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From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     linux-arch <linux-arch@vger.kernel.org>,
        linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2 REPOST] asm-generic: Conditionally enable
 do_softirq_own_stack() via Kconfig.
Message-ID: <YxmOMxxeC/h7L1EW@linutronix.de>
References: <Ywcx4QBdYNIBLJiy@linutronix.de>
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On 2022-08-25 10:25:06 [+0200], To Arnd Bergmann wrote:
> Remove the CONFIG_PREEMPT_RT symbol from the ifdef around
> do_softirq_own_stack() and move it to Kconfig instead.
>=20
> Enable softirq stacks based on SOFTIRQ_ON_OWN_STACK which depends on
> HAVE_SOFTIRQ_ON_OWN_STACK and its default value is set to !PREEMPT_RT.
> This ensures that softirq stacks are not used on PREEMPT_RT and avoids
> a 'select' statement on an option which has a 'depends' statement.
>=20
> Link: https://lore.kernel.org/YvN5E%2FPrHfUhggr7@linutronix.de
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> ---
>=20
> Arnd, could you please route it via your tree?=20
>=20
> v1=E2=80=A6v2:
>    - Use "def_bool HAVE_SOFTIRQ_ON_OWN_STACK && !PREEMPT_RT"

a gentle *ping*

Sebastian