linux-kernel - Re: [RFC PATCH] arm64/sve,sme: Refine scalable regset sizes at boot

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Date: Wed, 7 Feb 2024 12:25:23 +0000
From: Dave Martin <Dave.Martin@....com>
To: Mark Brown <broonie@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, Will Deacon <will@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Oleg Nesterov <oleg@...hat.com>, Al Viro <viro@...iv.linux.org.uk>,
	linux-kernel@...r.kernel.org, Doug Anderson <dianders@...omium.org>
Subject: Re: [RFC PATCH] arm64/sve,sme: Refine scalable regset sizes at boot

On Tue, Feb 06, 2024 at 11:07:23AM +0000, Mark Brown wrote:
> On Mon, Feb 05, 2024 at 05:27:20PM +0000, Dave Martin wrote:
> 
> > --- a/arch/arm64/kernel/ptrace.c
> > +++ b/arch/arm64/kernel/ptrace.c
> > @@ -9,6 +9,7 @@
> >   */
> >  
> >  #include <linux/audit.h>
> > +#include <linux/cache.h>
> >  #include <linux/compat.h>
> >  #include <linux/kernel.h>
> >  #include <linux/sched/signal.h>
> 
> Why?

include/linux/cache.h:#define __ro_after_init

(Yes, I was a bit surprised too, but that's where it is.)

Cheers
---Dave