From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755527AbcKOH1d (ORCPT ); Tue, 15 Nov 2016 02:27:33 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:49170 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751803AbcKOH1c (ORCPT ); Tue, 15 Nov 2016 02:27:32 -0500 Date: Tue, 15 Nov 2016 08:27:42 +0100 From: Greg KH To: Peter Zijlstra Cc: keescook@chromium.org, will.deacon@arm.com, elena.reshetova@intel.com, arnd@arndb.de, tglx@linutronix.de, mingo@kernel.org, hpa@zytor.com, dave@progbits.org, linux-kernel@vger.kernel.org Subject: Re: [RFC][PATCH 0/7] kref improvements Message-ID: <20161115072742.GA28248@kroah.com> References: <20161114173946.501528675@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161114173946.501528675@infradead.org> User-Agent: Mutt/1.7.1 (2016-10-04) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 14, 2016 at 06:39:46PM +0100, Peter Zijlstra wrote: > This series unfscks kref and then implements it in terms of refcount_t. > > x86_64-allyesconfig compile tested and boot tested with my regular config. > > refcount_t is as per the previous thread, it BUGs on over-/underflow and > saturates at UINT_MAX, such that if we ever overflow, we'll never free again. > > Thanks so much for doing these, at the very least, I want to take the kref-abuse-fixes now as those users shouldn't be doing those foolish things. Any objection for me taking some of them through my tree now? thanks, greg k-h