From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 03:04:41 +0000
Subject: [PATCH] rk3568 rt init
---
kernel/include/linux/percpu.h | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/kernel/include/linux/percpu.h b/kernel/include/linux/percpu.h
index 70b7123..24421bf 100644
--- a/kernel/include/linux/percpu.h
+++ b/kernel/include/linux/percpu.h
@@ -19,6 +19,35 @@
#define PERCPU_MODULE_RESERVE 0
#endif
+#ifdef CONFIG_PREEMPT_RT_FULL
+
+#define get_local_var(var) (*({ \
+ migrate_disable(); \
+ this_cpu_ptr(&var); }))
+
+#define put_local_var(var) do { \
+ (void)&(var); \
+ migrate_enable(); \
+} while (0)
+
+# define get_local_ptr(var) ({ \
+ migrate_disable(); \
+ this_cpu_ptr(var); })
+
+# define put_local_ptr(var) do { \
+ (void)(var); \
+ migrate_enable(); \
+} while (0)
+
+#else
+
+#define get_local_var(var) get_cpu_var(var)
+#define put_local_var(var) put_cpu_var(var)
+#define get_local_ptr(var) get_cpu_ptr(var)
+#define put_local_ptr(var) put_cpu_ptr(var)
+
+#endif
+
/* minimum unit size, also is the maximum supported allocation size */
#define PCPU_MIN_UNIT_SIZE PFN_ALIGN(32 << 10)
--
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