From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AB8JxZoMnl5VoLAIVilKeZhyC2gqq1HXuZy/tqfxBwMyCQ+dIKmTrWFPTE8CgHuh9yAk9Dsc9kuV ARC-Seal: i=1; a=rsa-sha256; t=1525102703; cv=none; d=google.com; s=arc-20160816; b=o36t97zeUSJ+4Cdac9SveN7WkvQzL3B9cCDQtL3fQeSXQHRIXmCv3OI7D8tCEnnQO8 OFe5vg4G1qDEsOGlbwVdfQQmxhEuT+xIShV6nfubEgkqp3D5bohu3eQ1yfu0Qw0zYl8I usgKI2m3/71Ky0mU6RRO076+kNexQY2BndVJ7EpTyFGfChc0RjBpS1t523BkKnNuGXyR 5NhV53uMKSntjNf0JvYEVM0eWsok+4BYBQMFlX5oeFJzxVC3VxvQCfUidBCFApIj95Tn d2KgWunTCDKp9dz5YMrBKrBVB8EkONrc3gFF6QoccEHivk2j5jOMvpuxrN3E2tu/xexM VO/w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:date:content-id:mime-version:subject:cc:to:references :in-reply-to:from:organization:arc-authentication-results; bh=b/7zVbEK/29ZMr9M/Ri7K0CoWHshTmTW86XWj1JLH8E=; b=OOsnb+kAt5PtkBFjQdn+mVb5kP3VjlrIrmfgP1Tju+zO1694DCyOZpEyjWMluqsqgT srGgzy+RiHBYe9/ZSitdkbDPhgY5HZelRx68OBEuqy6eb3Z38K2NAPa/8H8klpK8MGo0 pkffq6dkfc9B+wQIxasCR0kun5SGk1eNV+V3jLXPnsGhUOJ1YRs/w/RW1ZN0wsKT2Qjj DiVEYg3bsLPrJtzxHcEylWcpiHSJXXuVW2gFmHs5Bu1fud4bAqzhj8WZrLK90mns9BVQ V+C5FnjJKm2ANTa4ymeM7ZdovrlffBSpIOhaL0EXtJTE3jvucAZ99292B/VTExhpzF5x Mnbg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of dhowells@redhat.com designates 66.187.233.73 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of dhowells@redhat.com designates 66.187.233.73 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20180425154827.32251-1-hch@lst.de> References: <20180425154827.32251-1-hch@lst.de> To: Christoph Hellwig Cc: dhowells@redhat.com, Andrew Morton , Alexander Viro , linux-rtc@vger.kernel.org, Alessandro Zummo , Alexandre Belloni , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, Greg Kroah-Hartman , jfs-discussion@lists.sourceforge.net, linux-afs@lists.infradead.org, linux-acpi@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, Jiri Slaby , linux-ext4@vger.kernel.org, Alexey Dobriyan , megaraidlinux.pdl@broadcom.com, drbd-dev@lists.linbit.com Subject: Re: simplify procfs code for seq_file instances V2 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <15621.1525102698.1@warthog.procyon.org.uk> Date: Mon, 30 Apr 2018 16:38:18 +0100 Message-ID: <15622.1525102698@warthog.procyon.org.uk> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1598733748805898460?= X-GMAIL-MSGID: =?utf-8?q?1599186092584524528?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Note that your kernel hits the: inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. swapper/0/0 [HC1[1]:SC0[0]:HE0:SE1] takes: (ptrval) (fs_reclaim){?.+.}, at: fs_reclaim_acquire+0x12/0x35 {HARDIRQ-ON-W} state was registered at: fs_reclaim_acquire+0x32/0x35 kmem_cache_alloc_node_trace+0x49/0x2cf alloc_worker+0x1d/0x49 init_rescuer.part.7+0x19/0x8f workqueue_init+0xc0/0x1fe kernel_init_freeable+0xdc/0x433 kernel_init+0xa/0xf5 ret_from_fork+0x24/0x30 bug, as described here: https://groups.google.com/forum/#!msg/syzkaller-bugs/sJC3Y3hOM08/aO3z9JXoAgAJ David