From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1866CC2BA1A for ; Sat, 16 Sep 2023 20:05:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235989AbjIPUEh (ORCPT ); Sat, 16 Sep 2023 16:04:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233681AbjIPUET (ORCPT ); Sat, 16 Sep 2023 16:04:19 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F27D1AD for ; Sat, 16 Sep 2023 13:04:14 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 618BFC433C7; Sat, 16 Sep 2023 20:04:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1694894653; bh=bawxczNPnq3Vfgyc+ufnLqCHSJIojqF/0A0qUQ9y1j8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=zLp5UXZ+KHJ/obNuLFg8OsxY+e0pepS0EIR4adFyhEfP+HNeCvIZJGVULoiIJb5n4 SBd94FsYXibZxiBK71pST/Bc7P4FEcau+IuMnlLoqny7sMNJ3IzZvfFzCFws1YY1PR ZCsvfhj5DOhIOgG9VSjOFgrGoD43hlird1jD8QCY= Date: Sat, 16 Sep 2023 13:04:12 -0700 From: Andrew Morton To: Anders Roxell Cc: andrey.konovalov@linux.dev, Marco Elver , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vlastimil Babka , kasan-dev@googlegroups.com, Evgenii Stepanov , Oscar Salvador , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov , arnd@arndb.de, sfr@canb.auug.org.au Subject: Re: [PATCH v2 12/19] lib/stackdepot: use list_head for stack record links Message-Id: <20230916130412.bdd04e5344f80af583332e9d@linux-foundation.org> In-Reply-To: <20230916174334.GA1030024@mutt> References: <20230916174334.GA1030024@mutt> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 16 Sep 2023 19:43:35 +0200 Anders Roxell wrote: > On 2023-09-13 19:14, andrey.konovalov@linux.dev wrote: > > From: Andrey Konovalov > > > > Switch stack_record to use list_head for links in the hash table > > and in the freelist. > > > > This will allow removing entries from the hash table buckets. > > > > This is preparatory patch for implementing the eviction of stack records > > from the stack depot. > > > > Signed-off-by: Andrey Konovalov > > > > Building on an arm64 kernel from linux-next tag next-20230915, and boot > that in QEMU. I see the following kernel panic. > > ... > > The full log can be found [1] and the .config file [2]. I bisected down > to this commit, see the bisect log [3]. > > When reverted these two commits I managed to build and the kernel > booted. > > 47590ecf1166 ("lib/stackdepot: use list_head for stack record links") > 8729f3c26fc2 ("lib/stackdepot: allow users to evict stack traces") Thanks, I have dropped this v2 series.