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Wed, 15 Nov 2023 05:57:46 -0800 (PST) MIME-Version: 1.0 References: <0-v2-de8b10590bf5+400-smmuv3_newapi_p1_jgg@nvidia.com> <6-v2-de8b10590bf5+400-smmuv3_newapi_p1_jgg@nvidia.com> In-Reply-To: <6-v2-de8b10590bf5+400-smmuv3_newapi_p1_jgg@nvidia.com> From: Michael Shavit Date: Wed, 15 Nov 2023 21:57:09 +0800 Message-ID: Subject: Re: [PATCH v2 06/19] iommu/arm-smmu-v3: Move arm_smmu_rmr_install_bypass_ste() To: Jason Gunthorpe Cc: iommu@lists.linux.dev, Joerg Roedel , linux-arm-kernel@lists.infradead.org, Robin Murphy , Will Deacon , Nicolin Chen , Shameerali Kolothum Thodi X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231115_055750_526212_26B1F243 X-CRM114-Status: GOOD ( 21.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVHVlLCBOb3YgMTQsIDIwMjMgYXQgMTo1M+KAr0FNIEphc29uIEd1bnRob3JwZSA8amdnQG52 aWRpYS5jb20+IHdyb3RlOgo+Cj4gTG9naWNhbGx5IGFybV9zbW11X2luaXRfc3RydGFiX2xpbmVh cigpIGlzIHRoZSBmdW5jdGlvbiB0aGF0IGFsbG9jYXRlcyBhbmQKPiBwb3B1bGF0ZXMgdGhlIHN0 cmVhbSB0YWJsZSB3aXRoIHRoZSBpbml0aWFsIHZhbHVlIG9mIHRoZSBTVEVzLiBBZnRlciB0aGlz Cj4gZnVuY3Rpb24gcmV0dXJucyB0aGUgc3RyZWFtIHRhYmxlIHNob3VsZCBiZSBmdWxseSByZWFk eS4KPgo+IGFybV9zbW11X3Jtcl9pbnN0YWxsX2J5cGFzc19zdGUoKSBhZGp1c3RzIHRoZSBpbml0 aWFsIHN0cmVhbSB0YWJsZSB0byBmb3JjZQo+IGFueSBTSURzIHRoYXQgdGhlIEZXIHNheXMgaGF2 ZSBJT01NVV9SRVNWX0RJUkVDVCB0byB1c2UgYnlwYXNzLiBUaGlzCj4gZW5zdXJlcyB0aGVyZSBp cyBubyBkaXNydXB0aW9uIHRvIHRoZSBpZGVudGl0eSBtYXBwaW5nIGR1cmluZyBib290Lgo+Cj4g UHV0IGFybV9zbW11X3Jtcl9pbnN0YWxsX2J5cGFzc19zdGUoKSBpbnRvIGFybV9zbW11X2luaXRf c3RydGFiX2xpbmVhcigpLAo+IGl0IGFscmVhZHkgZXhlY3V0ZXMgaW1tZWRpYXRlbHkgYWZ0ZXIg YXJtX3NtbXVfaW5pdF9zdHJ0YWJfbGluZWFyKCkuCj4KPiBObyBmdW5jdGlvbmFsIGNoYW5nZSBp bnRlbmRlZC4KPgo+IFNpZ25lZC1vZmYtYnk6IEphc29uIEd1bnRob3JwZSA8amdnQG52aWRpYS5j b20+ClJldmlld2VkLWJ5OiBNaWNoYWVsIFNoYXZpdCA8bXNoYXZpdEBnb29nbGUuY29tPgoKPiAt LS0KPiAgZHJpdmVycy9pb21tdS9hcm0vYXJtLXNtbXUtdjMvYXJtLXNtbXUtdjMuYyB8IDggKysr KystLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkK Pgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2lvbW11L2FybS9hcm0tc21tdS12My9hcm0tc21tdS12 My5jIGIvZHJpdmVycy9pb21tdS9hcm0vYXJtLXNtbXUtdjMvYXJtLXNtbXUtdjMuYwo+IGluZGV4 IDEzY2RiOTU5ZWM4ZjU4Li4zZmM4Nzg3ZGIyZGJjMSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2lv bW11L2FybS9hcm0tc21tdS12My9hcm0tc21tdS12My5jCj4gKysrIGIvZHJpdmVycy9pb21tdS9h cm0vYXJtLXNtbXUtdjMvYXJtLXNtbXUtdjMuYwo+IEBAIC04Niw2ICs4Niw4IEBAIHN0YXRpYyBz dHJ1Y3QgYXJtX3NtbXVfb3B0aW9uX3Byb3AgYXJtX3NtbXVfb3B0aW9uc1tdID0gewo+ICAgICAg ICAgeyAwLCBOVUxMfSwKPiAgfTsKPgo+ICtzdGF0aWMgdm9pZCBhcm1fc21tdV9ybXJfaW5zdGFs bF9ieXBhc3Nfc3RlKHN0cnVjdCBhcm1fc21tdV9kZXZpY2UgKnNtbXUpOwo+ICsKPiAgc3RhdGlj IHZvaWQgcGFyc2VfZHJpdmVyX29wdGlvbnMoc3RydWN0IGFybV9zbW11X2RldmljZSAqc21tdSkK PiAgewo+ICAgICAgICAgaW50IGkgPSAwOwo+IEBAIC0zMjAwLDYgKzMyMDIsOSBAQCBzdGF0aWMg aW50IGFybV9zbW11X2luaXRfc3RydGFiX2xpbmVhcihzdHJ1Y3QgYXJtX3NtbXVfZGV2aWNlICpz bW11KQo+ICAgICAgICAgY2ZnLT5zdHJ0YWJfYmFzZV9jZmcgPSByZWc7Cj4KPiAgICAgICAgIGFy bV9zbW11X2luaXRfYnlwYXNzX3N0ZXMoc3RydGFiLCBjZmctPm51bV9sMV9lbnRzKTsKPiArCj4g KyAgICAgICAvKiBDaGVjayBmb3IgUk1ScyBhbmQgaW5zdGFsbCBieXBhc3MgU1RFcyBpZiBhbnkg Ki8KPiArICAgICAgIGFybV9zbW11X3Jtcl9pbnN0YWxsX2J5cGFzc19zdGUoc21tdSk7Cj4gICAg ICAgICByZXR1cm4gMDsKPiAgfQo+Cj4gQEAgLTQwMTMsOSArNDAxOCw2IEBAIHN0YXRpYyBpbnQg YXJtX3NtbXVfZGV2aWNlX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gICAg ICAgICAvKiBSZWNvcmQgb3VyIHByaXZhdGUgZGV2aWNlIHN0cnVjdHVyZSAqLwo+ICAgICAgICAg cGxhdGZvcm1fc2V0X2RydmRhdGEocGRldiwgc21tdSk7Cj4KPiAtICAgICAgIC8qIENoZWNrIGZv ciBSTVJzIGFuZCBpbnN0YWxsIGJ5cGFzcyBTVEVzIGlmIGFueSAqLwo+IC0gICAgICAgYXJtX3Nt bXVfcm1yX2luc3RhbGxfYnlwYXNzX3N0ZShzbW11KTsKPiAtCj4gICAgICAgICAvKiBSZXNldCB0 aGUgZGV2aWNlICovCj4gICAgICAgICByZXQgPSBhcm1fc21tdV9kZXZpY2VfcmVzZXQoc21tdSwg YnlwYXNzKTsKPiAgICAgICAgIGlmIChyZXQpCj4gLS0KPiAyLjQyLjAKPgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWls aW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=