Messages in this thread | | | Date | Fri, 7 Feb 2014 11:29:25 -0800 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH RFC/RFT v2 1/8] drivers: base: support cpu cache information interface to userspace via sysfs |
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On Fri, Feb 07, 2014 at 04:49:16PM +0000, 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 objects are instantiated as needed as > CPUs come online. The cache objects are replicated per-cpu even if they are > shared. A per-cpu array of cache information maintained is used mainly for > sysfs-related book keeping.
I thought I asked that you not use "raw" kobjects for this, instead using 'struct device' or just an attribute group?
Using a kobject means that userspace tools that use libudev have no chance to see these attributes at all, which is not good, right?
thanks,
greg k-h
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