linux-kernel - Re: [RESEND][PATCH v2 0/9] x86: remove cpu_**

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

Message-ID: <2959468.ToTK2pDZvV@vostro.rjw.lan>
Date:	Tue, 19 May 2015 13:56:18 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Bartosz Golaszewski <bgolaszewski@...libre.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Jean Delvare <jdelvare@...e.de>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Benoit Cousson <bcousson@...libre.com>,
	Jonathan Corbet <corbet@....net>,
	Oleg Drokin <oleg.drokin@...el.com>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>
Subject: Re: [RESEND][PATCH v2 0/9] x86: remove cpu_**_mask() functions

On Tuesday, May 19, 2015 10:19:04 AM Bartosz Golaszewski wrote:
> Two functions defined in asm/smp.h: cpu_sibling_mask() and cpu_core_mask(),
> have the same functionality as macros defined in linux/topology.h:
> topology_thread_cpumask() and topology_core_cpumask() respectively.
> 
> They are not documented and are architecture specific. Also: different
> naming for the same functionality (in case of cpu_sibling_mask() and
> topology_thread_cpumask()) is a bit misleading.
> 
> This series makes all the callers switch to using the topology.h macros
> and removes their smp.h counterparts. While we're at it: rename
> topology_thread_cpumask() to topology_sibling_cpumask() to be
> consistent with the term used in the scheduler.
> 
> The same duplication exists on powerpc.
> 
> NOTE: patch 2/9 had been already submitted separately but didn't
> receive any attention, so I'm attaching it to this series.
> 
> v2:
> - renamed topology_thread_cpumask() to topology_sibling_cpumask()
> - updated Documentation/cputopology.txt
> 
> v1:
> https://lkml.org/lkml/2015/4/30/188
> 
> Bartosz Golaszewski (9):
>   topology: rename topology_thread_cpumask()
>   Documentation: update cputopology.txt
>   coretemp: replace cpu_sibling_mask() with topology_sibling_cpumask()
>   powernow-k8: replace cpu_core_mask() with topology_core_cpumask()
>   p4-clockmod: replace cpu_sibling_mask() with topology_sibling_cpumask()
>   acpi-cpufreq: replace cpu_**_mask() with topology_**_cpumask()
>   speedstep-ich: replace cpu_sibling_mask() with topology_sibling_cpumask()
>   x86: replace cpu_**_mask() with topology_**_cpumask()
>   x86: remove cpu_sibling_mask() and cpu_core_mask()
> 
>  Documentation/cputopology.txt                      | 37 +++++++++++++------
>  arch/arm/include/asm/topology.h                    |  2 +-
>  arch/arm64/include/asm/topology.h                  |  2 +-
>  arch/ia64/include/asm/topology.h                   |  2 +-
>  arch/mips/include/asm/topology.h                   |  2 +-
>  arch/powerpc/include/asm/topology.h                |  2 +-
>  arch/powerpc/mm/tlb_nohash.c                       |  2 +-
>  arch/s390/include/asm/topology.h                   |  3 +-
>  arch/sparc/include/asm/topology_64.h               |  2 +-
>  arch/tile/include/asm/topology.h                   |  2 +-
>  arch/x86/include/asm/smp.h                         | 10 ------
>  arch/x86/include/asm/topology.h                    |  2 +-
>  arch/x86/kernel/cpu/perf_event_intel.c             |  6 ++--
>  arch/x86/kernel/cpu/proc.c                         |  3 +-
>  arch/x86/kernel/smpboot.c                          | 42 +++++++++++-----------
>  arch/x86/kernel/tsc_sync.c                         |  2 +-
>  block/blk-mq-cpumap.c                              |  2 +-
>  drivers/acpi/acpi_pad.c                            |  2 +-
>  drivers/base/topology.c                            |  2 +-
>  drivers/cpufreq/acpi-cpufreq.c                     |  5 +--
>  drivers/cpufreq/p4-clockmod.c                      |  2 +-
>  drivers/cpufreq/powernow-k8.c                      | 13 ++-----
>  drivers/cpufreq/speedstep-ich.c                    |  2 +-
>  drivers/hwmon/coretemp.c                           |  3 +-
>  drivers/net/ethernet/sfc/efx.c                     |  2 +-
>  .../staging/lustre/lustre/libcfs/linux/linux-cpu.c |  2 +-
>  drivers/staging/lustre/lustre/ptlrpc/service.c     |  4 +--
>  include/linux/topology.h                           |  6 ++--
>  lib/cpu_rmap.c                                     |  2 +-
>  29 files changed, 87 insertions(+), 81 deletions(-)

Please feel free to add an ACK from me to the cpufreq-related ones.


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/