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Diffstat (limited to 'arch/loongarch/include/asm/percpu.h')
-rw-r--r--arch/loongarch/include/asm/percpu.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/percpu.h b/arch/loongarch/include/asm/percpu.h
index 0bd6b0110198..ad8d88494554 100644
--- a/arch/loongarch/include/asm/percpu.h
+++ b/arch/loongarch/include/asm/percpu.h
@@ -8,6 +8,15 @@
#include <asm/cmpxchg.h>
#include <asm/loongarch.h>
+/*
+ * The "address" (in fact, offset from $r21) of a per-CPU variable is close to
+ * the loading address of main kernel image, but far from where the modules are
+ * loaded. Tell the compiler this fact when using explicit relocs.
+ */
+#if defined(MODULE) && defined(CONFIG_AS_HAS_EXPLICIT_RELOCS)
+#define PER_CPU_ATTRIBUTES __attribute__((model("extreme")))
+#endif
+
/* Use r21 for fast access */
register unsigned long __my_cpu_offset __asm__("$r21");