From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH 3/5] drm/i915: Prevent writing into a read-only object via a GGTT mmap Date: Fri, 01 Jun 2018 13:17:48 +0300 Message-ID: <1527848268.2822.7.camel@linux.intel.com> References: <20180531113552.13152-1-chris@chris-wilson.co.uk> <20180531113552.13152-3-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8BCF56E5FB for ; Fri, 1 Jun 2018 10:17:52 +0000 (UTC) In-Reply-To: <20180531113552.13152-3-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMDE4LTA1LTMxIGF0IDEyOjM1ICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4g SWYgdGhlIHVzZXIgaGFzIGNyZWF0ZWQgYSByZWFkLW9ubHkgb2JqZWN0LCB0aGV5IHNob3VsZCBu b3QgYmUgYWxsb3dlZAo+IHRvIGNpcmN1bXZlbnQgdGhlIHdyaXRlIHByb3RlY3Rpb24gYnkgdXNp bmcgYSBHR1RUIG1tYXBwaW5nLiBEZW55IGl0Lgo+IAo+IEFsc28gbW9zdCBtYWNoaW5lcyBkbyBu b3Qgc3VwcG9ydCByZWFkLW9ubHkgR0dUVCBQVEVzLCBzbyBhZ2FpbiB3ZSBoYXZlCj4gdG8gcmVq ZWN0IGF0dGVtcHRlZCB3cml0ZXMuIEZvcnR1bmF0ZWx5LCB0aGlzIGlzIGtub3duIGEgcHJpb3Jp LCBzbyB3ZQo+IGNhbiBhdCBsZWFzdCByZWplY3QgaW4gdGhlIGNhbGwgdG8gY3JlYXRlIHRoZSBt bWFwIHdpdGggYmFja3VwIGluIHRoZQo+IGZhdWx0IGhhbmRsZXIuIFRoaXMgaXMgYSBsaXR0bGUg ZHJhY29uaWFuIGFzIHdlIGNvdWxkIGJsYXRhbnRseSBpZ25vcmUKPiB0aGUgd3JpdGUgcHJvdGVj dGlvbiBvbiB0aGUgcGFnZXMsIGJ1dCBpdCBpcyBmYXIgc2ltcGx5IHRvIGtlZXAgdGhlCj4gcmVh ZG9ubHkgb2JqZWN0IHB1cmUuIChJdCBpcyBlYXNpZXIgdG8gbGlmdCBhIHJlc3RyaWN0aW9uIHRo YW4gdG8gaW1wb3NlCj4gaXQgbGF0ZXIhKQo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNv biA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBKb24gQmxvb21maWVsZCA8am9uLmJs b29tZmllbGRAaW50ZWwuY29tPgo+IENjOiBKb29uYXMgTGFodGluZW4gPGpvb25hcy5sYWh0aW5l bkBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IE1hdHRoZXcgQXVsZCA8bWF0dGhldy53aWxsaWFtLmF1 bGRAZ21haWwuY29tPgoKQXMgZGlzY3Vzc2VkIGluIElSQywgdGhpcyBpcyBubyBjaGFuZ2UgdG8g cHJldmlvdXMgdUFQSSBhcyByZWFkLW9ubHkKb2JqZWN0cyBoYXZlIG5vdCBiZWVuIGF2YWlsYWJs ZSBwcmV2aW91c2x5LgoKQW5kIGV2ZW4gYWZ0ZXJ3YXJkcywgb25seSBHVFRfTU1BUCBvbiBSTyB1 c2VycHRyIHdpbGwgYmUgcmVqZWN0ZWQgZm9yCnBsYXRmb3JtcyB0aGF0IGRvbid0IGhhdmUgUk8g cGFnZXMsIHNvIHRoYXQncyBwYXJ0IG9mIHRoZSBuZXdseQppbXBsZW1lbnRlZCBSTyB1c2VycHRy LgoKUmV2aWV3ZWQtYnk6IEpvb25hcyBMYWh0aW5lbiA8am9vbmFzLmxhaHRpbmVuQGxpbnV4Lmlu dGVsLmNvbT4KClJlZ2FyZHMsIEpvb25hcwotLSAKSm9vbmFzIExhaHRpbmVuCk9wZW4gU291cmNl IFRlY2hub2xvZ3kgQ2VudGVyCkludGVsIENvcnBvcmF0aW9uCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=