From: "Yang, Sheng" <sheng.yang@intel.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>, Avi Kivity <avi@qumranet.com>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC][PATCH 0/2] x86: Add "virt flags"
Date: Tue, 9 Sep 2008 11:32:14 +0800 [thread overview]
Message-ID: <200809091132.14717.sheng.yang@intel.com> (raw)
In-Reply-To: <48C55E0E.2090200@zytor.com>
On Tuesday 09 September 2008 01:17:02 H. Peter Anvin wrote:
> H. Peter Anvin wrote:
> > Ingo Molnar wrote:
> >> hm, i think extending the already existing flags category sounds like
> >> a better solution than the separate virtual CPU flags line in
> >> /proc/cpuinfo. We already have self-invented flag entries (such as
> >> X86_FEATURE_NOPL), and adding more for virtualization would be quite
> >> natural to do, as long as it's reasonably close to the meaning of a
> >> 'CPU feature'.
> >>
> >> Peter, what would be your preference?
> >
> > It probably makes sense to separate these out as a separate word,
> > especially if they come from the hardware in any reasonable way. But
> > yes, adding them to the feature array makes sense.
>
> Just to clarify:
>
> I'm suggesting adding these to the existing feature flags array, in a
> separate binary word.
>
Thanks! I will update the patch to add another category, and merge the array.
--
regards
Yang, Sheng
> -hpa
prev parent reply other threads:[~2008-09-09 3:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-08 10:42 [RFC][PATCH 0/2] x86: Add "virt flags" Sheng Yang
2008-09-08 10:42 ` [PATCH 1/2] x86: Move VMX MSRs to msr-index.h Sheng Yang
2008-09-09 13:47 ` Avi Kivity
2008-09-10 10:44 ` Yang, Sheng
2008-09-10 14:30 ` Avi Kivity
2008-09-11 1:56 ` Yang, Sheng
2008-09-08 10:42 ` [PATCH 2/2] x86: Add "virt flags" in /proc/cpuinfo Sheng Yang
2008-09-08 14:04 ` [RFC][PATCH 0/2] x86: Add "virt flags" Andi Kleen
2008-09-08 14:09 ` Ingo Molnar
2008-09-08 15:30 ` H. Peter Anvin
2008-09-08 17:17 ` H. Peter Anvin
2008-09-09 3:32 ` Yang, Sheng [this message]
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