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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:   Thu, 8 Jun 2017 20:26:36 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Felix Schnizlein <fschnizlein@...e.com>
Cc:     linux-kernel@...r.kernel.org, x86@...r.kernel.org,
        yanmin.zhang@...el.com, trenn@...e.com
Subject: Re: [RFC PATCH 2/3] Implement sysfs based cpuinfo for x86 cpus.

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@...e.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.