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From: Kim Phillips <kim.phillips@amd.com>
To: Usama Arif <usama.arif@bytedance.com>,
	dwmw2@infradead.org, tglx@linutronix.de
Cc: arjan@linux.intel.com, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, hpa@zytor.com, x86@kernel.org,
	pbonzini@redhat.com, paulmck@kernel.org,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	rcu@vger.kernel.org, mimoja@mimoja.de, hewenliang4@huawei.com,
	thomas.lendacky@amd.com, seanjc@google.com,
	pmenzel@molgen.mpg.de, fam.zheng@bytedance.com,
	punit.agrawal@bytedance.com, simon.evans@bytedance.com,
	liangma@liangbit.com, David Woodhouse <dwmw@amazon.co.uk>
Subject: Re: [PATCH v9 1/8] x86/apic/x2apic: Allow CPU cluster_mask to be populated in parallel
Date: Thu, 16 Feb 2023 14:58:10 -0600	[thread overview]
Message-ID: <cc106460-01b5-abfb-8856-6d65ee7bb866@amd.com> (raw)
In-Reply-To: <20230215145425.420125-2-usama.arif@bytedance.com>

On 2/15/23 8:54 AM, Usama Arif wrote:
> -
> -	cluster_hotplug_mask = kzalloc_node(sizeof(*cluster_hotplug_mask),
> -					    GFP_KERNEL, node);
> -	if (!cluster_hotplug_mask)
> -		return -ENOMEM;
> -	cluster_hotplug_mask->node = node;
> -	return 0;
> +	/*
> +	 * No CPU in the cluster has ever been initialized, so fall through to
> +	 * the boot time code which will also populate the cluster mask for any
> +	 * other CPU in the cluster which is (now) present.
> +	 */
> + alloc:
> +	cmsk = kzalloc_node(sizeof(*cmsk), GFP_KERNEL, node);
> +	if (!cmsk)
> + 		return -ENOMEM;

.git/rebase-apply/patch:167: space before tab in indent.
  		return -ENOMEM;

> +	per_cpu(cluster_masks, cpu) = cmsk;
> +	prefill_clustermask(cmsk, cpu, cluster);
> +
> + 	return 0;

.git/rebase-apply/patch:171: space before tab in indent.
  	return 0;
warning: 2 lines add whitespace errors.

Other than that:

Tested-by: Kim Phillips <kim.phillips@amd.com>

Thanks,

Kim

  reply	other threads:[~2023-02-16 20:58 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-15 14:54 [PATCH v9 0/8] Parallel CPU bringup for x86_64 Usama Arif
2023-02-15 14:54 ` [PATCH v9 1/8] x86/apic/x2apic: Allow CPU cluster_mask to be populated in parallel Usama Arif
2023-02-16 20:58   ` Kim Phillips [this message]
2023-02-15 14:54 ` [PATCH v9 2/8] cpu/hotplug: Move idle_thread_get() to <linux/smpboot.h> Usama Arif
2023-02-15 14:54 ` [PATCH v9 3/8] cpu/hotplug: Add dynamic parallel bringup states before CPUHP_BRINGUP_CPU Usama Arif
2023-02-15 14:54 ` [PATCH v9 4/8] x86/smpboot: Reference count on smpboot_setup_warm_reset_vector() Usama Arif
2023-02-15 14:54 ` [PATCH v9 5/8] x86/smpboot: Split up native_cpu_up into separate phases and document them Usama Arif
2023-02-15 14:54 ` [PATCH v9 6/8] x86/smpboot: Support parallel startup of secondary CPUs Usama Arif
2023-02-15 14:54 ` [PATCH v9 7/8] x86/smpboot: Send INIT/SIPI/SIPI to secondary CPUs in parallel Usama Arif
2023-02-15 14:54 ` [PATCH v9 8/8] x86/smpboot: Serialize topology updates for secondary bringup Usama Arif
2023-02-16  6:34 ` [PATCH v9 0/8] Parallel CPU bringup for x86_64 Paul E. McKenney
2023-02-20 16:08 ` Oleksandr Natalenko
2023-02-20 16:20   ` David Woodhouse
2023-02-20 16:40     ` Oleksandr Natalenko
2023-02-20 20:31       ` David Woodhouse
2023-02-20 21:23         ` Oleksandr Natalenko
2023-02-20 21:34           ` Piotr Gorski
2023-02-20 21:39           ` David Woodhouse
2023-02-20 23:23             ` Kim Phillips
2023-02-20 23:30               ` David Woodhouse
2023-02-21  4:20                 ` Kim Phillips
2023-02-21  7:16                   ` David Woodhouse
2023-02-21  7:27                 ` Oleksandr Natalenko
2023-02-21  7:53                   ` David Woodhouse
2023-02-21  8:05                     ` Oleksandr Natalenko
2023-02-21  8:17                       ` David Woodhouse
2023-02-21  8:25                         ` Oleksandr Natalenko
2023-02-21  8:35                           ` David Woodhouse
2023-02-21  8:44                             ` Oleksandr Natalenko
2023-02-21  9:06                               ` David Woodhouse
2023-02-21  9:49                                 ` Oleksandr Natalenko
2023-02-21 10:27                                   ` David Woodhouse
2023-02-21 10:47                                     ` [External] " Usama Arif
2023-02-21 11:42                                       ` Oleksandr Natalenko
2023-02-21 11:54                                         ` Usama Arif
2023-02-21 13:22                                           ` David Woodhouse
2023-02-21 11:46                                     ` Oleksandr Natalenko
2023-02-21 11:49                                       ` David Woodhouse
2023-02-21 12:14                                         ` Oleksandr Natalenko
2023-02-21 19:10                                           ` David Woodhouse
2023-02-21 20:04                                             ` [External] " Usama Arif
2023-02-21 21:04                                               ` Oleksandr Natalenko
2023-02-21 21:41                                             ` Thomas Gleixner
2023-02-21 21:44                                               ` David Woodhouse
2023-02-21 23:18                                               ` David Woodhouse
2023-02-22  0:00                                                 ` [External] " Usama Arif
2023-02-22  8:19                                                   ` David Woodhouse
2023-02-22  9:46                                                     ` Thomas Gleixner
2023-02-22  9:51                                                       ` David Woodhouse
2023-02-22  9:31                                                 ` Thomas Gleixner
2023-02-20 22:22           ` Piotr Gorski
2023-02-20 22:23           ` [External] " Usama Arif
2023-02-20 22:41             ` Oleksandr Natalenko
2023-02-22 10:11 ` David Woodhouse
2023-02-22 11:11   ` [External] " Usama Arif
2023-02-22 12:08   ` Brian Gerst
2023-02-22 12:53     ` David Woodhouse
2023-02-22 16:42   ` Thomas Gleixner
2023-02-23 11:07     ` David Woodhouse
2023-02-23 14:37       ` Thomas Gleixner
2023-02-23 15:12         ` David Woodhouse
2023-02-23 19:24       ` [External] " Usama Arif

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