diff options
Diffstat (limited to 'scripts/mod/modpost.c')
-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) | |||
592 | * atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one, *_console | 592 | * atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one, *_console |
593 | * | 593 | * |
594 | * Pattern 3: | 594 | * Pattern 3: |
595 | * Whitelist all references from .pci_fixup* section to .init.text | ||
596 | * This is part of the PCI init when built-in | ||
597 | * | ||
598 | * Pattern 4: | ||
599 | * Whitelist all refereces from .text.head to .init.data | ||
600 | * Whitelist all refereces from .text.head to .init.text | ||
601 | * | ||
602 | * Pattern 5: | ||
595 | * Some symbols belong to init section but still it is ok to reference | 603 | * Some symbols belong to init section but still it is ok to reference |
596 | * these from non-init sections as these symbols don't have any memory | 604 | * these from non-init sections as these symbols don't have any memory |
597 | * allocated for them and symbol address and value are same. So even | 605 | * 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) | |||
599 | * For ex. symbols marking the init section boundaries. | 607 | * For ex. symbols marking the init section boundaries. |
600 | * This pattern is identified by | 608 | * This pattern is identified by |
601 | * refsymname = __init_begin, _sinittext, _einittext | 609 | * refsymname = __init_begin, _sinittext, _einittext |
602 | * Pattern 4: | 610 | * |
611 | * Pattern 6: | ||
603 | * During the early init phase we have references from .init.text to | 612 | * During the early init phase we have references from .init.text to |
604 | * .text we have an intended section mismatch - do not warn about it. | 613 | * .text we have an intended section mismatch - do not warn about it. |
605 | * See kernel_init() in init/main.c | 614 | * See kernel_init() in init/main.c |
@@ -657,26 +666,23 @@ static int secref_whitelist(const char *modname, const char *tosec, | |||
657 | if (f1 && f2) | 666 | if (f1 && f2) |
658 | return 1; | 667 | return 1; |
659 | 668 | ||
660 | /* Whitelist all references from .pci_fixup section if vmlinux | 669 | /* Check for pattern 3 */ |
661 | * Whitelist all refereces from .text.head to .init.data if vmlinux | 670 | if ((strncmp(fromsec, ".pci_fixup", strlen(".pci_fixup")) == 0) && |
662 | * Whitelist all refereces from .text.head to .init.text if vmlinux | 671 | (strcmp(tosec, ".init.text") == 0)) |
663 | */ | 672 | return 1; |
664 | if (is_vmlinux(modname)) { | ||
665 | if ((strcmp(fromsec, ".pci_fixup") == 0) && | ||
666 | (strcmp(tosec, ".init.text") == 0)) | ||
667 | return 1; | ||
668 | |||
669 | if ((strcmp(fromsec, ".text.head") == 0) && | ||
670 | ((strcmp(tosec, ".init.data") == 0) || | ||
671 | (strcmp(tosec, ".init.text") == 0))) | ||
672 | return 1; | ||
673 | 673 | ||
674 | /* Check for pattern 3 */ | ||
675 | for (s = pat3refsym; *s; s++) | ||
676 | if (strcmp(refsymname, *s) == 0) | ||
677 | return 1; | ||
678 | } | ||
679 | /* Check for pattern 4 */ | 674 | /* Check for pattern 4 */ |
675 | if ((strcmp(fromsec, ".text.head") == 0) && | ||
676 | ((strcmp(tosec, ".init.data") == 0) || | ||
677 | (strcmp(tosec, ".init.text") == 0))) | ||
678 | return 1; | ||
679 | |||
680 | /* Check for pattern 5 */ | ||
681 | for (s = pat3refsym; *s; s++) | ||
682 | if (strcmp(refsymname, *s) == 0) | ||
683 | return 1; | ||
684 | |||
685 | /* Check for pattern 6 */ | ||
680 | if ((strcmp(tosec, ".init.text") == 0) && | 686 | if ((strcmp(tosec, ".init.text") == 0) && |
681 | (strcmp(fromsec, ".text") == 0) && | 687 | (strcmp(fromsec, ".text") == 0) && |
682 | (strcmp(refsymname, "kernel_init") == 0)) | 688 | (strcmp(refsymname, "kernel_init") == 0)) |