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[84.226.111.173]) by smtp.gmail.com with ESMTPSA id br24sm683484ejb.55.2021.06.18.00.42.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Jun 2021 00:42:06 -0700 (PDT) Date: Fri, 18 Jun 2021 09:41:46 +0200 From: Jean-Philippe Brucker To: Eric Auger Subject: Re: [PATCH v4 2/6] ACPI: Move IOMMU setup code out of IORT Message-ID: References: <20210610075130.67517-1-jean-philippe@linaro.org> <20210610075130.67517-3-jean-philippe@linaro.org> <2c53c9cf-43e6-11c2-6ee3-530ad1f87aec@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2c53c9cf-43e6-11c2-6ee3-530ad1f87aec@redhat.com> Cc: lorenzo.pieralisi@arm.com, mst@redhat.com, catalin.marinas@arm.com, joro@8bytes.org, sudeep.holla@arm.com, rjw@rjwysocki.net, robin.murphy@arm.com, virtualization@lists.linux-foundation.org, linux-acpi@vger.kernel.org, iommu@lists.linux-foundation.org, sebastien.boeuf@intel.com, guohanjun@huawei.com, baolu.lu@linux.intel.com, will@kernel.org, dwmw2@infradead.org, linux-arm-kernel@lists.infradead.org, lenb@kernel.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" SGkgRXJpYywKCk9uIFdlZCwgSnVuIDE2LCAyMDIxIGF0IDExOjM1OjEzQU0gKzAyMDAsIEVyaWMg QXVnZXIgd3JvdGU6Cj4gPiAtY29uc3Qgc3RydWN0IGlvbW11X29wcyAqaW9ydF9pb21tdV9jb25m aWd1cmVfaWQoc3RydWN0IGRldmljZSAqZGV2LAo+ID4gLQkJCQkJCWNvbnN0IHUzMiAqaWRfaW4p Cj4gPiAraW50IGlvcnRfaW9tbXVfY29uZmlndXJlX2lkKHN0cnVjdCBkZXZpY2UgKmRldiwgY29u c3QgdTMyICppZF9pbikKPiA+ICB7Cj4gPiAgCXN0cnVjdCBhY3BpX2lvcnRfbm9kZSAqbm9kZTsK PiA+IC0JY29uc3Qgc3RydWN0IGlvbW11X29wcyAqb3BzOwo+ID4gKwljb25zdCBzdHJ1Y3QgaW9t bXVfb3BzICpvcHMgPSBOVUxMOwoKT29wcywgSSBuZWVkIHRvIHJlbW92ZSB0aGlzIChhbmQgYWRk IC1XZXJyb3IgdG8gbXkgdGVzdHMuKQoKCj4gPiArc3RhdGljIGNvbnN0IHN0cnVjdCBpb21tdV9v cHMgKmFjcGlfaW9tbXVfY29uZmlndXJlX2lkKHN0cnVjdCBkZXZpY2UgKmRldiwKPiA+ICsJCQkJ CQkgICAgICAgY29uc3QgdTMyICppZF9pbikKPiA+ICt7Cj4gPiArCWludCBlcnI7Cj4gPiArCWNv bnN0IHN0cnVjdCBpb21tdV9vcHMgKm9wczsKPiA+ICsKPiA+ICsJLyoKPiA+ICsJICogSWYgd2Ug YWxyZWFkeSB0cmFuc2xhdGVkIHRoZSBmd3NwZWMgdGhlcmUgaXMgbm90aGluZyBsZWZ0IHRvIGRv LAo+ID4gKwkgKiByZXR1cm4gdGhlIGlvbW11X29wcy4KPiA+ICsJICovCj4gPiArCW9wcyA9IGFj cGlfaW9tbXVfZndzcGVjX29wcyhkZXYpOwo+ID4gKwlpZiAob3BzKQo+ID4gKwkJcmV0dXJuIG9w czsKPiA+ICsKPiA+ICsJZXJyID0gaW9ydF9pb21tdV9jb25maWd1cmVfaWQoZGV2LCBpZF9pbik7 Cj4gPiArCj4gPiArCS8qCj4gPiArCSAqIElmIHdlIGhhdmUgcmVhc29uIHRvIGJlbGlldmUgdGhl IElPTU1VIGRyaXZlciBtaXNzZWQgdGhlIGluaXRpYWwKPiA+ICsJICogYWRkX2RldmljZSBjYWxs YmFjayBmb3IgZGV2LCByZXBsYXkgaXQgdG8gZ2V0IHRoaW5ncyBpbiBvcmRlci4KPiA+ICsJICov Cj4gPiArCWlmICghZXJyICYmIGRldi0+YnVzICYmICFkZXZpY2VfaW9tbXVfbWFwcGVkKGRldikp Cj4gPiArCQllcnIgPSBpb21tdV9wcm9iZV9kZXZpY2UoZGV2KTsKPiBQcmV2aW91c2x5IHdlIGhh ZDoKPiDCoMKgwqAgaWYgKCFlcnIpIHsKPiDCoMKgwqAgwqDCoMKgIG9wcyA9IGlvcnRfZndzcGVj X2lvbW11X29wcyhkZXYpOwo+IMKgwqDCoCDCoMKgwqAgZXJyID0gaW9ydF9hZGRfZGV2aWNlX3Jl cGxheShkZXYpOwo+IMKgwqDCoCB9Cj4gCj4gUGxlYXNlIGNhbiB5b3UgZXhwbGFpbiB0aGUgdHJh bnNmb3JtPyBJIHNlZSB0aGUKPiAKPiBhY3BpX2lvbW11X2Z3c3BlY19vcHMgY2FsbCBiZWxvdyBi dXQgaXMgaXQgbm90IHN0cmFpZ2h0Zm9yd2FyZCB0byBtZS4KCkkgZmlndXJlZCB0aGF0IGlvcnRf YWRkX2RldmljZV9yZXBsYXkoKSBpcyBvbmx5IHVzZWQgb25jZSBhbmQgaXMKc3VmZmljaWVudGx5 IHNpbXBsZSB0byBiZSBpbmxpbmVkIG1hbnVhbGx5IChzYXZpbmcgMTAgbGluZXMpLiBUaGVuIEkK cmVwbGFjZWQgdGhlIG9wcyBhc3NpZ25tZW50IHdpdGggcmV0dXJucywgd2hpY2ggc2F2ZXMgYW5v dGhlciBsaW5lIGFuZCBtYXkKYmUgc2xpZ2h0bHkgY2xlYXJlcj8gIEkgZ3Vlc3MgaXQncyBtb3N0 bHkgYSBtYXR0ZXIgb2YgdGFzdGUsIHRoZSBiZWhhdmlvcgpzaG91bGQgYmUgZXhhY3RseSB0aGUg c2FtZS4KCj4gQWxzbyB0aGUgY29tbWVudCBtZW50aW9ucyByZXBsYXkuIFVuc3VyZSBpZiBpdCBp cyBzdGlsbCBPSy4KClRoZSAicmVwbGF5IiBwYXJ0IGlzLCBidXQgImFkZF9kZXZpY2UiIGlzbid0 IGFjY3VyYXRlIGJlY2F1c2UgaXQgaGFzIHNpbmNlCmJlZW4gcmVwbGFjZWQgYnkgcHJvYmVfZGV2 aWNlLiBJJ2xsIHJlZnJlc2ggdGhlIGNvbW1lbnQuCgpUaGFua3MsCkplYW4KX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGlu ZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8v bGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u