diff options
Diffstat (limited to 'scripts/mod')
| -rw-r--r-- | scripts/mod/modpost.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index be0827f734c2..e1f2b31cf34b 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -592,6 +592,14 @@ static int strrcmp(const char *s, const char *sub) * atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one, *_console * * Pattern 3: + * Whitelist all references from .pci_fixup* section to .init.text + * This is part of the PCI init when built-in + * + * Pattern 4: + * Whitelist all refereces from .text.head to .init.data + * Whitelist all refereces from .text.head to .init.text + * + * Pattern 5: * Some symbols belong to init section but still it is ok to reference * these from non-init sections as these symbols don't have any memory * allocated for them and symbol address and value are same. So even @@ -599,7 +607,8 @@ static int strrcmp(const char *s, const char *sub) * For ex. symbols marking the init section boundaries. * This pattern is identified by * refsymname = __init_begin, _sinittext, _einittext - * Pattern 4: + * + * Pattern 6: * During the early init phase we have references from .init.text to * .text we have an intended section mismatch - do not warn about it. * See kernel_init() in init/main.c @@ -657,26 +666,23 @@ static int secref_whitelist(const char *modname, const char *tosec, if (f1 && f2) return 1; - /* Whitelist all references from .pci_fixup section if vmlinux - * Whitelist all refereces from .text.head to .init.data if vmlinux - * Whitelist all refereces from .text.head to .init.text if vmlinux - */ - if (is_vmlinux(modname)) { - if ((strcmp(fromsec, ".pci_fixup") == 0) && - (strcmp(tosec, ".init.text") == 0)) - return 1; - - if ((strcmp(fromsec, ".text.head") == 0) && - ((strcmp(tosec, ".init.data") == 0) || - (strcmp(tosec, ".init.text") == 0))) - return 1; + /* Check for pattern 3 */ + if ((strncmp(fromsec, ".pci_fixup", strlen(".pci_fixup")) == 0) && + (strcmp(tosec, ".init.text") == 0)) + return 1; - /* Check for pattern 3 */ - for (s = pat3refsym; *s; s++) - if (strcmp(refsymname, *s) == 0) - return 1; - } /* Check for pattern 4 */ + if ((strcmp(fromsec, ".text.head") == 0) && + ((strcmp(tosec, ".init.data") == 0) || + (strcmp(tosec, ".init.text") == 0))) + return 1; + + /* Check for pattern 5 */ + for (s = pat3refsym; *s; s++) + if (strcmp(refsymname, *s) == 0) + return 1; + + /* Check for pattern 6 */ if ((strcmp(tosec, ".init.text") == 0) && (strcmp(fromsec, ".text") == 0) && (strcmp(refsymname, "kernel_init") == 0)) |