From 8eee9dbbec4ddbd0c12cb8ed8a22ea8d69521ba4 Mon Sep 17 00:00:00 2001
From: Christian Dietrich <stettberger@dokucode.de>
Date: Fri, 20 Oct 2023 11:27:24 +0200
Subject: [PATCH] linux.config: Use 100 Hz as timer tick rate

As most targets are slow FPGA boards, a high timer tick rate is
problematic as it results in a high interrupt load. This is especially
true for multi-core systems as every core receives HZ many timer
interrupts.
---
 buildroot/board/litex_vexriscv/linux.config | 1 +
 1 file changed, 1 insertion(+)

diff --git a/buildroot/board/litex_vexriscv/linux.config b/buildroot/board/litex_vexriscv/linux.config
index 4121b3c1..c746b090 100644
--- a/buildroot/board/litex_vexriscv/linux.config
+++ b/buildroot/board/litex_vexriscv/linux.config
@@ -14,6 +14,7 @@ CONFIG_STRICT_KERNEL_RWX=n
 CONFIG_EFI=n
 CONFIG_HVC_RISCV_SBI=y
 CONFIG_NONPORTABLE=y
+CONFIG_HZ_100=y
 
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""