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: Tue, 16 Feb 2016 10:14:40 +0100 Message-ID: <20160216091440.GT6357@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> 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 97B866E75C for ; Tue, 16 Feb 2016 09:14:47 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1455612576.4977.11.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 , Linux kernel development , David Hildenbrand , "Paul E. McKenney" , Ingo Molnar List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBGZWIgMTYsIDIwMTYgYXQgMTA6NDk6MzZBTSArMDIwMCwgSm9vbmFzIExhaHRpbmVu IHdyb3RlOgo+IEkgb3JpZ2luYWxseSB0aG91Z2h0IG9mIGltcGxlbWVudGluZyB0aGlzIG1vcmUg c2ltaWxhciB0byB3aGF0IHlvdQo+IHNwZWNpZnksIGJ1dCB0aGVuIEkgY2FtZSBhY3Jvc3MgYSBk aXNjdXNzaW9uIGluIHRoZSBtYWlsaW5nIGxpc3Qgd2hlcmUKPiBpdCB3YXMgTkFLZWQgYWRkaW5n IG1vcmUgbWVtYmVycyB0byB0YXNrX3N0cnVjdDsKPiAKPiBodHRwOi8vY29tbWVudHMuZ21hbmUu b3JnL2dtYW5lLmxpbnV4Lmtlcm5lbC85NzAyNzMKPiAKPiBBZGRpbmcgcHJvcGVyIHJlY3Vyc2lv biAodGhlIHdheSBteSBpbml0aWFsIGltcGxlbWVudGF0aW9uIHdhcyBnb2luZykKPiBnb3QgdWds eSB3aXRob3V0IG1vZGlmeWluZyB0YXNrX3N0cnVjdCBiZWNhdXNlwqBnZXRfb25saW5lX2NwdXMo KSBpcyBhCj4gc3BlZWQgY3JpdGljYWwgY29kZSBwYXRoLgoKWWVhaCwganVzdCBkb24ndCBsZXQg TGludXMgaGVhciB5b3Ugc2F5IHRoYXQuIGdldF9vbmxpbmVfY3B1cygpIGlzIF9ub3RfCmNvbnNp ZGVyZWQgcGVyZm9ybWFuY2UgY3JpdGljYWwuCgo+IFNvIEknbSBhbGwgZm9yIGZpeGluZyB0aGUg Y3VycmVudCBjb2RlIGluIGEgZGlmZmVyZW50IHdheSBpZiB0aGF0IHdpbGwKPiB0aGVuIGJlIG1l cmdlZC4KClNvIEknbSBub3Qgc3VyZSB3aHkgeW91J3JlIHBva2luZyBhdCB0aGlzIGhvcnJvciBz aG93IHRvIGJlZ2luIHdpdGguCklTVFIgeW91IG1lbnRpb25pbmcgYSBsb2NrZGVwIHNwbGF0IGZv ciBTS0wsIGJ1dCBmYWlsZWQgdG8gcHJvdmlkZQpkZXRhaWwuCgpNYWtpbmcgdGhlIGhvdHBsdWcg bG9jayBfbW9yZV8gc3BlY2lhbCB0byBmaXggdGhhdCBpcyBqdXN0IHdyb25nLiBGaXgKdGhlIHJl dGFyZGVkIGxvY2tpbmcgdGhhdCBsZWFkIHRvIGl0LgoKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4 QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=