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Re: [Qemu-devel] [RFC PATCH v2 2/3] utils: Add cpuinfo helper to fetch /

From: Vijay Kilari
Subject: Re: [Qemu-devel] [RFC PATCH v2 2/3] utils: Add cpuinfo helper to fetch /proc/cpuinfo
Date: Mon, 11 Apr 2016 12:22:30 +0530

Adding Suzuki Poulose.

Hi Suzuki,

On Fri, Apr 8, 2016 at 3:13 PM, Peter Maydell <address@hidden> wrote:
> On 8 April 2016 at 07:21, Vijay Kilari <address@hidden> wrote:
>> On Thu, Apr 7, 2016 at 5:15 PM, Peter Maydell <address@hidden> wrote:
>>> I'm told there are kernel patches in progress to get this sort
>>> of information in a maintainable way to userspace, which are
>>> currently somewhat stalled due to lack of anybody who wants to
>>> consume it. If you have a use case then you should probably
>>> flag it up with the kernel devs.
>> Can you please give references to those patches/discussion?
> I'm told the most recent thread is https://lkml.org/lkml/2015/10/5/517
> (and that most of the patches in that series have gone in, except
> for the last 4 or 5 which implement the ABI).

Can you please throw some light on what is the status of ABI to
read cpu information in user space.
I wanted to know cpu implementer, part number in QEMU utils
to add prefetches to speed up live migration for Thunderx platform.

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