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kbuild: whitelist section mismatch in init/main.c

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In init/main.c we have a reference from rest_init() to .init.text
which is intentional.
Rename the function 'init' to 'kernel_init' to make it a
kernel wide unique symbol and whitelist the reference.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2007-02-26 16:45:41 +01:00
parent 85bd2fddd6
commit aae5f662a3
2 changed files with 17 additions and 4 deletions
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15
scripts/mod/modpost.c
View file

@ -589,7 +589,7 @@ static int strrcmp(const char *s, const char *sub)
* the pattern is identified by:
* tosec = .init.text | .exit.text | .init.data
* fromsec = .data
* atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one
* atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one, *_console
*
* Pattern 3:
* Some symbols belong to init section but still it is ok to reference
@ -599,6 +599,14 @@ 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:
* 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
* tosec = .init.text
* fromsec = .text
* atsym = kernel_init
* Some symbols belong to init section but still it is ok to reference
**/
static int secref_whitelist(const char *modname, const char *tosec,
const char *fromsec, const char *atsym,
@ -668,6 +676,11 @@ static int secref_whitelist(const char *modname, const char *tosec,
if (strcmp(refsymname, *s) == 0)
return 1;
}
/* Check for pattern 4 */
if ((strcmp(tosec, ".init.text") == 0) &&
(strcmp(fromsec, ".text") == 0) &&
(strcmp(refsymname, "kernel_init") == 0))
return 1;
return 0;
}