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[34.140.232.180]) by smtp.gmail.com with ESMTPSA id j13-20020a05600c190d00b00418a386c17bsm45568804wmq.12.2024.04.29.07.47.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Apr 2024 07:47:30 -0700 (PDT) Date: Mon, 29 Apr 2024 14:47:26 +0000 From: Mostafa Saleh To: Jason Gunthorpe Cc: iommu@lists.linux.dev, Joerg Roedel , linux-arm-kernel@lists.infradead.org, Robin Murphy , Will Deacon , Eric Auger , Moritz Fischer , Moritz Fischer , Michael Shavit , Nicolin Chen , patches@lists.linux.dev, Shameerali Kolothum Thodi Subject: Re: [PATCH v7 5/9] iommu/arm-smmu-v3: Make arm_smmu_alloc_cd_ptr() Message-ID: References: <0-v7-cb149db3a320+3b5-smmuv3_newapi_p2_jgg@nvidia.com> <5-v7-cb149db3a320+3b5-smmuv3_newapi_p2_jgg@nvidia.com> <20240422142053.GD49823@nvidia.com> <20240429140137.GE941030@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240429140137.GE941030@nvidia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240429_074736_089925_C8434B93 X-CRM114-Status: GOOD ( 20.33 ) 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 T24gTW9uLCBBcHIgMjksIDIwMjQgYXQgMTE6MDE6MzdBTSAtMDMwMCwgSmFzb24gR3VudGhvcnBl IHdyb3RlOgo+IE9uIFNhdCwgQXByIDI3LCAyMDI0IGF0IDEwOjE5OjM3UE0gKzAwMDAsIE1vc3Rh ZmEgU2FsZWggd3JvdGU6Cj4gCj4gPiA+IEknbSBub3Qgc3VyZSB3aGF0IHlvdSBhcmUgYXNraW5n PyBXZSBoYXZlIHR3byB2ZXJzaW9ucy4gT25lIGlzIGNhbGxlZAo+ID4gPiBhbGxvYyBhbmQgb25l IGlzIGNhbGxlZCBnZXQuIFRoYXQgaGF2ZSBkaWZmZXJlbnQgbG9ja2luZyByZXF1aXJlbWVudHMK PiA+ID4gb24gdGhlIGNhbGxlciBzbyB0aGV5IGhhdmUgZGlmZmVyZW50IG5hbWVzLiBJIHdvdWxk IG5vdCBjYWxsIHRoZW0gYm90aAo+ID4gPiBnZXQ/Cj4gPiA+IAo+ID4gCj4gPiBNeSBwb2ludCBp cyB0aGF0IGFybV9zbW11X2FsbG9jX2NkX3B0cigpIGRvZXNu4oCZdCBvbmx5IGFsbG9jYXRlIHRo ZSBsZWFmLAo+ID4gYnV0IGFsc28gdGhlIEwxIHRocm91Z2ggYXJtX3NtbXVfYWxsb2NfY2RfdGFi bGVzKCkKPiAKPiBTdXJlLCBpdCBpcyBjYWxsZWQgYWxsb2MsIGl0IGFsbG9jcyBldmVyeXRoaW5n IHRvIG1ha2UgdGhlIENEIHRhYmxlCj4gZW50cnkgdXNhYmxlLgoKTWF5YmUgaWYgaXTigJlzIGNh bGxlZCBhbGxvY19sZWFmLCBpdCBvbmx5IGFsbG9jYXRlcyBsZWFmcyA6KQoKPiAKPiA+IElNTywg YXJtX3NtbXVfYWxsb2NfY2RfcHRyKCkgc2hvdWxkIG9ubHkgYWxsb2NhdGUgbGVhZnMuIEFuZCBp bnNpZGUKPiA+IGFybV9zbW11X2F0dGFjaF9kZXYoKSBpdCBjYWxscyBhcm1fc21tdV9hbGxvY19j ZF90YWJsZXMoKS4KPiA+IFRoaXMgbWFrZXMgaXQgY2xlYXIgd2hpY2ggcGF0aCBpcyBleHBlY3Rl ZCB0byBhbGxvY2F0ZSB0aGUgTDEgdGFibGUuCj4gCj4gVGhlIFBBU0lEIHBhdGggc29tZXRpbWVz IGhhcyB0byBhbGxvY2F0ZSB0aGUgTDEgdGFibGUgdG9vLCB3aHkKPiBkdXBsaWNhdGUgdGhlIGFs bG9jYXRpb24gY29kZT8KPiAKPiBXaGF0IGlzIGRpZmZlcmVudCBhYm91dCB0aGUgTDEgdnMgTDIg dGhhdCBpdCBzaG91bGQgYmUgb3BlbiBjb2RlZD8KPiAKCkkgZG9u4oCZdCB0aGluayBpdCBpcyBh IGJpZyBwcm9ibGVtLCBidXQgbXkgbWFpbiBjb25jZXJuIGlzIHJvYnVzdG5lc3MsCmZvciBleGFt cGxlIGEgc21hbGwgZXJyb25lb3VzIGNvZGUgY2hhbmdlIG1pZ2h0IHRyaWdnZXIgYWxsb2NhdGlv biBmb3IKTDEgdGFibGUgZnJvbSBhIHBhdGggdGhhdCBzaG91bGRu4oCZdCwgYW5kIHRoYXQgbWln aHQgZ28gdW5ub3RpY2VkIGFzCnRoaXMgZnVuY3Rpb24gd2lsbCBhbGxvdyBpdCwgbGVhZGluZyB0 byBtZW1vcnkgbGVha3MsIG9yIG90aGVyIGlzc3Vlcwp0aGF0IG1pZ2h0IGJlIGhhcmRlciB0byB0 cmlhZ2UgbGF0ZXIsIGluc3RlYWQgd2l0aCBsaW1pdGluZyB3aGljaCBwYXRoCmFsbG9jYXRlcyB3 aGljaCBsZXZlbCwgd291bGQgcmV0dXJuIGEgTlVMTCBpbiB0aGF0IGNhc2UgYW5kIGZhaWwKaW1t ZWRpYXRlbHkuCgpUaGFua3MsCk1vc3RhZmEKPiBKYXNvbgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QK bGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRl YWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=