From: Thomas Gleixner <tglx@linutronix.de>
To: Michael Ellerman <mpe@ellerman.id.au>, linux-kernel@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org, linux-arch@vger.kernel.org,
ldufour@linux.ibm.com, bp@alien8.de, dave.hansen@linux.intel.com,
mingo@redhat.com, x86@kernel.org
Subject: Re: [PATCH 3/9] cpu/SMT: Store the current/max number of threads
Date: Sun, 11 Jun 2023 00:08:09 +0200 [thread overview]
Message-ID: <87a5x77yye.ffs@tglx> (raw)
In-Reply-To: <87fs6z80w5.ffs@tglx>
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
next prev parent reply other threads:[~2023-06-10 22:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-24 15:56 [PATCH 1/9] cpu/SMT: Move SMT prototypes into cpu_smt.h Michael Ellerman
2023-05-24 15:56 ` [PATCH 2/9] cpu/SMT: Move smt/control simple exit cases earlier Michael Ellerman
2023-05-24 15:56 ` [PATCH 3/9] cpu/SMT: Store the current/max number of threads Michael Ellerman
2023-06-10 21:26 ` Thomas Gleixner
2023-06-10 22:08 ` Thomas Gleixner [this message]
2023-06-13 17:16 ` Laurent Dufour
2023-06-13 18:53 ` Thomas Gleixner
2023-06-14 12:27 ` Laurent Dufour
2023-05-24 15:56 ` [PATCH 4/9] cpu/SMT: Create topology_smt_threads_supported() Michael Ellerman
2023-06-10 22:15 ` Thomas Gleixner
2023-05-24 15:56 ` [PATCH 5/9] cpu/SMT: Create topology_smt_thread_allowed() Michael Ellerman
2023-06-10 22:35 ` Thomas Gleixner
2023-05-24 15:56 ` [PATCH 6/9] cpu/SMT: Allow enabling partial SMT states via sysfs Michael Ellerman
2023-06-10 20:09 ` Thomas Gleixner
2023-06-10 20:13 ` Thomas Gleixner
2023-05-24 15:56 ` [PATCH 7/9] powerpc/pseries: Initialise CPU hotplug callbacks earlier Michael Ellerman
2023-05-24 15:56 ` [PATCH 8/9] powerpc: Add HOTPLUG_SMT support Michael Ellerman
2023-06-01 13:27 ` Laurent Dufour
2023-06-01 16:19 ` Laurent Dufour
2023-06-10 21:10 ` Thomas Gleixner
2023-06-12 15:20 ` Laurent Dufour
2023-06-12 16:34 ` Thomas Gleixner
2023-05-24 15:56 ` [PATCH 9/9] powerpc/pseries: Honour current SMT state when DLPAR onlining CPUs Michael Ellerman
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