Re: Is the kernel for sun4m SMP capable ?

To: Dennis Clarke <dclarke%blastwave.org@localhost>
Subject: Re: Is the kernel for sun4m SMP capable ?
From: Jason Thorpe <thorpej%me.com@localhost>
Date: Tue, 20 Jan 2026 18:11:18 -0800


> On Jan 20, 2026, at 5:04 PM, Dennis Clarke <dclarke%blastwave.org@localhost> wrote:
> 
> 
> On a dual CPU old Sun SPARCStation 20 it seems to be only using one CPU.
> 
> If any one process is running at 100% CPU utilization then the entire
> machine reports 0% idle. However there are two CPUs in there.

Use GENERIC.MP; looks like the standard GENERIC doesn’t have MULTIPROCESSOR (and other associated options for it) enabled.

-- thorpej

Follow-Ups:
- re: Is the kernel for sun4m SMP capable ?
  - From: matthew green
- Re: Is the kernel for sun4m SMP capable ?
  - From: Nobuyoshi SATO

References:
- Is the kernel for sun4m SMP capable ?
  - From: Dennis Clarke

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