linux-kernel - Re: [PATCH v5 06/36] cleanup: Basic compatibility with context analysis

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Message-ID: <599729a5-da4c-473a-bd07-4459639c95c7@lucifer.local>
Date: Tue, 27 Jan 2026 10:21:28 +0000
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Marco Elver <elver@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Boqun Feng <boqun.feng@...il.com>,
        Ingo Molnar <mingo@...nel.org>, Will Deacon <will@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Chris Li <sparse@...isli.org>, "Paul E. McKenney" <paulmck@...nel.org>,
        Alexander Potapenko <glider@...gle.com>, Arnd Bergmann <arnd@...db.de>,
        Bart Van Assche <bvanassche@....org>, Christoph Hellwig <hch@....de>,
        Dmitry Vyukov <dvyukov@...gle.com>, Eric Dumazet <edumazet@...gle.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Ian Rogers <irogers@...gle.com>, Jann Horn <jannh@...gle.com>,
        Joel Fernandes <joelagnelf@...dia.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Jonathan Corbet <corbet@....net>,
        Josh Triplett <josh@...htriplett.org>,
        Justin Stitt <justinstitt@...gle.com>, Kees Cook <kees@...nel.org>,
        Kentaro Takeda <takedakn@...data.co.jp>,
        Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Miguel Ojeda <ojeda@...nel.org>, Nathan Chancellor <nathan@...nel.org>,
        Neeraj Upadhyay <neeraj.upadhyay@...nel.org>,
        Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Thomas Gleixner <tglx@...utronix.de>, Thomas Graf <tgraf@...g.ch>,
        Uladzislau Rezki <urezki@...il.com>, Waiman Long <longman@...hat.com>,
        kasan-dev@...glegroups.com, linux-crypto@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-security-module@...r.kernel.org, linux-sparse@...r.kernel.org,
        linux-wireless@...r.kernel.org, llvm@...ts.linux.dev,
        rcu@...r.kernel.org, Sidhartha Kumar <sidhartha.kumar@...cle.com>
Subject: Re: [PATCH v5 06/36] cleanup: Basic compatibility with context
 analysis

On Tue, Jan 27, 2026 at 11:17:24AM +0100, Marco Elver wrote:
> On Tue, 27 Jan 2026 at 11:14, Lorenzo Stoakes
> <lorenzo.stoakes@...cle.com> wrote:
> >
> > +cc Sid for awareness
> >
> > Hi,
> >
> > This patch breaks the radix tree and VMA userland tests. The next bots didn't
> > catch it but it seems now they're building the userland VMA tests
> > (e.g. https://lore.kernel.all/202601271308.b8d3fcb6-lkp@intel.com/) but maybe
> > not caught up to the issue this one caused (fails build in tools/testing/vma and
> > tools/testing/radix-tree).
> >
> > Anyway it's a really easy fix, just need to stub out __no_context_analysis in
> > the tools/include copy of compiler_types.h, fix-patch provided below.
> >
> > To avoid bisection hazard it'd be nice if it could be folded into this series
> > before this patch, but if we're too late in the cycle for that I can submit a
> > fix separately.
>
> Thanks, I saw. I have a more complete fix I'm about to send.

Great, thanks!