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Date: Mon, 4 Dec 2017 23:39:27 +0100
From: Borislav Petkov <bp@suse.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>, x86@kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andy Lutomirsky <luto@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
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        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
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        Eduardo Valentin <eduval@amazon.com>, aliguori@amazon.com,
        Will Deacon <will.deacon@arm.com>, daniel.gruss@iaik.tugraz.at
Subject: Re: [patch 26/60] x86/cpufeature: Make cpu bugs sticky
Message-ID: <20171204223927.xpfjf3mg22cowham@pd.tnic>
References: <20171204140706.296109558@linutronix.de>
 <20171204150606.992156574@linutronix.de>
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On Mon, Dec 04, 2017 at 03:07:32PM +0100, Thomas Gleixner wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
> 
> There is currently no way to force CPU bug bits like CPU feature bits. That
> makes it impossible to set a bug bit once at boot and have it stick for all
> upcoming CPUs.
> 
> Extend the force set/clear arrays to handle bug bits as well.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> 
> ---
>  arch/x86/include/asm/cpufeature.h |    2 ++
>  arch/x86/include/asm/processor.h  |    4 ++--
>  arch/x86/kernel/cpu/common.c      |    6 +++---
>  3 files changed, 7 insertions(+), 5 deletions(-)

This whole area needs more work... well, later...

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--