diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/error-injection.h | 23 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 2 |
2 files changed, 20 insertions, 5 deletions
diff --git a/include/asm-generic/error-injection.h b/include/asm-generic/error-injection.h index 08352c9d9f97..296c65442f00 100644 --- a/include/asm-generic/error-injection.h +++ b/include/asm-generic/error-injection.h @@ -3,17 +3,32 @@ #define _ASM_GENERIC_ERROR_INJECTION_H #if defined(__KERNEL__) && !defined(__ASSEMBLY__) +enum { + EI_ETYPE_NONE, /* Dummy value for undefined case */ + EI_ETYPE_NULL, /* Return NULL if failure */ + EI_ETYPE_ERRNO, /* Return -ERRNO if failure */ + EI_ETYPE_ERRNO_NULL, /* Return -ERRNO or NULL if failure */ +}; + +struct error_injection_entry { + unsigned long addr; + int etype; +}; + #ifdef CONFIG_FUNCTION_ERROR_INJECTION /* * Whitelist ganerating macro. Specify functions which can be * error-injectable using this macro. */ -#define ALLOW_ERROR_INJECTION(fname) \ -static unsigned long __used \ +#define ALLOW_ERROR_INJECTION(fname, _etype) \ +static struct error_injection_entry __used \ __attribute__((__section__("_error_injection_whitelist"))) \ - _eil_addr_##fname = (unsigned long)fname; + _eil_addr_##fname = { \ + .addr = (unsigned long)fname, \ + .etype = EI_ETYPE_##_etype, \ + }; #else -#define ALLOW_ERROR_INJECTION(fname) +#define ALLOW_ERROR_INJECTION(fname, _etype) #endif #endif diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index f2068cca5206..ebe544e048cd 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -137,7 +137,7 @@ #endif #ifdef CONFIG_FUNCTION_ERROR_INJECTION -#define ERROR_INJECT_WHITELIST() . = ALIGN(8); \ +#define ERROR_INJECT_WHITELIST() STRUCT_ALIGN(); \ VMLINUX_SYMBOL(__start_error_injection_whitelist) = .;\ KEEP(*(_error_injection_whitelist)) \ VMLINUX_SYMBOL(__stop_error_injection_whitelist) = .; |