From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wols Lists Subject: Re: Triggering WARN_ON_ONCE in drivers/md/md.c::set_in_sync() Date: Wed, 26 Jul 2017 11:40:16 +0100 Message-ID: <59787190.1000802@youngman.org.uk> References: <1e68d380-762c-fbb4-73f9-842bd0fa7093@gentoo.org> <20170725221325.z6ozo6vmos3edwse@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170725221325.z6ozo6vmos3edwse@kernel.org> Sender: linux-raid-owner@vger.kernel.org To: Shaohua Li , Joshua Kinard , neilb@suse.com Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 25/07/17 23:13, Shaohua Li wrote: > Interesting is if I disable CONFIG_SMP, there are several bugs exposed, I can't > even boot my machine. Looks nobody tests UP case these days. That's not good :-( Although I doubt there are many single-core machines left these days, gentoo would almost certainly disable it even today if appropriate. Although I can't imagine anyone running gentoo on a single-core now :-) My old Thunderbird K8 based system used to struggle before I retired it a few years back ... Cheers, Wol