From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: Re: [RFC] drm/i915: prevent out of range pt in the PDE macros (take 2) Date: Mon, 15 Jun 2015 11:33:37 +0100 Message-ID: <557EAA01.90907@intel.com> References: <1434144656-1557-1-git-send-email-przanoni@gmail.com> <20150613082812.GQ28462@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 989E16E72E for ; Mon, 15 Jun 2015 03:33:40 -0700 (PDT) In-Reply-To: <20150613082812.GQ28462@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Paulo Zanoni , intel-gfx@lists.freedesktop.org, Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org T24gMTMvMDYvMTUgMDk6MjgsIENocmlzIFdpbHNvbiB3cm90ZToKPiBPbiBGcmksIEp1biAxMiwg MjAxNSBhdCAwNjozMDo1NlBNIC0wMzAwLCBQYXVsbyBaYW5vbmkgd3JvdGU6Cj4+IEZyb206IFBh dWxvIFphbm9uaSA8cGF1bG8uci56YW5vbmlAaW50ZWwuY29tPgo+Pgo+PiBXZSB0cmllZCB0byBm aXggdGhpcyBpbiB0aGUgZm9sbG93aW5nIGNvbW1pdDoKPj4KPj4gY29tbWl0IGZkYzQ1NGMxNDg0 YTIwZTEzNDVjZjRlNGQ3YTlmZWFlZTgxNDE0N2YKPj4gQXV0aG9yOiBNaWNoZWwgVGhpZXJyeSA8 bWljaGVsLnRoaWVycnlAaW50ZWwuY29tPgo+PiBEYXRlOiAgIFR1ZSBNYXIgMjQgMTU6NDY6MTkg MjAxNSArMDAwMAo+PiAgICAgZHJtL2k5MTU6IFByZXZlbnQgb3V0IG9mIHJhbmdlIHB0IGluIGdl bjZfZm9yX2VhY2hfcGRlCj4+Cj4+IGJ1dCB0aGUgc3RhdGljIGFuYWx5emVyIHN0aWxsIGNvbXBs YWlucyB0aGF0LCBqdXN0IGJlZm9yZSB3ZSBicmVhayBkdWUKPj4gdG8gIml0ZXIgPCBJOTE1X1BE RVMiLCB3ZSBkbyAicHQgPSAocGQpLT5wYWdlX3RhYmxlW2l0ZXJdIiB3aXRoIGFuCj4+IGl0ZXIg dmFsdWUgdGhhdCBpcyBiaWdnZXIgdGhhbiBJOTE1X1BERVMuIE9mIGNvdXJzZSwgdGhpcyBpc24n dCByZWFsbHkKPj4gYSBwcm9ibGVtIHNpbmNlIG5vIG9uZSB1c2VzIHB0IG91dHNpZGUgdGhlIG1h Y3JvLiBTdGlsbCwgZXZlcnkgc2luZ2xlCj4+IG5ldyB1c2FnZSBvZiB0aGUgbWFjcm8gd2lsbCBj cmVhdGUgYSBuZXcgaXNzdWUgZm9yIHVzIHRvIG1hcmsgYXMgYQo+PiBmYWxzZSBwb3NzaXRpdmUu Cj4+Cj4+IEFmdGVyIHRoZSBjb21taXQgbWVudGlvbmVkIGFib3ZlIHdlIGFsc28gY3JlYXRlZCBz b21lIG5ldyB2ZXJzaW9ucyBvZgo+PiB0aGUgbWFjcm9zLCBzbyB0aGV5IGNhcnJ5IHRoZSBzYW1l ICJwcm9ibGVtIi4KPj4KPj4gSW4gb3JkZXIgdG8gInNvbHZlIiB0aGlzICJwcm9ibGVtIiwgbGV0 J3MgbGVhdmUgdGhlIG1hY3JvIHdpdGggYSBOVUxMCj4+IHZhbHVlIGZvciBwdC4gU28gaWYgc29t ZWJvZHkgdXNlcyBpdCwgd2UncmUgbW9yZSBsaWtlbHkgdG8gZ2V0IGEgYmlnCj4+IGVycm9yIG1l c3NhZ2UgaW5zdGVhZCBvZiBzb21lIHNpbGVudCBmYWlsdXJlLiBJIGhvcGUgdGhlIHN0YXRpYwo+ PiBhbmFseXplciB3b24ndCBjb21wbGFpbiBhYm91dCB0aGUgbmV3IHNvbHV0aW9uIChJIGRvbid0 IGhhdmUgYSB3YXkgdG8KPj4gY2hlY2sgdGhpcyEpLgo+Pgo+PiBJIGtub3csIHRoZSBzb2x1dGlv biBsb29rcyByZWFsbHkgdWdseS4gSSBhbSBob3BpbmcgdGhlIHJldmlld2VycyB3aWxsCj4+IGhl bHAgdXMgZGVjaWRlIGlmIHdlIHByZWZlciB0aGlzIHBhdGNoIG9yIGlmIHdlIHByZWZlciB0byBr ZWVwIG1hcmtpbmcKPj4gdGhpbmdzIGFzIGZhbHNlIHBvc2l0aXZlcy4KPj4KPj4gQ2M6IE1pY2hl bCBUaGllcnJ5IDxtaWNoZWwudGhpZXJyeUBpbnRlbC5jb20+Cj4+IFNpZ25lZC1vZmYtYnk6IFBh dWxvIFphbm9uaSA8cGF1bG8uci56YW5vbmlAaW50ZWwuY29tPgo+PiAtLS0KPj4gIGRyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5oIHwgMTMgKysrKysrKysrLS0tLQo+PiAgMSBmaWxl IGNoYW5nZWQsIDkgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPj4KPj4gSSBzZW50IHRo aXMgYXMgYW4gUkZDIGJlY2F1c2UgSSByZWFsbHkgZG9uJ3Qga25vdyBpZiBjb21wbGljYXRpbmcg dGhlCj4+IG1hY3JvIGV2ZW4gbW9yZSB3aWxsIGhlbHAgdXMgaW4gYW55IHdheS4gSSB3b24ndCBy ZWFsbHkgYmUgc3VycHJpc2VkCj4+IGlmIEkgc2VlIE5BQ0tzIG9uIHRoaXMgcGF0Y2gsIHNvIGRv bid0IGhlc2l0YXRlIGlmIHlvdSB3YW50IHRvLgo+Pgo+PiBBbHNvLCBhbGwgSSBkaWQgd2FzIGJv b3QgYSBLZXJuZWwgd2l0aCB0aGlzIHBhdGNoIGFuZCBtYWtlIHN1cmUgaXQKPj4gc2hvd3MgdGhl IGRlc2t0b3AuIFNvIGNvbnNpZGVyIHRoaXMgYXMgdW50ZXN0ZWQsIHBvc3NpYmx5IGJyb2tlbi4K Pj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5oIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmgKPj4gaW5kZXggMGQ0NmRkMi4uYjIw MmNhMCAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmgK Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmgKPj4gQEAgLTM1Miw3 ICszNTIsOCBAQCBzdHJ1Y3QgaTkxNV9od19wcGd0dCB7Cj4+ICAgKi8KPiAKPiBPdmVyYWxsb2Nh dGUgcGFnZV90YWJsZSBldGMgYnkgb25lIGFuZCBwdXQgYSBOVUxMIHNlbnRpbmVsIGluIGl0Lgo+ IAo+IGZvciAoKGl0ZXIpID0gZ2VuNl9wZGVfaW5kZXgoc3RhcnQpOyBcCj4gICAgICAobGVuZ3Ro KSA+IDAgJiYgKHB0ID0gKHBkKS0+cGFnZV90YWJsZVtpdGVyXSk7IFwKPiAgICAgIChpdGVyKSsr LCBcCj4gICAgICB0ZW1wID0gQUxJR04oc3RhcnQrMSwgMSA8PCBHRU42X1BERV9TSElGVCkgLSBz dGFydCwgXAo+ICAgICAgdGVtcCA9IG1pbl90KHVuc2lnbmVkLCB0ZW1wLCBsZW5ndGgpLCBcCj4g Cj4gLUNocmlzCgpUaGlzIG1pZ2h0IHRyaWdnZXIgZGlmZmVyZW50IHdhcm5pbmdzIGZyb20gc29t ZSBzdGF0aWMgYW5hbHlzZXJzLCBhcwoncHQnIGRvZXNuJ3QgZ2V0IGFzc2lnbmVkIGF0IGFsbCBp ZiBsZW5ndGggPT0gMC4KCi5EYXZlLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9pbnRlbC1nZngK