Re: [PATCH v5 4/4] arm64: Kconfig: Enable HOTPLUG_SMT

From: Pierre Gondois
Date: Tue Aug 27 2024 - 11:41:03 EST


Hello Yicong,

Is it necessary to have an explicit dependency over SMP for arm64 ? Cf.
commit 4b3dc9679cf7 ("arm64: force CONFIG_SMP=y and remove redundant #ifdefs")

Regards,
Pierre

On 8/6/24 10:53, Yicong Yang wrote:
From: Yicong Yang <yangyicong@xxxxxxxxxxxxx>

Enable HOTPLUG_SMT for SMT control.

Signed-off-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
---
arch/arm64/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index a2f8ff354ca6..bd3bc2f5e0ec 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -238,6 +238,7 @@ config ARM64
select HAVE_KRETPROBES
select HAVE_GENERIC_VDSO
select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
+ select HOTPLUG_SMT if (SMP && HOTPLUG_CPU)
select IRQ_DOMAIN
select IRQ_FORCED_THREADING
select KASAN_VMALLOC if KASAN