linux-kernel - Re: [PATCH 3/9] cpu/SMT: Store the current/max number of threads

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Message-ID: <87a5x77yye.ffs@tglx>
Date:   Sun, 11 Jun 2023 00:08:09 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Michael Ellerman <mpe@...erman.id.au>, linux-kernel@...r.kernel.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-arch@...r.kernel.org,
        ldufour@...ux.ibm.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        mingo@...hat.com, x86@...nel.org
Subject: Re: [PATCH 3/9] cpu/SMT: Store the current/max number of threads

On Sat, Jun 10 2023 at 23:26, Thomas Gleixner wrote:
> On Thu, May 25 2023 at 01:56, Michael Ellerman wrote:
>  /*
>   * The decision whether SMT is supported can only be done after the full
>   * CPU identification. Called from architecture code.
>   */
> -void __init cpu_smt_check_topology(void)
> +void __init cpu_smt_set_num_threads(unsigned int max_threads, unsigned int num_threads)
>  {
> -	if (!topology_smt_supported())
> +	if (max_threads == 1)

Which makes topology_smt_supported() redundant, i.e. it can be removed.

Thanks,

        tglx