From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [Intel-gfx] [PATCH] drm: Make drm_read() more robust against multithreaded races Date: Mon, 5 Jan 2015 11:18:12 +0100 Message-ID: <20150105101812.GT2711@phenom.ffwll.local> References: <1417727005-26301-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f41.google.com (mail-wg0-f41.google.com [74.125.82.41]) by gabe.freedesktop.org (Postfix) with ESMTP id 4CA0D6E061 for ; Mon, 5 Jan 2015 02:18:16 -0800 (PST) Received: by mail-wg0-f41.google.com with SMTP id l18so1944124wgh.28 for ; Mon, 05 Jan 2015 02:18:15 -0800 (PST) Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Takashi Iwai Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCBEZWMgMDUsIDIwMTQgYXQgMDk6NDI6MzVBTSArMDEwMCwgVGFrYXNoaSBJd2FpIHdy b3RlOgo+IEF0IFRodSwgIDQgRGVjIDIwMTQgMjE6MDM6MjUgKzAwMDAsCj4gQ2hyaXMgV2lsc29u IHdyb3RlOgo+ID4gCj4gPiBUaGUgY3VycmVudCBpbXBsZW1lbnRhdGlvbiBvZiBkcm1fcmVhZCgp IGZhY2VzIGEgbnVtYmVyIG9mIGlzc3VlczoKPiA+IAo+ID4gMS4gVXBvbiBhbiBlcnJvciwgaXQg Y29uc3VtZXMgdGhlIGV2ZW50IHdoaWNoIG1heSBsZWFkIHRvIHRoZSBjbGllbnQKPiA+IGJsb2Nr aW5nLgo+ID4gMi4gVXBvbiBhbiBlcnJvciwgaXQgZm9yZ2V0cyBhYm91dCBldmVudHMgYWxyZWFk eSBjb3BpZWQKPiA+IDMuIElmIGl0IGZhaWxzIHRvIGNvcHkgYSBzaW5nbGUgZXZlbnQgd2l0aCBP X05PTkJMT0NLIGl0IGZhbGxzIGludG8gYQo+ID4gaW5maW5pdGUgbG9vcCBvZiByZXBvcnRpbmcg RUFHQUlOLgo+ID4gMy4gVGhlcmUgaXMgYSByYWNlIGJldHdlZW4gbXVsdGlwbGUgd2FpdGVycyBh bmQgYmxvY2tpbmcgcmVhZHMgb2YgdGhlCj4gPiBldmVudHMgbGlzdC4KPiA+IAo+ID4gSGVyZSwg d2UgaW5saW5lIGRybV9kZXF1ZXVlX2V2ZW50KCkgaW50byBkcm1fcmVhZCgpIHNvIHRoYXQgd2Ug Y2FuIHRha2UKPiA+IHRoZSBzcGlubG9jayBhcm91bmQgdGhlIGxpc3Qgd2Fsa2luZyBhbmQgZXZl bnQgY29weWluZywgYW5kIGltcG9ydGFudGx5Cj4gPiByZW9yZGVyIHRoZSBlcnJvciBoYW5kbGlu ZyB0byBhdm9pZCB0aGUgaXNzdWVzIGFib3ZlLgo+ID4gCj4gPiBDYzogVGFrYXNoaSBJd2FpIDx0 aXdhaUBzdXNlLmRlPgo+IAo+IFJldmlld2VkLWJ5OiBUYWthc2hpIEl3YWkgPHRpd2FpQHN1c2Uu ZGU+CgpNZXJnZWQgdG8gZHJtLW1pc2Mgd2l0aCB0aGUgdGFnIGZvciB0aGUgZHJtX3JlYWQgdGVz dGNhc2UgYWRkZWQuIFRoYW5rcwpmb3IgdGhlIHBhdGNoJnJlaXZldy4KLURhbmllbAotLSAKRGFu aWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KKzQxICgwKSA3 OSAzNjUgNTcgNDggLSBodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZl bEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=