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: Mon, 15 Feb 2016 15:17:55 +0100 Message-ID: <20160215141755.GG6357@twins.programming.kicks-ass.net> References: <1455539803-13913-1-git-send-email-joonas.lahtinen@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 (unknown [198.137.202.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5C1886E1AE for ; Mon, 15 Feb 2016 14:18:51 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1455539803-13913-1-git-send-email-joonas.lahtinen@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 , Linux kernel development , David Hildenbrand , "Paul E. McKenney" , Ingo Molnar List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBGZWIgMTUsIDIwMTYgYXQgMDI6MzY6NDNQTSArMDIwMCwgSm9vbmFzIExhaHRpbmVu IHdyb3RlOgo+IEluc3RlYWQgb2YgaW1wbGVtZW50aW5nIGEgY3VzdG9tIGxvY2tlZCByZWZlcmVu Y2UgY291bnRpbmcsIHVzZSBsb2NrcmVmLgo+IAo+IEN1cnJlbnQgaW1wbGVtZW50YXRpb24gbGVh ZHMgdG8gYSBkZWFkbG9jayBzcGxhdCBvbiBJbnRlbCBTS0wgcGxhdGZvcm1zCj4gd2hlbiBsb2Nr ZGVwIGRlYnVnZ2luZyBpcyBlbmFibGVkLgo+IAo+IFRoaXMgaXMgZHVlIHRvIGZldyBvZiBDUFVm cmVxIGRyaXZlcnMgKGluY2x1ZGluZyBJbnRlbCBQLXN0YXRlKSBoYXZpbmcgdGhpczsKPiBwb2xp Y3ktPnJ3c2VtIGlzIGxvY2tlZCBkdXJpbmcgZHJpdmVyIGluaXRpYWxpemF0aW9uIGFuZCB0aGUg ZnVuY3Rpb25zIGNhbGxlZAo+IGR1cmluZyBpbml0IHRoYXQgYWN0dWFsbHkgYXBwbHkgQ1BVIGxp bWl0cyB1c2UgZ2V0X29ubGluZV9jcHVzIChiZWNhdXNlIHRoZXkKPiBoYXZlIG90aGVyIGNhbGxp bmcgcGF0aHMgdG9vKSwgd2hpY2ggd2lsbCBicmllZmx5IGxvY2sgY3B1X2hvdHBsdWcubG9jayB0 bwo+IGluY3JlYXNlIGNwdV9ob3RwbHVnLnJlZmNvdW50Lgo+IAo+IE9uIGxhdGVyIGNhbGxpbmcg cGF0aCwgd2hlbiBkb2luZyBhIHN1c3BlbmQsIHdoZW4gY3B1X2hvdHBsdWdfYmVnaW4oKSBpcyBj YWxsZWQKPiBpbiBkaXNhYmxlX25vbmJvb3RfY3B1cygpLCBjYWxsYmFja3MgdG8gQ1BVZnJlcSBm dW5jdGlvbnMgZ2V0IGNhbGxlZCBhZnRlciwKPiB3aGljaCB3aWxsIGxvY2sgcG9saWN5LT5yd3Nl bSBhbmQgY3B1X2hvdHBsdWcubG9jayBpcyBhbHJlYWR5IGhlbGQgYnkKPiBjcHVfaG90cGx1Z19i ZWdpbigpIGFuZCB3ZSBkbyBoYXZlIGEgcG90ZW50aWFsIGRlYWRsb2NrIHNjZW5hcmlvIHJlcG9y dGVkIGJ5Cj4gb3VyIENJIHN5c3RlbSAodGhvdWdoIGl0IGlzIGEgdmVyeSB1bmxpa2VseSBvbmUp LiBTZWUgdGhlIEJ1Z3ppbGxhIGxpbmsgZm9yIG1vcmUKPiBkZXRhaWxzLgoKSSd2ZSBiZWVuIG1l YW5pbmcgdG8gY2hhbmdlIHRoZSB0aGluZyBpbnRvIGEgcGVyY3B1LXJ3c2VtLCBJIGp1c3QKaGF2 ZW4ndCBoYWQgdGltZSB0byBsb29rIGludG8gdGhlIGxvY2tkZXAgc3BsYXQgdGhhdCBnZW5lcmF0 ZWQuCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=