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SubjectRe: [RFC PATCH 00/11] Hot-plug and Online/Offline framework
On Wed, Dec 12, 2012 at 04:17:12PM -0700, Toshi Kani wrote:
> This patchset is an initial prototype of proposed hot-plug framework
> for design review. The hot-plug framework is designed to provide
> the common framework for hot-plugging and online/offline operations
> of system devices, such as CPU, Memory and Node. While this patchset
> only supports ACPI-based hot-plug operations, the framework itself is
> designed to be platform-neural and can support other FW architectures
> as necessary.
> The patchset has not been fully tested yet, esp. for memory hot-plug.
> Any help for testing will be very appreciated since my test setup
> is limited.
> The patchset is based on the linux-next branch of linux-pm.git tree.
> Overview of the Framework
> =========================


Why all the new framework, doesn't the existing bus infrastructure
provide everything you need here? Shouldn't you just be putting your
cpus and memory sticks on a bus and handle stuff that way? What makes
these types of devices so unique from all other devices that Linux has
been handling in a dynamic manner (i.e. hotplugging them) for many many

Why are you reinventing the wheel?


greg k-h

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