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-rw-r--r--include/linux/efi.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 726673e98990..952c1659dfd9 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -48,8 +48,10 @@ typedef u16 efi_char16_t; /* UNICODE character */
typedef u64 efi_physical_addr_t;
typedef void *efi_handle_t;
-#ifdef CONFIG_X86_64
+#if defined(CONFIG_X86_64)
#define __efiapi __attribute__((ms_abi))
+#elif defined(CONFIG_X86_32)
+#define __efiapi __attribute__((regparm(0)))
#else
#define __efiapi
#endif