Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32;
Date:   Sat, 16 Sep 2023 13:04:12 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Anders Roxell <anders.roxell@linaro.org>
Cc:     andrey.konovalov@linux.dev, Marco Elver <elver@google.com>,
        Alexander Potapenko <glider@google.com>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Vlastimil Babka <vbabka@suse.cz>, kasan-dev@googlegroups.com,
        Evgenii Stepanov <eugenis@google.com>,
        Oscar Salvador <osalvador@suse.de>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org,
        Andrey Konovalov <andreyknvl@google.com>, 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: <cover.1694625260.git.andreyknvl@google.com>
        <d94caa60d28349ca5a3c709fdb67545d9374e0dc.1694625260.git.andreyknvl@google.com>
        <20230916174334.GA1030024@mutt>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Precedence: bulk

On Sat, 16 Sep 2023 19:43:35 +0200 Anders Roxell <anders.roxell@linaro.org> wrote:

> On 2023-09-13 19:14, andrey.konovalov@linux.dev wrote:
> > From: Andrey Konovalov <andreyknvl@google.com>
> > 
> > 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 <andreyknvl@google.com>
> > 
> 
> 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.