linux-kernel - [PATCH] LoongArch: Support PREEMPT

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Message-Id: <20231030150836.3804372-1-chenhuacai@loongson.cn>
Date:   Mon, 30 Oct 2023 23:08:36 +0800
From:   Huacai Chen <chenhuacai@...ngson.cn>
To:     Arnd Bergmann <arnd@...db.de>, Huacai Chen <chenhuacai@...nel.org>
Cc:     loongarch@...ts.linux.dev, linux-arch@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-kernel@...r.kernel.org, loongson-kernel@...ts.loongnix.cn,
        Huacai Chen <chenhuacai@...ngson.cn>
Subject: [PATCH] LoongArch: Support PREEMPT_DYNAMIC with static keys

Since commit 4e90d0522a688371402c ("riscv: support PREEMPT_DYNAMIC with
static keys"), the infrastructure is complete and we can simply select
HAVE_PREEMPT_DYNAMIC_KEY to enable PREEMPT_DYNAMIC on LoongArch because
we already support static keys.

Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
---
 arch/loongarch/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index d889a0b97bc1..ee123820a476 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -136,6 +136,7 @@ config LOONGARCH
 	select HAVE_PERF_EVENTS
 	select HAVE_PERF_REGS
 	select HAVE_PERF_USER_STACK_DUMP
+	select HAVE_PREEMPT_DYNAMIC_KEY
 	select HAVE_REGS_AND_STACK_ACCESS_API
 	select HAVE_RETHOOK
 	select HAVE_RSEQ
-- 
2.39.3