From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/include/asm-generic/preempt.h | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/kernel/include/asm-generic/preempt.h b/kernel/include/asm-generic/preempt.h
index c3046c9..ac255e8 100644
--- a/kernel/include/asm-generic/preempt.h
+++ b/kernel/include/asm-generic/preempt.h
@@ -29,7 +29,7 @@
} while (0)
#define init_idle_preempt_count(p, cpu) do { \
- task_thread_info(p)->preempt_count = PREEMPT_ENABLED; \
+ task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \
} while (0)
static __always_inline void set_preempt_need_resched(void)
@@ -78,11 +78,14 @@
tif_need_resched());
}
-#ifdef CONFIG_PREEMPT
+#ifdef CONFIG_PREEMPTION
+#ifdef CONFIG_PREEMPT_RT
+extern void preempt_schedule_lock(void);
+#endif
extern asmlinkage void preempt_schedule(void);
#define __preempt_schedule() preempt_schedule()
extern asmlinkage void preempt_schedule_notrace(void);
#define __preempt_schedule_notrace() preempt_schedule_notrace()
-#endif /* CONFIG_PREEMPT */
+#endif /* CONFIG_PREEMPTION */
#endif /* __ASM_PREEMPT_H */
--
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