQgdGhh dCB0byB0cnVzdGVkIGRldmljZSwgZS5nLiBSQ0lFUCBkZXZpY2U/Cgo+IEphc29uCgoKVGhhbmtz LAoKSmFjb2IKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K aW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBz Oi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11