From mboxrd@z Thu Jan 1 00:00:00 1970 From: Guenter Roeck Subject: Re: [CI, v3, 1/2] drm/i915: Prevent a race during I915_GEM_MMAP ioctl with WC set Date: Thu, 28 Feb 2019 16:15:02 -0800 Message-ID: <20190301001502.GA21961@roeck-us.net> References: <20190207085454.10598-1-joonas.lahtinen@linux.intel.com> <20190228191249.GA10430@roeck-us.net> <20190228213241.GA15462@roeck-us.net> <20190228215703.GA16857@roeck-us.net> <155139130531.5847.10912664209750394419@skylake-alporthouse-com> <20190228221151.GA17424@roeck-us.net> <155139230746.5847.12709934432272887200@skylake-alporthouse-com> <20190228222735.GA18025@roeck-us.net> <155139326079.5847.8668846831954153298@skylake-alporthouse-com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by gabe.freedesktop.org (Postfix) with ESMTPS id 57DFA6E235 for ; Fri, 1 Mar 2019 00:15:05 +0000 (UTC) Received: by mail-pf1-x434.google.com with SMTP id n125so10523750pfn.5 for ; Thu, 28 Feb 2019 16:15:05 -0800 (PST) Content-Disposition: inline In-Reply-To: <155139326079.5847.8668846831954153298@skylake-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 Cc: Intel graphics driver community testing & development List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBGZWIgMjgsIDIwMTkgYXQgMTA6MzQ6MjBQTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFF1b3RpbmcgR3VlbnRlciBSb2VjayAoMjAxOS0wMi0yOCAyMjoyNzozNSkKPiA+IE9u IFRodSwgRmViIDI4LCAyMDE5IGF0IDEwOjE4OjMyUE0gKzAwMDAsIENocmlzIFdpbHNvbiB3cm90 ZToKPiA+ID4gCj4gPiA+IElmIHlvdSBoYXZlIHVzZXJzcGFjZSB0aGF0IGlzIGJyb2tlbiwgd2Ug bmVlZCB0byBmaXggaXQuIFdlIGNhbiBnZXQgYXdheQo+ID4gPiB3aXRoIHF1aWV0bHkgY2hhbmdp bmcgQUJJIG9ubHkgc28gbG9uZyBhcyBub2JvZHkgbm90aWNlcy4gSXQgc291bmRzIGxpa2UKPiA+ ID4geW91IGhhdmUgc29tZSB1c2Vyc3BhY2UgdGhhdCB3aWxsIGJyZWFrIGlmIHlvdSB1cGRhdGVk IHRoZSBrZXJuZWw7IGVyZ28KPiA+ID4gd2UgaGF2ZSBhIHByb2JsZW0uCj4gPiA+IAo+ID4gPiBX ZSBqdXN0IG5lZWQgdGhhdCBhcyBhIGNsZWFyIHN0YXRlbWVudCBzbyB0aGF0IHdlIGhhdmUgdGhl IHVzZXIgaW1wYWN0Cj4gPiA+IHJlY29yZGVkLgo+ID4gCj4gPiBZZXMsIGl0IGRvZXMgYnJlYWsg b3VyIHVzZXJzcGFjZSBjb2RlLiBJIGZpeGVkIHRoZSBwcm9ibGVtIGluIG91ciBrZXJuZWxzCj4g PiB3aXRoIHRoZSBmb2xsb3dpbmcgcGF0Y2g6Cj4gPiAKPiBBbmQgd2hhdCB1c2Vyc3BhY2UgaXMg dGhhdD8gRGV0YWlscyBmb3IgdGhlIGxvZywgcGxlYXNlLgoKSW50ZXJuYWwgYWdyZWVtZW50IGlz IHRoYXQgd2UnbGwgZml4IG91ciB1c2Vyc3BhY2UgY29kZS4KCkd1ZW50ZXIKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4