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| author |   Sam Ravnborg <sam@ravnborg.org> | 2007-02-27 09:14:58 +0100 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2007-05-02 20:58:08 +0200 |
| commit | 5a4910fbbeef14cc91daa41086449a1a4acebc96 (patch) | |
| tree | d81c13661f886b960712cdfd11f97a95a81d5922 /scripts | |
| parent | kbuild: fix segmentation fault in modpost (diff) | |
| download | linux-dev-5a4910fbbeef14cc91daa41086449a1a4acebc96.tar.xz linux-dev-5a4910fbbeef14cc91daa41086449a1a4acebc96.zip | |
kbuild: whitelist logo references from .text to .init.data
drivers/video/logo has references from .text to .init.data
but function is only used during early init.
So reference is OK and we do not want to warn about them =>
whitelist the reference.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/mod/modpost.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 281abb77e033..5f2ecd51bde3 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -616,6 +616,15 @@ static int strrcmp(const char *s, const char *sub) * fromsec = .text * atsym = kernel_init * Some symbols belong to init section but still it is ok to reference + * + * Pattern 7: + * Logos used in drivers/video/logo reside in __initdata but the + * funtion that references them are EXPORT_SYMBOL() so cannot be + * marker __init. So we whitelist them here. + * The pattern is: + * tosec = .init.data + * fromsec = .text* + * refsymname = logo_ **/ static int secref_whitelist(const char *modname, const char *tosec, const char *fromsec, const char *atsym, @@ -687,6 +696,12 @@ static int secref_whitelist(const char *modname, const char *tosec, (strcmp(fromsec, ".text") == 0) && (strcmp(refsymname, "kernel_init") == 0)) return 1; + + /* Check for pattern 7 */ + if ((strcmp(tosec, ".init.data") == 0) && + (strncmp(fromsec, ".text", strlen(".text")) == 0) && + (strncmp(refsymname, "logo_", strlen("logo_")) == 0)) + return 1; return 0; } |