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[34.140.232.180]) by smtp.gmail.com with ESMTPSA id y17-20020adff151000000b0033e43756d11sm10353238wro.85.2024.03.25.14.02.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Mar 2024 14:02:49 -0700 (PDT) Date: Mon, 25 Mar 2024 21:02:45 +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 , Jean-Philippe Brucker , Moritz Fischer , Michael Shavit , Nicolin Chen , patches@lists.linux.dev, Shameerali Kolothum Thodi Subject: Re: [PATCH v5 06/27] iommu/arm-smmu-v3: Consolidate clearing a CD table entry Message-ID: References: <0-v5-9a37e0c884ce+31e3-smmuv3_newapi_p2_jgg@nvidia.com> <6-v5-9a37e0c884ce+31e3-smmuv3_newapi_p2_jgg@nvidia.com> <20240325141433.GB110546@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240325141433.GB110546@nvidia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240325_140252_759529_9B908BA8 X-CRM114-Status: GOOD ( 22.91 ) 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 T24gTW9uLCBNYXIgMjUsIDIwMjQgYXQgMTE6MTQ6MzNBTSAtMDMwMCwgSmFzb24gR3VudGhvcnBl IHdyb3RlOgo+IE9uIEZyaSwgTWFyIDIyLCAyMDI0IGF0IDA2OjM2OjE3UE0gKzAwMDAsIE1vc3Rh ZmEgU2FsZWggd3JvdGU6Cj4gPiA+ICt2b2lkIGFybV9zbW11X2NsZWFyX2NkKHN0cnVjdCBhcm1f c21tdV9tYXN0ZXIgKm1hc3RlciwgaW9hc2lkX3Qgc3NpZCkKPiA+ID4gK3sKPiA+ID4gKwlzdHJ1 Y3QgYXJtX3NtbXVfY2QgdGFyZ2V0ID0ge307Cj4gPiA+ICsJc3RydWN0IGFybV9zbW11X2NkICpj ZHB0cjsKPiA+ID4gKwo+ID4gPiArCWlmICghbWFzdGVyLT5jZF90YWJsZS5jZHRhYikKPiA+ID4g KwkJcmV0dXJuOwo+ID4gPiArCWNkcHRyID0gYXJtX3NtbXVfZ2V0X2NkX3B0cihtYXN0ZXIsIHNz aWQpOwo+ID4gPiArCWlmIChXQVJOX09OKCFjZHB0cikpCj4gPiA+ICsJCXJldHVybjsKPiA+IAo+ ID4gSSBkb27igJl0IHVuZGVyc3RhbmQgdGhlIFNWQSBjb2RlIGVub3VnaCwgYnV0IEFGQUlDVCwg YXJtX3NtbXVfc3ZhX3NldF9kZXZfcGFzaWQKPiA+IGNhbiBhbGxvY2F0ZSB0aGUgTDIgQ0QgdGFi bGUgdGhyb3VnaCBhcm1fc21tdV93cml0ZV9jdHhfZGVzYy4gCj4gCj4gWWVzCj4gCj4gPiBBbmQg aWYgaXQgZmFpbGVkCj4gPiBiZWZvcmUgYWxsb2NhdGluZyB0aGUgQ0QgdGFibGUsIHRoZW4gcmVt b3ZlX2Rldl9wYXNpZCB3b3VsZCBiZQo+ID4gY2FsbGVkLCAKPiAKPiBJZiBpdCBmYWlscyB0aGUg Y29yZSBjb2RlIHNob3VsZCBub3QgY2FsbCByZW1vdmVfZGV2X3Bhc2lkKCkgb24gYQo+IGRvbWFp biB0aGF0IHdhcyBuZXZlciBhdHRhY2hlZC4gVGhlcmUgaXMgYW4gb2JzY3VyZSBlcnJvciB1bndp bmRpbmcKPiBpc3N1ZSBpbiB0aGUgY29yZSBjb2RlIFlpIGlzIGxvb2tpbmcgdG8gZml4IHJlZ2Fy ZGluZyBtdWx0aS1kZXZpY2UKPiBQQVNJRCBncm91cHMsIGJ1dCBpdCBpcyBub3QgYSBkcml2ZXIg aXNzdWUuLgo+IAoKSSBzZWUsIHRoYW5rcyBmb3IgY2xhcmlmeWluZy4KCj4gPiB3aGljaCB3YXJu cyBoZXJlLCB0aGUgcHJldmlvdXMgY29kZSB3b3VsZCB0b2xlcmF0ZSB0aGF0LCBidXQgdGhhdAo+ ID4gbWlnaHQgcmVncmVzcyBvbiBzeXN0ZW1zIHdpdGggcGFuaWNfb25fd2Fybiwgc28gSSBhbSBu b3Qgc3VyZSBpZgo+ID4gdGhhdCBpcyBuZWNlc3NhcnkuCj4gCj4gUmlnaHQsIGlmIGl0IGRvZXMg aGl0IGl0IHNpZ25hbHMgdGhlcmUgaXMgc29tZSBlcnJvciB1bndpbmRpbmcgYnVnIGluCj4gdGhl IGNvcmUgY29kZSB0aGF0IHNob3VsZCBiZSByZXNvbHZlZC4KPiAKPiA+IE90aGVyd2lzZSwgUmV2 aWV3ZWQtYnk6IE1vc3RhZmEgU2FsZWggPHNtb3N0YWZhQGdvb2dsZS5jb20+Cj4gCj4gVGhhbmtz LAo+IEphc29uCgpUaGFua3MsCk1vc3RhZmEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFy bS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK