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    SubjectRe: [PATCH v4 04/11] drivers: base: support cpu cache information interface to userspace via sysfs
    Hi Greg,

    On 03/09/14 18:00, Sudeep Holla wrote:
    > From: Sudeep Holla <sudeep.holla@arm.com>
    >
    > This patch adds initial support for providing processor cache information
    > to userspace through sysfs interface. This is based on already existing
    > implementations(x86, ia64, s390 and powerpc) and hence the interface is
    > intended to be fully compatible.
    >
    > The main purpose of this generic support is to avoid further code
    > duplication to support new architectures and also to unify all the existing
    > different implementations.
    >
    > This implementation maintains the hierarchy of cache objects which reflects
    > the system's cache topology. Cache devices are instantiated as needed as
    > CPUs come online. The cache information is replicated per-cpu even if they are
    > shared. A per-cpu array of cache information maintained is used mainly for
    > sysfs-related book keeping.
    >
    > It also implements the shared_cpu_map attribute, which is essential for
    > enabling both kernel and user-space to discover the system's overall cache
    > topology.
    >
    > This patch also add the missing ABI documentation for the cacheinfo sysfs
    > interface already, which is well defined and widely used.
    >

    Can you review the first 4 patches in this series please ?

    Regards,
    Sudeep



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