From f6f0c9a74a48448583c3cb0f3f067bc3fe0f13c6 Mon Sep 17 00:00:00 2001 From: Huacai Chen Date: Thu, 29 Jun 2023 20:58:43 +0800 Subject: LoongArch: Add SMT (Simultaneous Multi-Threading) support Loongson-3A6000 has SMT (Simultaneous Multi-Threading) support, each physical core has two logical cores (threads). This patch add SMT probe and scheduler support via ACPI PPTT. If SCHED_SMT enabled, Loongson-3A6000 is treated as 4 cores, 8 threads; If SCHED_SMT disabled, Loongson-3A6000 is treated as 8 cores, 8 threads. Remove smp_num_siblings to support HMP (Heterogeneous Multi-Processing). Signed-off-by: Liupu Wang Signed-off-by: Huacai Chen --- drivers/acpi/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/acpi') diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index ccbeab9500ec..00dd309b6682 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -542,10 +542,10 @@ config ACPI_PFRUT if ARM64 source "drivers/acpi/arm64/Kconfig" +endif config ACPI_PPTT bool -endif config ACPI_PCC bool "ACPI PCC Address Space" -- cgit v1.2.3