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.
Date: Thu, 8 Sep 2022 08:39:47 +0200 [thread overview]
Message-ID: <YxmOMxxeC/h7L1EW@linutronix.de> (raw)
In-Reply-To: <Ywcx4QBdYNIBLJiy@linutronix.de>
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.
>
> 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.
>
> Link: https://lore.kernel.org/YvN5E%2FPrHfUhggr7@linutronix.de
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> ---
>
> Arnd, could you please route it via your tree?
>
> v1…v2:
> - Use "def_bool HAVE_SOFTIRQ_ON_OWN_STACK && !PREEMPT_RT"
a gentle *ping*
Sebastian
prev parent reply other threads:[~2022-09-08 6:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-25 8:25 Sebastian Andrzej Siewior
2022-09-08 6:39 ` Sebastian Andrzej Siewior [this message]
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