From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/fb-helper: Reduce READ_ONCE(master) to lockless_dereference Date: Wed, 22 Jun 2016 10:07:55 +0200 Message-ID: <20160622080755.GL23520@phenom.ffwll.local> References: <1466581572-16608-1-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-lb0-x241.google.com (mail-lb0-x241.google.com [IPv6:2a00:1450:4010:c04::241]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7266F6E1CC for ; Wed, 22 Jun 2016 08:08:00 +0000 (UTC) Received: by mail-lb0-x241.google.com with SMTP id w10so3448225lbo.1 for ; Wed, 22 Jun 2016 01:08:00 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1466581572-16608-1-git-send-email-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 Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Julia Lawall List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBKdW4gMjIsIDIwMTYgYXQgMDg6NDY6MTJBTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFdlIGFyZSBvbmx5IGRvY3VtZW50aW5nIHRoYXQgdGhlIHJlYWQgaXMgb3V0c2lkZSBv ZiB0aGUgbG9jaywgYW5kIGRvIG5vdAo+IHJlcXVpcmUgc3RyaWN0IG9yZGVyaW5nIG9uIHRoZSBv cGVyYXRpb24uIEluIHRoaXMgY2FzZSB0aGUgbW9yZSByZWxheGVkCj4gbG9ja2xlc3NfZGVyZWZl cmVuY2UoKSB3aWxsIHN1ZmZpY2UuCj4gCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxj aHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gQ2M6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0 ZXJAaW50ZWwuY29tPgo+IENjOiBKdWxpYSBMYXdhbGwgPGp1bGlhLmxhd2FsbEBsaXA2LmZyPgo+ IENjOiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiBDYzogRW1pbCBW ZWxpa292IDxlbWlsLmwudmVsaWtvdkBnbWFpbC5jb20+CgpBcHBsaWVkIHRvIGRybS1taXNjLgot RGFuaWVsCgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2hlbHBlci5jIHwgMiArLQo+ ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZm IC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9mYl9oZWxwZXIuYyBiL2RyaXZlcnMvZ3B1L2Ry bS9kcm1fZmJfaGVscGVyLmMKPiBpbmRleCAwYTA2ZjkxMjBiNWEuLmNlNTRlOTg1ZDkxYiAxMDA2 NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2hlbHBlci5jCj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2RybV9mYl9oZWxwZXIuYwo+IEBAIC00NjQsNyArNDY0LDcgQEAgc3RhdGljIGJv b2wgZHJtX2ZiX2hlbHBlcl9pc19ib3VuZChzdHJ1Y3QgZHJtX2ZiX2hlbHBlciAqZmJfaGVscGVy KQo+ICAKPiAgCS8qIFNvbWV0aW1lcyB1c2VyIHNwYWNlIHdhbnRzIGV2ZXJ5dGhpbmcgZGlzYWJs ZWQsIHNvIGRvbid0IHN0ZWFsIHRoZQo+ICAJICogZGlzcGxheSBpZiB0aGVyZSdzIGEgbWFzdGVy LiAqLwo+IC0JaWYgKFJFQURfT05DRShkZXYtPm1hc3RlcikpCj4gKwlpZiAobG9ja2xlc3NfZGVy ZWZlcmVuY2UoZGV2LT5tYXN0ZXIpKQo+ICAJCXJldHVybiBmYWxzZTsKPiAgCj4gIAlkcm1fZm9y X2VhY2hfY3J0YyhjcnRjLCBkZXYpIHsKPiAtLSAKPiAyLjguMQo+IAo+IF9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dAo+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAoKLS0gCkRhbmllbCBWZXR0ZXIK U29mdHdhcmUgRW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xsLmNo Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdm eCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=