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    SubjectRe: [RFC, 3/7] NUMA hotplug emulator
    On Fri, May 14, 2010 at 10:01:35AM +0800, Wu Fengguang wrote:
    > On Fri, May 14, 2010 at 09:45:35AM +0800, Zheng, Shaohui wrote:
    > > On Thu, May 13, 2010 at 09:55:11AM -0700, Greg KH wrote:
    > > > On Thu, May 13, 2010 at 07:48:35PM +0800, Shaohui Zheng wrote:
    > > > > Userland interface to hotplug-add fake offlined nodes.
    > > >
    > > > Why include 2 copies of the patch in one email?
    > > I always try to attach the patch as attachment, it is the same with the mail
    > > content, I guess it should take convenience when you need to save the patch
    > > to local, it might be a bad habbit, I will be careful when I send patch next time.
    > > thanks for the reminding.
    >
    > Shaohui, git/quilt are great tools for submitting patch series.
    Thanks fengguang, I am the new fish in LKML, so I send the patches manually one by
    one, I will try this tool next time.

    >
    > > >
    > > > > Add a sysfs entry "probe" under /sys/devices/system/node/:
    > > > >
    > > > > - to show all fake offlined nodes:
    > > > > $ cat /sys/devices/system/node/probe
    > > > >
    > > > > - to hotadd a fake offlined node, e.g. nodeid is N:
    > > > > $ echo N > /sys/devices/system/node/probe
    > > >
    > > > As you are trying to add a new sysfs file, please create the matching
    > > > Documentation/ABI/ file as well.
    > >
    > > Agree, We will document it in.
    > >
    > > >
    > > > Also note that sysfs files are "one value per file", which I don't think
    > > > this file follows, right?
    > >
    > > Agree, the cpu/probe interface should write only, and we should create another
    > > file to indicate the hidden nodes, such as cpu/hidden. We will follow this rule
    > > when we send the formal patch.
    >
    > I'd prefer to avoid new interfaces if not absolutely necessary.
    >
    > Thanks,
    > Fengguang

    --
    Thanks & Regards,
    Shaohui



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