Re: [RFC PATCH 2/3] Implement sysfs based cpuinfo for x86 cpus.

[Greg KH <gregkh@linuxfoundation.org>]

On Thu, Jun 08, 2017 at 06:56:14PM +0200, Felix Schnizlein wrote:
> A few entries have been omitted, due to already existing information in
> sysfs:
> 
> - microcode -> /sys/devices/system/cpu/cpu*/microcode/version
> - cache -> /sys/devices/system/cpu/cpu*/cache/index*/size
> - core_id -> /sys/devices/system/cpu/cpu*/topology/core_id
> - siblings -> /sys/devices/system/cpu/cpu*/topology/core_siblings_list
> - pyshical_id -> /sys/devices/system/cpu/cpu*/topology/physical_package_id
> 
> Following attributes have been removed due to obsolete information or
> legacy processors: wp, power management, f00f bug, coma bug, fdiv bug
> 
> Signed-off-by: Thomas Renninger <trenn@suse.com>

???

> ---
>  arch/x86/kernel/Makefile        |   1 +
>  arch/x86/kernel/cpuinfo_sysfs.c | 166 ++++++++++++++++++++++++++++++++++++++++
>  drivers/base/cpuinfo.c          |   4 -
>  3 files changed, 167 insertions(+), 4 deletions(-)
>  create mode 100644 arch/x86/kernel/cpuinfo_sysfs.c
> 
> diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
> index 4b99423..5c689d9 100644
> --- a/arch/x86/kernel/Makefile
> +++ b/arch/x86/kernel/Makefile
> @@ -65,6 +65,7 @@ obj-y				+= step.o
>  obj-$(CONFIG_INTEL_TXT)		+= tboot.o
>  obj-$(CONFIG_ISA_DMA_API)	+= i8237.o
>  obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
> +obj-$(CONFIG_CPUINFO_SYSFS)     += cpuinfo_sysfs.o

Use tabs properly please.