Re: [PATCH RFC 08/22] drivers: base: Implement weak arch_unregister_cpu()

From: Gavin Shan
Date: Sun Nov 12 2023 - 19:46:12 EST



On 11/7/23 20:29, Russell King (Oracle) wrote:
From: James Morse <james.morse@xxxxxxx>

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@xxxxxxxxxx>
Signed-off-by: James Morse <james.morse@xxxxxxx>
---
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@xxxxxxxxxx>