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-rw-r--r--include/asm-generic/vmlinux.lds.h2
-rw-r--r--include/linux/init.h7
2 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 729f6b0..9cd44b1 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -359,6 +359,8 @@
}
#define INITCALLS \
+ *(.initcallearly.init) \
+ __early_initcall_end = .; \
*(.initcall0.init) \
*(.initcall0s.init) \
*(.initcall1.init) \
diff --git a/include/linux/init.h b/include/linux/init.h
index 42ae954..11b84e1 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -170,6 +170,13 @@ extern void (*late_time_init)(void);
__attribute__((__section__(".initcall" level ".init"))) = fn
/*
+ * Early initcalls run before initializing SMP.
+ *
+ * Only for built-in code, not modules.
+ */
+#define early_initcall(fn) __define_initcall("early",fn,early)
+
+/*
* A "pure" initcall has no dependencies on anything else, and purely
* initializes variables that couldn't be statically initialized.
*
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