linux-kernel - Re: [PATCH RFC 10/22] drivers: base: Move cpu_dev_init() after node_dev

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Message-ID: <095c2d24-735b-4ce2-ba2e-9ec2164f2237@redhat.com>
Date:   Mon, 13 Nov 2023 10:58:46 +1000
From:   Gavin Shan <gshan@...hat.com>
To:     "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
        linux-pm@...r.kernel.org, loongarch@...ts.linux.dev,
        linux-acpi@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, kvmarm@...ts.linux.dev,
        x86@...nel.org, linux-csky@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-parisc@...r.kernel.org
Cc:     Salil Mehta <salil.mehta@...wei.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        jianyong.wu@....com, justin.he@....com,
        James Morse <james.morse@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH RFC 10/22] drivers: base: Move cpu_dev_init() after
 node_dev_init()



On 11/7/23 20:30, Russell King (Oracle) wrote:
> From: James Morse <james.morse@....com>
> 
> NUMA systems require the node descriptions to be ready before CPUs are
> registered. This is so that the node symlinks can be created in sysfs.
> 
> Currently no NUMA platform uses GENERIC_CPU_DEVICES, meaning that CPUs
> are registered by arch code, instead of cpu_dev_init().
> 
> Move cpu_dev_init() after node_dev_init() so that NUMA architectures
> can use GENERIC_CPU_DEVICES.
> 
> Signed-off-by: James Morse <james.morse@....com>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> ---
> Note: Jonathan's comment still needs addressing - see
>    https://lore.kernel.org/r/20230914121612.00006ac7@Huawei.com
> ---
>   drivers/base/init.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 

With Jonathan's comments addressed:

Reviewed-by: Gavin Shan <gshan@...hat.com>