[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <8c3ca6c7-fa5f-4f45-b36d-1c7d9d94c918@redhat.com>
Date: Fri, 1 Dec 2023 14:47:11 +1100
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>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>
Subject: Re: [PATCH 08/21] drivers: base: Implement weak arch_unregister_cpu()
On 11/22/23 00:44, Russell King (Oracle) wrote:
> From: James Morse <james.morse@....com>
>
> Add arch_unregister_cpu() to allow the ACPI machinery to call
> unregister_cpu(). This is enough for arm64, riscv and loongarch, but
> needs to be overridden by x86 and ia64 who need to do more work.
>
> CC: Jean-Philippe Brucker <jean-philippe@...aro.org>
> Signed-off-by: James Morse <james.morse@....com>
> Reviewed-by: Shaoqin Huang <shahuang@...hat.com>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> ---
> An open question remains from the RFC v2 posting: should we provide a
> __weak stub for !HOTPLUG_CPU as well, since in later patches ACPI may
> reference this if the compiler doesn't optimise as we expect?
>
> Changes since v1:
> * Added CONFIG_HOTPLUG_CPU ifdeffery around unregister_cpu
> Changes since RFC v2:
> * Move earlier in the series
> ---
> drivers/base/cpu.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
Reviewed-by: Gavin Shan <gshan@...hat.com>
Powered by blists - more mailing lists