[PATCH RFC 1/3] drivers: base: support cpu cache information interface to userspace via sysfs
gregkh at linuxfoundation.org
Thu Jan 9 07:26:13 EST 2014
On Wed, Jan 08, 2014 at 07:26:06PM +0000, Sudeep Holla wrote:
> From: Sudeep Holla <sudeep.holla at arm.com>
> This patch adds initial support for providing processor cache information
> to userspace through sysfs interface. This is based on x86 implementation
> and hence the interface is intended to be fully compatible.
> A per-cpu array of cache information maintained is used mainly for
> sysfs-related book keeping.
> Signed-off-by: Sudeep Holla <sudeep.holla at arm.com>
> drivers/base/Makefile | 2 +-
> drivers/base/cacheinfo.c | 296 ++++++++++++++++++++++++++++++++++++++++++++++
> include/linux/cacheinfo.h | 43 +++++++
> 3 files changed, 340 insertions(+), 1 deletion(-)
> create mode 100644 drivers/base/cacheinfo.c
> create mode 100644 include/linux/cacheinfo.h
You are creating sysfs files, yet you didn't add Documentation/ABI/
information, which is required. Please fix that.
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