Message-ID: <952135b1fcfdabe40c2cfaf2ef0a5b90ede418fe.camel@gmx.de>
Subject: Re: [PATCH v2 2/5] preempt/dynamic: Introduce preempt mode accessors
From:   Mike Galbraith <efault@gmx.de>
To:     Valentin Schneider <valentin.schneider@arm.com>,
        linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
        linuxppc-dev@lists.ozlabs.org, linux-kbuild@vger.kernel.org
Cc:     Marco Elver <elver@google.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@kernel.org>,
        Frederic Weisbecker <frederic@kernel.org>,
        Dmitry Vyukov <dvyukov@google.com>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Masahiro Yamada <masahiroy@kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        Nick Desaulniers <ndesaulniers@google.com>
Date:   Thu, 11 Nov 2021 04:55:30 +0100
In-Reply-To: <a7febd8825a2ab99bd1999664c6d4aa618b49442.camel@gmx.de>
References: <20211110202448.4054153-1-valentin.schneider@arm.com>
         <20211110202448.4054153-3-valentin.schneider@arm.com>
         <a7c704c2ae77e430d7f0657c5db664f877263830.camel@gmx.de>
         <803a905890530ea1b86db6ac45bd1fd940cf0ac3.camel@gmx.de>
         <a7febd8825a2ab99bd1999664c6d4aa618b49442.camel@gmx.de>
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On Thu, 2021-11-11 at 04:47 +0100, Mike Galbraith wrote:
>
> So I suppose the powerpc spot should remain CONFIG_PREEMPT and become
> CONFIG_PREEMPTION when the RT change gets merged, because that spot is
> about full preemptibility, not a distinct preemption model.

KCSAN needs a little help to be usable by RT, but ditto that spot.

	-Mike