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Date:   Wed, 15 Jun 2022 13:28:00 -0700
From:   Kees Cook <keescook@chromium.org>
To:     Nathan Chancellor <nathan@kernel.org>
Cc:     Stephen Rothwell <sfr@canb.auug.org.au>,
        "Paul E. McKenney" <paulmck@kernel.org>,
        Frederic Weisbecker <frederic@kernel.org>,
        Sami Tolvanen <samitolvanen@google.com>, llvm@lists.linux.dev,
        linux-kernel@vger.kernel.org, linux-next@vger.kernel.org
Subject: Re: Contextual conflict between kspp and rcu trees
Message-ID: <202206151326.E34CDE453@keescook>
References: <Yqo5SequJuC2qX6S@dev-arch.thelio-3990X>
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On Wed, Jun 15, 2022 at 12:55:53PM -0700, Nathan Chancellor wrote:
> Per the above RCU commit and commit 6c5218715286 ("context_tracking:
> Take IRQ eqs entrypoints over RCU"), it appears that the following diff
> is the proper fix up. Would you mind applying it to the merge of
> whichever tree comes second if possible? I did build and boot test it
> but it would not be a bad idea for Sami and Frederic to verify that it
> is correct so that Kees/Paul can mention it to Linus :)

Actually, the CFI fix (and a few others) are meant to be sent for
-rc3, so if the ct_irq_enter() change is in -next, this can maybe get
sorted out?

-- 
Kees Cook