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Diffstat (limited to 'arch/arm64/kernel/image-vars.h')
-rw-r--r--arch/arm64/kernel/image-vars.h59
1 files changed, 31 insertions, 28 deletions
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index 241c86b67d01..afa69e04e75e 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -10,11 +10,8 @@
#error This file should only be included in vmlinux.lds.S
#endif
-#ifdef CONFIG_EFI
-
-__efistub_kernel_size = _edata - _text;
-__efistub_primary_entry_offset = primary_entry - _text;
-
+PROVIDE(__efistub_kernel_size = _edata - _text);
+PROVIDE(__efistub_primary_entry_offset = primary_entry - _text);
/*
* The EFI stub has its own symbol namespace prefixed by __efistub_, to
@@ -25,31 +22,37 @@ __efistub_primary_entry_offset = primary_entry - _text;
* linked at. The routines below are all implemented in assembler in a
* position independent manner
*/
-__efistub_memcmp = __pi_memcmp;
-__efistub_memchr = __pi_memchr;
-__efistub_memcpy = __pi_memcpy;
-__efistub_memmove = __pi_memmove;
-__efistub_memset = __pi_memset;
-__efistub_strlen = __pi_strlen;
-__efistub_strnlen = __pi_strnlen;
-__efistub_strcmp = __pi_strcmp;
-__efistub_strncmp = __pi_strncmp;
-__efistub_strrchr = __pi_strrchr;
-__efistub_dcache_clean_poc = __pi_dcache_clean_poc;
-
-#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
-__efistub___memcpy = __pi_memcpy;
-__efistub___memmove = __pi_memmove;
-__efistub___memset = __pi_memset;
-#endif
+PROVIDE(__efistub_memcmp = __pi_memcmp);
+PROVIDE(__efistub_memchr = __pi_memchr);
+PROVIDE(__efistub_memcpy = __pi_memcpy);
+PROVIDE(__efistub_memmove = __pi_memmove);
+PROVIDE(__efistub_memset = __pi_memset);
+PROVIDE(__efistub_strlen = __pi_strlen);
+PROVIDE(__efistub_strnlen = __pi_strnlen);
+PROVIDE(__efistub_strcmp = __pi_strcmp);
+PROVIDE(__efistub_strncmp = __pi_strncmp);
+PROVIDE(__efistub_strrchr = __pi_strrchr);
+PROVIDE(__efistub_dcache_clean_poc = __pi_dcache_clean_poc);
+
+PROVIDE(__efistub__text = _text);
+PROVIDE(__efistub__end = _end);
+PROVIDE(__efistub__edata = _edata);
+PROVIDE(__efistub_screen_info = screen_info);
+PROVIDE(__efistub__ctype = _ctype);
-__efistub__text = _text;
-__efistub__end = _end;
-__efistub__edata = _edata;
-__efistub_screen_info = screen_info;
-__efistub__ctype = _ctype;
+/*
+ * The __ prefixed memcpy/memset/memmove symbols are provided by KASAN, which
+ * instruments the conventional ones. Therefore, any references from the EFI
+ * stub or other position independent, low level C code should be redirected to
+ * the non-instrumented versions as well.
+ */
+PROVIDE(__efistub___memcpy = __pi_memcpy);
+PROVIDE(__efistub___memmove = __pi_memmove);
+PROVIDE(__efistub___memset = __pi_memset);
-#endif
+PROVIDE(__pi___memcpy = __pi_memcpy);
+PROVIDE(__pi___memmove = __pi_memmove);
+PROVIDE(__pi___memset = __pi_memset);
#ifdef CONFIG_KVM