On Wed, Sep 17, 2014 at 06:25:10PM +0100, Sudeep Holla wrote: > Hi Greg, > > On 03/09/14 18:00, Sudeep Holla wrote: > >From: Sudeep Holla <sudeep.holla@xxxxxxx> > > > >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 ? It's in my todo queue, which is really long at the moment due to me going to conferences (at one right now...) Will be working on this soon, thanks for your patience. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
