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Tue, 14 Jul 2020 00:21:38 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20200714002138epsmtrp14bdc94481119d14744d2b8ed49b61304~hdo7CT-tm2665626656epsmtrp1K; Tue, 14 Jul 2020 00:21:38 +0000 (GMT) X-AuditID: b6c32a37-f5587a80000071f5-b9-5f0cfa949ccc Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id FE.DE.08382.29AFC0F5; Tue, 14 Jul 2020 09:21:38 +0900 (KST) Received: from [10.113.221.211] (unknown [10.113.221.211]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20200714002138epsmtip2e41830c74e5ea8f42d8189e90b25c568~hdo6zjyON2223922239epsmtip2r; Tue, 14 Jul 2020 00:21:38 +0000 (GMT) Subject: Re: [PATCH v7 08/36] drm: exynos: fix common struct sg_table related issues To: Marek Szyprowski , dri-devel@lists.freedesktop.org, iommu@lists.linux-foundation.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org From: Inki Dae Message-ID: Date: Tue, 14 Jul 2020 09:27:34 +0900 User-Agent: Mozilla/5.0 (X11; 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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" CgoyMC4gNi4gMTkuIOyYpO2bhCA3OjM27JeQIE1hcmVrIFN6eXByb3dza2kg7J20KOqwgCkg7JO0 IOq4gDoKPiBUaGUgRG9jdW1lbnRhdGlvbi9ETUEtQVBJLUhPV1RPLnR4dCBzdGF0ZXMgdGhhdCB0 aGUgZG1hX21hcF9zZygpIGZ1bmN0aW9uCj4gcmV0dXJucyB0aGUgbnVtYmVyIG9mIHRoZSBjcmVh dGVkIGVudHJpZXMgaW4gdGhlIERNQSBhZGRyZXNzIHNwYWNlLgo+IEhvd2V2ZXIgdGhlIHN1YnNl cXVlbnQgY2FsbHMgdG8gdGhlIGRtYV9zeW5jX3NnX2Zvcl97ZGV2aWNlLGNwdX0oKSBhbmQKPiBk bWFfdW5tYXBfc2cgbXVzdCBiZSBjYWxsZWQgd2l0aCB0aGUgb3JpZ2luYWwgbnVtYmVyIG9mIHRo ZSBlbnRyaWVzCj4gcGFzc2VkIHRvIHRoZSBkbWFfbWFwX3NnKCkuCj4gCj4gc3RydWN0IHNnX3Rh YmxlIGlzIGEgY29tbW9uIHN0cnVjdHVyZSB1c2VkIGZvciBkZXNjcmliaW5nIGEgbm9uLWNvbnRp Z3VvdXMKPiBtZW1vcnkgYnVmZmVyLCB1c2VkIGNvbW1vbmx5IGluIHRoZSBEUk0gYW5kIGdyYXBo aWNzIHN1YnN5c3RlbXMuIEl0Cj4gY29uc2lzdHMgb2YgYSBzY2F0dGVybGlzdCB3aXRoIG1lbW9y eSBwYWdlcyBhbmQgRE1BIGFkZHJlc3NlcyAoc2dsIGVudHJ5KSwKPiBhcyB3ZWxsIGFzIHRoZSBu dW1iZXIgb2Ygc2NhdHRlcmxpc3QgZW50cmllczogQ1BVIHBhZ2VzIChvcmlnX25lbnRzIGVudHJ5 KQo+IGFuZCBETUEgbWFwcGVkIHBhZ2VzIChuZW50cyBlbnRyeSkuCj4gCj4gSXQgdHVybmVkIG91 dCB0aGF0IGl0IHdhcyBhIGNvbW1vbiBtaXN0YWtlIHRvIG1pc3VzZSBuZW50cyBhbmQgb3JpZ19u ZW50cwo+IGVudHJpZXMsIGNhbGxpbmcgRE1BLW1hcHBpbmcgZnVuY3Rpb25zIHdpdGggYSB3cm9u ZyBudW1iZXIgb2YgZW50cmllcyBvcgo+IGlnbm9yaW5nIHRoZSBudW1iZXIgb2YgbWFwcGVkIGVu dHJpZXMgcmV0dXJuZWQgYnkgdGhlIGRtYV9tYXBfc2coKQo+IGZ1bmN0aW9uLgo+IAo+IFRvIGF2 b2lkIHN1Y2ggaXNzdWVzLCBsZXRzIHVzZSBhIGNvbW1vbiBkbWEtbWFwcGluZyB3cmFwcGVycyBv cGVyYXRpbmcKPiBkaXJlY3RseSBvbiB0aGUgc3RydWN0IHNnX3RhYmxlIG9iamVjdHMgYW5kIHVz ZSBzY2F0dGVybGlzdCBwYWdlCj4gaXRlcmF0b3JzIHdoZXJlIHBvc3NpYmxlLiBUaGlzLCBhbG1v c3QgYWx3YXlzLCBoaWRlcyByZWZlcmVuY2VzIHRvIHRoZQo+IG5lbnRzIGFuZCBvcmlnX25lbnRz IGVudHJpZXMsIG1ha2luZyB0aGUgY29kZSByb2J1c3QsIGVhc2llciB0byBmb2xsb3cKPiBhbmQg Y29weS9wYXN0ZSBzYWZlLgo+IAo+IFNpZ25lZC1vZmYtYnk6IE1hcmVrIFN6eXByb3dza2kgPG0u c3p5cHJvd3NraUBzYW1zdW5nLmNvbT4KCkFja2VkLWJ5IDogSW5raSBEYWUgPGlua2kuZGFlQHNh bXN1bmcuY29tPgoKVGhhbmtzLApJbmtpIERhZQoKPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2V4 eW5vcy9leHlub3NfZHJtX2cyZC5jIHwgMTAgKysrKystLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwg NSBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vZXh5bm9zL2V4eW5vc19kcm1fZzJkLmMgYi9kcml2ZXJzL2dwdS9kcm0vZXh5bm9z L2V4eW5vc19kcm1fZzJkLmMKPiBpbmRleCBmY2VlMzNhNDNhY2EuLjcwMTRhOGNkOTcxYSAxMDA2 NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZXh5bm9zL2V4eW5vc19kcm1fZzJkLmMKPiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vZXh5bm9zL2V4eW5vc19kcm1fZzJkLmMKPiBAQCAtMzk1LDggKzM5 NSw4IEBAIHN0YXRpYyB2b2lkIGcyZF91c2VycHRyX3B1dF9kbWFfYWRkcihzdHJ1Y3QgZzJkX2Rh dGEgKmcyZCwKPiAgCQlyZXR1cm47Cj4gIAo+ICBvdXQ6Cj4gLQlkbWFfdW5tYXBfc2codG9fZG1h X2RldihnMmQtPmRybV9kZXYpLCBnMmRfdXNlcnB0ci0+c2d0LT5zZ2wsCj4gLQkJCWcyZF91c2Vy cHRyLT5zZ3QtPm5lbnRzLCBETUFfQklESVJFQ1RJT05BTCk7Cj4gKwlkbWFfdW5tYXBfc2d0YWJs ZSh0b19kbWFfZGV2KGcyZC0+ZHJtX2RldiksIGcyZF91c2VycHRyLT5zZ3QsCj4gKwkJCSAgRE1B X0JJRElSRUNUSU9OQUwsIDApOwo+ICAKPiAgCXBhZ2VzID0gZnJhbWVfdmVjdG9yX3BhZ2VzKGcy ZF91c2VycHRyLT52ZWMpOwo+ICAJaWYgKCFJU19FUlIocGFnZXMpKSB7Cj4gQEAgLTUxMSwxMCAr NTExLDEwIEBAIHN0YXRpYyBkbWFfYWRkcl90ICpnMmRfdXNlcnB0cl9nZXRfZG1hX2FkZHIoc3Ry dWN0IGcyZF9kYXRhICpnMmQsCj4gIAo+ICAJZzJkX3VzZXJwdHItPnNndCA9IHNndDsKPiAgCj4g LQlpZiAoIWRtYV9tYXBfc2codG9fZG1hX2RldihnMmQtPmRybV9kZXYpLCBzZ3QtPnNnbCwgc2d0 LT5uZW50cywKPiAtCQkJCURNQV9CSURJUkVDVElPTkFMKSkgewo+ICsJcmV0ID0gZG1hX21hcF9z Z3RhYmxlKHRvX2RtYV9kZXYoZzJkLT5kcm1fZGV2KSwgc2d0LAo+ICsJCQkgICAgICBETUFfQklE SVJFQ1RJT05BTCwgMCk7Cj4gKwlpZiAocmV0KSB7Cj4gIAkJRFJNX0RFVl9FUlJPUihnMmQtPmRl diwgImZhaWxlZCB0byBtYXAgc2d0IHdpdGggZG1hIHJlZ2lvbi5cbiIpOwo+IC0JCXJldCA9IC1F Tk9NRU07Cj4gIAkJZ290byBlcnJfc2dfZnJlZV90YWJsZTsKPiAgCX0KPiAgCj4gCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlz dAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91 bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==