lkml.org 
[lkml]   [2022]   [Jun]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 11/12] MIPS: Report cluster in /proc/cpuinfo
On Wed, 25 May 2022 13:10:29 +0100,
Dragan Mladjenovic <Dragan.Mladjenovic@syrmia.com> wrote:
>
> From: Paul Burton <paulburton@kernel.org>
>
> When >= CM3.5 output cluster number.
>
> Signed-off-by: Paul Burton <paulburton@kernel.org>
> Signed-off-by: Dragan Mladjenovic <dragan.mladjenovic@syrmia.com>
>
> diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
> index bb43bf850314..a66e7705315d 100644
> --- a/arch/mips/kernel/proc.c
> +++ b/arch/mips/kernel/proc.c
> @@ -12,6 +12,7 @@
> #include <asm/cpu.h>
> #include <asm/cpu-features.h>
> #include <asm/idle.h>
> +#include <asm/mips-cps.h>
> #include <asm/mipsregs.h>
> #include <asm/processor.h>
> #include <asm/prom.h>
> @@ -282,6 +283,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
> seq_printf(m, "kscratch registers\t: %d\n",
> hweight8(cpu_data[n].kscratch_mask));
> seq_printf(m, "package\t\t\t: %d\n", cpu_data[n].package);
> + if (mips_cm_revision() >= CM_REV_CM3_5)
> + seq_printf(m, "cluster\t\t\t: %d\n", cpu_cluster(&cpu_data[n]));
> seq_printf(m, "core\t\t\t: %d\n", cpu_core(&cpu_data[n]));
>
> #if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6)

This will break userspace. Please don't do that.

M.

--
Without deviation from the norm, progress is not possible.

\
 
 \ /
  Last update: 2022-06-06 15:17    [W:0.176 / U:1.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site