Re: [PATCH] arch/*: Disable softirq stacks on PREEMPT_RT.

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To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH] arch/*: Disable softirq stacks on PREEMPT_RT.
From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Wed, 15 Jun 2022 17:41:45 +0200
Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>, linux-arch <linux-arch@xxxxxxxxxxxxxxx>, Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, Parisc List <linux-parisc@xxxxxxxxxxxxxxx>, linux-s390 <linux-s390@xxxxxxxxxxxxxxx>, Linux-sh list <linux-sh@xxxxxxxxxxxxxxx>, linuxppc-dev <linuxppc-dev@xxxxxxxxxxxxxxxx>, sparclinux <sparclinux@xxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Rich Felker <dalias@xxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Sven Schnelle <svens@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxx>
In-reply-to: <YqmC1aAm+O7RD2IH@infradead.org>
References: <YqjQ5kso7czrmYPW@linutronix.de> <YqmC1aAm+O7RD2IH@infradead.org>

On Wed, Jun 15, 2022 at 8:57 AM Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
>
> On Tue, Jun 14, 2022 at 08:18:14PM +0200, Sebastian Andrzej Siewior wrote:
> > Disable the unused softirqs stacks on PREEMPT_RT to safe some memory and
>
> s/safe/save/


Applied to the asm-generic tree with the above fixup, thanks!

      Arnd

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References:
- [PATCH] arch/*: Disable softirq stacks on PREEMPT_RT.
  - From: Sebastian Andrzej Siewior
- Re: [PATCH] arch/*: Disable softirq stacks on PREEMPT_RT.
  - From: Christoph Hellwig

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