linux-kernel - Re: [PATCH 0/3] x86/paravirt: Fix baremetal paravirt MSR ops

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Message-ID: <20150917152709.GB17766@nazgul.tnic>
Date:	Thu, 17 Sep 2015 17:27:09 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	Ingo Molnar <mingo@...nel.org>, Andy Lutomirski <luto@...nel.org>,
	x86@...nel.org, Peter Zijlstra <peterz@...radead.org>,
	KVM list <kvm@...r.kernel.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	xen-devel <Xen-devel@...ts.xen.org>,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 0/3] x86/paravirt: Fix baremetal paravirt MSR ops

On Thu, Sep 17, 2015 at 01:39:26PM +0200, Paolo Bonzini wrote:
> That's not a big deal, that's what *_safe is for.  The problem is that
> there are definitely some cases where the *_safe version is not being used.

I mean to do feature checks which assure you that those MSRs are
there so you don't need the safe variants. And that is not always
easy/possible.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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