From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCH] [RFC] kernel/cpu: Use lockref for online CPU reference counting Date: Wed, 17 Feb 2016 15:20:05 +0100 Message-ID: <20160217142005.GD6357@twins.programming.kicks-ass.net> References: <1455539803-13913-1-git-send-email-joonas.lahtinen@linux.intel.com> <20160215141755.GG6357@twins.programming.kicks-ass.net> <20160215170618.GL6375@twins.programming.kicks-ass.net> <1455612576.4977.11.camel@linux.intel.com> <20160216091440.GT6357@twins.programming.kicks-ass.net> <1455619863.4977.29.camel@linux.intel.com> <20160216110732.GU6357@twins.programming.kicks-ass.net> <1455713251.5622.9.camel@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 81C276E9B9 for ; Wed, 17 Feb 2016 14:20:19 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1455713251.5622.9.camel@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Joonas Lahtinen Cc: "Gautham R. Shenoy" , Intel graphics driver community testing & development , Oleg Nesterov , Linux kernel development , David Hildenbrand , "Paul E. McKenney" , Ingo Molnar List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBGZWIgMTcsIDIwMTYgYXQgMDI6NDc6MzFQTSArMDIwMCwgSm9vbmFzIExhaHRpbmVu IHdyb3RlOgo+IE9uIHRpLCAyMDE2LTAyLTE2IGF0IDEyOjA3ICswMTAwLCBQZXRlciBaaWpsc3Ry YSB3cm90ZToKPiA+IE9uIFR1ZSwgRmViIDE2LCAyMDE2IGF0IDEyOjUxOjAzUE0gKzAyMDAsIEpv b25hcyBMYWh0aW5lbiB3cm90ZToKPiA+ID4gUXVvdGluZyBteSBvcmlnaW5hbCBwYXRjaDsKPiA+ ID4gCj4gPiA+ICJTZWUgdGhlIEJ1Z3ppbGxhIGxpbmsgZm9yIG1vcmUgZGV0YWlscy4KPiA+IAo+ ID4gSWYgaXRzIG5vdCBpbiB0aGUgQ2hhbmdlbG9nIGl0IGRvZXNuJ3QgZXhpc3QuIFBhdGNoZXMg c2hvdWxkIGJlIHNlbGYKPiA+IGNvbnRhaW5lZCBhbmQgbm90IHJlZmVyIHRvIGV4dGVybmFsIHNv dXJjZXMgZm9yIGNyaXRpY2FsIGluZm9ybWF0aW9uLgo+IAo+IFRoZSBleGFjdCBsb2NraW5nIGNh c2UgaW4gQ1BVZnJlcSBkcml2ZXJzIGNhdXNpbmcgYSBzcGxhdCBpcyBkZXNjcmliZWQKPiBpbiB0 aGUgcGF0Y2guIERldGFpbHMgd2VyZSBhbHJlYWR5IGluY2x1ZGVkLCB0aGF0J3Mgd2h5IHRlcm0g Im1vcmUKPiBkZXRhaWxzIiB3YXMgdXNlZC4KCkJhcmVseS4gV2hhdCB3YXMgbm90IGRlc2NyaWJl ZCB3YXMgd2h5IHlvdSB3ZW50IHRvIHRpbmtlciB3aXRoIHRoZQpob3RwbHVnIGxvY2sgaW5zdGVh ZCBvZiBzYW5pdGl6aW5nIGNwdWZyZXEuIE5vciB3aHkgeW91ciBjaG9zZW4gc29sdXRpb24KaXMg Z29vZC4KCj4gVGhpcyBpcyBub3QgZXhhY3RseSB0YWtpbmcgdXMgY2xvc2VyIHRvIGEgZml4LCAK CldoeSB5b3UgdGhpbmsgd2UgY2FuIGRpc2N1c3MgZml4ZXMgaWYgeW91J3ZlIG5vdCBhY3R1YWxs eSBkZXNjcmliZWQgeW91cgpwcm9ibGVtIGlzIGJleW9uZCBtZS4KCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0Cklu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK