From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregkh@linuxfoundation.org (Greg Kroah-Hartman) Date: Wed, 8 Jan 2014 12:26:13 -0800 Subject: [PATCH RFC 1/3] drivers: base: support cpu cache information interface to userspace via sysfs In-Reply-To: <1389209168-17189-2-git-send-email-sudeep.holla@arm.com> References: <1389209168-17189-1-git-send-email-sudeep.holla@arm.com> <1389209168-17189-2-git-send-email-sudeep.holla@arm.com> Message-ID: <20140108202613.GD8417@kroah.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jan 08, 2014 at 07:26:06PM +0000, Sudeep Holla wrote: > From: Sudeep Holla > > 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 > --- > 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. greg k-h