From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Jerry (Junwei)" Subject: Re: [PATCH v3] drm/amdgpu: Verify root PD is mapped into kernel address space. Date: Mon, 9 Jul 2018 11:18:26 +0800 Message-ID: <5B42D402.4070904@amd.com> References: <1530907956-9150-1-git-send-email-andrey.grodzovsky@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: christian.koenig-5C7GfCeVMHo@public.gmane.org, Andrey Grodzovsky , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: zhoucm1-5C7GfCeVMHo@public.gmane.org T24gMDcvMDcvMjAxOCAwNToyMSBQTSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBBbSAwNi4w Ny4yMDE4IHVtIDIyOjEyIHNjaHJpZWIgQW5kcmV5IEdyb2R6b3Zza3k6Cj4+IFByb2JsZW06IFdo ZW4gUEQvUFQgdXBkYXRlIG1hZGUgYnkgQ1BVIHJvb3QgUEQgd2FzIG5vdCB5ZXQgbWFwcGVkIGNh dXNpbmcKPj4gcGFnZSBmYXVsdC4KPj4KPj4gRml4OiBWZXJpZnkgcm9vdCBQRCBpcyBtYXBwZWQg aW50byBDUFUgYWRkcmVzcyBzcGFjZS4KPj4KPj4gdjI6Cj4+IE1ha2Ugc3VyZSB0aGF0IHdlIGFk ZCB0aGUgcm9vdCBQRCB0byB0aGUgcmVsb2NhdGVkIGxpc3QKPj4gc2luY2UgdGhlbiBpdCdzIGdl dCBtYXBwZWQgaW50byBDUFUgYWRkcmVzcyBzcGFjZSBidCBkZWZhdWx0Cj4+IGluIGFtZGdwdV92 bV91cGRhdGVfZGlyZWN0b3JpZXMuCj4+Cj4+IHYzOgo+PiBEcm9wIGNoYW5nZSB0byBub3QgbW92 ZSBrZXJuZWwgdHlwZSBCT3MgdG8gZXZpY3RlZCBsaXN0Lgo+Pgo+PiBMaW5rOiBodHRwczovL2J1 Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDcwNjUKPj4gU2lnbmVkLW9mZi1i eTogQW5kcmV5IEdyb2R6b3Zza3kgPGFuZHJleS5ncm9kem92c2t5QGFtZC5jb20+Cj4+Cj4+IFNp Z25lZC1vZmYtYnk6IEFuZHJleSBHcm9kem92c2t5IDxhbmRyZXkuZ3JvZHpvdnNreUBhbWQuY29t Pgo+Cj4gRG91YmxlIFNpZ25lZC1vZmYtYnkgbGluZSwgYnV0IGFwYXJ0IG9mIHRoYXQgUmV2aWV3 ZWQtYnk6IENocmlzdGlhbiBLw7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4uCgpTYW1l IGNvbW1lbnQgYXMgQ2hyaXN0aWFuJ3MKCk5vdyB0aGF0J3MgcmVhbGx5IG11Y2ggbW9yZSBjbGVh bmVyOikKCldlbGwsIHdlIG1heSBhbHNvIHJlbW92ZSB0aGUgcmVkdW5kYW50IGNvZGUgaW4gYW1k Z3B1X3ZtX2FsbG9jX2xldmVscygpIG1lYW53aGlsZS4Ke3t7CiAgIGFtZGdwdV92bV9ib19iYXNl X2luaXQoJmVudHJ5LT5iYXNlLCB2bSwgcHQpOwotIGxpc3RfbW92ZSgmZW50cnktPmJhc2Uudm1f c3RhdHVzLCAmdm0tPnJlbG9jYXRlZCk7Cn19fQoKQXBhcnQgZnJvbSB0aGF0LCBpdCdzClJldmll d2VkLWJ5OiBKdW53ZWkgWmhhbmcgPEplcnJ5LlpoYW5nQGFtZC5jb20+CgpKZXJyeQoKPgo+IFJl Z2FyZHMsCj4gQ2hyaXN0aWFuLgo+Cj4+IC0tLQo+PiAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1k Z3B1L2FtZGdwdV92bS5jIHwgMyArKysKPj4gICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25z KCspCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVf dm0uYyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jCj4+IGluZGV4IGQx OGYyNDcuLjMxNmE1MDEgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2FtZGdwdV92bS5jCj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92 bS5jCj4+IEBAIC0xNTYsNiArMTU2LDkgQEAgc3RhdGljIHZvaWQgYW1kZ3B1X3ZtX2JvX2Jhc2Vf aW5pdChzdHJ1Y3QgYW1kZ3B1X3ZtX2JvX2Jhc2UgKmJhc2UsCj4+ICAgICAgICAgICByZXR1cm47 Cj4+ICAgICAgIGxpc3RfYWRkX3RhaWwoJmJhc2UtPmJvX2xpc3QsICZiby0+dmEpOwo+PiArICAg IGlmIChiby0+dGJvLnR5cGUgPT0gdHRtX2JvX3R5cGVfa2VybmVsKQo+PiArICAgICAgICBsaXN0 X21vdmUoJmJhc2UtPnZtX3N0YXR1cywgJnZtLT5yZWxvY2F0ZWQpOwo+PiArCj4+ICAgICAgIGlm IChiby0+dGJvLnJlc3YgIT0gdm0tPnJvb3QuYmFzZS5iby0+dGJvLnJlc3YpCj4+ICAgICAgICAg ICByZXR1cm47Cj4KPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwo+IGFtZC1nZnggbWFpbGluZyBsaXN0Cj4gYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1n ZngKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdm eCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==